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authorKuninori Morimoto <kuninori.morimoto.gx@renesas.com>2012-10-10 19:56:51 -0700
committerSimon Horman <horms@verge.net.au>2012-11-06 13:47:23 +0900
commitccc2a27b15c978334927cea9f1156f019a01b833 (patch)
treea101c74e4a2ad3ea45cc9fe1f6a75db952b9b769 /arch
parent16c40abcfa8738da9aa0e25b407bbf0dcbdd5e13 (diff)
ARM: shmobile: r8a7779: add I2C driver support
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>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/configs/marzen_defconfig2
-rw-r--r--arch/arm/mach-shmobile/setup-r8a7779.c77
2 files changed, 79 insertions, 0 deletions
diff --git a/arch/arm/configs/marzen_defconfig b/arch/arm/configs/marzen_defconfig
index 53382b6c8bb4..f79b55c512d0 100644
--- a/arch/arm/configs/marzen_defconfig
+++ b/arch/arm/configs/marzen_defconfig
@@ -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
diff --git a/arch/arm/mach-shmobile/setup-r8a7779.c b/arch/arm/mach-shmobile/setup-r8a7779.c
index 2917668f0091..63de5cb28e4a 100644
--- a/arch/arm/mach-shmobile/setup-r8a7779.c
+++ b/arch/arm/mach-shmobile/setup-r8a7779.c
@@ -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 = {