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| author | Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com> | 2012-09-13 07:10:10 +0200 |
|---|---|---|
| committer | Simon Horman <horms@verge.net.au> | 2012-09-13 08:02:25 +0200 |
| commit | b22f6bb030ee0c98839fe2445571c57c9f89594e (patch) | |
| tree | 3fc93563d09576ee23aca26f65a6bc4f2e15cf94 | |
| parent | ARM: shmobile: marzen: enable thermal sensor (diff) | |
| download | linux-b22f6bb030ee0c98839fe2445571c57c9f89594e.tar.xz linux-b22f6bb030ee0c98839fe2445571c57c9f89594e.zip | |
ARM: shmobile: armadillo800eva: Add support RTC
The armadillo800eva has S35390A which is RTC. This is controlled
using I2C of GPIO.
This commit supports RTC of armadillo800eva.
Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
| -rw-r--r-- | arch/arm/configs/armadillo800eva_defconfig | 3 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/board-armadillo800eva.c | 25 |
2 files changed, 28 insertions, 0 deletions
diff --git a/arch/arm/configs/armadillo800eva_defconfig b/arch/arm/configs/armadillo800eva_defconfig index 7d8718468e0d..05f523d7d87f 100644 --- a/arch/arm/configs/armadillo800eva_defconfig +++ b/arch/arm/configs/armadillo800eva_defconfig @@ -85,6 +85,7 @@ CONFIG_SERIAL_SH_SCI_NR_UARTS=8 CONFIG_SERIAL_SH_SCI_CONSOLE=y # CONFIG_HW_RANDOM is not set CONFIG_I2C=y +CONFIG_I2C_GPIO=y CONFIG_I2C_SH_MOBILE=y # CONFIG_HWMON is not set CONFIG_MEDIA_SUPPORT=y @@ -120,6 +121,8 @@ CONFIG_USB_ETH=m CONFIG_MMC=y CONFIG_MMC_SDHI=y CONFIG_MMC_SH_MMCIF=y +CONFIG_RTC_CLASS=y +CONFIG_RTC_DRV_S35390A=y CONFIG_DMADEVICES=y CONFIG_SH_DMAE=y CONFIG_UIO=y diff --git a/arch/arm/mach-shmobile/board-armadillo800eva.c b/arch/arm/mach-shmobile/board-armadillo800eva.c index cf10f92856dc..81dfb88ce813 100644 --- a/arch/arm/mach-shmobile/board-armadillo800eva.c +++ b/arch/arm/mach-shmobile/board-armadillo800eva.c @@ -37,6 +37,7 @@ #include <linux/mmc/host.h> #include <linux/mmc/sh_mmcif.h> #include <linux/mmc/sh_mobile_sdhi.h> +#include <linux/i2c-gpio.h> #include <mach/common.h> #include <mach/irqs.h> #include <mach/r8a7740.h> @@ -876,6 +877,21 @@ static struct platform_device fsi_hdmi_device = { }, }; +/* RTC: RTC connects i2c-gpio. */ +static struct i2c_gpio_platform_data i2c_gpio_data = { + .sda_pin = GPIO_PORT208, + .scl_pin = GPIO_PORT91, + .udelay = 5, /* 100 kHz */ +}; + +static struct platform_device i2c_gpio_device = { + .name = "i2c-gpio", + .id = 2, + .dev = { + .platform_data = &i2c_gpio_data, + }, +}; + /* I2C */ static struct i2c_board_info i2c0_devices[] = { { @@ -887,6 +903,13 @@ static struct i2c_board_info i2c0_devices[] = { }, }; +static struct i2c_board_info i2c2_devices[] = { + { + I2C_BOARD_INFO("s35390a", 0x30), + .type = "s35390a", + }, +}; + /* * board devices */ @@ -903,6 +926,7 @@ static struct platform_device *eva_devices[] __initdata = { &fsi_device, &fsi_hdmi_device, &fsi_wm8978_device, + &i2c_gpio_device, }; static void __init eva_clock_init(void) @@ -1173,6 +1197,7 @@ static void __init eva_init(void) #endif i2c_register_board_info(0, i2c0_devices, ARRAY_SIZE(i2c0_devices)); + i2c_register_board_info(2, i2c2_devices, ARRAY_SIZE(i2c2_devices)); r8a7740_add_standard_devices(); |