i2c: New ARM Versatile/Realview bus driver

Add support for the I2C bus found on the ARM Versatile and Realview
platforms.  The I2C bus has a RTC and optionally some EEPROMs attached.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Jean Delvare <khali@linux-fr.org>

1 files changed, 14 insertions, 0 deletions

diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c
index 57196947559f..bf71507c76fd 100644
--- a/arch/arm/mach-versatile/core.c
+++ b/arch/arm/mach-versatile/core.c
@@ -325,6 +325,19 @@ static struct platform_device smc91x_device = {
         .resource       = smc91x_resources,
 };
 
+static struct resource versatile_i2c_resource = {
+        .start                  = VERSATILE_I2C_BASE,
+        .end                    = VERSATILE_I2C_BASE + SZ_4K - 1,
+        .flags                  = IORESOURCE_MEM,
+};
+
+static struct platform_device versatile_i2c_device = {
+        .name                   = "versatile-i2c",
+        .id                     = -1,
+        .num_resources          = 1,
+        .resource               = &versatile_i2c_resource,
+};
+
 #define VERSATILE_SYSMCI        (__io_address(VERSATILE_SYS_BASE) + VERSATILE_SYS_MCI_OFFSET)
 
 unsigned int mmc_status(struct device *dev)
@@ -775,6 +788,7 @@ void __init versatile_init(void)
         clk_register(&versatile_clcd_clk);
 
         platform_device_register(&versatile_flash_device);
+        platform_device_register(&versatile_i2c_device);
         platform_device_register(&smc91x_device);
 
         for (i = 0; i < ARRAY_SIZE(amba_devs); i++) {