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authorAyushi Makhija <quic_amakhija@quicinc.com>2025-04-24 11:54:24 +0530
committerDmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>2025-05-02 03:54:03 +0300
commitd3979192fac52ef5d158ca494db25bc4fe3166bf (patch)
treef713f4af1399ed58048fca78421a0ff3fbdb8b78
parenta6f2524f4d5e3cfcc17a6de646cb978007d7832f (diff)
drm/msm/dsi: add DSI PHY configuration on SA8775P
The SA8775P SoC uses the 5nm (v4.2) DSI PHY driver with different enable regulator load. Signed-off-by: Ayushi Makhija <quic_amakhija@quicinc.com> Reviewed-by: Dmitry Baryshkov <lumag@kernel.org> Patchwork: https://patchwork.freedesktop.org/patch/649842/ Link: https://lore.kernel.org/r/20250424062431.2040692-5-quic_amakhija@quicinc.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
-rw-r--r--drivers/gpu/drm/msm/dsi/phy/dsi_phy.c2
-rw-r--r--drivers/gpu/drm/msm/dsi/phy/dsi_phy.h1
-rw-r--r--drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c27
3 files changed, 30 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
index a58bafe9fe86..5973d7325699 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
@@ -581,6 +581,8 @@ static const struct of_device_id dsi_phy_dt_match[] = {
.data = &dsi_phy_7nm_cfgs },
{ .compatible = "qcom,dsi-phy-7nm-8150",
.data = &dsi_phy_7nm_8150_cfgs },
+ { .compatible = "qcom,sa8775p-dsi-phy-5nm",
+ .data = &dsi_phy_5nm_8775p_cfgs },
{ .compatible = "qcom,sar2130p-dsi-phy-5nm",
.data = &dsi_phy_5nm_sar2130p_cfgs },
{ .compatible = "qcom,sc7280-dsi-phy-7nm",
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h
index 1ed08b56e056..7ea608f620fe 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h
@@ -59,6 +59,7 @@ extern const struct msm_dsi_phy_cfg dsi_phy_7nm_8150_cfgs;
extern const struct msm_dsi_phy_cfg dsi_phy_7nm_7280_cfgs;
extern const struct msm_dsi_phy_cfg dsi_phy_5nm_8350_cfgs;
extern const struct msm_dsi_phy_cfg dsi_phy_5nm_8450_cfgs;
+extern const struct msm_dsi_phy_cfg dsi_phy_5nm_8775p_cfgs;
extern const struct msm_dsi_phy_cfg dsi_phy_5nm_sar2130p_cfgs;
extern const struct msm_dsi_phy_cfg dsi_phy_4nm_8550_cfgs;
extern const struct msm_dsi_phy_cfg dsi_phy_4nm_8650_cfgs;
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c
index cad55702746b..c19890358b74 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c
@@ -1147,6 +1147,10 @@ static const struct regulator_bulk_data dsi_phy_7nm_37750uA_regulators[] = {
{ .supply = "vdds", .init_load_uA = 37550 },
};
+static const struct regulator_bulk_data dsi_phy_7nm_48000uA_regulators[] = {
+ { .supply = "vdds", .init_load_uA = 48000 },
+};
+
static const struct regulator_bulk_data dsi_phy_7nm_98000uA_regulators[] = {
{ .supply = "vdds", .init_load_uA = 98000 },
};
@@ -1289,6 +1293,29 @@ const struct msm_dsi_phy_cfg dsi_phy_5nm_8450_cfgs = {
.quirks = DSI_PHY_7NM_QUIRK_V4_3,
};
+const struct msm_dsi_phy_cfg dsi_phy_5nm_8775p_cfgs = {
+ .has_phy_lane = true,
+ .regulator_data = dsi_phy_7nm_48000uA_regulators,
+ .num_regulators = ARRAY_SIZE(dsi_phy_7nm_48000uA_regulators),
+ .ops = {
+ .enable = dsi_7nm_phy_enable,
+ .disable = dsi_7nm_phy_disable,
+ .pll_init = dsi_pll_7nm_init,
+ .save_pll_state = dsi_7nm_pll_save_state,
+ .restore_pll_state = dsi_7nm_pll_restore_state,
+ .set_continuous_clock = dsi_7nm_set_continuous_clock,
+ },
+ .min_pll_rate = 600000000UL,
+#ifdef CONFIG_64BIT
+ .max_pll_rate = 5000000000UL,
+#else
+ .max_pll_rate = ULONG_MAX,
+#endif
+ .io_start = { 0xae94400, 0xae96400 },
+ .num_dsi_phy = 2,
+ .quirks = DSI_PHY_7NM_QUIRK_V4_2,
+};
+
const struct msm_dsi_phy_cfg dsi_phy_5nm_sar2130p_cfgs = {
.has_phy_lane = true,
.regulator_data = dsi_phy_7nm_97800uA_regulators,