diff options
| -rw-r--r-- | arch/arm/mach-s5p6440/Kconfig | 7 | ||||
| -rw-r--r-- | arch/arm/mach-s5p6440/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/mach-s5p6440/include/mach/map.h | 2 | ||||
| -rw-r--r-- | arch/arm/mach-s5p6440/mach-smdk6440.c | 20 | ||||
| -rw-r--r-- | arch/arm/mach-s5p6440/setup-i2c0.c | 7 | ||||
| -rw-r--r-- | arch/arm/mach-s5p6440/setup-i2c1.c | 30 |
6 files changed, 66 insertions, 1 deletions
diff --git a/arch/arm/mach-s5p6440/Kconfig b/arch/arm/mach-s5p6440/Kconfig index b2d47165397..153f8c9994c 100644 --- a/arch/arm/mach-s5p6440/Kconfig +++ b/arch/arm/mach-s5p6440/Kconfig @@ -13,15 +13,22 @@ config CPU_S5P6440 help Enable S5P6440 CPU support +config S5P6440_SETUP_I2C1 + bool + help + Common setup code for i2c bus 1. + config MACH_SMDK6440 bool "SMDK6440" select CPU_S5P6440 select SAMSUNG_DEV_TS select SAMSUNG_DEV_ADC select S3C_DEV_RTC + select S3C_DEV_I2C1 select S3C_DEV_WDT select HAVE_S3C_RTC select HAVE_S3C2410_WATCHDOG + select S5P6440_SETUP_I2C1 help Machine support for the Samsung SMDK6440 diff --git a/arch/arm/mach-s5p6440/Makefile b/arch/arm/mach-s5p6440/Makefile index be3c53aab23..c3fe4d3662a 100644 --- a/arch/arm/mach-s5p6440/Makefile +++ b/arch/arm/mach-s5p6440/Makefile @@ -22,3 +22,4 @@ obj-$(CONFIG_MACH_SMDK6440) += mach-smdk6440.o # device support obj-y += dev-audio.o obj-$(CONFIG_S3C64XX_DEV_SPI) += dev-spi.o +obj-$(CONFIG_S5P6440_SETUP_I2C1) += setup-i2c1.o diff --git a/arch/arm/mach-s5p6440/include/mach/map.h b/arch/arm/mach-s5p6440/include/mach/map.h index 255a2e7f0b9..6cc5cbc88ff 100644 --- a/arch/arm/mach-s5p6440/include/mach/map.h +++ b/arch/arm/mach-s5p6440/include/mach/map.h @@ -52,6 +52,7 @@ #define S5P_SZ_UART SZ_256 #define S5P6440_PA_IIC0 (0xEC104000) +#define S5P6440_PA_IIC1 (0xEC20F000) #define S5P6440_PA_SPI0 0xEC400000 #define S5P6440_PA_SPI1 0xEC500000 @@ -77,6 +78,7 @@ #define S3C_PA_UART S5P6440_PA_UART #define S3C_PA_IIC S5P6440_PA_IIC0 #define S3C_PA_RTC S5P6440_PA_RTC +#define S3C_PA_IIC1 S5P6440_PA_IIC1 #define S3C_PA_WDT S5P6440_PA_WDT #define SAMSUNG_PA_ADC S5P6440_PA_ADC diff --git a/arch/arm/mach-s5p6440/mach-smdk6440.c b/arch/arm/mach-s5p6440/mach-smdk6440.c index 142edd57a9d..8c83d8fb016 100644 --- a/arch/arm/mach-s5p6440/mach-smdk6440.c +++ b/arch/arm/mach-s5p6440/mach-smdk6440.c @@ -15,6 +15,7 @@ #include <linux/timer.h> #include <linux/delay.h> #include <linux/init.h> +#include <linux/i2c.h> #include <linux/serial_core.h> #include <linux/platform_device.h> #include <linux/io.h> @@ -37,6 +38,7 @@ #include <mach/regs-clock.h> #include <plat/devs.h> #include <plat/cpu.h> +#include <plat/iic.h> #include <plat/pll.h> #include <plat/adc.h> #include <plat/ts.h> @@ -89,10 +91,20 @@ static struct platform_device *smdk6440_devices[] __initdata = { &s5p6440_device_iis, &s3c_device_adc, &s3c_device_rtc, + &s3c_device_i2c0, + &s3c_device_i2c1, &s3c_device_ts, &s3c_device_wdt, }; +static struct i2c_board_info smdk6440_i2c_devs0[] __initdata = { + { I2C_BOARD_INFO("24c08", 0x50), }, +}; + +static struct i2c_board_info smdk6440_i2c_devs1[] __initdata = { + /* To be populated */ +}; + static struct s3c2410_ts_mach_info s3c_ts_platform __initdata = { .delay = 10000, .presc = 49, @@ -110,6 +122,14 @@ static void __init smdk6440_machine_init(void) { s3c24xx_ts_set_platdata(&s3c_ts_platform); + /* I2C */ + s3c_i2c0_set_platdata(NULL); + s3c_i2c1_set_platdata(NULL); + i2c_register_board_info(0, smdk6440_i2c_devs0, + ARRAY_SIZE(smdk6440_i2c_devs0)); + i2c_register_board_info(1, smdk6440_i2c_devs1, + ARRAY_SIZE(smdk6440_i2c_devs1)); + platform_add_devices(smdk6440_devices, ARRAY_SIZE(smdk6440_devices)); } diff --git a/arch/arm/mach-s5p6440/setup-i2c0.c b/arch/arm/mach-s5p6440/setup-i2c0.c index 69e8a664aed..2c99d14f7ac 100644 --- a/arch/arm/mach-s5p6440/setup-i2c0.c +++ b/arch/arm/mach-s5p6440/setup-i2c0.c @@ -17,9 +17,14 @@ struct platform_device; /* don't need the contents */ +#include <linux/gpio.h> +#include <plat/gpio-cfg.h> #include <plat/iic.h> void s3c_i2c0_cfg_gpio(struct platform_device *dev) { - /* Will be populated later */ + s3c_gpio_cfgpin(S5P6440_GPB(5), S3C_GPIO_SFN(2)); + s3c_gpio_setpull(S5P6440_GPB(5), S3C_GPIO_PULL_UP); + s3c_gpio_cfgpin(S5P6440_GPB(6), S3C_GPIO_SFN(2)); + s3c_gpio_setpull(S5P6440_GPB(6), S3C_GPIO_PULL_UP); } diff --git a/arch/arm/mach-s5p6440/setup-i2c1.c b/arch/arm/mach-s5p6440/setup-i2c1.c new file mode 100644 index 00000000000..9a1537f786e --- /dev/null +++ b/arch/arm/mach-s5p6440/setup-i2c1.c @@ -0,0 +1,30 @@ +/* linux/arch/arm/mach-s5p6440/setup-i2c1.c + * + * Copyright (c) 2009 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * I2C1 GPIO configuration. + * + * Based on plat-s3c64xx/setup-i2c0.c + * + * 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/kernel.h> +#include <linux/types.h> +#include <linux/gpio.h> + +struct platform_device; /* don't need the contents */ + +#include <plat/gpio-cfg.h> +#include <plat/iic.h> + +void s3c_i2c1_cfg_gpio(struct platform_device *dev) +{ + s3c_gpio_cfgpin(S5P6440_GPR(9), S3C_GPIO_SFN(6)); + s3c_gpio_setpull(S5P6440_GPR(9), S3C_GPIO_PULL_UP); + s3c_gpio_cfgpin(S5P6440_GPR(10), S3C_GPIO_SFN(6)); + s3c_gpio_setpull(S5P6440_GPR(10), S3C_GPIO_PULL_UP); +} |