omap: use common initialization for PMIC i2c bus

Introduce omap_pmic_init that registers i2c bus and PMIC device on that
bus and add omap2/3/4 wrappers for common cases.

Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>

1 files changed, 21 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/common-board-devices.c b/arch/arm/mach-omap2/common-board-devices.c
index fad41ec62300..cea31dda3a73 100644
--- a/arch/arm/mach-omap2/common-board-devices.c
+++ b/arch/arm/mach-omap2/common-board-devices.c
@@ -20,14 +20,35 @@
  *
  */
 
+#include <linux/i2c.h>
+#include <linux/i2c/twl.h>
+
 #include <linux/gpio.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/ads7846.h>
 
+#include <plat/i2c.h>
 #include <plat/mcspi.h>
 
 #include "common-board-devices.h"
 
+static struct i2c_board_info __initdata pmic_i2c_board_info = {
+        .addr           = 0x48,
+        .flags          = I2C_CLIENT_WAKE,
+};
+
+void __init omap_pmic_init(int bus, u32 clkrate,
+                           const char *pmic_type, int pmic_irq,
+                           struct twl4030_platform_data *pmic_data)
+{
+        strncpy(pmic_i2c_board_info.type, pmic_type,
+                sizeof(pmic_i2c_board_info.type));
+        pmic_i2c_board_info.irq = pmic_irq;
+        pmic_i2c_board_info.platform_data = pmic_data;
+
+        omap_register_i2c_bus(bus, clkrate, &pmic_i2c_board_info, 1);
+}
+
 static struct omap2_mcspi_device_config ads7846_mcspi_config = {
         .turbo_mode     = 0,
         .single_channel = 1,    /* 0: slave, 1: master */