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phy: rockchip: mipi-dcphy: set EMP depending on data rate

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Signed-off-by: Guochun Huang <hero.huang@rock-chips.com>
Change-Id: I4d1ea156991471ac2beb3ecad0d2cfd6666527cf
This commit is contained in:
Guochun Huang
2021-11-08 10:41:44 +08:00
committed by Tao Huang
parent 1490bd254f
commit c0a4b403db
1 changed files with 9 additions and 5 deletions
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14
drivers/phy/rockchip/phy-rockchip-samsung-dcphy.c
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@@ -1529,7 +1529,9 @@ samsung_mipi_dphy_clk_lane_timing_init(struct samsung_mipi_dcphy *samsung)
timing = samsung_mipi_dphy_get_timing(samsung);
regmap_write(samsung->regmap, DPHY_MC_GNR_CON0, 0xf000);
regmap_write(samsung->regmap, DPHY_MC_ANA_CON0, 0x7133);
regmap_write(samsung->regmap, DPHY_MC_ANA_CON1, 0x0001);
if (lane_hs_rate >= 4500)
regmap_write(samsung->regmap, DPHY_MC_ANA_CON1, 0x0001);
/*
* Divide-by-2 Clock from Serial Clock. Use this when data rate is under
@@ -1576,10 +1578,12 @@ samsung_mipi_dphy_data_lane_timing_init(struct samsung_mipi_dcphy *samsung)
regmap_write(samsung->regmap, COMBO_MD2_ANA_CON0, 0x7133);
regmap_write(samsung->regmap, DPHY_MD3_ANA_CON0, 0x7133);
regmap_write(samsung->regmap, COMBO_MD0_ANA_CON1, 0x0001);
regmap_write(samsung->regmap, COMBO_MD1_ANA_CON1, 0x0001);
regmap_write(samsung->regmap, COMBO_MD2_ANA_CON1, 0x0001);
regmap_write(samsung->regmap, DPHY_MD3_ANA_CON1, 0x0001);
if (lane_hs_rate >= 4500) {
regmap_write(samsung->regmap, COMBO_MD0_ANA_CON1, 0x0001);
regmap_write(samsung->regmap, COMBO_MD1_ANA_CON1, 0x0001);
regmap_write(samsung->regmap, COMBO_MD2_ANA_CON1, 0x0001);
regmap_write(samsung->regmap, DPHY_MD3_ANA_CON1, 0x0001);
}
/*
* Divide-by-2 Clock from Serial Clock. Use this when data rate is under