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path: root/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c
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Diffstat (limited to 'drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c')
-rw-r--r--drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c60
1 files changed, 52 insertions, 8 deletions
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c
index b3f678f6c2aa..c3c580cfd8b1 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c
@@ -39,15 +39,10 @@ static void dsi_28nm_dphy_set_timing(struct msm_dsi_phy *phy,
DSI_28nm_PHY_TIMING_CTRL_11_TRIG3_CMD(0));
}
-static void dsi_28nm_phy_regulator_ctrl(struct msm_dsi_phy *phy, bool enable)
+static void dsi_28nm_phy_regulator_enable_dcdc(struct msm_dsi_phy *phy)
{
void __iomem *base = phy->reg_base;
- if (!enable) {
- dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CAL_PWR_CFG, 0);
- return;
- }
-
dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_0, 0x0);
dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CAL_PWR_CFG, 1);
dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_5, 0);
@@ -56,6 +51,39 @@ static void dsi_28nm_phy_regulator_ctrl(struct msm_dsi_phy *phy, bool enable)
dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_1, 0x9);
dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_0, 0x7);
dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_4, 0x20);
+ dsi_phy_write(phy->base + REG_DSI_28nm_PHY_LDO_CNTRL, 0x00);
+}
+
+static void dsi_28nm_phy_regulator_enable_ldo(struct msm_dsi_phy *phy)
+{
+ void __iomem *base = phy->reg_base;
+
+ dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_0, 0x0);
+ dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CAL_PWR_CFG, 0);
+ dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_5, 0x7);
+ dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_3, 0);
+ dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_2, 0x1);
+ dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_1, 0x1);
+ dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_4, 0x20);
+
+ if (phy->cfg->type == MSM_DSI_PHY_28NM_LP)
+ dsi_phy_write(phy->base + REG_DSI_28nm_PHY_LDO_CNTRL, 0x05);
+ else
+ dsi_phy_write(phy->base + REG_DSI_28nm_PHY_LDO_CNTRL, 0x0d);
+}
+
+static void dsi_28nm_phy_regulator_ctrl(struct msm_dsi_phy *phy, bool enable)
+{
+ if (!enable) {
+ dsi_phy_write(phy->reg_base +
+ REG_DSI_28nm_PHY_REGULATOR_CAL_PWR_CFG, 0);
+ return;
+ }
+
+ if (phy->regulator_ldo_mode)
+ dsi_28nm_phy_regulator_enable_ldo(phy);
+ else
+ dsi_28nm_phy_regulator_enable_dcdc(phy);
}
static int dsi_28nm_phy_enable(struct msm_dsi_phy *phy, int src_pll_id,
@@ -77,8 +105,6 @@ static int dsi_28nm_phy_enable(struct msm_dsi_phy *phy, int src_pll_id,
dsi_28nm_phy_regulator_ctrl(phy, true);
- dsi_phy_write(base + REG_DSI_28nm_PHY_LDO_CNTRL, 0x00);
-
dsi_28nm_dphy_set_timing(phy, timing);
dsi_phy_write(base + REG_DSI_28nm_PHY_CTRL_1, 0x00);
@@ -142,6 +168,24 @@ const struct msm_dsi_phy_cfg dsi_phy_28nm_hpm_cfgs = {
.num_dsi_phy = 2,
};
+const struct msm_dsi_phy_cfg dsi_phy_28nm_hpm_famb_cfgs = {
+ .type = MSM_DSI_PHY_28NM_HPM,
+ .src_pll_truthtable = { {true, true}, {false, true} },
+ .reg_cfg = {
+ .num = 1,
+ .regs = {
+ {"vddio", 100000, 100},
+ },
+ },
+ .ops = {
+ .enable = dsi_28nm_phy_enable,
+ .disable = dsi_28nm_phy_disable,
+ .init = msm_dsi_phy_init_common,
+ },
+ .io_start = { 0x1a94400, 0x1a96400 },
+ .num_dsi_phy = 2,
+};
+
const struct msm_dsi_phy_cfg dsi_phy_28nm_lp_cfgs = {
.type = MSM_DSI_PHY_28NM_LP,
.src_pll_truthtable = { {true, true}, {true, true} },