diff options
Diffstat (limited to 'arch/arm/mach-s5p64x0')
| -rw-r--r-- | arch/arm/mach-s5p64x0/Kconfig | 7 | ||||
| -rw-r--r-- | arch/arm/mach-s5p64x0/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/mach-s5p64x0/include/mach/map.h | 2 | ||||
| -rw-r--r-- | arch/arm/mach-s5p64x0/setup-spi.c | 55 |
4 files changed, 63 insertions, 2 deletions
diff --git a/arch/arm/mach-s5p64x0/Kconfig b/arch/arm/mach-s5p64x0/Kconfig index 18690c5f99e..dd8c85ef6da 100644 --- a/arch/arm/mach-s5p64x0/Kconfig +++ b/arch/arm/mach-s5p64x0/Kconfig @@ -36,6 +36,11 @@ config S5P64X0_SETUP_I2C1 help Common setup code for i2c bus 1. +config S5P64X0_SETUP_SPI + bool + help + Common setup code for SPI GPIO configurations + # machine support config MACH_SMDK6440 @@ -45,7 +50,6 @@ config MACH_SMDK6440 select S3C_DEV_I2C1 select S3C_DEV_RTC select S3C_DEV_WDT - select S3C64XX_DEV_SPI select SAMSUNG_DEV_ADC select SAMSUNG_DEV_BACKLIGHT select SAMSUNG_DEV_PWM @@ -62,7 +66,6 @@ config MACH_SMDK6450 select S3C_DEV_I2C1 select S3C_DEV_RTC select S3C_DEV_WDT - select S3C64XX_DEV_SPI select SAMSUNG_DEV_ADC select SAMSUNG_DEV_BACKLIGHT select SAMSUNG_DEV_PWM diff --git a/arch/arm/mach-s5p64x0/Makefile b/arch/arm/mach-s5p64x0/Makefile index e24d316e544..a7d7a499d99 100644 --- a/arch/arm/mach-s5p64x0/Makefile +++ b/arch/arm/mach-s5p64x0/Makefile @@ -29,3 +29,4 @@ obj-y += dev-audio.o obj-$(CONFIG_S5P64X0_SETUP_I2C1) += setup-i2c1.o obj-$(CONFIG_S5P64X0_SETUP_FB_24BPP) += setup-fb-24bpp.o +obj-$(CONFIG_S5P64X0_SETUP_SPI) += setup-spi.o diff --git a/arch/arm/mach-s5p64x0/include/mach/map.h b/arch/arm/mach-s5p64x0/include/mach/map.h index 4d3ac8a3709..0c0175dbfa3 100644 --- a/arch/arm/mach-s5p64x0/include/mach/map.h +++ b/arch/arm/mach-s5p64x0/include/mach/map.h @@ -67,6 +67,8 @@ #define S3C_PA_RTC S5P64X0_PA_RTC #define S3C_PA_WDT S5P64X0_PA_WDT #define S3C_PA_FB S5P64X0_PA_FB +#define S3C_PA_SPI0 S5P64X0_PA_SPI0 +#define S3C_PA_SPI1 S5P64X0_PA_SPI1 #define S5P_PA_CHIPID S5P64X0_PA_CHIPID #define S5P_PA_SROMC S5P64X0_PA_SROMC diff --git a/arch/arm/mach-s5p64x0/setup-spi.c b/arch/arm/mach-s5p64x0/setup-spi.c new file mode 100644 index 00000000000..e9b84124035 --- /dev/null +++ b/arch/arm/mach-s5p64x0/setup-spi.c @@ -0,0 +1,55 @@ +/* linux/arch/arm/mach-s5p64x0/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 <linux/gpio.h> +#include <linux/platform_device.h> +#include <linux/io.h> + +#include <plat/gpio-cfg.h> +#include <plat/cpu.h> +#include <plat/s3c64xx-spi.h> + +#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) +{ + if (soc_is_s5p6450()) + s3c_gpio_cfgall_range(S5P6450_GPC(0), 3, + S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP); + else + s3c_gpio_cfgall_range(S5P6440_GPC(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 = 15, + .tx_st_done = 25, +}; + +int s3c64xx_spi1_cfg_gpio(struct platform_device *dev) +{ + if (soc_is_s5p6450()) + s3c_gpio_cfgall_range(S5P6450_GPC(4), 3, + S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP); + else + s3c_gpio_cfgall_range(S5P6440_GPC(4), 3, + S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP); + return 0; +} +#endif |