Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit b22f6bb0 authored by Nobuhiro Iwamatsu's avatar Nobuhiro Iwamatsu Committed by Simon Horman
Browse files

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: default avatarNobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: default avatarSimon Horman <horms@verge.net.au>
parent eb8ca943

arch/arm/configs/armadillo800eva_defconfig

+3 −0
Original line number Original line Diff line number Diff line
@@ -85,6 +85,7 @@ CONFIG_SERIAL_SH_SCI_NR_UARTS=8 
CONFIG_SERIAL_SH_SCI_CONSOLE=y

CONFIG_SERIAL_SH_SCI_CONSOLE=y

# CONFIG_HW_RANDOM is not set

# CONFIG_HW_RANDOM is not set

CONFIG_I2C=y

CONFIG_I2C=y

CONFIG_I2C_GPIO=y

CONFIG_I2C_SH_MOBILE=y

CONFIG_I2C_SH_MOBILE=y

# CONFIG_HWMON is not set

# CONFIG_HWMON is not set

CONFIG_MEDIA_SUPPORT=y

CONFIG_MEDIA_SUPPORT=y
@@ -120,6 +121,8 @@ CONFIG_USB_ETH=m 
CONFIG_MMC=y

CONFIG_MMC=y

CONFIG_MMC_SDHI=y

CONFIG_MMC_SDHI=y

CONFIG_MMC_SH_MMCIF=y

CONFIG_MMC_SH_MMCIF=y

CONFIG_RTC_CLASS=y

CONFIG_RTC_DRV_S35390A=y

CONFIG_DMADEVICES=y

CONFIG_DMADEVICES=y

CONFIG_SH_DMAE=y

CONFIG_SH_DMAE=y

CONFIG_UIO=y

CONFIG_UIO=y

arch/arm/mach-shmobile/board-armadillo800eva.c

+25 −0
Original line number Original line Diff line number Diff line
@@ -37,6 +37,7 @@ 
#include <linux/mmc/host.h>

#include <linux/mmc/host.h>

#include <linux/mmc/sh_mmcif.h>

#include <linux/mmc/sh_mmcif.h>

#include <linux/mmc/sh_mobile_sdhi.h>

#include <linux/mmc/sh_mobile_sdhi.h>

#include <linux/i2c-gpio.h>

#include <mach/common.h>

#include <mach/common.h>

#include <mach/irqs.h>

#include <mach/irqs.h>

#include <mach/r8a7740.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 */

/* I2C */

static struct i2c_board_info i2c0_devices[] = {

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

 * board devices

 */

 */
@@ -903,6 +926,7 @@ static struct platform_device *eva_devices[] __initdata = { 
	&fsi_device,

	&fsi_device,

	&fsi_hdmi_device,

	&fsi_hdmi_device,

	&fsi_wm8978_device,

	&fsi_wm8978_device,

	&i2c_gpio_device,

};

};





static void __init eva_clock_init(void)

static void __init eva_clock_init(void)
@@ -1173,6 +1197,7 @@ static void __init eva_init(void) 
#endif

#endif





	i2c_register_board_info(0, i2c0_devices, ARRAY_SIZE(i2c0_devices));

	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();

	r8a7740_add_standard_devices();