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[ARM] pxa/z2: Add regulator support 

Register TPS65021 regulator in Zipit Z2.

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
This commit is contained in:
Marek Vasut 2010-06-24 16:02:09 +02:00 committed by Eric Miao
parent 9c3fca2ee6
commit 320bbb86b3
1 changed files with 71 additions and 0 deletions
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71
arch/arm/mach-pxa/z2.c
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@ -27,6 +27,7 @@
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
#include <linux/delay.h>
#include <linux/regulator/machine.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@ -609,6 +610,75 @@ static void __init z2_spi_init(void)
static inline void z2_spi_init(void) {}
#endif
/******************************************************************************
* Core power regulator
******************************************************************************/
#if defined(CONFIG_REGULATOR_TPS65023) || \
defined(CONFIG_REGULATOR_TPS65023_MODULE)
static struct regulator_consumer_supply z2_tps65021_consumers[] = {
{
.supply = "vcc_core",
}
};
static struct regulator_init_data z2_tps65021_info[] = {
{
.constraints = {
.name = "vcc_core range",
.min_uV = 800000,
.max_uV = 1600000,
.always_on = 1,
.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
},
.consumer_supplies = z2_tps65021_consumers,
.num_consumer_supplies = ARRAY_SIZE(z2_tps65021_consumers),
}, {
.constraints = {
.name = "DCDC2",
.min_uV = 3300000,
.max_uV = 3300000,
.always_on = 1,
},
}, {
.constraints = {
.name = "DCDC3",
.min_uV = 1800000,
.max_uV = 1800000,
.always_on = 1,
},
}, {
.constraints = {
.name = "LDO1",
.min_uV = 1000000,
.max_uV = 3150000,
.always_on = 1,
},
}, {
.constraints = {
.name = "LDO2",
.min_uV = 1050000,
.max_uV = 3300000,
.always_on = 1,
},
}
};
static struct i2c_board_info __initdata z2_pi2c_board_info[] = {
{
I2C_BOARD_INFO("tps65021", 0x48),
.platform_data = &z2_tps65021_info,
},
};
static void __init z2_pmic_init(void)
{
pxa27x_set_i2c_power_info(NULL);
i2c_register_board_info(1, ARRAY_AND_SIZE(z2_pi2c_board_info));
}
#else
static inline void z2_pmic_init(void) {}
#endif
/******************************************************************************
* Machine init
******************************************************************************/
@ -629,6 +699,7 @@ static void __init z2_init(void)
z2_pwm_init();
z2_leds_init();
z2_keys_init();
z2_pmic_init();
}
MACHINE_START(ZIPIT2, "Zipit Z2")