openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

ARM: davinci: dm644x-evm: Add Fixed regulators needed for tlv320aic33 

The codec driver needs correct regulators in order to probe.
Both VCC_3.3V and VCC_1.8V is always on fixed regulators on the board.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
This commit is contained in:
Peter Ujfalusi 2019-08-30 13:23:08 +03:00 committed by Sekhar Nori
parent 9c76e8f65d
commit 5e06d19694
1 changed files with 20 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
arch/arm/mach-davinci/board-dm644x-evm.c
View File

@ -29,6 +29,8 @@
#include <linux/v4l2-dv-timings.h>
#include <linux/export.h>
#include <linux/leds.h>
#include <linux/regulator/fixed.h>
#include <linux/regulator/machine.h>
#include <media/i2c/tvp514x.h>
@ -653,6 +655,19 @@ static struct i2c_board_info __initdata i2c_info[] = {
},
};
/* Fixed regulator support */
static struct regulator_consumer_supply fixed_supplies_3_3v[] = {
/* Baseboard 3.3V: 5V -> TPS54310PWP -> 3.3V */
REGULATOR_SUPPLY("AVDD", "1-001b"),
REGULATOR_SUPPLY("DRVDD", "1-001b"),
};
static struct regulator_consumer_supply fixed_supplies_1_8v[] = {
/* Baseboard 1.8V: 5V -> TPS54310PWP -> 1.8V */
REGULATOR_SUPPLY("IOVDD", "1-001b"),
REGULATOR_SUPPLY("DVDD", "1-001b"),
};
#define DM644X_I2C_SDA_PIN GPIO_TO_PIN(2, 12)
#define DM644X_I2C_SCL_PIN GPIO_TO_PIN(2, 11)
@ -831,6 +846,11 @@ static __init void davinci_evm_init(void)
dm644x_register_clocks();
regulator_register_always_on(0, "fixed-dummy", fixed_supplies_1_8v,
ARRAY_SIZE(fixed_supplies_1_8v), 1800000);
regulator_register_always_on(1, "fixed-dummy", fixed_supplies_3_3v,
ARRAY_SIZE(fixed_supplies_3_3v), 3300000);
dm644x_init_devices();
ret = dm644x_gpio_register();