diff --git a/Documentation/devicetree/bindings/spi/spi-samsung.txt b/Documentation/devicetree/bindings/spi/spi-samsung.txt new file mode 100644 index 0000000000000000000000000000000000000000..59bfc4f9feb3df31f57409de986485ca67b7a6c3 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/spi-samsung.txt @@ -0,0 +1,113 @@ +* Samsung SPI Controller + +The Samsung SPI controller is used to interface with various devices such as flash +and display controllers using the SPI communication interface. + +Required SoC Specific Properties: + +- compatible: should be one of the following. + - samsung,s3c2443-spi: for s3c2443, s3c2416 and s3c2450 platforms + - samsung,s3c6410-spi: for s3c6410 platforms + - samsung,s5p6440-spi: for s5p6440 and s5p6450 platforms + - samsung,s5pv210-spi: for s5pv210 and s5pc110 platforms + - samsung,exynos4210-spi: for exynos4 and exynos5 platforms + +- reg: physical base address of the controller and length of memory mapped + region. + +- interrupts: The interrupt number to the cpu. The interrupt specifier format + depends on the interrupt controller. + +- tx-dma-channel: The dma channel specifier for tx operations. The format of + the dma specifier depends on the dma controller. + +- rx-dma-channel: The dma channel specifier for rx operations. The format of + the dma specifier depends on the dma controller. + +Required Board Specific Properties: + +- #address-cells: should be 1. +- #size-cells: should be 0. +- gpios: The gpio specifier for clock, mosi and miso interface lines (in the + order specified). The format of the gpio specifier depends on the gpio + controller. + +Optional Board Specific Properties: + +- samsung,spi-src-clk: If the spi controller includes a internal clock mux to + select the clock source for the spi bus clock, this property can be used to + indicate the clock to be used for driving the spi bus clock. If not specified, + the clock number 0 is used as default. + +- num-cs: Specifies the number of chip select lines supported. If + not specified, the default number of chip select lines is set to 1. + +SPI Controller specific data in SPI slave nodes: + +- The spi slave nodes should provide the following information which is required + by the spi controller. + + - cs-gpio: A gpio specifier that specifies the gpio line used as + the slave select line by the spi controller. The format of the gpio + specifier depends on the gpio controller. + + - samsung,spi-feedback-delay: The sampling phase shift to be applied on the + miso line (to account for any lag in the miso line). The following are the + valid values. + + - 0: No phase shift. + - 1: 90 degree phase shift sampling. + - 2: 180 degree phase shift sampling. + - 3: 270 degree phase shift sampling. + +Aliases: + +- All the SPI controller nodes should be represented in the aliases node using + the following format 'spi{n}' where n is a unique number for the alias. + + +Example: + +- SoC Specific Portion: + + spi_0: spi@12d20000 { + compatible = "samsung,exynos4210-spi"; + reg = <0x12d20000 0x100>; + interrupts = <0 66 0>; + tx-dma-channel = <&pdma0 5>; + rx-dma-channel = <&pdma0 4>; + }; + +- Board Specific Portion: + + spi_0: spi@12d20000 { + #address-cells = <1>; + #size-cells = <0>; + gpios = <&gpa2 4 2 3 0>, + <&gpa2 6 2 3 0>, + <&gpa2 7 2 3 0>; + + w25q80bw@0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "w25x80"; + reg = <0>; + spi-max-frequency = <10000>; + + controller-data { + cs-gpio = <&gpa2 5 1 0 3>; + samsung,spi-feedback-delay = <0>; + }; + + partition@0 { + label = "U-Boot"; + reg = <0x0 0x40000>; + read-only; + }; + + partition@40000 { + label = "Kernel"; + reg = <0x40000 0xc0000>; + }; + }; + }; diff --git a/arch/arm/boot/dts/exynos4210-origen.dts b/arch/arm/boot/dts/exynos4210-origen.dts index b8c476384eef92d8ec7d44eac1d5e275a84e4de1..0c49caa099786b4c247831da4b539da7a32711ab 100644 --- a/arch/arm/boot/dts/exynos4210-origen.dts +++ b/arch/arm/boot/dts/exynos4210-origen.dts @@ -134,4 +134,16 @@ i2c@138D0000 { status = "disabled"; }; + + spi_0: spi@13920000 { + status = "disabled"; + }; + + spi_1: spi@13930000 { + status = "disabled"; + }; + + spi_2: spi@13940000 { + status = "disabled"; + }; }; diff --git a/arch/arm/boot/dts/exynos4210-smdkv310.dts b/arch/arm/boot/dts/exynos4210-smdkv310.dts index 27afc8e535ca69618de7a10c9fabb5a35983f2a4..1beccc8f14ff948c622a6af681141221139ba021 100644 --- a/arch/arm/boot/dts/exynos4210-smdkv310.dts +++ b/arch/arm/boot/dts/exynos4210-smdkv310.dts @@ -179,4 +179,42 @@ i2c@138D0000 { status = "disabled"; }; + + spi_0: spi@13920000 { + status = "disabled"; + }; + + spi_1: spi@13930000 { + status = "disabled"; + }; + + spi_2: spi@13940000 { + gpios = <&gpc1 1 5 3 0>, + <&gpc1 3 5 3 0>, + <&gpc1 4 5 3 0>; + + w25x80@0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "w25x80"; + reg = <0>; + spi-max-frequency = <1000000>; + + controller-data { + cs-gpio = <&gpc1 2 1 0 3>; + samsung,spi-feedback-delay = <0>; + }; + + partition@0 { + label = "U-Boot"; + reg = <0x0 0x40000>; + read-only; + }; + + partition@40000 { + label = "Kernel"; + reg = <0x40000 0xc0000>; + }; + }; + }; }; diff --git a/arch/arm/boot/dts/exynos4210.dtsi b/arch/arm/boot/dts/exynos4210.dtsi index a1dd2ee83753d0740c4d774dd03b556b2614f309..6904d9dfbf28a9d36b4bd189082a859b6da3a52e 100644 --- a/arch/arm/boot/dts/exynos4210.dtsi +++ b/arch/arm/boot/dts/exynos4210.dtsi @@ -25,6 +25,12 @@ compatible = "samsung,exynos4210"; interrupt-parent = <&gic>; + aliases { + spi0 = &spi_0; + spi1 = &spi_1; + spi2 = &spi_2; + }; + gic:interrupt-controller@10490000 { compatible = "arm,cortex-a9-gic"; #interrupt-cells = <3>; @@ -33,6 +39,17 @@ reg = <0x10490000 0x1000>, <0x10480000 0x100>; }; + combiner:interrupt-controller@10440000 { + compatible = "samsung,exynos4210-combiner"; + #interrupt-cells = <2>; + interrupt-controller; + reg = <0x10440000 0x1000>; + interrupts = <0 0 0>, <0 1 0>, <0 2 0>, <0 3 0>, + <0 4 0>, <0 5 0>, <0 6 0>, <0 7 0>, + <0 8 0>, <0 9 0>, <0 10 0>, <0 11 0>, + <0 12 0>, <0 13 0>, <0 14 0>, <0 15 0>; + }; + watchdog@10060000 { compatible = "samsung,s3c2410-wdt"; reg = <0x10060000 0x100>; @@ -147,6 +164,36 @@ interrupts = <0 65 0>; }; + spi_0: spi@13920000 { + compatible = "samsung,exynos4210-spi"; + reg = <0x13920000 0x100>; + interrupts = <0 66 0>; + tx-dma-channel = <&pdma0 7>; + rx-dma-channel = <&pdma0 6>; + #address-cells = <1>; + #size-cells = <0>; + }; + + spi_1: spi@13930000 { + compatible = "samsung,exynos4210-spi"; + reg = <0x13930000 0x100>; + interrupts = <0 67 0>; + tx-dma-channel = <&pdma1 7>; + rx-dma-channel = <&pdma1 6>; + #address-cells = <1>; + #size-cells = <0>; + }; + + spi_2: spi@13940000 { + compatible = "samsung,exynos4210-spi"; + reg = <0x13940000 0x100>; + interrupts = <0 68 0>; + tx-dma-channel = <&pdma0 9>; + rx-dma-channel = <&pdma0 8>; + #address-cells = <1>; + #size-cells = <0>; + }; + amba { #address-cells = <1>; #size-cells = <1>; diff --git a/arch/arm/boot/dts/exynos5250-smdk5250.dts b/arch/arm/boot/dts/exynos5250-smdk5250.dts index 49945cc1bc7df3795b71812c67f98c3ec88e5e72..8a5e348793c765e8caf189004f8c04848378206d 100644 --- a/arch/arm/boot/dts/exynos5250-smdk5250.dts +++ b/arch/arm/boot/dts/exynos5250-smdk5250.dts @@ -71,4 +71,42 @@ i2c@12CD0000 { status = "disabled"; }; + + spi_0: spi@12d20000 { + status = "disabled"; + }; + + spi_1: spi@12d30000 { + gpios = <&gpa2 4 2 3 0>, + <&gpa2 6 2 3 0>, + <&gpa2 7 2 3 0>; + + w25q80bw@0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "w25x80"; + reg = <0>; + spi-max-frequency = <1000000>; + + controller-data { + cs-gpio = <&gpa2 5 1 0 3>; + samsung,spi-feedback-delay = <0>; + }; + + partition@0 { + label = "U-Boot"; + reg = <0x0 0x40000>; + read-only; + }; + + partition@40000 { + label = "Kernel"; + reg = <0x40000 0xc0000>; + }; + }; + }; + + spi_2: spi@12d40000 { + status = "disabled"; + }; }; diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi index 4272b2949228ba2e4ea9d7ebb7bc2285fd9bb19b..a3a2eb2598d73d40634752be0b63a37a3fc1a4e0 100644 --- a/arch/arm/boot/dts/exynos5250.dtsi +++ b/arch/arm/boot/dts/exynos5250.dtsi @@ -23,6 +23,12 @@ compatible = "samsung,exynos5250"; interrupt-parent = <&gic>; + aliases { + spi0 = &spi_0; + spi1 = &spi_1; + spi2 = &spi_2; + }; + gic:interrupt-controller@10481000 { compatible = "arm,cortex-a9-gic"; #interrupt-cells = <3>; @@ -146,6 +152,36 @@ #size-cells = <0>; }; + spi_0: spi@12d20000 { + compatible = "samsung,exynos4210-spi"; + reg = <0x12d20000 0x100>; + interrupts = <0 66 0>; + tx-dma-channel = <&pdma0 5>; + rx-dma-channel = <&pdma0 4>; + #address-cells = <1>; + #size-cells = <0>; + }; + + spi_1: spi@12d30000 { + compatible = "samsung,exynos4210-spi"; + reg = <0x12d30000 0x100>; + interrupts = <0 67 0>; + tx-dma-channel = <&pdma1 5>; + rx-dma-channel = <&pdma1 4>; + #address-cells = <1>; + #size-cells = <0>; + }; + + spi_2: spi@12d40000 { + compatible = "samsung,exynos4210-spi"; + reg = <0x12d40000 0x100>; + interrupts = <0 68 0>; + tx-dma-channel = <&pdma0 7>; + rx-dma-channel = <&pdma0 6>; + #address-cells = <1>; + #size-cells = <0>; + }; + amba { #address-cells = <1>; #size-cells = <1>; diff --git a/arch/arm/mach-exynos/clock-exynos4.c b/arch/arm/mach-exynos/clock-exynos4.c index bcb7db45314599cd975a6ad904d199c881c4e6cf..26fe9de35ecb8ca715f73a4cee3955591b1e2b2a 100644 --- a/arch/arm/mach-exynos/clock-exynos4.c +++ b/arch/arm/mach-exynos/clock-exynos4.c @@ -586,17 +586,17 @@ static struct clk exynos4_init_clocks_off[] = { .ctrlbit = (1 << 13), }, { .name = "spi", - .devname = "s3c64xx-spi.0", + .devname = "exynos4210-spi.0", .enable = exynos4_clk_ip_peril_ctrl, .ctrlbit = (1 << 16), }, { .name = "spi", - .devname = "s3c64xx-spi.1", + .devname = "exynos4210-spi.1", .enable = exynos4_clk_ip_peril_ctrl, .ctrlbit = (1 << 17), }, { .name = "spi", - .devname = "s3c64xx-spi.2", + .devname = "exynos4210-spi.2", .enable = exynos4_clk_ip_peril_ctrl, .ctrlbit = (1 << 18), }, { @@ -1242,40 +1242,67 @@ static struct clksrc_clk exynos4_clk_sclk_mmc3 = { .reg_div = { .reg = EXYNOS4_CLKDIV_FSYS2, .shift = 24, .size = 8 }, }; +static struct clksrc_clk exynos4_clk_mdout_spi0 = { + .clk = { + .name = "mdout_spi", + .devname = "exynos4210-spi.0", + }, + .sources = &exynos4_clkset_group, + .reg_src = { .reg = EXYNOS4_CLKSRC_PERIL1, .shift = 16, .size = 4 }, + .reg_div = { .reg = EXYNOS4_CLKDIV_PERIL1, .shift = 0, .size = 4 }, +}; + +static struct clksrc_clk exynos4_clk_mdout_spi1 = { + .clk = { + .name = "mdout_spi", + .devname = "exynos4210-spi.1", + }, + .sources = &exynos4_clkset_group, + .reg_src = { .reg = EXYNOS4_CLKSRC_PERIL1, .shift = 20, .size = 4 }, + .reg_div = { .reg = EXYNOS4_CLKDIV_PERIL1, .shift = 16, .size = 4 }, +}; + +static struct clksrc_clk exynos4_clk_mdout_spi2 = { + .clk = { + .name = "mdout_spi", + .devname = "exynos4210-spi.2", + }, + .sources = &exynos4_clkset_group, + .reg_src = { .reg = EXYNOS4_CLKSRC_PERIL1, .shift = 24, .size = 4 }, + .reg_div = { .reg = EXYNOS4_CLKDIV_PERIL2, .shift = 0, .size = 4 }, +}; + static struct clksrc_clk exynos4_clk_sclk_spi0 = { .clk = { .name = "sclk_spi", - .devname = "s3c64xx-spi.0", + .devname = "exynos4210-spi.0", + .parent = &exynos4_clk_mdout_spi0.clk, .enable = exynos4_clksrc_mask_peril1_ctrl, .ctrlbit = (1 << 16), }, - .sources = &exynos4_clkset_group, - .reg_src = { .reg = EXYNOS4_CLKSRC_PERIL1, .shift = 16, .size = 4 }, - .reg_div = { .reg = EXYNOS4_CLKDIV_PERIL1, .shift = 0, .size = 4 }, + .reg_div = { .reg = EXYNOS4_CLKDIV_PERIL1, .shift = 8, .size = 8 }, }; static struct clksrc_clk exynos4_clk_sclk_spi1 = { .clk = { .name = "sclk_spi", - .devname = "s3c64xx-spi.1", + .devname = "exynos4210-spi.1", + .parent = &exynos4_clk_mdout_spi1.clk, .enable = exynos4_clksrc_mask_peril1_ctrl, .ctrlbit = (1 << 20), }, - .sources = &exynos4_clkset_group, - .reg_src = { .reg = EXYNOS4_CLKSRC_PERIL1, .shift = 20, .size = 4 }, - .reg_div = { .reg = EXYNOS4_CLKDIV_PERIL1, .shift = 16, .size = 4 }, + .reg_div = { .reg = EXYNOS4_CLKDIV_PERIL1, .shift = 24, .size = 8 }, }; static struct clksrc_clk exynos4_clk_sclk_spi2 = { .clk = { .name = "sclk_spi", - .devname = "s3c64xx-spi.2", + .devname = "exynos4210-spi.2", + .parent = &exynos4_clk_mdout_spi2.clk, .enable = exynos4_clksrc_mask_peril1_ctrl, .ctrlbit = (1 << 24), }, - .sources = &exynos4_clkset_group, - .reg_src = { .reg = EXYNOS4_CLKSRC_PERIL1, .shift = 24, .size = 4 }, - .reg_div = { .reg = EXYNOS4_CLKDIV_PERIL2, .shift = 0, .size = 4 }, + .reg_div = { .reg = EXYNOS4_CLKDIV_PERIL2, .shift = 8, .size = 8 }, }; /* Clock initialization code */ @@ -1331,7 +1358,9 @@ static struct clksrc_clk *exynos4_clksrc_cdev[] = { &exynos4_clk_sclk_spi0, &exynos4_clk_sclk_spi1, &exynos4_clk_sclk_spi2, - + &exynos4_clk_mdout_spi0, + &exynos4_clk_mdout_spi1, + &exynos4_clk_mdout_spi2, }; static struct clk_lookup exynos4_clk_lookup[] = { @@ -1347,9 +1376,9 @@ static struct clk_lookup exynos4_clk_lookup[] = { CLKDEV_INIT("dma-pl330.0", "apb_pclk", &exynos4_clk_pdma0), CLKDEV_INIT("dma-pl330.1", "apb_pclk", &exynos4_clk_pdma1), CLKDEV_INIT("dma-pl330.2", "apb_pclk", &exynos4_clk_mdma1), - CLKDEV_INIT("s3c64xx-spi.0", "spi_busclk0", &exynos4_clk_sclk_spi0.clk), - CLKDEV_INIT("s3c64xx-spi.1", "spi_busclk0", &exynos4_clk_sclk_spi1.clk), - CLKDEV_INIT("s3c64xx-spi.2", "spi_busclk0", &exynos4_clk_sclk_spi2.clk), + CLKDEV_INIT("exynos4210-spi.0", "spi_busclk0", &exynos4_clk_sclk_spi0.clk), + CLKDEV_INIT("exynos4210-spi.1", "spi_busclk0", &exynos4_clk_sclk_spi1.clk), + CLKDEV_INIT("exynos4210-spi.2", "spi_busclk0", &exynos4_clk_sclk_spi2.clk), }; static int xtal_rate; diff --git a/arch/arm/mach-exynos/clock-exynos5.c b/arch/arm/mach-exynos/clock-exynos5.c index fefa336be2b4baf8d841a809766be3bdf9338f83..774533c670667c1a7a8e16986e7ababa841ee48e 100644 --- a/arch/arm/mach-exynos/clock-exynos5.c +++ b/arch/arm/mach-exynos/clock-exynos5.c @@ -131,6 +131,11 @@ static int exynos5_clksrc_mask_peric0_ctrl(struct clk *clk, int enable) return s5p_gatectrl(EXYNOS5_CLKSRC_MASK_PERIC0, clk, enable); } +static int exynos5_clksrc_mask_peric1_ctrl(struct clk *clk, int enable) +{ + return s5p_gatectrl(EXYNOS5_CLKSRC_MASK_PERIC1, clk, enable); +} + static int exynos5_clk_ip_acp_ctrl(struct clk *clk, int enable) { return s5p_gatectrl(EXYNOS5_CLKGATE_IP_ACP, clk, enable); @@ -740,6 +745,24 @@ static struct clk exynos5_init_clocks_off[] = { .parent = &exynos5_clk_aclk_66.clk, .enable = exynos5_clk_ip_peric_ctrl, .ctrlbit = (1 << 14), + }, { + .name = "spi", + .devname = "exynos4210-spi.0", + .parent = &exynos5_clk_aclk_66.clk, + .enable = exynos5_clk_ip_peric_ctrl, + .ctrlbit = (1 << 16), + }, { + .name = "spi", + .devname = "exynos4210-spi.1", + .parent = &exynos5_clk_aclk_66.clk, + .enable = exynos5_clk_ip_peric_ctrl, + .ctrlbit = (1 << 17), + }, { + .name = "spi", + .devname = "exynos4210-spi.2", + .parent = &exynos5_clk_aclk_66.clk, + .enable = exynos5_clk_ip_peric_ctrl, + .ctrlbit = (1 << 18), }, { .name = SYSMMU_CLOCK_NAME, .devname = SYSMMU_CLOCK_DEVNAME(mfc_l, 0), @@ -1034,6 +1057,69 @@ static struct clksrc_clk exynos5_clk_sclk_mmc3 = { .reg_div = { .reg = EXYNOS5_CLKDIV_FSYS2, .shift = 24, .size = 8 }, }; +static struct clksrc_clk exynos5_clk_mdout_spi0 = { + .clk = { + .name = "mdout_spi", + .devname = "exynos4210-spi.0", + }, + .sources = &exynos5_clkset_group, + .reg_src = { .reg = EXYNOS5_CLKSRC_PERIC1, .shift = 16, .size = 4 }, + .reg_div = { .reg = EXYNOS5_CLKDIV_PERIC1, .shift = 0, .size = 4 }, +}; + +static struct clksrc_clk exynos5_clk_mdout_spi1 = { + .clk = { + .name = "mdout_spi", + .devname = "exynos4210-spi.1", + }, + .sources = &exynos5_clkset_group, + .reg_src = { .reg = EXYNOS5_CLKSRC_PERIC1, .shift = 20, .size = 4 }, + .reg_div = { .reg = EXYNOS5_CLKDIV_PERIC1, .shift = 16, .size = 4 }, +}; + +static struct clksrc_clk exynos5_clk_mdout_spi2 = { + .clk = { + .name = "mdout_spi", + .devname = "exynos4210-spi.2", + }, + .sources = &exynos5_clkset_group, + .reg_src = { .reg = EXYNOS5_CLKSRC_PERIC1, .shift = 24, .size = 4 }, + .reg_div = { .reg = EXYNOS5_CLKDIV_PERIC2, .shift = 0, .size = 4 }, +}; + +static struct clksrc_clk exynos5_clk_sclk_spi0 = { + .clk = { + .name = "sclk_spi", + .devname = "exynos4210-spi.0", + .parent = &exynos5_clk_mdout_spi0.clk, + .enable = exynos5_clksrc_mask_peric1_ctrl, + .ctrlbit = (1 << 16), + }, + .reg_div = { .reg = EXYNOS5_CLKDIV_PERIC1, .shift = 8, .size = 8 }, +}; + +static struct clksrc_clk exynos5_clk_sclk_spi1 = { + .clk = { + .name = "sclk_spi", + .devname = "exynos4210-spi.1", + .parent = &exynos5_clk_mdout_spi1.clk, + .enable = exynos5_clksrc_mask_peric1_ctrl, + .ctrlbit = (1 << 20), + }, + .reg_div = { .reg = EXYNOS5_CLKDIV_PERIC1, .shift = 24, .size = 8 }, +}; + +static struct clksrc_clk exynos5_clk_sclk_spi2 = { + .clk = { + .name = "sclk_spi", + .devname = "exynos4210-spi.2", + .parent = &exynos5_clk_mdout_spi2.clk, + .enable = exynos5_clksrc_mask_peric1_ctrl, + .ctrlbit = (1 << 24), + }, + .reg_div = { .reg = EXYNOS5_CLKDIV_PERIC2, .shift = 8, .size = 8 }, +}; + static struct clksrc_clk exynos5_clksrcs[] = { { .clk = { @@ -1148,6 +1234,12 @@ static struct clksrc_clk *exynos5_sysclks[] = { &exynos5_clk_dout_mmc4, &exynos5_clk_aclk_acp, &exynos5_clk_pclk_acp, + &exynos5_clk_sclk_spi0, + &exynos5_clk_sclk_spi1, + &exynos5_clk_sclk_spi2, + &exynos5_clk_mdout_spi0, + &exynos5_clk_mdout_spi1, + &exynos5_clk_mdout_spi2, }; static struct clk *exynos5_clk_cdev[] = { @@ -1176,6 +1268,9 @@ static struct clk_lookup exynos5_clk_lookup[] = { CLKDEV_INIT("exynos4-sdhci.1", "mmc_busclk.2", &exynos5_clk_sclk_mmc1.clk), CLKDEV_INIT("exynos4-sdhci.2", "mmc_busclk.2", &exynos5_clk_sclk_mmc2.clk), CLKDEV_INIT("exynos4-sdhci.3", "mmc_busclk.2", &exynos5_clk_sclk_mmc3.clk), + CLKDEV_INIT("exynos4210-spi.0", "spi_busclk0", &exynos5_clk_sclk_spi0.clk), + CLKDEV_INIT("exynos4210-spi.1", "spi_busclk0", &exynos5_clk_sclk_spi1.clk), + CLKDEV_INIT("exynos4210-spi.2", "spi_busclk0", &exynos5_clk_sclk_spi2.clk), CLKDEV_INIT("dma-pl330.0", "apb_pclk", &exynos5_clk_pdma0), CLKDEV_INIT("dma-pl330.1", "apb_pclk", &exynos5_clk_pdma1), CLKDEV_INIT("dma-pl330.2", "apb_pclk", &exynos5_clk_mdma1), diff --git a/arch/arm/mach-exynos/include/mach/irqs.h b/arch/arm/mach-exynos/include/mach/irqs.h index 7a4b4789eb7288205fcfcd555dcf50ffdb962753..35bced6f9092141920152664267362a54cdf8161 100644 --- a/arch/arm/mach-exynos/include/mach/irqs.h +++ b/arch/arm/mach-exynos/include/mach/irqs.h @@ -195,6 +195,10 @@ #define IRQ_IIC6 EXYNOS4_IRQ_IIC6 #define IRQ_IIC7 EXYNOS4_IRQ_IIC7 +#define IRQ_SPI0 EXYNOS4_IRQ_SPI0 +#define IRQ_SPI1 EXYNOS4_IRQ_SPI1 +#define IRQ_SPI2 EXYNOS4_IRQ_SPI2 + #define IRQ_USB_HOST EXYNOS4_IRQ_USB_HOST #define IRQ_OTG EXYNOS4_IRQ_USB_HSOTG diff --git a/arch/arm/mach-exynos/include/mach/map.h b/arch/arm/mach-exynos/include/mach/map.h index ca4aa89aa46b357fe5ff04710bd9ffdf4caf361b..c72b675b3e4b98f07dd26353d1dcbb3ee7ae12e6 100644 --- a/arch/arm/mach-exynos/include/mach/map.h +++ b/arch/arm/mach-exynos/include/mach/map.h @@ -154,6 +154,9 @@ #define EXYNOS4_PA_SPI0 0x13920000 #define EXYNOS4_PA_SPI1 0x13930000 #define EXYNOS4_PA_SPI2 0x13940000 +#define EXYNOS5_PA_SPI0 0x12D20000 +#define EXYNOS5_PA_SPI1 0x12D30000 +#define EXYNOS5_PA_SPI2 0x12D40000 #define EXYNOS4_PA_GPIO1 0x11400000 #define EXYNOS4_PA_GPIO2 0x11000000 diff --git a/arch/arm/mach-exynos/mach-exynos4-dt.c b/arch/arm/mach-exynos/mach-exynos4-dt.c index e7e9743543acd6384f38f5cfcfcd7b4760872225..b2b5d5faa74854adea983f3b2b1b085b6d133540 100644 --- a/arch/arm/mach-exynos/mach-exynos4-dt.c +++ b/arch/arm/mach-exynos/mach-exynos4-dt.c @@ -55,6 +55,12 @@ static const struct of_dev_auxdata exynos4210_auxdata_lookup[] __initconst = { "exynos4-sdhci.3", NULL), OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS4_PA_IIC(0), "s3c2440-i2c.0", NULL), + OF_DEV_AUXDATA("samsung,exynos4210-spi", EXYNOS4_PA_SPI0, + "exynos4210-spi.0", NULL), + OF_DEV_AUXDATA("samsung,exynos4210-spi", EXYNOS4_PA_SPI1, + "exynos4210-spi.1", NULL), + OF_DEV_AUXDATA("samsung,exynos4210-spi", EXYNOS4_PA_SPI2, + "exynos4210-spi.2", NULL), OF_DEV_AUXDATA("arm,pl330", EXYNOS4_PA_PDMA0, "dma-pl330.0", NULL), OF_DEV_AUXDATA("arm,pl330", EXYNOS4_PA_PDMA1, "dma-pl330.1", NULL), {}, diff --git a/arch/arm/mach-exynos/mach-exynos5-dt.c b/arch/arm/mach-exynos/mach-exynos5-dt.c index 7b1e11a228cce49776135f140316c83182f4d440..ef770bc2318fcbd074387a6c5278a007f169773d 100644 --- a/arch/arm/mach-exynos/mach-exynos5-dt.c +++ b/arch/arm/mach-exynos/mach-exynos5-dt.c @@ -47,6 +47,12 @@ static const struct of_dev_auxdata exynos5250_auxdata_lookup[] __initconst = { "s3c2440-i2c.0", NULL), OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS5_PA_IIC(1), "s3c2440-i2c.1", NULL), + OF_DEV_AUXDATA("samsung,exynos4210-spi", EXYNOS5_PA_SPI0, + "exynos4210-spi.0", NULL), + OF_DEV_AUXDATA("samsung,exynos4210-spi", EXYNOS5_PA_SPI1, + "exynos4210-spi.1", NULL), + OF_DEV_AUXDATA("samsung,exynos4210-spi", EXYNOS5_PA_SPI2, + "exynos4210-spi.2", NULL), OF_DEV_AUXDATA("arm,pl330", EXYNOS5_PA_PDMA0, "dma-pl330.0", NULL), OF_DEV_AUXDATA("arm,pl330", EXYNOS5_PA_PDMA1, "dma-pl330.1", NULL), OF_DEV_AUXDATA("arm,pl330", EXYNOS5_PA_MDMA1, "dma-pl330.2", NULL), diff --git a/arch/arm/mach-exynos/setup-spi.c b/arch/arm/mach-exynos/setup-spi.c index 833ff40ee0e8943cd5f711c884f2307df4a52f2d..4999829d1c6eb176f028a4f5959a9af90ac3d66e 100644 --- a/arch/arm/mach-exynos/setup-spi.c +++ b/arch/arm/mach-exynos/setup-spi.c @@ -9,21 +9,10 @@ */ #include -#include - #include -#include #ifdef CONFIG_S3C64XX_DEV_SPI0 -struct s3c64xx_spi_info s3c64xx_spi0_pdata __initdata = { - .fifo_lvl_mask = 0x1ff, - .rx_lvl_offset = 15, - .high_speed = 1, - .clk_from_cmu = true, - .tx_st_done = 25, -}; - -int s3c64xx_spi0_cfg_gpio(struct platform_device *dev) +int s3c64xx_spi0_cfg_gpio(void) { s3c_gpio_cfgpin(EXYNOS4_GPB(0), S3C_GPIO_SFN(2)); s3c_gpio_setpull(EXYNOS4_GPB(0), S3C_GPIO_PULL_UP); @@ -34,15 +23,7 @@ int s3c64xx_spi0_cfg_gpio(struct platform_device *dev) #endif #ifdef CONFIG_S3C64XX_DEV_SPI1 -struct s3c64xx_spi_info s3c64xx_spi1_pdata __initdata = { - .fifo_lvl_mask = 0x7f, - .rx_lvl_offset = 15, - .high_speed = 1, - .clk_from_cmu = true, - .tx_st_done = 25, -}; - -int s3c64xx_spi1_cfg_gpio(struct platform_device *dev) +int s3c64xx_spi1_cfg_gpio(void) { s3c_gpio_cfgpin(EXYNOS4_GPB(4), S3C_GPIO_SFN(2)); s3c_gpio_setpull(EXYNOS4_GPB(4), S3C_GPIO_PULL_UP); @@ -53,15 +34,7 @@ int s3c64xx_spi1_cfg_gpio(struct platform_device *dev) #endif #ifdef CONFIG_S3C64XX_DEV_SPI2 -struct s3c64xx_spi_info s3c64xx_spi2_pdata __initdata = { - .fifo_lvl_mask = 0x7f, - .rx_lvl_offset = 15, - .high_speed = 1, - .clk_from_cmu = true, - .tx_st_done = 25, -}; - -int s3c64xx_spi2_cfg_gpio(struct platform_device *dev) +int s3c64xx_spi2_cfg_gpio(void) { s3c_gpio_cfgpin(EXYNOS4_GPC1(1), S3C_GPIO_SFN(5)); s3c_gpio_setpull(EXYNOS4_GPC1(1), S3C_GPIO_PULL_UP); diff --git a/arch/arm/mach-s3c24xx/clock-s3c2416.c b/arch/arm/mach-s3c24xx/clock-s3c2416.c index 8702ecfaab3098f3987cd4bc6c23a2bc88a07a8e..14a81c2317a417eb14b3fc413678a5541e9b09a5 100644 --- a/arch/arm/mach-s3c24xx/clock-s3c2416.c +++ b/arch/arm/mach-s3c24xx/clock-s3c2416.c @@ -144,7 +144,8 @@ static struct clk_lookup s3c2416_clk_lookup[] = { CLKDEV_INIT("s3c-sdhci.0", "mmc_busclk.0", &hsmmc0_clk), CLKDEV_INIT("s3c-sdhci.0", "mmc_busclk.2", &hsmmc_mux0.clk), CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.2", &hsmmc_mux1.clk), - CLKDEV_INIT("s3c64xx-spi.0", "spi_busclk2", &hsspi_mux.clk), + /* s3c2443-spi.0 is used on s3c2416 and s3c2450 as well */ + CLKDEV_INIT("s3c2443-spi.0", "spi_busclk2", &hsspi_mux.clk), }; void __init s3c2416_init_clocks(int xtal) diff --git a/arch/arm/mach-s3c24xx/clock-s3c2443.c b/arch/arm/mach-s3c24xx/clock-s3c2443.c index a4c5a520d9942abe648af870f978e79ebf15bab4..7f689ce1be614b7f2b7d43a860168f677b22d330 100644 --- a/arch/arm/mach-s3c24xx/clock-s3c2443.c +++ b/arch/arm/mach-s3c24xx/clock-s3c2443.c @@ -181,7 +181,7 @@ static struct clk *clks[] __initdata = { static struct clk_lookup s3c2443_clk_lookup[] = { CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.2", &clk_hsmmc), - CLKDEV_INIT("s3c64xx-spi.0", "spi_busclk2", &clk_hsspi.clk), + CLKDEV_INIT("s3c2443-spi.0", "spi_busclk2", &clk_hsspi.clk), }; void __init s3c2443_init_clocks(int xtal) diff --git a/arch/arm/mach-s3c24xx/common-s3c2443.c b/arch/arm/mach-s3c24xx/common-s3c2443.c index aeeb2be283fae341492bbe08efb3a44298182ebb..aeb4a24ff3edffb7cb79f308cc85911c555427e0 100644 --- a/arch/arm/mach-s3c24xx/common-s3c2443.c +++ b/arch/arm/mach-s3c24xx/common-s3c2443.c @@ -559,7 +559,7 @@ static struct clk hsmmc1_clk = { static struct clk hsspi_clk = { .name = "spi", - .devname = "s3c64xx-spi.0", + .devname = "s3c2443-spi.0", .parent = &clk_p, .enable = s3c2443_clkcon_enable_p, .ctrlbit = S3C2443_PCLKCON_HSSPI, @@ -633,7 +633,7 @@ static struct clk_lookup s3c2443_clk_lookup[] = { CLKDEV_INIT(NULL, "clk_uart_baud2", &clk_p), CLKDEV_INIT(NULL, "clk_uart_baud3", &clk_esys_uart.clk), CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.0", &hsmmc1_clk), - CLKDEV_INIT("s3c64xx-spi.0", "spi_busclk0", &hsspi_clk), + CLKDEV_INIT("s3c2443-spi.0", "spi_busclk0", &hsspi_clk), }; void __init s3c2443_common_init_clocks(int xtal, pll_fn get_mpll, diff --git a/arch/arm/mach-s3c24xx/setup-spi.c b/arch/arm/mach-s3c24xx/setup-spi.c index 5712c85f39b1f2f83ea18dea8bc3857d94dd727a..3d47e023ce942a6de1147e4dcf7f381443a08a63 100644 --- a/arch/arm/mach-s3c24xx/setup-spi.c +++ b/arch/arm/mach-s3c24xx/setup-spi.c @@ -13,20 +13,12 @@ #include #include -#include #include #include #ifdef CONFIG_S3C64XX_DEV_SPI0 -struct s3c64xx_spi_info s3c64xx_spi0_pdata __initdata = { - .fifo_lvl_mask = 0x7f, - .rx_lvl_offset = 13, - .tx_st_done = 21, - .high_speed = 1, -}; - -int s3c64xx_spi0_cfg_gpio(struct platform_device *pdev) +int s3c64xx_spi0_cfg_gpio(void) { /* enable hsspi bit in misccr */ s3c2410_modify_misccr(S3C2416_MISCCR_HSSPI_EN2, 1); diff --git a/arch/arm/mach-s3c64xx/clock.c b/arch/arm/mach-s3c64xx/clock.c index 52f079a691cb4627b66eb6fa4bb7ad2d14327e9a..28041e83dc823c3d437d2a0ad863adf65f339be5 100644 --- a/arch/arm/mach-s3c64xx/clock.c +++ b/arch/arm/mach-s3c64xx/clock.c @@ -178,13 +178,13 @@ static struct clk init_clocks_off[] = { .ctrlbit = S3C_CLKCON_PCLK_KEYPAD, }, { .name = "spi", - .devname = "s3c64xx-spi.0", + .devname = "s3c6410-spi.0", .parent = &clk_p, .enable = s3c64xx_pclk_ctrl, .ctrlbit = S3C_CLKCON_PCLK_SPI0, }, { .name = "spi", - .devname = "s3c64xx-spi.1", + .devname = "s3c6410-spi.1", .parent = &clk_p, .enable = s3c64xx_pclk_ctrl, .ctrlbit = S3C_CLKCON_PCLK_SPI1, @@ -331,7 +331,7 @@ static struct clk init_clocks_off[] = { static struct clk clk_48m_spi0 = { .name = "spi_48m", - .devname = "s3c64xx-spi.0", + .devname = "s3c6410-spi.0", .parent = &clk_48m, .enable = s3c64xx_sclk_ctrl, .ctrlbit = S3C_CLKCON_SCLK_SPI0_48, @@ -339,7 +339,7 @@ static struct clk clk_48m_spi0 = { static struct clk clk_48m_spi1 = { .name = "spi_48m", - .devname = "s3c64xx-spi.1", + .devname = "s3c6410-spi.1", .parent = &clk_48m, .enable = s3c64xx_sclk_ctrl, .ctrlbit = S3C_CLKCON_SCLK_SPI1_48, @@ -802,7 +802,7 @@ static struct clksrc_clk clk_sclk_mmc2 = { static struct clksrc_clk clk_sclk_spi0 = { .clk = { .name = "spi-bus", - .devname = "s3c64xx-spi.0", + .devname = "s3c6410-spi.0", .ctrlbit = S3C_CLKCON_SCLK_SPI0, .enable = s3c64xx_sclk_ctrl, }, @@ -814,7 +814,7 @@ static struct clksrc_clk clk_sclk_spi0 = { static struct clksrc_clk clk_sclk_spi1 = { .clk = { .name = "spi-bus", - .devname = "s3c64xx-spi.1", + .devname = "s3c6410-spi.1", .ctrlbit = S3C_CLKCON_SCLK_SPI1, .enable = s3c64xx_sclk_ctrl, }, @@ -858,10 +858,10 @@ static struct clk_lookup s3c64xx_clk_lookup[] = { CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.2", &clk_sclk_mmc1.clk), CLKDEV_INIT("s3c-sdhci.2", "mmc_busclk.2", &clk_sclk_mmc2.clk), CLKDEV_INIT(NULL, "spi_busclk0", &clk_p), - CLKDEV_INIT("s3c64xx-spi.0", "spi_busclk1", &clk_sclk_spi0.clk), - CLKDEV_INIT("s3c64xx-spi.0", "spi_busclk2", &clk_48m_spi0), - CLKDEV_INIT("s3c64xx-spi.1", "spi_busclk1", &clk_sclk_spi1.clk), - CLKDEV_INIT("s3c64xx-spi.1", "spi_busclk2", &clk_48m_spi1), + CLKDEV_INIT("s3c6410-spi.0", "spi_busclk1", &clk_sclk_spi0.clk), + CLKDEV_INIT("s3c6410-spi.0", "spi_busclk2", &clk_48m_spi0), + CLKDEV_INIT("s3c6410-spi.1", "spi_busclk1", &clk_sclk_spi1.clk), + CLKDEV_INIT("s3c6410-spi.1", "spi_busclk2", &clk_48m_spi1), }; #define GET_DIV(clk, field) ((((clk) & field##_MASK) >> field##_SHIFT) + 1) diff --git a/arch/arm/mach-s3c64xx/include/mach/dma.h b/arch/arm/mach-s3c64xx/include/mach/dma.h index fe1a98cf0e4c7cb3a63311efec61f507e9ebf8e2..57b1ff4b2d7ce6417cb113770e9a642230f558bc 100644 --- a/arch/arm/mach-s3c64xx/include/mach/dma.h +++ b/arch/arm/mach-s3c64xx/include/mach/dma.h @@ -21,6 +21,7 @@ */ enum dma_ch { /* DMA0/SDMA0 */ + DMACH_DT_PROP = -1, /* not yet supported, do not use */ DMACH_UART0 = 0, DMACH_UART0_SRC2, DMACH_UART1, diff --git a/arch/arm/mach-s3c64xx/mach-crag6410.c b/arch/arm/mach-s3c64xx/mach-crag6410.c index d0c352d861f8f341fd93ac2da561b7c2bab35805..6dd4fae33a8236e98e5950a4bdffb7e51afbe12f 100644 --- a/arch/arm/mach-s3c64xx/mach-crag6410.c +++ b/arch/arm/mach-s3c64xx/mach-crag6410.c @@ -799,7 +799,7 @@ static void __init crag6410_machine_init(void) i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1)); samsung_keypad_set_platdata(&crag6410_keypad_data); - s3c64xx_spi0_set_platdata(&s3c64xx_spi0_pdata, 0, 1); + s3c64xx_spi0_set_platdata(NULL, 0, 1); platform_add_devices(crag6410_devices, ARRAY_SIZE(crag6410_devices)); diff --git a/arch/arm/mach-s3c64xx/setup-spi.c b/arch/arm/mach-s3c64xx/setup-spi.c index d9592ad7a82553c56355e4c9474fe839bf4d8e52..4dc53450d71547f3ea4137092354682006a16962 100644 --- a/arch/arm/mach-s3c64xx/setup-spi.c +++ b/arch/arm/mach-s3c64xx/setup-spi.c @@ -9,19 +9,10 @@ */ #include -#include - #include -#include #ifdef CONFIG_S3C64XX_DEV_SPI0 -struct s3c64xx_spi_info s3c64xx_spi0_pdata __initdata = { - .fifo_lvl_mask = 0x7f, - .rx_lvl_offset = 13, - .tx_st_done = 21, -}; - -int s3c64xx_spi0_cfg_gpio(struct platform_device *dev) +int s3c64xx_spi0_cfg_gpio(void) { s3c_gpio_cfgall_range(S3C64XX_GPC(0), 3, S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP); @@ -30,13 +21,7 @@ int s3c64xx_spi0_cfg_gpio(struct platform_device *dev) #endif #ifdef CONFIG_S3C64XX_DEV_SPI1 -struct s3c64xx_spi_info s3c64xx_spi1_pdata __initdata = { - .fifo_lvl_mask = 0x7f, - .rx_lvl_offset = 13, - .tx_st_done = 21, -}; - -int s3c64xx_spi1_cfg_gpio(struct platform_device *dev) +int s3c64xx_spi1_cfg_gpio(void) { s3c_gpio_cfgall_range(S3C64XX_GPC(4), 3, S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP); diff --git a/arch/arm/mach-s5p64x0/clock-s5p6440.c b/arch/arm/mach-s5p64x0/clock-s5p6440.c index ee1e8e7f563142b8775b1b2001f502ccd20ba540..000445596ec4ff5a3577e0d034e40c3574a882ae 100644 --- a/arch/arm/mach-s5p64x0/clock-s5p6440.c +++ b/arch/arm/mach-s5p64x0/clock-s5p6440.c @@ -227,13 +227,13 @@ static struct clk init_clocks_off[] = { .ctrlbit = (1 << 17), }, { .name = "spi", - .devname = "s3c64xx-spi.0", + .devname = "s5p64x0-spi.0", .parent = &clk_pclk_low.clk, .enable = s5p64x0_pclk_ctrl, .ctrlbit = (1 << 21), }, { .name = "spi", - .devname = "s3c64xx-spi.1", + .devname = "s5p64x0-spi.1", .parent = &clk_pclk_low.clk, .enable = s5p64x0_pclk_ctrl, .ctrlbit = (1 << 22), @@ -467,7 +467,7 @@ static struct clksrc_clk clk_sclk_uclk = { static struct clksrc_clk clk_sclk_spi0 = { .clk = { .name = "sclk_spi", - .devname = "s3c64xx-spi.0", + .devname = "s5p64x0-spi.0", .ctrlbit = (1 << 20), .enable = s5p64x0_sclk_ctrl, }, @@ -479,7 +479,7 @@ static struct clksrc_clk clk_sclk_spi0 = { static struct clksrc_clk clk_sclk_spi1 = { .clk = { .name = "sclk_spi", - .devname = "s3c64xx-spi.1", + .devname = "s5p64x0-spi.1", .ctrlbit = (1 << 21), .enable = s5p64x0_sclk_ctrl, }, @@ -519,8 +519,8 @@ static struct clk_lookup s5p6440_clk_lookup[] = { CLKDEV_INIT(NULL, "clk_uart_baud2", &clk_pclk_low.clk), CLKDEV_INIT(NULL, "clk_uart_baud3", &clk_sclk_uclk.clk), CLKDEV_INIT(NULL, "spi_busclk0", &clk_p), - CLKDEV_INIT("s3c64xx-spi.0", "spi_busclk1", &clk_sclk_spi0.clk), - CLKDEV_INIT("s3c64xx-spi.1", "spi_busclk1", &clk_sclk_spi1.clk), + CLKDEV_INIT("s5p64x0-spi.0", "spi_busclk1", &clk_sclk_spi0.clk), + CLKDEV_INIT("s5p64x0-spi.1", "spi_busclk1", &clk_sclk_spi1.clk), CLKDEV_INIT("s3c-sdhci.0", "mmc_busclk.2", &clk_sclk_mmc0.clk), CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.2", &clk_sclk_mmc1.clk), CLKDEV_INIT("s3c-sdhci.2", "mmc_busclk.2", &clk_sclk_mmc2.clk), diff --git a/arch/arm/mach-s5p64x0/clock-s5p6450.c b/arch/arm/mach-s5p64x0/clock-s5p6450.c index dae6a13f43bb4dd7eac1425aa01a54e4390f42a8..f3e0ef3d27c9f3d3ba60cc5d053066b0e3af1092 100644 --- a/arch/arm/mach-s5p64x0/clock-s5p6450.c +++ b/arch/arm/mach-s5p64x0/clock-s5p6450.c @@ -236,13 +236,13 @@ static struct clk init_clocks_off[] = { .ctrlbit = (1 << 17), }, { .name = "spi", - .devname = "s3c64xx-spi.0", + .devname = "s5p64x0-spi.0", .parent = &clk_pclk_low.clk, .enable = s5p64x0_pclk_ctrl, .ctrlbit = (1 << 21), }, { .name = "spi", - .devname = "s3c64xx-spi.1", + .devname = "s5p64x0-spi.1", .parent = &clk_pclk_low.clk, .enable = s5p64x0_pclk_ctrl, .ctrlbit = (1 << 22), @@ -528,7 +528,7 @@ static struct clksrc_clk clk_sclk_uclk = { static struct clksrc_clk clk_sclk_spi0 = { .clk = { .name = "sclk_spi", - .devname = "s3c64xx-spi.0", + .devname = "s5p64x0-spi.0", .ctrlbit = (1 << 20), .enable = s5p64x0_sclk_ctrl, }, @@ -540,7 +540,7 @@ static struct clksrc_clk clk_sclk_spi0 = { static struct clksrc_clk clk_sclk_spi1 = { .clk = { .name = "sclk_spi", - .devname = "s3c64xx-spi.1", + .devname = "s5p64x0-spi.1", .ctrlbit = (1 << 21), .enable = s5p64x0_sclk_ctrl, }, @@ -562,8 +562,8 @@ static struct clk_lookup s5p6450_clk_lookup[] = { CLKDEV_INIT(NULL, "clk_uart_baud2", &clk_pclk_low.clk), CLKDEV_INIT(NULL, "clk_uart_baud3", &clk_sclk_uclk.clk), CLKDEV_INIT(NULL, "spi_busclk0", &clk_p), - CLKDEV_INIT("s3c64xx-spi.0", "spi_busclk1", &clk_sclk_spi0.clk), - CLKDEV_INIT("s3c64xx-spi.1", "spi_busclk1", &clk_sclk_spi1.clk), + CLKDEV_INIT("s5p64x0-spi.0", "spi_busclk1", &clk_sclk_spi0.clk), + CLKDEV_INIT("s5p64x0-spi.1", "spi_busclk1", &clk_sclk_spi1.clk), CLKDEV_INIT("s3c-sdhci.0", "mmc_busclk.2", &clk_sclk_mmc0.clk), CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.2", &clk_sclk_mmc1.clk), CLKDEV_INIT("s3c-sdhci.2", "mmc_busclk.2", &clk_sclk_mmc2.clk), diff --git a/arch/arm/mach-s5p64x0/setup-spi.c b/arch/arm/mach-s5p64x0/setup-spi.c index e9b841240352d229f39557a2301bd71bae7df6a2..7664356720ca625ebd2022761dbf22f1f1069306 100644 --- a/arch/arm/mach-s5p64x0/setup-spi.c +++ b/arch/arm/mach-s5p64x0/setup-spi.c @@ -9,21 +9,10 @@ */ #include -#include -#include - #include -#include -#include #ifdef CONFIG_S3C64XX_DEV_SPI0 -struct s3c64xx_spi_info s3c64xx_spi0_pdata __initdata = { - .fifo_lvl_mask = 0x1ff, - .rx_lvl_offset = 15, - .tx_st_done = 25, -}; - -int s3c64xx_spi0_cfg_gpio(struct platform_device *dev) +int s3c64xx_spi0_cfg_gpio(void) { if (soc_is_s5p6450()) s3c_gpio_cfgall_range(S5P6450_GPC(0), 3, @@ -36,13 +25,7 @@ int s3c64xx_spi0_cfg_gpio(struct platform_device *dev) #endif #ifdef CONFIG_S3C64XX_DEV_SPI1 -struct s3c64xx_spi_info s3c64xx_spi1_pdata __initdata = { - .fifo_lvl_mask = 0x7f, - .rx_lvl_offset = 15, - .tx_st_done = 25, -}; - -int s3c64xx_spi1_cfg_gpio(struct platform_device *dev) +int s3c64xx_spi1_cfg_gpio(void) { if (soc_is_s5p6450()) s3c_gpio_cfgall_range(S5P6450_GPC(4), 3, diff --git a/arch/arm/mach-s5pc100/clock.c b/arch/arm/mach-s5pc100/clock.c index 16eca4ea201066b6498a503e1f53b1d4c0d7efd0..926219791f0dcd1bbaba3b49f5b690f89ab70975 100644 --- a/arch/arm/mach-s5pc100/clock.c +++ b/arch/arm/mach-s5pc100/clock.c @@ -564,19 +564,19 @@ static struct clk init_clocks_off[] = { .ctrlbit = (1 << 5), }, { .name = "spi", - .devname = "s3c64xx-spi.0", + .devname = "s5pc100-spi.0", .parent = &clk_div_d1_bus.clk, .enable = s5pc100_d1_4_ctrl, .ctrlbit = (1 << 6), }, { .name = "spi", - .devname = "s3c64xx-spi.1", + .devname = "s5pc100-spi.1", .parent = &clk_div_d1_bus.clk, .enable = s5pc100_d1_4_ctrl, .ctrlbit = (1 << 7), }, { .name = "spi", - .devname = "s3c64xx-spi.2", + .devname = "s5pc100-spi.2", .parent = &clk_div_d1_bus.clk, .enable = s5pc100_d1_4_ctrl, .ctrlbit = (1 << 8), @@ -702,7 +702,7 @@ static struct clk clk_hsmmc0 = { static struct clk clk_48m_spi0 = { .name = "spi_48m", - .devname = "s3c64xx-spi.0", + .devname = "s5pc100-spi.0", .parent = &clk_mout_48m.clk, .enable = s5pc100_sclk0_ctrl, .ctrlbit = (1 << 7), @@ -710,7 +710,7 @@ static struct clk clk_48m_spi0 = { static struct clk clk_48m_spi1 = { .name = "spi_48m", - .devname = "s3c64xx-spi.1", + .devname = "s5pc100-spi.1", .parent = &clk_mout_48m.clk, .enable = s5pc100_sclk0_ctrl, .ctrlbit = (1 << 8), @@ -718,7 +718,7 @@ static struct clk clk_48m_spi1 = { static struct clk clk_48m_spi2 = { .name = "spi_48m", - .devname = "s3c64xx-spi.2", + .devname = "s5pc100-spi.2", .parent = &clk_mout_48m.clk, .enable = s5pc100_sclk0_ctrl, .ctrlbit = (1 << 9), @@ -1085,7 +1085,7 @@ static struct clksrc_clk clk_sclk_mmc2 = { static struct clksrc_clk clk_sclk_spi0 = { .clk = { .name = "sclk_spi", - .devname = "s3c64xx-spi.0", + .devname = "s5pc100-spi.0", .ctrlbit = (1 << 4), .enable = s5pc100_sclk0_ctrl, }, @@ -1097,7 +1097,7 @@ static struct clksrc_clk clk_sclk_spi0 = { static struct clksrc_clk clk_sclk_spi1 = { .clk = { .name = "sclk_spi", - .devname = "s3c64xx-spi.1", + .devname = "s5pc100-spi.1", .ctrlbit = (1 << 5), .enable = s5pc100_sclk0_ctrl, }, @@ -1109,7 +1109,7 @@ static struct clksrc_clk clk_sclk_spi1 = { static struct clksrc_clk clk_sclk_spi2 = { .clk = { .name = "sclk_spi", - .devname = "s3c64xx-spi.2", + .devname = "s5pc100-spi.2", .ctrlbit = (1 << 6), .enable = s5pc100_sclk0_ctrl, }, @@ -1315,12 +1315,12 @@ static struct clk_lookup s5pc100_clk_lookup[] = { CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.2", &clk_sclk_mmc1.clk), CLKDEV_INIT("s3c-sdhci.2", "mmc_busclk.2", &clk_sclk_mmc2.clk), CLKDEV_INIT(NULL, "spi_busclk0", &clk_p), - CLKDEV_INIT("s3c64xx-spi.0", "spi_busclk1", &clk_48m_spi0), - CLKDEV_INIT("s3c64xx-spi.0", "spi_busclk2", &clk_sclk_spi0.clk), - CLKDEV_INIT("s3c64xx-spi.1", "spi_busclk1", &clk_48m_spi1), - CLKDEV_INIT("s3c64xx-spi.1", "spi_busclk2", &clk_sclk_spi1.clk), - CLKDEV_INIT("s3c64xx-spi.2", "spi_busclk1", &clk_48m_spi2), - CLKDEV_INIT("s3c64xx-spi.2", "spi_busclk2", &clk_sclk_spi2.clk), + CLKDEV_INIT("s5pc100-spi.0", "spi_busclk1", &clk_48m_spi0), + CLKDEV_INIT("s5pc100-spi.0", "spi_busclk2", &clk_sclk_spi0.clk), + CLKDEV_INIT("s5pc100-spi.1", "spi_busclk1", &clk_48m_spi1), + CLKDEV_INIT("s5pc100-spi.1", "spi_busclk2", &clk_sclk_spi1.clk), + CLKDEV_INIT("s5pc100-spi.2", "spi_busclk1", &clk_48m_spi2), + CLKDEV_INIT("s5pc100-spi.2", "spi_busclk2", &clk_sclk_spi2.clk), }; void __init s5pc100_register_clocks(void) diff --git a/arch/arm/mach-s5pc100/setup-spi.c b/arch/arm/mach-s5pc100/setup-spi.c index 431a6f747caa196844c3f3bcb5559a0c3c33dac9..183567961de1c32a842674b0b3812168785d1908 100644 --- a/arch/arm/mach-s5pc100/setup-spi.c +++ b/arch/arm/mach-s5pc100/setup-spi.c @@ -9,20 +9,10 @@ */ #include -#include - #include -#include #ifdef CONFIG_S3C64XX_DEV_SPI0 -struct s3c64xx_spi_info s3c64xx_spi0_pdata __initdata = { - .fifo_lvl_mask = 0x7f, - .rx_lvl_offset = 13, - .high_speed = 1, - .tx_st_done = 21, -}; - -int s3c64xx_spi0_cfg_gpio(struct platform_device *dev) +int s3c64xx_spi0_cfg_gpio(void) { s3c_gpio_cfgall_range(S5PC100_GPB(0), 3, S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP); @@ -31,14 +21,7 @@ int s3c64xx_spi0_cfg_gpio(struct platform_device *dev) #endif #ifdef CONFIG_S3C64XX_DEV_SPI1 -struct s3c64xx_spi_info s3c64xx_spi1_pdata __initdata = { - .fifo_lvl_mask = 0x7f, - .rx_lvl_offset = 13, - .high_speed = 1, - .tx_st_done = 21, -}; - -int s3c64xx_spi1_cfg_gpio(struct platform_device *dev) +int s3c64xx_spi1_cfg_gpio(void) { s3c_gpio_cfgall_range(S5PC100_GPB(4), 3, S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP); @@ -47,14 +30,7 @@ int s3c64xx_spi1_cfg_gpio(struct platform_device *dev) #endif #ifdef CONFIG_S3C64XX_DEV_SPI2 -struct s3c64xx_spi_info s3c64xx_spi2_pdata __initdata = { - .fifo_lvl_mask = 0x7f, - .rx_lvl_offset = 13, - .high_speed = 1, - .tx_st_done = 21, -}; - -int s3c64xx_spi2_cfg_gpio(struct platform_device *dev) +int s3c64xx_spi2_cfg_gpio(void) { s3c_gpio_cfgpin(S5PC100_GPG3(0), S3C_GPIO_SFN(3)); s3c_gpio_setpull(S5PC100_GPG3(0), S3C_GPIO_PULL_UP); diff --git a/arch/arm/mach-s5pv210/clock.c b/arch/arm/mach-s5pv210/clock.c index 09609d50961d491c09f0f2e8926453e3db7cd0ce..fcdf52dbcc49f9bb8525790bc77953db7f452b73 100644 --- a/arch/arm/mach-s5pv210/clock.c +++ b/arch/arm/mach-s5pv210/clock.c @@ -445,19 +445,19 @@ static struct clk init_clocks_off[] = { .ctrlbit = (1 << 11), }, { .name = "spi", - .devname = "s3c64xx-spi.0", + .devname = "s5pv210-spi.0", .parent = &clk_pclk_psys.clk, .enable = s5pv210_clk_ip3_ctrl, .ctrlbit = (1<<12), }, { .name = "spi", - .devname = "s3c64xx-spi.1", + .devname = "s5pv210-spi.1", .parent = &clk_pclk_psys.clk, .enable = s5pv210_clk_ip3_ctrl, .ctrlbit = (1<<13), }, { .name = "spi", - .devname = "s3c64xx-spi.2", + .devname = "s5pv210-spi.2", .parent = &clk_pclk_psys.clk, .enable = s5pv210_clk_ip3_ctrl, .ctrlbit = (1<<14), @@ -1035,7 +1035,7 @@ static struct clksrc_clk clk_sclk_mmc3 = { static struct clksrc_clk clk_sclk_spi0 = { .clk = { .name = "sclk_spi", - .devname = "s3c64xx-spi.0", + .devname = "s5pv210-spi.0", .enable = s5pv210_clk_mask0_ctrl, .ctrlbit = (1 << 16), }, @@ -1047,7 +1047,7 @@ static struct clksrc_clk clk_sclk_spi0 = { static struct clksrc_clk clk_sclk_spi1 = { .clk = { .name = "sclk_spi", - .devname = "s3c64xx-spi.1", + .devname = "s5pv210-spi.1", .enable = s5pv210_clk_mask0_ctrl, .ctrlbit = (1 << 17), }, @@ -1331,8 +1331,8 @@ static struct clk_lookup s5pv210_clk_lookup[] = { CLKDEV_INIT("s3c-sdhci.2", "mmc_busclk.2", &clk_sclk_mmc2.clk), CLKDEV_INIT("s3c-sdhci.3", "mmc_busclk.2", &clk_sclk_mmc3.clk), CLKDEV_INIT(NULL, "spi_busclk0", &clk_p), - CLKDEV_INIT("s3c64xx-spi.0", "spi_busclk1", &clk_sclk_spi0.clk), - CLKDEV_INIT("s3c64xx-spi.1", "spi_busclk1", &clk_sclk_spi1.clk), + CLKDEV_INIT("s5pv210-spi.0", "spi_busclk1", &clk_sclk_spi0.clk), + CLKDEV_INIT("s5pv210-spi.1", "spi_busclk1", &clk_sclk_spi1.clk), }; void __init s5pv210_register_clocks(void) diff --git a/arch/arm/mach-s5pv210/setup-spi.c b/arch/arm/mach-s5pv210/setup-spi.c index f43c5048a37d0f5038b1be3c872b159be6ac5448..81aecc162f8220991e4e7d4452912758f29ea446 100644 --- a/arch/arm/mach-s5pv210/setup-spi.c +++ b/arch/arm/mach-s5pv210/setup-spi.c @@ -9,20 +9,10 @@ */ #include -#include - #include -#include #ifdef CONFIG_S3C64XX_DEV_SPI0 -struct s3c64xx_spi_info s3c64xx_spi0_pdata = { - .fifo_lvl_mask = 0x1ff, - .rx_lvl_offset = 15, - .high_speed = 1, - .tx_st_done = 25, -}; - -int s3c64xx_spi0_cfg_gpio(struct platform_device *dev) +int s3c64xx_spi0_cfg_gpio(void) { s3c_gpio_cfgpin(S5PV210_GPB(0), S3C_GPIO_SFN(2)); s3c_gpio_setpull(S5PV210_GPB(0), S3C_GPIO_PULL_UP); @@ -33,14 +23,7 @@ int s3c64xx_spi0_cfg_gpio(struct platform_device *dev) #endif #ifdef CONFIG_S3C64XX_DEV_SPI1 -struct s3c64xx_spi_info s3c64xx_spi1_pdata = { - .fifo_lvl_mask = 0x7f, - .rx_lvl_offset = 15, - .high_speed = 1, - .tx_st_done = 25, -}; - -int s3c64xx_spi1_cfg_gpio(struct platform_device *dev) +int s3c64xx_spi1_cfg_gpio(void) { s3c_gpio_cfgpin(S5PV210_GPB(4), S3C_GPIO_SFN(2)); s3c_gpio_setpull(S5PV210_GPB(4), S3C_GPIO_PULL_UP); diff --git a/arch/arm/plat-samsung/devs.c b/arch/arm/plat-samsung/devs.c index 6303974c2ee06af0e81a4f60437f0fac86d2f4f6..74e31ce355388bd7c2062b35fb30e09ca085b3f5 100644 --- a/arch/arm/plat-samsung/devs.c +++ b/arch/arm/plat-samsung/devs.c @@ -1513,7 +1513,7 @@ static struct resource s3c64xx_spi0_resource[] = { }; struct platform_device s3c64xx_device_spi0 = { - .name = "s3c64xx-spi", + .name = "s3c6410-spi", .id = 0, .num_resources = ARRAY_SIZE(s3c64xx_spi0_resource), .resource = s3c64xx_spi0_resource, @@ -1523,13 +1523,10 @@ struct platform_device s3c64xx_device_spi0 = { }, }; -void __init s3c64xx_spi0_set_platdata(struct s3c64xx_spi_info *pd, - int src_clk_nr, int num_cs) +void __init s3c64xx_spi0_set_platdata(int (*cfg_gpio)(void), int src_clk_nr, + int num_cs) { - if (!pd) { - pr_err("%s:Need to pass platform data\n", __func__); - return; - } + struct s3c64xx_spi_info pd; /* Reject invalid configuration */ if (!num_cs || src_clk_nr < 0) { @@ -1537,12 +1534,11 @@ void __init s3c64xx_spi0_set_platdata(struct s3c64xx_spi_info *pd, return; } - pd->num_cs = num_cs; - pd->src_clk_nr = src_clk_nr; - if (!pd->cfg_gpio) - pd->cfg_gpio = s3c64xx_spi0_cfg_gpio; + pd.num_cs = num_cs; + pd.src_clk_nr = src_clk_nr; + pd.cfg_gpio = (cfg_gpio) ? cfg_gpio : s3c64xx_spi0_cfg_gpio; - s3c_set_platdata(pd, sizeof(*pd), &s3c64xx_device_spi0); + s3c_set_platdata(&pd, sizeof(pd), &s3c64xx_device_spi0); } #endif /* CONFIG_S3C64XX_DEV_SPI0 */ @@ -1555,7 +1551,7 @@ static struct resource s3c64xx_spi1_resource[] = { }; struct platform_device s3c64xx_device_spi1 = { - .name = "s3c64xx-spi", + .name = "s3c6410-spi", .id = 1, .num_resources = ARRAY_SIZE(s3c64xx_spi1_resource), .resource = s3c64xx_spi1_resource, @@ -1565,26 +1561,20 @@ struct platform_device s3c64xx_device_spi1 = { }, }; -void __init s3c64xx_spi1_set_platdata(struct s3c64xx_spi_info *pd, - int src_clk_nr, int num_cs) +void __init s3c64xx_spi1_set_platdata(int (*cfg_gpio)(void), int src_clk_nr, + int num_cs) { - if (!pd) { - pr_err("%s:Need to pass platform data\n", __func__); - return; - } - /* Reject invalid configuration */ if (!num_cs || src_clk_nr < 0) { pr_err("%s: Invalid SPI configuration\n", __func__); return; } - pd->num_cs = num_cs; - pd->src_clk_nr = src_clk_nr; - if (!pd->cfg_gpio) - pd->cfg_gpio = s3c64xx_spi1_cfg_gpio; + pd.num_cs = num_cs; + pd.src_clk_nr = src_clk_nr; + pd.cfg_gpio = (cfg_gpio) ? cfg_gpio : s3c64xx_spi1_cfg_gpio; - s3c_set_platdata(pd, sizeof(*pd), &s3c64xx_device_spi1); + s3c_set_platdata(&pd, sizeof(pd), &s3c64xx_device_spi1); } #endif /* CONFIG_S3C64XX_DEV_SPI1 */ @@ -1597,7 +1587,7 @@ static struct resource s3c64xx_spi2_resource[] = { }; struct platform_device s3c64xx_device_spi2 = { - .name = "s3c64xx-spi", + .name = "s3c6410-spi", .id = 2, .num_resources = ARRAY_SIZE(s3c64xx_spi2_resource), .resource = s3c64xx_spi2_resource, @@ -1607,13 +1597,10 @@ struct platform_device s3c64xx_device_spi2 = { }, }; -void __init s3c64xx_spi2_set_platdata(struct s3c64xx_spi_info *pd, - int src_clk_nr, int num_cs) +void __init s3c64xx_spi2_set_platdata(int (*cfg_gpio)(void), int src_clk_nr, + int num_cs) { - if (!pd) { - pr_err("%s:Need to pass platform data\n", __func__); - return; - } + struct s3c64xx_spi_info pd; /* Reject invalid configuration */ if (!num_cs || src_clk_nr < 0) { @@ -1621,11 +1608,10 @@ void __init s3c64xx_spi2_set_platdata(struct s3c64xx_spi_info *pd, return; } - pd->num_cs = num_cs; - pd->src_clk_nr = src_clk_nr; - if (!pd->cfg_gpio) - pd->cfg_gpio = s3c64xx_spi2_cfg_gpio; + pd.num_cs = num_cs; + pd.src_clk_nr = src_clk_nr; + pd.cfg_gpio = (cfg_gpio) ? cfg_gpio : s3c64xx_spi2_cfg_gpio; - s3c_set_platdata(pd, sizeof(*pd), &s3c64xx_device_spi2); + s3c_set_platdata(&pd, sizeof(pd), &s3c64xx_device_spi2); } #endif /* CONFIG_S3C64XX_DEV_SPI2 */ diff --git a/arch/arm/plat-samsung/dma-ops.c b/arch/arm/plat-samsung/dma-ops.c index eb9f4f5340060d432f7fd6741a3acfc6fbfa2dbc..c38d75489240fc34476ef9bfd2a3caa010df2967 100644 --- a/arch/arm/plat-samsung/dma-ops.c +++ b/arch/arm/plat-samsung/dma-ops.c @@ -19,72 +19,79 @@ #include static unsigned samsung_dmadev_request(enum dma_ch dma_ch, - struct samsung_dma_info *info) + struct samsung_dma_req *param) { - struct dma_chan *chan; dma_cap_mask_t mask; - struct dma_slave_config slave_config; void *filter_param; dma_cap_zero(mask); - dma_cap_set(info->cap, mask); + dma_cap_set(param->cap, mask); /* * If a dma channel property of a device node from device tree is * specified, use that as the fliter parameter. */ - filter_param = (dma_ch == DMACH_DT_PROP) ? (void *)info->dt_dmach_prop : - (void *)dma_ch; - chan = dma_request_channel(mask, pl330_filter, filter_param); + filter_param = (dma_ch == DMACH_DT_PROP) ? + (void *)param->dt_dmach_prop : (void *)dma_ch; + return (unsigned)dma_request_channel(mask, pl330_filter, filter_param); +} + +static int samsung_dmadev_release(unsigned ch, void *param) +{ + dma_release_channel((struct dma_chan *)ch); - if (info->direction == DMA_DEV_TO_MEM) { + return 0; +} + +static int samsung_dmadev_config(unsigned ch, + struct samsung_dma_config *param) +{ + struct dma_chan *chan = (struct dma_chan *)ch; + struct dma_slave_config slave_config; + + if (param->direction == DMA_DEV_TO_MEM) { memset(&slave_config, 0, sizeof(struct dma_slave_config)); - slave_config.direction = info->direction; - slave_config.src_addr = info->fifo; - slave_config.src_addr_width = info->width; + slave_config.direction = param->direction; + slave_config.src_addr = param->fifo; + slave_config.src_addr_width = param->width; slave_config.src_maxburst = 1; dmaengine_slave_config(chan, &slave_config); - } else if (info->direction == DMA_MEM_TO_DEV) { + } else if (param->direction == DMA_MEM_TO_DEV) { memset(&slave_config, 0, sizeof(struct dma_slave_config)); - slave_config.direction = info->direction; - slave_config.dst_addr = info->fifo; - slave_config.dst_addr_width = info->width; + slave_config.direction = param->direction; + slave_config.dst_addr = param->fifo; + slave_config.dst_addr_width = param->width; slave_config.dst_maxburst = 1; dmaengine_slave_config(chan, &slave_config); + } else { + pr_warn("unsupported direction\n"); + return -EINVAL; } - return (unsigned)chan; -} - -static int samsung_dmadev_release(unsigned ch, - struct s3c2410_dma_client *client) -{ - dma_release_channel((struct dma_chan *)ch); - return 0; } static int samsung_dmadev_prepare(unsigned ch, - struct samsung_dma_prep_info *info) + struct samsung_dma_prep *param) { struct scatterlist sg; struct dma_chan *chan = (struct dma_chan *)ch; struct dma_async_tx_descriptor *desc; - switch (info->cap) { + switch (param->cap) { case DMA_SLAVE: sg_init_table(&sg, 1); - sg_dma_len(&sg) = info->len; - sg_set_page(&sg, pfn_to_page(PFN_DOWN(info->buf)), - info->len, offset_in_page(info->buf)); - sg_dma_address(&sg) = info->buf; + sg_dma_len(&sg) = param->len; + sg_set_page(&sg, pfn_to_page(PFN_DOWN(param->buf)), + param->len, offset_in_page(param->buf)); + sg_dma_address(&sg) = param->buf; desc = dmaengine_prep_slave_sg(chan, - &sg, 1, info->direction, DMA_PREP_INTERRUPT); + &sg, 1, param->direction, DMA_PREP_INTERRUPT); break; case DMA_CYCLIC: - desc = dmaengine_prep_dma_cyclic(chan, - info->buf, info->len, info->period, info->direction); + desc = dmaengine_prep_dma_cyclic(chan, param->buf, + param->len, param->period, param->direction); break; default: dev_err(&chan->dev->device, "unsupported format\n"); @@ -96,8 +103,8 @@ static int samsung_dmadev_prepare(unsigned ch, return -EFAULT; } - desc->callback = info->fp; - desc->callback_param = info->fp_param; + desc->callback = param->fp; + desc->callback_param = param->fp_param; dmaengine_submit((struct dma_async_tx_descriptor *)desc); @@ -119,6 +126,7 @@ static inline int samsung_dmadev_flush(unsigned ch) static struct samsung_dma_ops dmadev_ops = { .request = samsung_dmadev_request, .release = samsung_dmadev_release, + .config = samsung_dmadev_config, .prepare = samsung_dmadev_prepare, .trigger = samsung_dmadev_trigger, .started = NULL, diff --git a/arch/arm/plat-samsung/include/plat/dma-ops.h b/arch/arm/plat-samsung/include/plat/dma-ops.h index 71a6827c7706b21e10200bd834b5dbaad1fa9e45..f5144cdd300106b5afb936015a35251eae1d2de9 100644 --- a/arch/arm/plat-samsung/include/plat/dma-ops.h +++ b/arch/arm/plat-samsung/include/plat/dma-ops.h @@ -16,7 +16,13 @@ #include #include -struct samsung_dma_prep_info { +struct samsung_dma_req { + enum dma_transaction_type cap; + struct property *dt_dmach_prop; + struct s3c2410_dma_client *client; +}; + +struct samsung_dma_prep { enum dma_transaction_type cap; enum dma_transfer_direction direction; dma_addr_t buf; @@ -26,19 +32,17 @@ struct samsung_dma_prep_info { void *fp_param; }; -struct samsung_dma_info { - enum dma_transaction_type cap; +struct samsung_dma_config { enum dma_transfer_direction direction; enum dma_slave_buswidth width; dma_addr_t fifo; - struct s3c2410_dma_client *client; - struct property *dt_dmach_prop; }; struct samsung_dma_ops { - unsigned (*request)(enum dma_ch ch, struct samsung_dma_info *info); - int (*release)(unsigned ch, struct s3c2410_dma_client *client); - int (*prepare)(unsigned ch, struct samsung_dma_prep_info *info); + unsigned (*request)(enum dma_ch ch, struct samsung_dma_req *param); + int (*release)(unsigned ch, void *param); + int (*config)(unsigned ch, struct samsung_dma_config *param); + int (*prepare)(unsigned ch, struct samsung_dma_prep *param); int (*trigger)(unsigned ch); int (*started)(unsigned ch); int (*flush)(unsigned ch); diff --git a/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h b/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h index fa95e9a009729f41ddd1c39174e4f6908f515226..ceba18d23a5a530ef233f5f5ecfe0e987cb87274 100644 --- a/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h +++ b/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h @@ -18,7 +18,6 @@ struct platform_device; * @fb_delay: Slave specific feedback delay. * Refer to FB_CLK_SEL register definition in SPI chapter. * @line: Custom 'identity' of the CS line. - * @set_level: CS line control. * * This is per SPI-Slave Chipselect information. * Allocate and initialize one in machine init code and make the @@ -27,57 +26,41 @@ struct platform_device; struct s3c64xx_spi_csinfo { u8 fb_delay; unsigned line; - void (*set_level)(unsigned line_id, int lvl); }; /** * struct s3c64xx_spi_info - SPI Controller defining structure * @src_clk_nr: Clock source index for the CLK_CFG[SPI_CLKSEL] field. - * @clk_from_cmu: If the SPI clock/prescalar control block is present - * by the platform's clock-management-unit and not in SPI controller. * @num_cs: Number of CS this controller emulates. * @cfg_gpio: Configure pins for this SPI controller. - * @fifo_lvl_mask: All tx fifo_lvl fields start at offset-6 - * @rx_lvl_offset: Depends on tx fifo_lvl field and bus number - * @high_speed: If the controller supports HIGH_SPEED_EN bit - * @tx_st_done: Depends on tx fifo_lvl field */ struct s3c64xx_spi_info { int src_clk_nr; - bool clk_from_cmu; - int num_cs; - - int (*cfg_gpio)(struct platform_device *pdev); - - /* Following two fields are for future compatibility */ - int fifo_lvl_mask; - int rx_lvl_offset; - int high_speed; - int tx_st_done; + int (*cfg_gpio)(void); }; /** * s3c64xx_spi_set_platdata - SPI Controller configure callback by the board * initialization code. - * @pd: SPI platform data to set. + * @cfg_gpio: Pointer to gpio setup function. * @src_clk_nr: Clock the SPI controller is to use to generate SPI clocks. * @num_cs: Number of elements in the 'cs' array. * * Call this from machine init code for each SPI Controller that * has some chips attached to it. */ -extern void s3c64xx_spi0_set_platdata(struct s3c64xx_spi_info *pd, - int src_clk_nr, int num_cs); -extern void s3c64xx_spi1_set_platdata(struct s3c64xx_spi_info *pd, - int src_clk_nr, int num_cs); -extern void s3c64xx_spi2_set_platdata(struct s3c64xx_spi_info *pd, - int src_clk_nr, int num_cs); +extern void s3c64xx_spi0_set_platdata(int (*cfg_gpio)(void), int src_clk_nr, + int num_cs); +extern void s3c64xx_spi1_set_platdata(int (*cfg_gpio)(void), int src_clk_nr, + int num_cs); +extern void s3c64xx_spi2_set_platdata(int (*cfg_gpio)(void), int src_clk_nr, + int num_cs); /* defined by architecture to configure gpio */ -extern int s3c64xx_spi0_cfg_gpio(struct platform_device *dev); -extern int s3c64xx_spi1_cfg_gpio(struct platform_device *dev); -extern int s3c64xx_spi2_cfg_gpio(struct platform_device *dev); +extern int s3c64xx_spi0_cfg_gpio(void); +extern int s3c64xx_spi1_cfg_gpio(void); +extern int s3c64xx_spi2_cfg_gpio(void); extern struct s3c64xx_spi_info s3c64xx_spi0_pdata; extern struct s3c64xx_spi_info s3c64xx_spi1_pdata; diff --git a/arch/arm/plat-samsung/s3c-dma-ops.c b/arch/arm/plat-samsung/s3c-dma-ops.c index 78149491282749adf6c71051c1321c35c9404077..f99448c48d30dc93d1dcd7a3f9658b523a9e10dd 100644 --- a/arch/arm/plat-samsung/s3c-dma-ops.c +++ b/arch/arm/plat-samsung/s3c-dma-ops.c @@ -36,30 +36,26 @@ static void s3c_dma_cb(struct s3c2410_dma_chan *channel, void *param, } static unsigned s3c_dma_request(enum dma_ch dma_ch, - struct samsung_dma_info *info) + struct samsung_dma_req *param) { struct cb_data *data; - if (s3c2410_dma_request(dma_ch, info->client, NULL) < 0) { - s3c2410_dma_free(dma_ch, info->client); + if (s3c2410_dma_request(dma_ch, param->client, NULL) < 0) { + s3c2410_dma_free(dma_ch, param->client); return 0; } + if (param->cap == DMA_CYCLIC) + s3c2410_dma_setflags(dma_ch, S3C2410_DMAF_CIRCULAR); + data = kzalloc(sizeof(struct cb_data), GFP_KERNEL); data->ch = dma_ch; list_add_tail(&data->node, &dma_list); - s3c2410_dma_devconfig(dma_ch, info->direction, info->fifo); - - if (info->cap == DMA_CYCLIC) - s3c2410_dma_setflags(dma_ch, S3C2410_DMAF_CIRCULAR); - - s3c2410_dma_config(dma_ch, info->width); - return (unsigned)dma_ch; } -static int s3c_dma_release(unsigned ch, struct s3c2410_dma_client *client) +static int s3c_dma_release(unsigned ch, void *param) { struct cb_data *data; @@ -68,16 +64,24 @@ static int s3c_dma_release(unsigned ch, struct s3c2410_dma_client *client) break; list_del(&data->node); - s3c2410_dma_free(ch, client); + s3c2410_dma_free(ch, param); kfree(data); return 0; } -static int s3c_dma_prepare(unsigned ch, struct samsung_dma_prep_info *info) +static int s3c_dma_config(unsigned ch, struct samsung_dma_config *param) +{ + s3c2410_dma_devconfig(ch, param->direction, param->fifo); + s3c2410_dma_config(ch, param->width); + + return 0; +} + +static int s3c_dma_prepare(unsigned ch, struct samsung_dma_prep *param) { struct cb_data *data; - int len = (info->cap == DMA_CYCLIC) ? info->period : info->len; + int len = (param->cap == DMA_CYCLIC) ? param->period : param->len; list_for_each_entry(data, &dma_list, node) if (data->ch == ch) @@ -85,11 +89,11 @@ static int s3c_dma_prepare(unsigned ch, struct samsung_dma_prep_info *info) if (!data->fp) { s3c2410_dma_set_buffdone_fn(ch, s3c_dma_cb); - data->fp = info->fp; - data->fp_param = info->fp_param; + data->fp = param->fp; + data->fp_param = param->fp_param; } - s3c2410_dma_enqueue(ch, (void *)data, info->buf, len); + s3c2410_dma_enqueue(ch, (void *)data, param->buf, len); return 0; } @@ -117,6 +121,7 @@ static inline int s3c_dma_stop(unsigned ch) static struct samsung_dma_ops s3c_dma_ops = { .request = s3c_dma_request, .release = s3c_dma_release, + .config = s3c_dma_config, .prepare = s3c_dma_prepare, .trigger = s3c_dma_trigger, .started = s3c_dma_started, diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c index 972a94c58be3be01315af2f40aad90a067d4643d..0dedbbdb153ac7ed17d590cb956195bc58ee5911 100644 --- a/drivers/spi/spi-s3c64xx.c +++ b/drivers/spi/spi-s3c64xx.c @@ -27,10 +27,15 @@ #include #include #include +#include +#include +#include #include #include +#define MAX_SPI_PORTS 3 + /* Registers and bit-fields */ #define S3C64XX_SPI_CH_CFG 0x00 @@ -113,13 +118,12 @@ #define S3C64XX_SPI_FBCLK_MSK (3<<0) -#define S3C64XX_SPI_ST_TRLCNTZ(v, i) ((((v) >> (i)->rx_lvl_offset) & \ - (((i)->fifo_lvl_mask + 1))) \ - ? 1 : 0) - -#define S3C64XX_SPI_ST_TX_DONE(v, i) (((v) & (1 << (i)->tx_st_done)) ? 1 : 0) -#define TX_FIFO_LVL(v, i) (((v) >> 6) & (i)->fifo_lvl_mask) -#define RX_FIFO_LVL(v, i) (((v) >> (i)->rx_lvl_offset) & (i)->fifo_lvl_mask) +#define FIFO_LVL_MASK(i) ((i)->port_conf->fifo_lvl_mask[i->port_id]) +#define S3C64XX_SPI_ST_TX_DONE(v, i) (((v) & \ + (1 << (i)->port_conf->tx_st_done)) ? 1 : 0) +#define TX_FIFO_LVL(v, i) (((v) >> 6) & FIFO_LVL_MASK(i)) +#define RX_FIFO_LVL(v, i) (((v) >> (i)->port_conf->rx_lvl_offset) & \ + FIFO_LVL_MASK(i)) #define S3C64XX_SPI_MAX_TRAILCNT 0x3ff #define S3C64XX_SPI_TRAILCNT_OFF 19 @@ -135,6 +139,29 @@ struct s3c64xx_spi_dma_data { unsigned ch; enum dma_data_direction direction; enum dma_ch dmach; + struct property *dma_prop; +}; + +/** + * struct s3c64xx_spi_info - SPI Controller hardware info + * @fifo_lvl_mask: Bit-mask for {TX|RX}_FIFO_LVL bits in SPI_STATUS register. + * @rx_lvl_offset: Bit offset of RX_FIFO_LVL bits in SPI_STATUS regiter. + * @tx_st_done: Bit offset of TX_DONE bit in SPI_STATUS regiter. + * @high_speed: True, if the controller supports HIGH_SPEED_EN bit. + * @clk_from_cmu: True, if the controller does not include a clock mux and + * prescaler unit. + * + * The Samsung s3c64xx SPI controller are used on various Samsung SoC's but + * differ in some aspects such as the size of the fifo and spi bus clock + * setup. Such differences are specified to the driver using this structure + * which is provided as driver data to the driver. + */ +struct s3c64xx_spi_port_config { + int fifo_lvl_mask[MAX_SPI_PORTS]; + int rx_lvl_offset; + int tx_st_done; + bool high_speed; + bool clk_from_cmu; }; /** @@ -175,6 +202,9 @@ struct s3c64xx_spi_driver_data { struct s3c64xx_spi_dma_data rx_dma; struct s3c64xx_spi_dma_data tx_dma; struct samsung_dma_ops *ops; + struct s3c64xx_spi_port_config *port_conf; + unsigned int port_id; + unsigned long gpios[4]; }; static struct s3c2410_dma_client s3c64xx_spi_dma_client = { @@ -183,7 +213,6 @@ static struct s3c2410_dma_client s3c64xx_spi_dma_client = { static void flush_fifo(struct s3c64xx_spi_driver_data *sdd) { - struct s3c64xx_spi_info *sci = sdd->cntrlr_info; void __iomem *regs = sdd->regs; unsigned long loops; u32 val; @@ -199,7 +228,7 @@ static void flush_fifo(struct s3c64xx_spi_driver_data *sdd) loops = msecs_to_loops(1); do { val = readl(regs + S3C64XX_SPI_STATUS); - } while (TX_FIFO_LVL(val, sci) && loops--); + } while (TX_FIFO_LVL(val, sdd) && loops--); if (loops == 0) dev_warn(&sdd->pdev->dev, "Timed out flushing TX FIFO\n"); @@ -208,7 +237,7 @@ static void flush_fifo(struct s3c64xx_spi_driver_data *sdd) loops = msecs_to_loops(1); do { val = readl(regs + S3C64XX_SPI_STATUS); - if (RX_FIFO_LVL(val, sci)) + if (RX_FIFO_LVL(val, sdd)) readl(regs + S3C64XX_SPI_RX_DATA); else break; @@ -262,14 +291,24 @@ static void prepare_dma(struct s3c64xx_spi_dma_data *dma, unsigned len, dma_addr_t buf) { struct s3c64xx_spi_driver_data *sdd; - struct samsung_dma_prep_info info; + struct samsung_dma_prep info; + struct samsung_dma_config config; - if (dma->direction == DMA_DEV_TO_MEM) + if (dma->direction == DMA_DEV_TO_MEM) { sdd = container_of((void *)dma, struct s3c64xx_spi_driver_data, rx_dma); - else + config.direction = sdd->rx_dma.direction; + config.fifo = sdd->sfr_start + S3C64XX_SPI_RX_DATA; + config.width = sdd->cur_bpw / 8; + sdd->ops->config(sdd->rx_dma.ch, &config); + } else { sdd = container_of((void *)dma, struct s3c64xx_spi_driver_data, tx_dma); + config.direction = sdd->tx_dma.direction; + config.fifo = sdd->sfr_start + S3C64XX_SPI_TX_DATA; + config.width = sdd->cur_bpw / 8; + sdd->ops->config(sdd->tx_dma.ch, &config); + } info.cap = DMA_SLAVE; info.len = len; @@ -284,20 +323,17 @@ static void prepare_dma(struct s3c64xx_spi_dma_data *dma, static int acquire_dma(struct s3c64xx_spi_driver_data *sdd) { - struct samsung_dma_info info; + struct samsung_dma_req req; sdd->ops = samsung_dma_get_ops(); - info.cap = DMA_SLAVE; - info.client = &s3c64xx_spi_dma_client; - info.width = sdd->cur_bpw / 8; + req.cap = DMA_SLAVE; + req.client = &s3c64xx_spi_dma_client; - info.direction = sdd->rx_dma.direction; - info.fifo = sdd->sfr_start + S3C64XX_SPI_RX_DATA; - sdd->rx_dma.ch = sdd->ops->request(sdd->rx_dma.dmach, &info); - info.direction = sdd->tx_dma.direction; - info.fifo = sdd->sfr_start + S3C64XX_SPI_TX_DATA; - sdd->tx_dma.ch = sdd->ops->request(sdd->tx_dma.dmach, &info); + req.dt_dmach_prop = sdd->rx_dma.dma_prop; + sdd->rx_dma.ch = sdd->ops->request(sdd->rx_dma.dmach, &req); + req.dt_dmach_prop = sdd->tx_dma.dma_prop; + sdd->tx_dma.ch = sdd->ops->request(sdd->tx_dma.dmach, &req); return 1; } @@ -306,7 +342,6 @@ static void enable_datapath(struct s3c64xx_spi_driver_data *sdd, struct spi_device *spi, struct spi_transfer *xfer, int dma_mode) { - struct s3c64xx_spi_info *sci = sdd->cntrlr_info; void __iomem *regs = sdd->regs; u32 modecfg, chcfg; @@ -356,7 +391,7 @@ static void enable_datapath(struct s3c64xx_spi_driver_data *sdd, if (xfer->rx_buf != NULL) { sdd->state |= RXBUSY; - if (sci->high_speed && sdd->cur_speed >= 30000000UL + if (sdd->port_conf->high_speed && sdd->cur_speed >= 30000000UL && !(sdd->cur_mode & SPI_CPHA)) chcfg |= S3C64XX_SPI_CH_HS_EN; @@ -383,20 +418,19 @@ static inline void enable_cs(struct s3c64xx_spi_driver_data *sdd, if (sdd->tgl_spi != spi) { /* if last mssg on diff device */ /* Deselect the last toggled device */ cs = sdd->tgl_spi->controller_data; - cs->set_level(cs->line, - spi->mode & SPI_CS_HIGH ? 0 : 1); + gpio_set_value(cs->line, + spi->mode & SPI_CS_HIGH ? 0 : 1); } sdd->tgl_spi = NULL; } cs = spi->controller_data; - cs->set_level(cs->line, spi->mode & SPI_CS_HIGH ? 1 : 0); + gpio_set_value(cs->line, spi->mode & SPI_CS_HIGH ? 1 : 0); } static int wait_for_xfer(struct s3c64xx_spi_driver_data *sdd, struct spi_transfer *xfer, int dma_mode) { - struct s3c64xx_spi_info *sci = sdd->cntrlr_info; void __iomem *regs = sdd->regs; unsigned long val; int ms; @@ -413,7 +447,7 @@ static int wait_for_xfer(struct s3c64xx_spi_driver_data *sdd, val = msecs_to_loops(ms); do { status = readl(regs + S3C64XX_SPI_STATUS); - } while (RX_FIFO_LVL(status, sci) < xfer->len && --val); + } while (RX_FIFO_LVL(status, sdd) < xfer->len && --val); } if (!val) @@ -432,8 +466,8 @@ static int wait_for_xfer(struct s3c64xx_spi_driver_data *sdd, if (xfer->rx_buf == NULL) { val = msecs_to_loops(10); status = readl(regs + S3C64XX_SPI_STATUS); - while ((TX_FIFO_LVL(status, sci) - || !S3C64XX_SPI_ST_TX_DONE(status, sci)) + while ((TX_FIFO_LVL(status, sdd) + || !S3C64XX_SPI_ST_TX_DONE(status, sdd)) && --val) { cpu_relax(); status = readl(regs + S3C64XX_SPI_STATUS); @@ -477,17 +511,16 @@ static inline void disable_cs(struct s3c64xx_spi_driver_data *sdd, if (sdd->tgl_spi == spi) sdd->tgl_spi = NULL; - cs->set_level(cs->line, spi->mode & SPI_CS_HIGH ? 0 : 1); + gpio_set_value(cs->line, spi->mode & SPI_CS_HIGH ? 0 : 1); } static void s3c64xx_spi_config(struct s3c64xx_spi_driver_data *sdd) { - struct s3c64xx_spi_info *sci = sdd->cntrlr_info; void __iomem *regs = sdd->regs; u32 val; /* Disable Clock */ - if (sci->clk_from_cmu) { + if (sdd->port_conf->clk_from_cmu) { clk_disable(sdd->src_clk); } else { val = readl(regs + S3C64XX_SPI_CLK_CFG); @@ -531,7 +564,7 @@ static void s3c64xx_spi_config(struct s3c64xx_spi_driver_data *sdd) writel(val, regs + S3C64XX_SPI_MODE_CFG); - if (sci->clk_from_cmu) { + if (sdd->port_conf->clk_from_cmu) { /* Configure Clock */ /* There is half-multiplier before the SPI */ clk_set_rate(sdd->src_clk, sdd->cur_speed * 2); @@ -557,7 +590,6 @@ static void s3c64xx_spi_config(struct s3c64xx_spi_driver_data *sdd) static int s3c64xx_spi_map_mssg(struct s3c64xx_spi_driver_data *sdd, struct spi_message *msg) { - struct s3c64xx_spi_info *sci = sdd->cntrlr_info; struct device *dev = &sdd->pdev->dev; struct spi_transfer *xfer; @@ -573,7 +605,7 @@ static int s3c64xx_spi_map_mssg(struct s3c64xx_spi_driver_data *sdd, /* Map until end or first fail */ list_for_each_entry(xfer, &msg->transfers, transfer_list) { - if (xfer->len <= ((sci->fifo_lvl_mask >> 1) + 1)) + if (xfer->len <= ((FIFO_LVL_MASK(sdd) >> 1) + 1)) continue; if (xfer->tx_buf != NULL) { @@ -607,7 +639,6 @@ static int s3c64xx_spi_map_mssg(struct s3c64xx_spi_driver_data *sdd, static void s3c64xx_spi_unmap_mssg(struct s3c64xx_spi_driver_data *sdd, struct spi_message *msg) { - struct s3c64xx_spi_info *sci = sdd->cntrlr_info; struct device *dev = &sdd->pdev->dev; struct spi_transfer *xfer; @@ -616,7 +647,7 @@ static void s3c64xx_spi_unmap_mssg(struct s3c64xx_spi_driver_data *sdd, list_for_each_entry(xfer, &msg->transfers, transfer_list) { - if (xfer->len <= ((sci->fifo_lvl_mask >> 1) + 1)) + if (xfer->len <= ((FIFO_LVL_MASK(sdd) >> 1) + 1)) continue; if (xfer->rx_buf != NULL @@ -635,7 +666,6 @@ static int s3c64xx_spi_transfer_one_message(struct spi_master *master, struct spi_message *msg) { struct s3c64xx_spi_driver_data *sdd = spi_master_get_devdata(master); - struct s3c64xx_spi_info *sci = sdd->cntrlr_info; struct spi_device *spi = msg->spi; struct s3c64xx_spi_csinfo *cs = spi->controller_data; struct spi_transfer *xfer; @@ -690,7 +720,7 @@ static int s3c64xx_spi_transfer_one_message(struct spi_master *master, } /* Polling method for xfers not bigger than FIFO capacity */ - if (xfer->len <= ((sci->fifo_lvl_mask >> 1) + 1)) + if (xfer->len <= ((FIFO_LVL_MASK(sdd) >> 1) + 1)) use_dma = 0; else use_dma = 1; @@ -795,6 +825,48 @@ static int s3c64xx_spi_unprepare_transfer(struct spi_master *spi) return 0; } +static struct s3c64xx_spi_csinfo *s3c64xx_get_slave_ctrldata( + struct s3c64xx_spi_driver_data *sdd, + struct spi_device *spi) +{ + struct s3c64xx_spi_csinfo *cs; + struct device_node *slave_np, *data_np; + u32 fb_delay = 0; + + slave_np = spi->dev.of_node; + if (!slave_np) { + dev_err(&spi->dev, "device node not found\n"); + return ERR_PTR(-EINVAL); + } + + for_each_child_of_node(slave_np, data_np) + if (!strcmp(data_np->name, "controller-data")) + break; + if (!data_np) { + dev_err(&spi->dev, "child node 'controller-data' not found\n"); + return ERR_PTR(-EINVAL); + } + + cs = kzalloc(sizeof(*cs), GFP_KERNEL); + if (!cs) { + dev_err(&spi->dev, "could not allocate memory for controller" + " data\n"); + return ERR_PTR(-ENOMEM); + } + + cs->line = of_get_named_gpio(data_np, "cs-gpio", 0); + if (!gpio_is_valid(cs->line)) { + dev_err(&spi->dev, "chip select gpio is not specified or " + "invalid\n"); + kfree(cs); + return ERR_PTR(-EINVAL); + } + + of_property_read_u32(data_np, "samsung,spi-feedback-delay", &fb_delay); + cs->fb_delay = fb_delay; + return cs; +} + /* * Here we only check the validity of requested configuration * and save the configuration in a local data-structure. @@ -808,14 +880,30 @@ static int s3c64xx_spi_setup(struct spi_device *spi) struct s3c64xx_spi_info *sci; struct spi_message *msg; unsigned long flags; - int err = 0; + int err; - if (cs == NULL || cs->set_level == NULL) { + sdd = spi_master_get_devdata(spi->master); + if (!cs && spi->dev.of_node) { + cs = s3c64xx_get_slave_ctrldata(sdd, spi); + spi->controller_data = cs; + } + + if (IS_ERR_OR_NULL(cs)) { dev_err(&spi->dev, "No CS for SPI(%d)\n", spi->chip_select); return -ENODEV; } - sdd = spi_master_get_devdata(spi->master); + if (!spi_get_ctldata(spi)) { + err = gpio_request(cs->line, dev_name(&spi->dev)); + if (err) { + dev_err(&spi->dev, "request for slave select gpio " + "line [%d] failed\n", cs->line); + err = -EBUSY; + goto err_gpio_req; + } + spi_set_ctldata(spi, cs); + } + sci = sdd->cntrlr_info; spin_lock_irqsave(&sdd->lock, flags); @@ -826,7 +914,8 @@ static int s3c64xx_spi_setup(struct spi_device *spi) dev_err(&spi->dev, "setup: attempt while mssg in queue!\n"); spin_unlock_irqrestore(&sdd->lock, flags); - return -EBUSY; + err = -EBUSY; + goto err_msgq; } } @@ -844,7 +933,7 @@ static int s3c64xx_spi_setup(struct spi_device *spi) pm_runtime_get_sync(&sdd->pdev->dev); /* Check if we can provide the requested rate */ - if (!sci->clk_from_cmu) { + if (!sdd->port_conf->clk_from_cmu) { u32 psr, speed; /* Max possible */ @@ -869,22 +958,44 @@ static int s3c64xx_spi_setup(struct spi_device *spi) } speed = clk_get_rate(sdd->src_clk) / 2 / (psr + 1); - if (spi->max_speed_hz >= speed) + if (spi->max_speed_hz >= speed) { spi->max_speed_hz = speed; - else + } else { err = -EINVAL; + goto setup_exit; + } } pm_runtime_put(&sdd->pdev->dev); + disable_cs(sdd, spi); + return 0; setup_exit: - /* setup() returns with device de-selected */ disable_cs(sdd, spi); +err_msgq: + gpio_free(cs->line); + spi_set_ctldata(spi, NULL); + +err_gpio_req: + kfree(cs); + return err; } +static void s3c64xx_spi_cleanup(struct spi_device *spi) +{ + struct s3c64xx_spi_csinfo *cs = spi_get_ctldata(spi); + + if (cs) { + gpio_free(cs->line); + if (spi->dev.of_node) + kfree(cs); + } + spi_set_ctldata(spi, NULL); +} + static irqreturn_t s3c64xx_spi_irq(int irq, void *data) { struct s3c64xx_spi_driver_data *sdd = data; @@ -925,7 +1036,7 @@ static void s3c64xx_spi_hwinit(struct s3c64xx_spi_driver_data *sdd, int channel) /* Disable Interrupts - we use Polling if not DMA mode */ writel(0, regs + S3C64XX_SPI_INT_EN); - if (!sci->clk_from_cmu) + if (!sdd->port_conf->clk_from_cmu) writel(sci->src_clk_nr << S3C64XX_SPI_CLKSEL_SRCSHFT, regs + S3C64XX_SPI_CLK_CFG); writel(0, regs + S3C64XX_SPI_MODE_CFG); @@ -946,40 +1057,164 @@ static void s3c64xx_spi_hwinit(struct s3c64xx_spi_driver_data *sdd, int channel) flush_fifo(sdd); } -static int __init s3c64xx_spi_probe(struct platform_device *pdev) +static int __devinit s3c64xx_spi_get_dmares( + struct s3c64xx_spi_driver_data *sdd, bool tx) +{ + struct platform_device *pdev = sdd->pdev; + struct s3c64xx_spi_dma_data *dma_data; + struct property *prop; + struct resource *res; + char prop_name[15], *chan_str; + + if (tx) { + dma_data = &sdd->tx_dma; + dma_data->direction = DMA_TO_DEVICE; + chan_str = "tx"; + } else { + dma_data = &sdd->rx_dma; + dma_data->direction = DMA_FROM_DEVICE; + chan_str = "rx"; + } + + if (!sdd->pdev->dev.of_node) { + res = platform_get_resource(pdev, IORESOURCE_DMA, tx ? 0 : 1); + if (!res) { + dev_err(&pdev->dev, "Unable to get SPI-%s dma " + "resource\n", chan_str); + return -ENXIO; + } + dma_data->dmach = res->start; + return 0; + } + + sprintf(prop_name, "%s-dma-channel", chan_str); + prop = of_find_property(pdev->dev.of_node, prop_name, NULL); + if (!prop) { + dev_err(&pdev->dev, "%s dma channel property not specified\n", + chan_str); + return -ENXIO; + } + + dma_data->dmach = DMACH_DT_PROP; + dma_data->dma_prop = prop; + return 0; +} + +#ifdef CONFIG_OF +static int s3c64xx_spi_parse_dt_gpio(struct s3c64xx_spi_driver_data *sdd) +{ + struct device *dev = &sdd->pdev->dev; + int idx, gpio, ret; + + /* find gpios for mosi, miso and clock lines */ + for (idx = 0; idx < 3; idx++) { + gpio = of_get_gpio(dev->of_node, idx); + if (!gpio_is_valid(gpio)) { + dev_err(dev, "invalid gpio[%d]: %d\n", idx, gpio); + goto free_gpio; + } + + ret = gpio_request(gpio, "spi-bus"); + if (ret) { + dev_err(dev, "gpio [%d] request failed\n", gpio); + goto free_gpio; + } + } + return 0; + +free_gpio: + while (--idx >= 0) + gpio_free(sdd->gpios[idx]); + return -EINVAL; +} + +static void s3c64xx_spi_dt_gpio_free(struct s3c64xx_spi_driver_data *sdd) +{ + unsigned int idx; + for (idx = 0; idx < 3; idx++) + gpio_free(sdd->gpios[idx]); +} + +static struct __devinit s3c64xx_spi_info * s3c64xx_spi_parse_dt( + struct device *dev) { - struct resource *mem_res, *dmatx_res, *dmarx_res; - struct s3c64xx_spi_driver_data *sdd; struct s3c64xx_spi_info *sci; - struct spi_master *master; - int ret, irq; - char clk_name[16]; + u32 temp; - if (pdev->id < 0) { - dev_err(&pdev->dev, - "Invalid platform device id-%d\n", pdev->id); - return -ENODEV; + sci = devm_kzalloc(dev, sizeof(*sci), GFP_KERNEL); + if (!sci) { + dev_err(dev, "memory allocation for spi_info failed\n"); + return ERR_PTR(-ENOMEM); } - if (pdev->dev.platform_data == NULL) { - dev_err(&pdev->dev, "platform_data missing!\n"); - return -ENODEV; + if (of_property_read_u32(dev->of_node, "samsung,spi-src-clk", &temp)) { + dev_warn(dev, "spi bus clock parent not specified, using " + "clock at index 0 as parent\n"); + sci->src_clk_nr = 0; + } else { + sci->src_clk_nr = temp; } - sci = pdev->dev.platform_data; + if (of_property_read_u32(dev->of_node, "num-cs", &temp)) { + dev_warn(dev, "number of chip select lines not specified, " + "assuming 1 chip select line\n"); + sci->num_cs = 1; + } else { + sci->num_cs = temp; + } - /* Check for availability of necessary resource */ + return sci; +} +#else +static struct s3c64xx_spi_info *s3c64xx_spi_parse_dt(struct device *dev) +{ + return dev->platform_data; +} - dmatx_res = platform_get_resource(pdev, IORESOURCE_DMA, 0); - if (dmatx_res == NULL) { - dev_err(&pdev->dev, "Unable to get SPI-Tx dma resource\n"); - return -ENXIO; +static int s3c64xx_spi_parse_dt_gpio(struct s3c64xx_spi_driver_data *sdd) +{ + return -EINVAL; +} + +static void s3c64xx_spi_dt_gpio_free(struct s3c64xx_spi_driver_data *sdd) +{ +} +#endif + +static const struct of_device_id s3c64xx_spi_dt_match[]; + +static inline struct s3c64xx_spi_port_config *s3c64xx_spi_get_port_config( + struct platform_device *pdev) +{ +#ifdef CONFIG_OF + if (pdev->dev.of_node) { + const struct of_device_id *match; + match = of_match_node(s3c64xx_spi_dt_match, pdev->dev.of_node); + return (struct s3c64xx_spi_port_config *)match->data; } +#endif + return (struct s3c64xx_spi_port_config *) + platform_get_device_id(pdev)->driver_data; +} - dmarx_res = platform_get_resource(pdev, IORESOURCE_DMA, 1); - if (dmarx_res == NULL) { - dev_err(&pdev->dev, "Unable to get SPI-Rx dma resource\n"); - return -ENXIO; +static int __init s3c64xx_spi_probe(struct platform_device *pdev) +{ + struct resource *mem_res; + struct s3c64xx_spi_driver_data *sdd; + struct s3c64xx_spi_info *sci = pdev->dev.platform_data; + struct spi_master *master; + int ret, irq; + char clk_name[16]; + + if (!sci && pdev->dev.of_node) { + sci = s3c64xx_spi_parse_dt(&pdev->dev); + if (IS_ERR(sci)) + return PTR_ERR(sci); + } + + if (!sci) { + dev_err(&pdev->dev, "platform_data missing!\n"); + return -ENODEV; } mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0); @@ -1004,19 +1239,37 @@ static int __init s3c64xx_spi_probe(struct platform_device *pdev) platform_set_drvdata(pdev, master); sdd = spi_master_get_devdata(master); + sdd->port_conf = s3c64xx_spi_get_port_config(pdev); sdd->master = master; sdd->cntrlr_info = sci; sdd->pdev = pdev; sdd->sfr_start = mem_res->start; - sdd->tx_dma.dmach = dmatx_res->start; - sdd->tx_dma.direction = DMA_MEM_TO_DEV; - sdd->rx_dma.dmach = dmarx_res->start; - sdd->rx_dma.direction = DMA_DEV_TO_MEM; + if (pdev->dev.of_node) { + ret = of_alias_get_id(pdev->dev.of_node, "spi"); + if (ret < 0) { + dev_err(&pdev->dev, "failed to get alias id, " + "errno %d\n", ret); + goto err0; + } + sdd->port_id = ret; + } else { + sdd->port_id = pdev->id; + } sdd->cur_bpw = 8; - master->bus_num = pdev->id; + ret = s3c64xx_spi_get_dmares(sdd, true); + if (ret) + goto err0; + + ret = s3c64xx_spi_get_dmares(sdd, false); + if (ret) + goto err0; + + master->dev.of_node = pdev->dev.of_node; + master->bus_num = sdd->port_id; master->setup = s3c64xx_spi_setup; + master->cleanup = s3c64xx_spi_cleanup; master->prepare_transfer_hardware = s3c64xx_spi_prepare_transfer; master->transfer_one_message = s3c64xx_spi_transfer_one_message; master->unprepare_transfer_hardware = s3c64xx_spi_unprepare_transfer; @@ -1039,7 +1292,10 @@ static int __init s3c64xx_spi_probe(struct platform_device *pdev) goto err1; } - if (sci->cfg_gpio == NULL || sci->cfg_gpio(pdev)) { + if (!sci->cfg_gpio && pdev->dev.of_node) { + if (s3c64xx_spi_parse_dt_gpio(sdd)) + return -EBUSY; + } else if (sci->cfg_gpio == NULL || sci->cfg_gpio()) { dev_err(&pdev->dev, "Unable to config gpio\n"); ret = -EBUSY; goto err2; @@ -1075,7 +1331,7 @@ static int __init s3c64xx_spi_probe(struct platform_device *pdev) } /* Setup Deufult Mode */ - s3c64xx_spi_hwinit(sdd, pdev->id); + s3c64xx_spi_hwinit(sdd, sdd->port_id); spin_lock_init(&sdd->lock); init_completion(&sdd->xfer_completion); @@ -1100,7 +1356,7 @@ static int __init s3c64xx_spi_probe(struct platform_device *pdev) dev_dbg(&pdev->dev, "Samsung SoC SPI Driver loaded for Bus SPI-%d " "with %d Slaves attached\n", - pdev->id, master->num_chipselect); + sdd->port_id, master->num_chipselect); dev_dbg(&pdev->dev, "\tIOmem=[0x%x-0x%x]\tDMA=[Rx-%d, Tx-%d]\n", mem_res->end, mem_res->start, sdd->rx_dma.dmach, sdd->tx_dma.dmach); @@ -1120,6 +1376,8 @@ static int __init s3c64xx_spi_probe(struct platform_device *pdev) err4: clk_put(sdd->clk); err3: + if (!sdd->cntrlr_info->cfg_gpio && pdev->dev.of_node) + s3c64xx_spi_dt_gpio_free(sdd); err2: iounmap((void *) sdd->regs); err1: @@ -1151,6 +1409,9 @@ static int s3c64xx_spi_remove(struct platform_device *pdev) clk_disable(sdd->clk); clk_put(sdd->clk); + if (!sdd->cntrlr_info->cfg_gpio && pdev->dev.of_node) + s3c64xx_spi_dt_gpio_free(sdd); + iounmap((void *) sdd->regs); mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0); @@ -1175,6 +1436,9 @@ static int s3c64xx_spi_suspend(struct device *dev) clk_disable(sdd->src_clk); clk_disable(sdd->clk); + if (!sdd->cntrlr_info->cfg_gpio && dev->of_node) + s3c64xx_spi_dt_gpio_free(sdd); + sdd->cur_speed = 0; /* Output Clock is stopped */ return 0; @@ -1182,18 +1446,20 @@ static int s3c64xx_spi_suspend(struct device *dev) static int s3c64xx_spi_resume(struct device *dev) { - struct platform_device *pdev = to_platform_device(dev); struct spi_master *master = spi_master_get(dev_get_drvdata(dev)); struct s3c64xx_spi_driver_data *sdd = spi_master_get_devdata(master); struct s3c64xx_spi_info *sci = sdd->cntrlr_info; - sci->cfg_gpio(pdev); + if (!sci->cfg_gpio && dev->of_node) + s3c64xx_spi_parse_dt_gpio(sdd); + else + sci->cfg_gpio(); /* Enable the clock */ clk_enable(sdd->src_clk); clk_enable(sdd->clk); - s3c64xx_spi_hwinit(sdd, pdev->id); + s3c64xx_spi_hwinit(sdd, sdd->port_id); spi_master_resume(master); @@ -1231,13 +1497,89 @@ static const struct dev_pm_ops s3c64xx_spi_pm = { s3c64xx_spi_runtime_resume, NULL) }; +struct s3c64xx_spi_port_config s3c2443_spi_port_config = { + .fifo_lvl_mask = { 0x7f }, + .rx_lvl_offset = 13, + .tx_st_done = 21, + .high_speed = true, +}; + +struct s3c64xx_spi_port_config s3c6410_spi_port_config = { + .fifo_lvl_mask = { 0x7f, 0x7F }, + .rx_lvl_offset = 13, + .tx_st_done = 21, +}; + +struct s3c64xx_spi_port_config s5p64x0_spi_port_config = { + .fifo_lvl_mask = { 0x1ff, 0x7F }, + .rx_lvl_offset = 15, + .tx_st_done = 25, +}; + +struct s3c64xx_spi_port_config s5pc100_spi_port_config = { + .fifo_lvl_mask = { 0x7f, 0x7F }, + .rx_lvl_offset = 13, + .tx_st_done = 21, + .high_speed = true, +}; + +struct s3c64xx_spi_port_config s5pv210_spi_port_config = { + .fifo_lvl_mask = { 0x1ff, 0x7F }, + .rx_lvl_offset = 15, + .tx_st_done = 25, + .high_speed = true, +}; + +struct s3c64xx_spi_port_config exynos4_spi_port_config = { + .fifo_lvl_mask = { 0x1ff, 0x7F, 0x7F }, + .rx_lvl_offset = 15, + .tx_st_done = 25, + .high_speed = true, + .clk_from_cmu = true, +}; + +static struct platform_device_id s3c64xx_spi_driver_ids[] = { + { + .name = "s3c2443-spi", + .driver_data = (kernel_ulong_t)&s3c2443_spi_port_config, + }, { + .name = "s3c6410-spi", + .driver_data = (kernel_ulong_t)&s3c6410_spi_port_config, + }, { + .name = "s5p64x0-spi", + .driver_data = (kernel_ulong_t)&s5p64x0_spi_port_config, + }, { + .name = "s5pc100-spi", + .driver_data = (kernel_ulong_t)&s5pc100_spi_port_config, + }, { + .name = "s5pv210-spi", + .driver_data = (kernel_ulong_t)&s5pv210_spi_port_config, + }, { + .name = "exynos4210-spi", + .driver_data = (kernel_ulong_t)&exynos4_spi_port_config, + }, + { }, +}; + +#ifdef CONFIG_OF +static const struct of_device_id s3c64xx_spi_dt_match[] = { + { .compatible = "samsung,exynos4210-spi", + .data = (void *)&exynos4_spi_port_config, + }, + { }, +}; +MODULE_DEVICE_TABLE(of, s3c64xx_spi_dt_match); +#endif /* CONFIG_OF */ + static struct platform_driver s3c64xx_spi_driver = { .driver = { .name = "s3c64xx-spi", .owner = THIS_MODULE, .pm = &s3c64xx_spi_pm, + .of_match_table = of_match_ptr(s3c64xx_spi_dt_match), }, .remove = s3c64xx_spi_remove, + .id_table = s3c64xx_spi_driver_ids, }; MODULE_ALIAS("platform:s3c64xx-spi"); diff --git a/sound/soc/samsung/dma.c b/sound/soc/samsung/dma.c index ddc6cde14e2a588763531d94f22b0dab2b1d9a49..f3ebc38c10fe7633ea5ec260562b64bfdb7e402f 100644 --- a/sound/soc/samsung/dma.c +++ b/sound/soc/samsung/dma.c @@ -74,7 +74,7 @@ static void dma_enqueue(struct snd_pcm_substream *substream) struct runtime_data *prtd = substream->runtime->private_data; dma_addr_t pos = prtd->dma_pos; unsigned int limit; - struct samsung_dma_prep_info dma_info; + struct samsung_dma_prep dma_info; pr_debug("Entered %s\n", __func__); @@ -146,7 +146,8 @@ static int dma_hw_params(struct snd_pcm_substream *substream, unsigned long totbytes = params_buffer_bytes(params); struct s3c_dma_params *dma = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream); - struct samsung_dma_info dma_info; + struct samsung_dma_req req; + struct samsung_dma_config config; pr_debug("Entered %s\n", __func__); @@ -166,16 +167,17 @@ static int dma_hw_params(struct snd_pcm_substream *substream, prtd->params->ops = samsung_dma_get_ops(); - dma_info.cap = (samsung_dma_has_circular() ? + req.cap = (samsung_dma_has_circular() ? DMA_CYCLIC : DMA_SLAVE); - dma_info.client = prtd->params->client; - dma_info.direction = + req.client = prtd->params->client; + config.direction = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK ? DMA_MEM_TO_DEV : DMA_DEV_TO_MEM); - dma_info.width = prtd->params->dma_size; - dma_info.fifo = prtd->params->dma_addr; + config.width = prtd->params->dma_size; + config.fifo = prtd->params->dma_addr; prtd->params->ch = prtd->params->ops->request( - prtd->params->channel, &dma_info); + prtd->params->channel, &req); + prtd->params->ops->config(prtd->params->ch, &config); } snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);