[ARM] pxa/vpac270: Add PMIC support

This patch adds support for the MAX1587A used on Voipac PXA270 board.

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>

diff --git a/arch/arm/mach-pxa/vpac270.c b/arch/arm/mach-pxa/vpac270.c
index fb4b801dab0376f68e26c07892bbecc7e56ac80e..08115b318e3d2d555be1fca60e86d704561ba2a6 100644 (file)
--- a/arch/arm/mach-pxa/vpac270.c
+++ b/arch/arm/mach-pxa/vpac270.c
@@ -25,6 +25,7 @@
 #include <linux/dm9000.h>
 #include <linux/ucb1400.h>
 #include <linux/ata_platform.h>
+#include <linux/regulator/max1586.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -465,7 +466,6 @@ static struct i2c_board_info __initdata vpac270_i2c_devs[] = {
 
 static void __init vpac270_rtc_init(void)
 {
-       pxa_set_i2c_info(NULL);
        i2c_register_board_info(0, ARRAY_AND_SIZE(vpac270_i2c_devs));
 }
 #else
@@ -587,6 +587,59 @@ static void __init vpac270_ide_init(void)
 static inline void vpac270_ide_init(void) {}
 #endif
 
+/******************************************************************************
+ * Core power regulator
+ ******************************************************************************/
+#if defined(CONFIG_REGULATOR_MAX1586) || \
+    defined(CONFIG_REGULATOR_MAX1586_MODULE)
+static struct regulator_consumer_supply vpac270_max1587a_consumers[] = {
+       {
+               .supply = "vcc_core",
+       }
+};
+
+static struct regulator_init_data vpac270_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      = vpac270_max1587a_consumers,
+       .num_consumer_supplies  = ARRAY_SIZE(vpac270_max1587a_consumers),
+};
+
+static struct max1586_subdev_data vpac270_max1587a_subdevs[] = {
+       {
+               .name           = "vcc_core",
+               .id             = MAX1586_V3,
+               .platform_data  = &vpac270_max1587a_v3_info,
+       }
+};
+
+static struct max1586_platform_data vpac270_max1587a_info = {
+       .subdevs     = vpac270_max1587a_subdevs,
+       .num_subdevs = ARRAY_SIZE(vpac270_max1587a_subdevs),
+       .v3_gain     = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */
+};
+
+static struct i2c_board_info __initdata vpac270_pi2c_board_info[] = {
+       {
+               I2C_BOARD_INFO("max1586", 0x14),
+               .platform_data  = &vpac270_max1587a_info,
+       },
+};
+
+static void __init vpac270_pmic_init(void)
+{
+       i2c_register_board_info(1, ARRAY_AND_SIZE(vpac270_pi2c_board_info));
+}
+#else
+static inline void vpac270_pmic_init(void) {}
+#endif
+
+
 /******************************************************************************
  * Machine init
  ******************************************************************************/
@@ -597,7 +650,10 @@ static void __init vpac270_init(void)
        pxa_set_ffuart_info(NULL);
        pxa_set_btuart_info(NULL);
        pxa_set_stuart_info(NULL);
+       pxa_set_i2c_info(NULL);
+       pxa27x_set_i2c_power_info(NULL);
 
+       vpac270_pmic_init();
        vpac270_lcd_init();
        vpac270_mmc_init();
        vpac270_nor_init();