[PATCH v2 11/21] ARM: pxa: magician: Add MAX1586 Vcore regulator support

Petr Cvek
2015-08-17T21:58:56Z

Add support for MAX1586 Vcore regulator.

Signed-off-by: Petr Cvek <petr.cvek@tul.cz>
---
arch/arm/mach-pxa/magician.c | 50 ++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 50 insertions(+)

diff --git a/arch/arm/mach-pxa/magician.c b/arch/arm/mach-pxa/magician.c
index 9decd86..8ca0b67 100644
--- a/arch/arm/mach-pxa/magician.c
+++ b/arch/arm/mach-pxa/magician.c
@@ -96,6 +96,8 @@

#include <sound/uda1380.h>

+#include <linux/regulator/max1586.h>
+
#include "devices.h"
#include "generic.h"

@@ -864,6 +866,52 @@ static struct platform_device vads7846_device = {
};

/*
+ * Vcore regulator MAX1587A
+ */
+
+static struct regulator_consumer_supply magician_max1587a_consumers[] = {
+ REGULATOR_SUPPLY("vcc_core", NULL),
+};
+
+static struct regulator_init_data magician_max1587a_v3_info = {
+ .constraints = {
+ .name = "vcc_core range",
+ .min_uV = 700000,
+ .max_uV = 1500000,
+ .always_on = 1,
+ .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
+ },
+ .consumer_supplies = magician_max1587a_consumers,
+ .num_consumer_supplies = ARRAY_SIZE(magician_max1587a_consumers),
+};
+
+static struct max1586_subdev_data magician_max1587a_subdevs[] = {
+ {
+ .name = "vcc_core",
+ .id = MAX1586_V3,
+ .platform_data = &magician_max1587a_v3_info,
+ }
+};
+
+static struct max1586_platform_data magician_max1587a_info = {
+ .subdevs = magician_max1587a_subdevs,
+ .num_subdevs = ARRAY_SIZE(magician_max1587a_subdevs),
+ /*
+ * NOTICE measured directly on the PCB (board_id == 0x3a), but
+ * if R24 is present, it will boost the voltage
+ * (write 1.475V, get 1.645V and smoke)
+ */
+ .v3_gain = MAX1586_GAIN_NO_R24,
+};
+
+static struct i2c_board_info magician_pwr_i2c_board_info[] __initdata = {
+ {
+ I2C_BOARD_INFO("max1586", 0x14),
+ .platform_data = &magician_max1587a_info,
+ },
+};
+
+/*
* MMC/SD
*/

@@ -1173,6 +1221,8 @@ static void __init magician_init(void)
pxa_set_i2c_info(&i2c_info);
i2c_register_board_info(0,
ARRAY_AND_SIZE(magician_audio_i2c_devices));
+ i2c_register_board_info(1,
+ ARRAY_AND_SIZE(magician_pwr_i2c_board_info));

pxa_set_mci_info(&magician_mci_info);
pxa_set_ohci_info(&magician_ohci_info);
--
1.7.12.1