diff options
| author | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2016-06-27 11:02:40 +0200 |
|---|---|---|
| committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2017-01-11 21:27:15 +0100 |
| commit | 9b44a6adb9c63388c865b9807f42c25346128306 (patch) | |
| tree | fe1ec636ce9e96d07258b72594b31702842d8a7d /arch | |
| parent | 4a54f9869e24cca95f05da3abae81cf9c80d7e77 (diff) | |
apalis/colibri_t30: vdd core pmic handling
Just release TPS65911 GPIO1 (EN_CORE_DVFS_N) connected to TPS62362
VSEL1 to switch VDD_CORE back to boot set 1 defaulting to 1.200V.
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Acked-by: Max Krummenacher <max.krummenacher@toradex.com>
(cherry picked from commit 622d408fea7af6d2ed778b546de346e90ea1a21f)
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-tegra/tegra30/cpu.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/tegra30/cpu.c b/arch/arm/mach-tegra/tegra30/cpu.c index 66b021b8245..e0c99842a0a 100644 --- a/arch/arm/mach-tegra/tegra30/cpu.c +++ b/arch/arm/mach-tegra/tegra30/cpu.c @@ -40,6 +40,8 @@ void tegra_i2c_ll_write_data(uint data, uint config) #define TPS62361B_SET3_DATA (0x4600 | TPS62361B_SET3_REG) #define TPS65911_I2C_ADDR 0x5A +#define TPS65911_GPIO1_REG 0x61 +#define TPS65911_GPIO1_DATA (0x0000 | TPS65911_GPIO1_REG) #define TPS65911_VDDCTRL_OP_REG 0x28 #define TPS65911_VDDCTRL_SR_REG 0x27 #define TPS65911_VDDCTRL_OP_DATA (0x2400 | TPS65911_VDDCTRL_OP_REG) @@ -65,6 +67,14 @@ static void enable_cpu_power_rail(void) tegra_i2c_ll_write_addr(TPS62361B_I2C_ADDR, 2); tegra_i2c_ll_write_data(TPS62361B_SET3_DATA, I2C_SEND_2_BYTES); #endif +#ifdef CONFIG_TEGRA_VDD_CORE_TPS62362_SET_TPS65911_GPIO1 + /* + * Just release TPS65911 GPIO1 (EN_CORE_DVFS_N) connected to TPS62362 + * VSEL1 to switch VDD_CORE back to boot set 1 defaulting to 1.200V + */ + tegra_i2c_ll_write_addr(TPS65911_I2C_ADDR, 2); + tegra_i2c_ll_write_data(TPS65911_GPIO1_DATA, I2C_SEND_2_BYTES); +#endif udelay(1000); /* |