diff options
-rw-r--r-- | arch/arm/cpu/armv7/tegra-common/ap20.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/tegra-common/ap20.c b/arch/arm/cpu/armv7/tegra-common/ap20.c index 4f54dd61218..65a9dd3b3e8 100644 --- a/arch/arm/cpu/armv7/tegra-common/ap20.c +++ b/arch/arm/cpu/armv7/tegra-common/ap20.c @@ -340,9 +340,13 @@ static void enable_cpu_power_rail(enum tegra_family_t family) * For now we do this here. We need to find out what this is * doing, tidy up the code and find a better place for it. */ + /* Write to i2c addr 2d, 2 byte data length, i.e. the PMIC */ tegra_i2c_ll_write_addr(0x005a, 0x0002); + /* Write 28 then 23, Register 0x28, 0x23: VDDCtrl Voltage to + 1000mV */ tegra_i2c_ll_write_data(0x2328, 0x0a02); udelay(1000); + /* Write 27 then 1, Register 0x27, 1: VDDCtrl Voltage On */ tegra_i2c_ll_write_data(0x0127, 0x0a02); udelay(10 * 1000); } |