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, 24 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/common-board-devices.h b/arch/arm/mach-omap2/common-board-devices.h
index 75f9248d0bf2..0ec3e07239fc 100644
--- a/arch/arm/mach-omap2/common-board-devices.h
+++ b/arch/arm/mach-omap2/common-board-devices.h
@@ -1,6 +1,30 @@
 #ifndef __OMAP_COMMON_BOARD_DEVICES__
 #define __OMAP_COMMON_BOARD_DEVICES__
 
+struct twl4030_platform_data;
+
+void omap_pmic_init(int bus, u32 clkrate, const char *pmic_type, int pmic_irq,
+                    struct twl4030_platform_data *pmic_data);
+
+static inline void omap2_pmic_init(const char *pmic_type,
+                                   struct twl4030_platform_data *pmic_data)
+{
+        omap_pmic_init(2, 2600, pmic_type, INT_24XX_SYS_NIRQ, pmic_data);
+}
+
+static inline void omap3_pmic_init(const char *pmic_type,
+                                   struct twl4030_platform_data *pmic_data)
+{
+        omap_pmic_init(1, 2600, pmic_type, INT_34XX_SYS_NIRQ, pmic_data);
+}
+
+static inline void omap4_pmic_init(const char *pmic_type,
+                                   struct twl4030_platform_data *pmic_data)
+{
+        /* Phoenix Audio IC needs I2C1 to start with 400 KHz or less */
+        omap_pmic_init(1, 400, pmic_type, OMAP44XX_IRQ_SYS_1N, pmic_data);
+}
+
 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || \
         defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
 struct ads7846_platform_data;