From 8402ed30e16c65ad8560ba3293c7cf9c259712eb Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Eric=20B=C3=A9nard?= Date: Tue, 8 Jun 2010 11:03:00 +0200 Subject: [PATCH] i.MX25: add AUDMUX and SSI support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit * add clocks for audmux and ssi 1 & 2 * add irq for ssi 1 & 2 * add devices platform for ssi1 & 2 * update audmux-v2 for i.MX25 * add base addresses for audmux & ssi 1 & 2 * add iomux configuration for GPIO for AUD5 port Signed-off-by: Eric Bénard Signed-off-by: Sascha Hauer --- arch/arm/mach-mx25/clock.c | 18 ++++++++++ arch/arm/mach-mx25/devices.c | 38 +++++++++++++++++++++ arch/arm/mach-mx25/devices.h | 2 ++ arch/arm/plat-mxc/Kconfig | 1 + arch/arm/plat-mxc/audmux-v2.c | 15 +++++++- arch/arm/plat-mxc/include/mach/iomux-mx25.h | 4 +++ arch/arm/plat-mxc/include/mach/mx25.h | 7 +++- 7 files changed, 83 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-mx25/clock.c b/arch/arm/mach-mx25/clock.c index 84f0f1efea4b..caeea7551582 100644 --- a/arch/arm/mach-mx25/clock.c +++ b/arch/arm/mach-mx25/clock.c @@ -109,6 +109,16 @@ static unsigned long get_rate_uart(struct clk *clk) return get_rate_per(15); } +static unsigned long get_rate_ssi2(struct clk *clk) +{ + return get_rate_per(14); +} + +static unsigned long get_rate_ssi1(struct clk *clk) +{ + return get_rate_per(13); +} + static unsigned long get_rate_i2c(struct clk *clk) { return get_rate_per(6); @@ -171,6 +181,8 @@ static void clk_cgcr_disable(struct clk *clk) DEFINE_CLOCK(gpt_clk, 0, CCM_CGCR0, 5, get_rate_gpt, NULL, NULL); DEFINE_CLOCK(uart_per_clk, 0, CCM_CGCR0, 15, get_rate_uart, NULL, NULL); +DEFINE_CLOCK(ssi1_per_clk, 0, CCM_CGCR0, 13, get_rate_ipg, NULL, NULL); +DEFINE_CLOCK(ssi2_per_clk, 0, CCM_CGCR0, 14, get_rate_ipg, NULL, NULL); DEFINE_CLOCK(cspi1_clk, 0, CCM_CGCR1, 5, get_rate_ipg, NULL, NULL); DEFINE_CLOCK(cspi2_clk, 0, CCM_CGCR1, 6, get_rate_ipg, NULL, NULL); DEFINE_CLOCK(cspi3_clk, 0, CCM_CGCR1, 7, get_rate_ipg, NULL, NULL); @@ -194,6 +206,9 @@ DEFINE_CLOCK(i2c_clk, 0, CCM_CGCR0, 6, get_rate_i2c, NULL, NULL); DEFINE_CLOCK(fec_clk, 0, CCM_CGCR1, 15, get_rate_ipg, NULL, &fec_ahb_clk); DEFINE_CLOCK(dryice_clk, 0, CCM_CGCR1, 8, get_rate_ipg, NULL, NULL); DEFINE_CLOCK(lcdc_clk, 0, CCM_CGCR1, 29, get_rate_lcdc, NULL, &lcdc_per_clk); +DEFINE_CLOCK(ssi1_clk, 0, CCM_CGCR2, 11, get_rate_ssi1, NULL, &ssi1_per_clk); +DEFINE_CLOCK(ssi2_clk, 1, CCM_CGCR2, 12, get_rate_ssi2, NULL, &ssi2_per_clk); +DEFINE_CLOCK(audmux_clk, 0, CCM_CGCR1, 0, NULL, NULL, NULL); #define _REGISTER_CLOCK(d, n, c) \ { \ @@ -228,6 +243,9 @@ static struct clk_lookup lookups[] = { _REGISTER_CLOCK("fec.0", NULL, fec_clk) _REGISTER_CLOCK("imxdi_rtc.0", NULL, dryice_clk) _REGISTER_CLOCK("imx-fb.0", NULL, lcdc_clk) + _REGISTER_CLOCK("imx-ssi.0", NULL, ssi1_clk) + _REGISTER_CLOCK("imx-ssi.1", NULL, ssi2_clk) + _REGISTER_CLOCK(NULL, "audmux", audmux_clk) }; int __init mx25_clocks_init(void) diff --git a/arch/arm/mach-mx25/devices.c b/arch/arm/mach-mx25/devices.c index d9766d4d5046..baf0a7913644 100644 --- a/arch/arm/mach-mx25/devices.c +++ b/arch/arm/mach-mx25/devices.c @@ -533,3 +533,41 @@ struct platform_device mx25_kpp_device = { .num_resources = ARRAY_SIZE(mx25_kpp_resources), .resource = mx25_kpp_resources, }; + +static struct resource imx_ssi_resources0[] = { + { + .start = MX25_SSI1_BASE_ADDR, + .end = MX25_SSI1_BASE_ADDR + 0x3fff, + .flags = IORESOURCE_MEM, + }, { + .start = MX25_INT_SSI1, + .end = MX25_INT_SSI1, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct resource imx_ssi_resources1[] = { + { + .start = MX25_SSI2_BASE_ADDR, + .end = MX25_SSI2_BASE_ADDR + 0x3fff, + .flags = IORESOURCE_MEM + }, { + .start = MX25_INT_SSI2, + .end = MX25_INT_SSI2, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device imx_ssi_device0 = { + .name = "imx-ssi", + .id = 0, + .num_resources = ARRAY_SIZE(imx_ssi_resources0), + .resource = imx_ssi_resources0, +}; + +struct platform_device imx_ssi_device1 = { + .name = "imx-ssi", + .id = 1, + .num_resources = ARRAY_SIZE(imx_ssi_resources1), + .resource = imx_ssi_resources1, +}; diff --git a/arch/arm/mach-mx25/devices.h b/arch/arm/mach-mx25/devices.h index 8247fd451118..290843bdddf3 100644 --- a/arch/arm/mach-mx25/devices.h +++ b/arch/arm/mach-mx25/devices.h @@ -23,3 +23,5 @@ extern struct platform_device mx25_rtc_device; extern struct platform_device mx25_fb_device; extern struct platform_device mxc_wdt; extern struct platform_device mx25_kpp_device; +extern struct platform_device imx_ssi_device0; +extern struct platform_device imx_ssi_device1; diff --git a/arch/arm/plat-mxc/Kconfig b/arch/arm/plat-mxc/Kconfig index 7f7ad6f289bd..902ba9e42c5b 100644 --- a/arch/arm/plat-mxc/Kconfig +++ b/arch/arm/plat-mxc/Kconfig @@ -25,6 +25,7 @@ config ARCH_MX25 select CPU_ARM926T select ARCH_MXC_IOMUX_V3 select HAVE_FB_IMX + select ARCH_MXC_AUDMUX_V2 help This enables support for systems based on the Freescale i.MX25 family diff --git a/arch/arm/plat-mxc/audmux-v2.c b/arch/arm/plat-mxc/audmux-v2.c index 0c2cc5cd4d83..ab94d78a927f 100644 --- a/arch/arm/plat-mxc/audmux-v2.c +++ b/arch/arm/plat-mxc/audmux-v2.c @@ -191,6 +191,7 @@ static int mxc_audmux_v2_init(void) { int ret; +#if defined(CONFIG_ARCH_MX3) if (cpu_is_mx31()) audmux_base = MX31_IO_ADDRESS(MX31_AUDMUX_BASE_ADDR); @@ -204,7 +205,19 @@ static int mxc_audmux_v2_init(void) } audmux_base = MX35_IO_ADDRESS(MX35_AUDMUX_BASE_ADDR); } - +#endif +#if defined(CONFIG_ARCH_MX25) + if (cpu_is_mx25()) { + audmux_clk = clk_get(NULL, "audmux"); + if (IS_ERR(audmux_clk)) { + ret = PTR_ERR(audmux_clk); + printk(KERN_ERR "%s: cannot get clock: %d\n", __func__, + ret); + return ret; + } + audmux_base = MX25_IO_ADDRESS(MX25_AUDMUX_BASE_ADDR); + } +#endif audmux_debugfs_init(); return 0; diff --git a/arch/arm/plat-mxc/include/mach/iomux-mx25.h b/arch/arm/plat-mxc/include/mach/iomux-mx25.h index e88d01a125a6..1c8317e8ecce 100644 --- a/arch/arm/plat-mxc/include/mach/iomux-mx25.h +++ b/arch/arm/plat-mxc/include/mach/iomux-mx25.h @@ -389,15 +389,19 @@ #define MX25_PAD_KPP_ROW3__GPIO_3_0 IOMUX_PAD(0x3ac, 0x1b4, 0x15, 0, 0, NO_PAD_CTRL) #define MX25_PAD_KPP_COL0__KPP_COL0 IOMUX_PAD(0x3b0, 0x1b8, 0x10, 0, 0, KPP_CTL_COL) +#define MX25_PAD_KPP_COL0__AUD5_TXD IOMUX_PAD(0x3b0, 0x1b8, 0x12, 0, 0, PAD_CTL_PKE | PAD_CTL_PUS_100K_UP) #define MX25_PAD_KPP_COL0__GPIO_3_1 IOMUX_PAD(0x3b0, 0x1b8, 0x15, 0, 0, NO_PAD_CTRL) #define MX25_PAD_KPP_COL1__KPP_COL1 IOMUX_PAD(0x3b4, 0x1bc, 0x10, 0, 0, KPP_CTL_COL) +#define MX25_PAD_KPP_COL1__AUD5_RXD IOMUX_PAD(0x3b4, 0x1bc, 0x12, 0, 0, PAD_CTL_PKE | PAD_CTL_PUS_100K_UP) #define MX25_PAD_KPP_COL1__GPIO_3_2 IOMUX_PAD(0x3b4, 0x1bc, 0x15, 0, 0, NO_PAD_CTRL) #define MX25_PAD_KPP_COL2__KPP_COL2 IOMUX_PAD(0x3b8, 0x1c0, 0x10, 0, 0, KPP_CTL_COL) +#define MX25_PAD_KPP_COL2__AUD5_TXC IOMUX_PAD(0x3b8, 0x1c0, 0x12, 0, 0, PAD_CTL_PKE | PAD_CTL_PUS_100K_UP) #define MX25_PAD_KPP_COL2__GPIO_3_3 IOMUX_PAD(0x3b8, 0x1c0, 0x15, 0, 0, NO_PAD_CTRL) #define MX25_PAD_KPP_COL3__KPP_COL3 IOMUX_PAD(0x3bc, 0x1c4, 0x10, 0, 0, KPP_CTL_COL) +#define MX25_PAD_KPP_COL3__AUD5_TXFS IOMUX_PAD(0x3bc, 0x1c4, 0x12, 0, 0, PAD_CTL_PKE | PAD_CTL_PUS_100K_UP) #define MX25_PAD_KPP_COL3__GPIO_3_4 IOMUX_PAD(0x3bc, 0x1c4, 0x15, 0, 0, NO_PAD_CTRL) #define MX25_PAD_FEC_MDC__FEC_MDC IOMUX_PAD(0x3c0, 0x1c8, 0x10, 0, 0, NO_PAD_CTRL) diff --git a/arch/arm/plat-mxc/include/mach/mx25.h b/arch/arm/plat-mxc/include/mach/mx25.h index f064ec8833bb..a1ba9d7c55d7 100644 --- a/arch/arm/plat-mxc/include/mach/mx25.h +++ b/arch/arm/plat-mxc/include/mach/mx25.h @@ -29,19 +29,24 @@ #define MX25_UART1_BASE_ADDR 0x43f90000 #define MX25_UART2_BASE_ADDR 0x43f94000 +#define MX25_AUDMUX_BASE_ADDR 0x43fb0000 #define MX25_FEC_BASE_ADDR 0x50038000 +#define MX25_SSI2_BASE_ADDR 0x50014000 +#define MX25_SSI1_BASE_ADDR 0x50034000 #define MX25_NFC_BASE_ADDR 0xbb000000 #define MX25_DRYICE_BASE_ADDR 0x53ffc000 #define MX25_LCDC_BASE_ADDR 0x53fbc000 #define MX25_KPP_BASE_ADDR 0x43fa8000 #define MX25_OTG_BASE_ADDR 0x53ff4000 +#define MX25_INT_SSI2 11 +#define MX25_INT_SSI1 12 #define MX25_INT_DRYICE 25 -#define MX25_INT_FEC 57 #define MX25_INT_NANDFC 33 #define MX25_INT_LCDC 39 #define MX25_INT_KPP 24 +#define MX25_INT_FEC 57 #if defined(IMX_NEEDS_DEPRECATED_SYMBOLS) #define UART1_BASE_ADDR MX25_UART1_BASE_ADDR -- GitLab