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ARM: shmobile: r8a7779: add I2C driver support

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This patch enable R-Car I2C driver

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
This commit is contained in:
Kuninori Morimoto 2012-10-10 19:56:51 -07:00 • committed by Simon Horman
parent 16c40abcfa
commit ccc2a27b15
2 changed files with 79 additions and 0 deletions
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2
arch/arm/configs/marzen_defconfig
View file

@ -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

77
arch/arm/mach-shmobile/setup-r8a7779.c
View file

@ -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 = {