[PATCH 04/11] drm/msm/dsi: add DSI PHY configuration on SA8775P

From: Ayushi Makhija
Date: Tue Feb 25 2025 - 07:19:23 EST


The SA8775P SoC uses the 5nm (v4.2) DSI PHY driver with
different enable regulator load.

Signed-off-by: Ayushi Makhija <quic_amakhija@xxxxxxxxxxx>
---
drivers/gpu/drm/msm/dsi/phy/dsi_phy.c | 2 ++
drivers/gpu/drm/msm/dsi/phy/dsi_phy.h | 1 +
drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c | 27 +++++++++++++++++++++++
3 files changed, 30 insertions(+)

diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
index c0bcc6828963..92be08ac5f65 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,sc7280-dsi-phy-7nm",
.data = &dsi_phy_7nm_7280_cfgs },
{ .compatible = "qcom,sm6375-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 8985818bb2e0..22f23a5b9fa0 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h
@@ -58,6 +58,7 @@ 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_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 031446c87dae..76e63752a85e 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c
@@ -1127,6 +1127,10 @@ 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_115000uA_regulators[] = {
+ { .supply = "vdds", .init_load_uA = 115000 },
+};
+
static const struct regulator_bulk_data dsi_phy_7nm_98000uA_regulators[] = {
{ .supply = "vdds", .init_load_uA = 98000 },
};
@@ -1269,6 +1273,29 @@ 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_115000uA_regulators,
+ .num_regulators = ARRAY_SIZE(dsi_phy_7nm_115000uA_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_4nm_8550_cfgs = {
.has_phy_lane = true,
.regulator_data = dsi_phy_7nm_98400uA_regulators,
--
2.34.1