As SPI platform devices are consolidated to plat-samsung, some corresponding changes are required in the respective machine folder. Setup files are added for SPI GPIO configurations. SPI platform specific data is initialized in the corresponding machine file. Signed-off-by: Padmavathi Venna <padma.v@xxxxxxxxxxx> --- arch/arm/mach-s5pc100/Kconfig | 5 +++ arch/arm/mach-s5pc100/Makefile | 1 + arch/arm/mach-s5pc100/include/mach/map.h | 3 ++ arch/arm/mach-s5pc100/mach-smdkc100.c | 31 ++++++++++++++++ arch/arm/mach-s5pc100/setup-spi.c | 43 ++++++++++++++++++++++ arch/arm/plat-samsung/include/plat/s3c64xx-spi.h | 1 + 6 files changed, 84 insertions(+), 0 deletions(-) create mode 100644 arch/arm/mach-s5pc100/setup-spi.c diff --git a/arch/arm/mach-s5pc100/Kconfig b/arch/arm/mach-s5pc100/Kconfig index e538a4c..75a26ea 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 238a836..cf0091f 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 ccbe6b7..54bc4f8 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/mach-smdkc100.c b/arch/arm/mach-s5pc100/mach-smdkc100.c index 26f5c91..906f510 100644 --- a/arch/arm/mach-s5pc100/mach-smdkc100.c +++ b/arch/arm/mach-s5pc100/mach-smdkc100.c @@ -52,6 +52,7 @@ #include <plat/audio.h> #include <plat/backlight.h> #include <plat/regs-fb-v4.h> +#include <plat/s3c64xx-spi.h> /* Following are default values for UCON, ULCON and UFCON UART registers */ #define SMDKC100_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \ @@ -180,6 +181,36 @@ static struct samsung_keypad_platdata smdkc100_keypad_data __initdata = { .cols = 8, }; +#ifdef CONFIG_S3C64XX_DEV_SPI0 +static struct s3c64xx_spi_info smdkc100_spi0_pdata __initdata = { + .cfg_gpio = s3c64xx_spi0_cfg_gpio, + .fifo_lvl_mask = 0x7f, + .rx_lvl_offset = 13, + .high_speed = 1, + .tx_st_done = 21, +}; +#endif + +#ifdef CONFIG_S3C64XX_DEV_SPI1 +static struct s3c64xx_spi_info smdkc100_spi1_pdata __initdata = { + .cfg_gpio = s3c64xx_spi1_cfg_gpio, + .fifo_lvl_mask = 0x7f, + .rx_lvl_offset = 13, + .high_speed = 1, + .tx_st_done = 21, +}; +#endif + +#ifdef CONFIG_S3C64XX_DEV_SPI2 +static struct s3c64xx_spi_info smdkc100_spi2_pdata __initdata = { + .cfg_gpio = s3c64xx_spi2_cfg_gpio, + .fifo_lvl_mask = 0x7f, + .rx_lvl_offset = 13, + .high_speed = 1, + .tx_st_done = 21, +}; +#endif + static struct platform_device *smdkc100_devices[] __initdata = { &s3c_device_adc, &s3c_device_cfcon, diff --git a/arch/arm/mach-s5pc100/setup-spi.c b/arch/arm/mach-s5pc100/setup-spi.c new file mode 100644 index 0000000..28a0d7f --- /dev/null +++ b/arch/arm/mach-s5pc100/setup-spi.c @@ -0,0 +1,43 @@ +/* linux/arch/arm/mach-s5pc100/setup-spi0.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 <linux/gpio.h> +#include <linux/platform_device.h> + +#include <plat/gpio-cfg.h> + +#ifdef CONFIG_S3C64XX_DEV_SPI0 +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 +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 +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/include/plat/s3c64xx-spi.h b/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h index da7f264..15f74b6 100644 --- a/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h +++ b/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h @@ -75,4 +75,5 @@ extern void s3c64xx_spi2_set_info(struct s3c64xx_spi_info *pd, int src_clk_nr, /* 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); #endif /* __S3C64XX_PLAT_SPI_H */ -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html