[PATCH 1/4] pxa/z2: Add regulator support
Marek Vasut
marek.vasut at gmail.com
Thu Jun 24 10:02:09 EDT 2010
Register TPS65021 regulator in Zipit Z2.
Signed-off-by: Marek Vasut <marek.vasut at gmail.com>
---
arch/arm/mach-pxa/z2.c | 71 ++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 71 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-pxa/z2.c b/arch/arm/mach-pxa/z2.c
index 4cba5b6..1bafb23 100644
--- a/arch/arm/mach-pxa/z2.c
+++ b/arch/arm/mach-pxa/z2.c
@@ -26,6 +26,7 @@
#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>
@@ -616,6 +617,75 @@ 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
******************************************************************************/
static void __init z2_init(void)
@@ -635,6 +705,7 @@ static void __init z2_init(void)
z2_pwm_init();
z2_leds_init();
z2_keys_init();
+ z2_pmic_init();
}
MACHINE_START(ZIPIT2, "Zipit Z2")
--
1.7.1
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