mx5: Add i2c to Freescale MX51 Babbage HW

This patch adds I2C functionality to the Freescale MX51 Babbage HW.
The patch adds device structures, i2c board slave device defines,
IOMUX pin defines, and clocks.

Signed-off-by: Dinh Nguyen <Dinh.Nguyen@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 58 insertions, 0 deletions

diff --git a/arch/arm/mach-mx5/devices.c b/arch/arm/mach-mx5/devices.c
index 7130449aacdc..ede4fcbc7e80 100644
--- a/arch/arm/mach-mx5/devices.c
+++ b/arch/arm/mach-mx5/devices.c
@@ -93,6 +93,64 @@ struct platform_device mxc_fec_device = {
         .resource = mxc_fec_resources,
 };
 
+static struct resource mxc_i2c0_resources[] = {
+        {
+                .start = MX51_I2C1_BASE_ADDR,
+                .end = MX51_I2C1_BASE_ADDR + SZ_4K - 1,
+                .flags = IORESOURCE_MEM,
+        }, {
+                .start = MX51_MXC_INT_I2C1,
+                .end = MX51_MXC_INT_I2C1,
+                .flags = IORESOURCE_IRQ,
+        },
+};
+
+struct platform_device mxc_i2c_device0 = {
+        .name = "imx-i2c",
+        .id = 0,
+        .num_resources = ARRAY_SIZE(mxc_i2c0_resources),
+        .resource = mxc_i2c0_resources,
+};
+
+static struct resource mxc_i2c1_resources[] = {
+        {
+                .start = MX51_I2C2_BASE_ADDR,
+                .end = MX51_I2C2_BASE_ADDR + SZ_4K - 1,
+                .flags = IORESOURCE_MEM,
+        }, {
+                .start = MX51_MXC_INT_I2C2,
+                .end = MX51_MXC_INT_I2C2,
+                .flags = IORESOURCE_IRQ,
+        },
+};
+
+struct platform_device mxc_i2c_device1 = {
+        .name = "imx-i2c",
+        .id = 1,
+        .num_resources = ARRAY_SIZE(mxc_i2c1_resources),
+        .resource = mxc_i2c1_resources,
+};
+
+static struct resource mxc_hsi2c_resources[] = {
+        {
+                .start = MX51_HSI2C_DMA_BASE_ADDR,
+                .end = MX51_HSI2C_DMA_BASE_ADDR + SZ_16K - 1,
+                .flags = IORESOURCE_MEM,
+        },
+        {
+                .start = MX51_MXC_INT_HS_I2C,
+                .end = MX51_MXC_INT_HS_I2C,
+                .flags = IORESOURCE_IRQ,
+        },
+};
+
+struct platform_device mxc_hsi2c_device = {
+        .name = "imx-i2c",
+        .id = 2,
+        .num_resources = ARRAY_SIZE(mxc_hsi2c_resources),
+        .resource = mxc_hsi2c_resources
+};
+
 static u64 usb_dma_mask = DMA_BIT_MASK(32);
 
 static struct resource usbotg_resources[] = {