diff options
Diffstat (limited to 'src/soc/rockchip/rk3399')
| -rw-r--r-- | src/soc/rockchip/rk3399/romstage.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/src/soc/rockchip/rk3399/romstage.c b/src/soc/rockchip/rk3399/romstage.c index b65a9adc87..11454d3d04 100644 --- a/src/soc/rockchip/rk3399/romstage.c +++ b/src/soc/rockchip/rk3399/romstage.c @@ -41,6 +41,7 @@ static void init_dvs_outputs(void) { int duty_ns; uint32_t i; + uint32_t id; write32(&rk3399_grf->iomux_pwm_0, IOMUX_PWM_0); /* GPU */ write32(&rk3399_grf->iomux_pwm_1, IOMUX_PWM_1); /* Big */ @@ -76,10 +77,15 @@ static void init_dvs_outputs(void) * period = 3337, volt = 1.0: 2383 * period = 3337, volt = 0.9: 2860 */ - if (IS_ENABLED(CONFIG_BOARD_GOOGLE_KEVIN) && (board_id() <= 2)) - duty_ns = 1906; /* 1.1v */ - else - duty_ns = 2860; /* 0.9v */ + duty_ns = 2860; /* 0.9v */ + + if (IS_ENABLED(CONFIG_BOARD_GOOGLE_KEVIN)) { + id = board_id(); + if (id <= 2) + duty_ns = 1906; /* 1.1v */ + else if (id == 3) + duty_ns = 2621; /* 0.95v */ + } for (i = 0; i < 4; i++) pwm_init(i, 3337, duty_ns); |