| Message ID | 1347505841-8594-1-git-send-email-nobuhiro.iwamatsu.yj@renesas.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Thu, Sep 13, 2012 at 12:10:41PM +0900, Nobuhiro Iwamatsu wrote: > 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> Hi Iwamatsu-san, could you please either update this patch or provide a follow-up patch to update the defconfig so the S35390A is enabled? "make savedefconfig" may be useful for this.
Hi, On Thu, Sep 13, 2012 at 1:06 PM, Simon Horman <horms@verge.net.au> wrote: > On Thu, Sep 13, 2012 at 12:10:41PM +0900, Nobuhiro Iwamatsu wrote: >> 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> > > Hi Iwamatsu-san, > > could you please either update this patch or provide a follow-up > patch to update the defconfig so the S35390A is enabled? > > "make savedefconfig" may be useful for this. OK, I will resend with updated defconfig.
diff --git a/arch/arm/mach-shmobile/board-armadillo800eva.c b/arch/arm/mach-shmobile/board-armadillo800eva.c index cf10f92..81dfb88 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();
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> --- arch/arm/mach-shmobile/board-armadillo800eva.c | 25 ++++++++++++++++++++++++ 1 file changed, 25 insertions(+)