diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/rockchip/rk3288/rk808.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/soc/rockchip/rk3288/rk808.c b/src/soc/rockchip/rk3288/rk808.c index d375f46483..b922d81c77 100644 --- a/src/soc/rockchip/rk3288/rk808.c +++ b/src/soc/rockchip/rk3288/rk808.c @@ -54,6 +54,7 @@ #define RTC_CTRL_GET_TIME (1 << 6) #define RTC_CTRL_RTC_READSEL (1 << 7) +#define DCDC_UV_ACT 0x28 #define DCDC_ILMAX 0x90 static int rk808_read(uint8_t reg, uint8_t *value) @@ -134,6 +135,10 @@ void rk808_configure_buck(int buck, int millivolts) die("Unknown buck index!"); } rk808_clrsetbits(DCDC_ILMAX, 0, 3 << ((buck - 1) * 2)); + + /* undervoltage detection may be wrong, disable it */ + rk808_clrsetbits(DCDC_UV_ACT, 1 << (buck - 1), 0); + rk808_clrsetbits(buck_reg, 0x3f, vsel); rk808_clrsetbits(DCDC_EN, 0, 1 << (buck - 1)); } |