From 54e70bffd8575580a60a879692ba41931b927c52 Mon Sep 17 00:00:00 2001
From: Marek Vasut <marek.vasut@gmail.com>
Date: Fri, 21 May 2010 03:12:43 +0200
Subject: [PATCH] [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>
---
arch/arm/mach-pxa/vpac270.c | 58 ++++++++++++++++++++++++++++++++++++-
1 file changed, 57 insertions(+), 1 deletion(-)
diff --git a/arch/arm/mach-pxa/vpac270.c b/arch/arm/mach-pxa/vpac270.c
index fb4b801dab03..08115b318e3d 100644
--- 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();