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ENGR00124812-2: MX50 add Max17135 Display pmic init to MSL

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Maxim 17135 PMIC init added to MSL in conjunction with addition
of Maxim 17135 regulator driver and I2C client.

Signed-off-by: Danny Nold <dannynold@freescale.com>
This commit is contained in:
Danny Nold
2010-07-12 15:25:27 -05:00
committed by Matt Sealey
parent 2ac9e0c059
commit fcb535c325
1 changed files with 75 additions and 0 deletions
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75
arch/arm/mach-mx5/mx50_arm2.c
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@@ -37,6 +37,8 @@
#include <linux/mtd/map.h>
#include <linux/mtd/partitions.h>
#include <linux/regulator/consumer.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/max17135.h>
#include <linux/pmic_external.h>
#include <linux/pmic_status.h>
#include <linux/videodev2.h>
@@ -142,6 +144,78 @@ static struct mxc_srtc_platform_data srtc_data = {
.srtc_sec_mode_addr = OCOTP_CTRL_BASE_ADDR + 0x80,
};
#define mV_to_uV(mV) (mV * 1000)
#define uV_to_mV(uV) (uV / 1000)
#define V_to_uV(V) (mV_to_uV(V * 1000))
#define uV_to_V(uV) (uV_to_mV(uV) / 1000)
static struct regulator_init_data max17135_init_data[] __initdata = {
{
.constraints = {
.name = "DISPLAY",
},
}, {
.constraints = {
.name = "GVDD",
.min_uV = V_to_uV(20),
.max_uV = V_to_uV(20),
},
}, {
.constraints = {
.name = "GVEE",
.min_uV = V_to_uV(-22),
.max_uV = V_to_uV(-22),
},
}, {
.constraints = {
.name = "HVINN",
.min_uV = V_to_uV(-22),
.max_uV = V_to_uV(-22),
},
}, {
.constraints = {
.name = "HVINP",
.min_uV = V_to_uV(20),
.max_uV = V_to_uV(20),
},
}, {
.constraints = {
.name = "VCOM",
.min_uV = mV_to_uV(-4325),
.max_uV = mV_to_uV(-500),
.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
},
}, {
.constraints = {
.name = "VNEG",
.min_uV = V_to_uV(-15),
.max_uV = V_to_uV(-15),
},
}, {
.constraints = {
.name = "VPOS",
.min_uV = V_to_uV(15),
.max_uV = V_to_uV(15),
},
},
};
static struct max17135_platform_data max17135_pdata = {
.vneg_pwrup = 1,
.gvee_pwrup = 1,
.vpos_pwrup = 2,
.gvdd_pwrup = 1,
.gvdd_pwrdn = 1,
.vpos_pwrdn = 2,
.gvee_pwrdn = 1,
.vneg_pwrdn = 1,
.gpio_pmic_pwrgood = IOMUX_TO_GPIO(MX50_PIN_EPDC_PWRSTAT),
.gpio_pmic_vcom_ctrl = IOMUX_TO_GPIO(MX50_PIN_EPDC_VCOM0),
.gpio_pmic_wakeup = IOMUX_TO_GPIO(MX50_PIN_UART4_TXD),
.gpio_pmic_intr = IOMUX_TO_GPIO(MX50_PIN_UART4_RXD),
.regulator_init = max17135_init_data,
};
static struct i2c_board_info mxc_i2c1_board_info[] __initdata = {
{
.type = "sgtl5000-i2c",
@@ -160,6 +234,7 @@ static struct i2c_board_info mxc_i2c1_board_info[] __initdata = {
static struct i2c_board_info mxc_i2c2_board_info[] __initdata = {
{
I2C_BOARD_INFO("max17135", 0x48),
.platform_data = &max17135_pdata,
},
};