[ARM] pxa/balloon3: Add MAX1586 PMIC support

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>

1 files changed, 55 insertions, 0 deletions

diff --git a/arch/arm/mach-pxa/balloon3.c b/arch/arm/mach-pxa/balloon3.c
index e2eb0b79634e..9041340fee1d 100644
--- a/arch/arm/mach-pxa/balloon3.c
+++ b/arch/arm/mach-pxa/balloon3.c
@@ -29,6 +29,7 @@
 #include <linux/i2c/pcf857x.h>
 #include <linux/mtd/nand.h>
 #include <linux/mtd/physmap.h>
+#include <linux/regulator/max1586.h>
 
 #include <asm/setup.h>
 #include <asm/mach-types.h>
@@ -680,6 +681,59 @@ static inline void balloon3_nand_init(void) {}
 #endif
 
 /******************************************************************************
+ * Core power regulator
+ ******************************************************************************/
+#if defined(CONFIG_REGULATOR_MAX1586) || \
+    defined(CONFIG_REGULATOR_MAX1586_MODULE)
+static struct regulator_consumer_supply balloon3_max1587a_consumers[] = {
+        {
+                .supply = "vcc_core",
+        }
+};
+
+static struct regulator_init_data balloon3_max1587a_v3_info = {
+        .constraints = {
+                .name           = "vcc_core range",
+                .min_uV         = 900000,
+                .max_uV         = 1705000,
+                .always_on      = 1,
+                .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
+        },
+        .consumer_supplies      = balloon3_max1587a_consumers,
+        .num_consumer_supplies  = ARRAY_SIZE(balloon3_max1587a_consumers),
+};
+
+static struct max1586_subdev_data balloon3_max1587a_subdevs[] = {
+        {
+                .name           = "vcc_core",
+                .id             = MAX1586_V3,
+                .platform_data  = &balloon3_max1587a_v3_info,
+        }
+};
+
+static struct max1586_platform_data balloon3_max1587a_info = {
+        .subdevs     = balloon3_max1587a_subdevs,
+        .num_subdevs = ARRAY_SIZE(balloon3_max1587a_subdevs),
+        .v3_gain     = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */
+};
+
+static struct i2c_board_info __initdata balloon3_pi2c_board_info[] = {
+        {
+                I2C_BOARD_INFO("max1586", 0x14),
+                .platform_data  = &balloon3_max1587a_info,
+        },
+};
+
+static void __init balloon3_pmic_init(void)
+{
+        pxa27x_set_i2c_power_info(NULL);
+        i2c_register_board_info(1, ARRAY_AND_SIZE(balloon3_pi2c_board_info));
+}
+#else
+static inline void balloon3_pmic_init(void) {}
+#endif
+
+/******************************************************************************
  * Machine init
  ******************************************************************************/
 static void __init balloon3_init(void)
@@ -699,6 +753,7 @@ static void __init balloon3_init(void)
         balloon3_mmc_init();
         balloon3_nand_init();
         balloon3_nor_init();
+        balloon3_pmic_init();
         balloon3_ts_init();
         balloon3_udc_init();
         balloon3_uhc_init();