diff --git a/arch/arm/mach-s5pc100/Kconfig b/arch/arm/mach-s5pc100/Kconfig index e538a4c67e9cc72d18924c3c5945e83c53bbbb4a..75a26eaf26334d9e0abf65131fda20e5e0cb2204 100644 --- a/arch/arm/mach-s5pc100/Kconfig +++ b/arch/arm/mach-s5pc100/Kconfig @@ -45,6 +45,11 @@ config S5PC100_SETUP_SDHCI_GPIO help Common setup code for SDHCI gpio. +config S5PC100_SETUP_SPI + bool + help + Common setup code for SPI GPIO configurations. + config MACH_SMDKC100 bool "SMDKC100" select CPU_S5PC100 diff --git a/arch/arm/mach-s5pc100/Makefile b/arch/arm/mach-s5pc100/Makefile index 238a836b3f7f45d27c4b115abfc46aa6587b0497..291e246c0ec01215409b0609ad63d99e1b5a7eda 100644 --- a/arch/arm/mach-s5pc100/Makefile +++ b/arch/arm/mach-s5pc100/Makefile @@ -22,6 +22,7 @@ obj-$(CONFIG_S5PC100_SETUP_I2C1) += setup-i2c1.o obj-$(CONFIG_S5PC100_SETUP_IDE) += setup-ide.o obj-$(CONFIG_S5PC100_SETUP_KEYPAD) += setup-keypad.o obj-$(CONFIG_S5PC100_SETUP_SDHCI_GPIO) += setup-sdhci-gpio.o +obj-$(CONFIG_S5PC100_SETUP_SPI) += setup-spi.o # device support obj-y += dev-audio.o diff --git a/arch/arm/mach-s5pc100/include/mach/map.h b/arch/arm/mach-s5pc100/include/mach/map.h index ccbe6b767f7d82179adb3d72e8f0300a561a91b7..54bc4f82e17a1fa0ce9ec19b52dc84edc3b08bcc 100644 --- a/arch/arm/mach-s5pc100/include/mach/map.h +++ b/arch/arm/mach-s5pc100/include/mach/map.h @@ -100,6 +100,9 @@ #define S3C_PA_USB_HSOTG S5PC100_PA_USB_HSOTG #define S3C_PA_USB_HSPHY S5PC100_PA_USB_HSPHY #define S3C_PA_WDT S5PC100_PA_WATCHDOG +#define S3C_PA_SPI0 S5PC100_PA_SPI0 +#define S3C_PA_SPI1 S5PC100_PA_SPI1 +#define S3C_PA_SPI2 S5PC100_PA_SPI2 #define S5P_PA_CHIPID S5PC100_PA_CHIPID #define S5P_PA_FIMC0 S5PC100_PA_FIMC0 diff --git a/arch/arm/mach-s5pc100/setup-spi.c b/arch/arm/mach-s5pc100/setup-spi.c new file mode 100644 index 0000000000000000000000000000000000000000..431a6f747caa196844c3f3bcb5559a0c3c33dac9 --- /dev/null +++ b/arch/arm/mach-s5pc100/setup-spi.c @@ -0,0 +1,65 @@ +/* linux/arch/arm/mach-s5pc100/setup-spi.c + * + * Copyright (C) 2011 Samsung Electronics Ltd. + * http://www.samsung.com/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#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) +{ + s3c_gpio_cfgall_range(S5PC100_GPB(0), 3, + S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP); + return 0; +} +#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) +{ + s3c_gpio_cfgall_range(S5PC100_GPB(4), 3, + S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP); + return 0; +} +#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) +{ + s3c_gpio_cfgpin(S5PC100_GPG3(0), S3C_GPIO_SFN(3)); + s3c_gpio_setpull(S5PC100_GPG3(0), S3C_GPIO_PULL_UP); + s3c_gpio_cfgall_range(S5PC100_GPB(2), 2, + S3C_GPIO_SFN(3), S3C_GPIO_PULL_UP); + return 0; +} +#endif diff --git a/arch/arm/plat-samsung/devs.c b/arch/arm/plat-samsung/devs.c index 080ea18d3f94c83a7b538d3186350efcaa7e11fc..de0d88d6a0f15e04dad6565e216f517551c768fa 100644 --- a/arch/arm/plat-samsung/devs.c +++ b/arch/arm/plat-samsung/devs.c @@ -1582,6 +1582,9 @@ void __init s3c64xx_spi2_set_platdata(struct s3c64xx_spi_info *pd, pd->num_cs = num_cs; pd->src_clk_nr = src_clk_nr; + if (!pd->cfg_gpio) + pd->cfg_gpio = s3c64xx_spi2_cfg_gpio; + s3c_set_platdata(pd, sizeof(*pd), &s3c64xx_device_spi2); } #endif /* CONFIG_S3C64XX_DEV_SPI2 */ diff --git a/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h b/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h index d3e2209c809902f4f3a815f8644a3045640c8886..aea68b60ef98af7bac8c5841536c8150d803888f 100644 --- a/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h +++ b/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h @@ -75,7 +75,9 @@ extern void s3c64xx_spi2_set_platdata(struct s3c64xx_spi_info *pd, /* 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 struct s3c64xx_spi_info s3c64xx_spi0_pdata; extern struct s3c64xx_spi_info s3c64xx_spi1_pdata; +extern struct s3c64xx_spi_info s3c64xx_spi2_pdata; #endif /* __S3C64XX_PLAT_SPI_H */