diff options
Diffstat (limited to 'drivers/video/exynos/exynos_dp_reg.c')
| -rw-r--r-- | drivers/video/exynos/exynos_dp_reg.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/video/exynos/exynos_dp_reg.c b/drivers/video/exynos/exynos_dp_reg.c index 169d1810d30c..3863726f5874 100644 --- a/drivers/video/exynos/exynos_dp_reg.c +++ b/drivers/video/exynos/exynos_dp_reg.c @@ -65,6 +65,28 @@ void exynos_dp_lane_swap(struct exynos_dp_device *dp, bool enable) writel(reg, dp->reg_base + EXYNOS_DP_LANE_MAP); } +void exynos_dp_init_analog_param(struct exynos_dp_device *dp) +{ + u32 reg; + + reg = TX_TERMINAL_CTRL_50_OHM; + writel(reg, dp->reg_base + EXYNOS_DP_ANALOG_CTL_1); + + reg = SEL_24M | TX_DVDD_BIT_1_0625V; + writel(reg, dp->reg_base + EXYNOS_DP_ANALOG_CTL_2); + + reg = DRIVE_DVDD_BIT_1_0625V | VCO_BIT_600_MICRO; + writel(reg, dp->reg_base + EXYNOS_DP_ANALOG_CTL_3); + + reg = PD_RING_OSC | AUX_TERMINAL_CTRL_50_OHM | + TX_CUR1_2X | TX_CUR_8_MA; + writel(reg, dp->reg_base + EXYNOS_DP_PLL_FILTER_CTL_1); + + reg = CH3_AMP_400_MV | CH2_AMP_400_MV | + CH1_AMP_400_MV | CH0_AMP_400_MV; + writel(reg, dp->reg_base + EXYNOS_DP_TX_AMP_TUNING_CTL); +} + void exynos_dp_init_interrupt(struct exynos_dp_device *dp) { /* Set interrupt pin assertion polarity as high */ @@ -131,6 +153,7 @@ void exynos_dp_reset(struct exynos_dp_device *dp) writel(0x00000101, dp->reg_base + EXYNOS_DP_SOC_GENERAL_CTL); + exynos_dp_init_analog_param(dp); exynos_dp_init_interrupt(dp); } |