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Commit ccc2a27b authored by Kuninori Morimoto's avatar Kuninori Morimoto Committed by Simon Horman
Browse files

ARM: shmobile: r8a7779: add I2C driver support 



This patch enable R-Car I2C driver

Signed-off-by: default avatarKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: default avatarSimon Horman <horms@verge.net.au>
parent 16c40abc

arch/arm/configs/marzen_defconfig

+2 −0
Original line number Diff line number Diff line
@@ -69,6 +69,8 @@ CONFIG_SERIAL_SH_SCI=y 
CONFIG_SERIAL_SH_SCI_NR_UARTS=6

CONFIG_SERIAL_SH_SCI_CONSOLE=y

# CONFIG_HW_RANDOM is not set

CONFIG_I2C=y

CONFIG_I2C_RCAR=y

CONFIG_GPIO_SYSFS=y

# CONFIG_HWMON is not set

CONFIG_THERMAL=y

arch/arm/mach-shmobile/setup-r8a7779.c

+77 −0
Original line number Diff line number Diff line
@@ -229,6 +229,79 @@ static struct platform_device tmu01_device = { 
	.num_resources	= ARRAY_SIZE(tmu01_resources),

};



/* I2C */

static struct resource rcar_i2c0_res[] = {

	{

		.start  = 0xffc70000,

		.end    = 0xffc70fff,

		.flags  = IORESOURCE_MEM,

	}, {

		.start  = gic_spi(79),

		.flags  = IORESOURCE_IRQ,

	},

};



static struct platform_device i2c0_device = {

	.name		= "i2c-rcar",

	.id		= 0,

	.resource	= rcar_i2c0_res,

	.num_resources	= ARRAY_SIZE(rcar_i2c0_res),

};



static struct resource rcar_i2c1_res[] = {

	{

		.start  = 0xffc71000,

		.end    = 0xffc71fff,

		.flags  = IORESOURCE_MEM,

	}, {

		.start  = gic_spi(82),

		.flags  = IORESOURCE_IRQ,

	},

};



static struct platform_device i2c1_device = {

	.name		= "i2c-rcar",

	.id		= 1,

	.resource	= rcar_i2c1_res,

	.num_resources	= ARRAY_SIZE(rcar_i2c1_res),

};



static struct resource rcar_i2c2_res[] = {

	{

		.start  = 0xffc72000,

		.end    = 0xffc72fff,

		.flags  = IORESOURCE_MEM,

	}, {

		.start  = gic_spi(80),

		.flags  = IORESOURCE_IRQ,

	},

};



static struct platform_device i2c2_device = {

	.name		= "i2c-rcar",

	.id		= 2,

	.resource	= rcar_i2c2_res,

	.num_resources	= ARRAY_SIZE(rcar_i2c2_res),

};



static struct resource rcar_i2c3_res[] = {

	{

		.start  = 0xffc73000,

		.end    = 0xffc73fff,

		.flags  = IORESOURCE_MEM,

	}, {

		.start  = gic_spi(81),

		.flags  = IORESOURCE_IRQ,

	},

};



static struct platform_device i2c3_device = {

	.name		= "i2c-rcar",

	.id		= 3,

	.resource	= rcar_i2c3_res,

	.num_resources	= ARRAY_SIZE(rcar_i2c3_res),

};



static struct platform_device *r8a7779_early_devices[] __initdata = {

	&scif0_device,

	&scif1_device,
@@ -238,6 +311,10 @@ static struct platform_device *r8a7779_early_devices[] __initdata = { 
	&scif5_device,

	&tmu00_device,

	&tmu01_device,

	&i2c0_device,

	&i2c1_device,

	&i2c2_device,

	&i2c3_device,

};



static struct platform_device *r8a7779_late_devices[] __initdata = {