On 31/05/2021 16:33, Rajeev Nandan wrote:
The SC7280 SoC uses the 7nm (V4.1) DSI PHY driver with
different enable|disable regulator loads.
Signed-off-by: Rajeev Nandan <rajee...@codeaurora.org>
---
drivers/gpu/drm/msm/Kconfig | 6 +++---
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 | 22 ++++++++++++++++++++++
4 files changed, 28 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/msm/Kconfig b/drivers/gpu/drm/msm/Kconfig
index 10f693e..7c9d9f1 100644
--- a/drivers/gpu/drm/msm/Kconfig
+++ b/drivers/gpu/drm/msm/Kconfig
@@ -114,9 +114,9 @@ config DRM_MSM_DSI_10NM_PHY
Choose this option if DSI PHY on SDM845 is used on the platform.
config DRM_MSM_DSI_7NM_PHY
- bool "Enable DSI 7nm PHY driver in MSM DRM (used by SM8150/SM8250)"
+ bool "Enable DSI 7nm PHY driver in MSM DRM"
depends on DRM_MSM_DSI
default y
help
- Choose this option if DSI PHY on SM8150/SM8250 is used on the
- platform.
+ Choose this option if DSI PHY on SM8150/SM8250/SC7280 is used on
+ the platform.
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
index ff7f2ec..2770783 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
@@ -593,6 +593,8 @@ 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,dsi-phy-7nm-7280",
+ .data = &dsi_phy_7nm_7280_cfgs },
#endif
{}
};
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h
b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h
index 94a77ac..bc91dc8 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h
@@ -51,6 +51,7 @@ extern const struct msm_dsi_phy_cfg dsi_phy_10nm_cfgs;
extern const struct msm_dsi_phy_cfg dsi_phy_10nm_8998_cfgs;
extern const struct msm_dsi_phy_cfg dsi_phy_7nm_cfgs;
extern const struct msm_dsi_phy_cfg dsi_phy_7nm_8150_cfgs;
+extern const struct msm_dsi_phy_cfg dsi_phy_7nm_7280_cfgs;
struct msm_dsi_dphy_timing {
u32 clk_zero;
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 e76ce40..6e30d21 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c
@@ -998,3 +998,25 @@ const struct msm_dsi_phy_cfg dsi_phy_7nm_8150_cfgs = {
.io_start = { 0xae94400, 0xae96400 },
.num_dsi_phy = 2,
};
+
+const struct msm_dsi_phy_cfg dsi_phy_7nm_7280_cfgs = {
+ .has_phy_lane = true,
+ .reg_cfg = {
+ .num = 1,
+ .regs = {
+ {"vdds", 37550, 0},
+ },
+ },
+ .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,
+ },
+ .min_pll_rate = 600000000UL,
+ .max_pll_rate = (5000000000ULL < ULONG_MAX) ? 5000000000ULL : ULONG_MAX,
Could you please follow the patch by Arnd here?
https://lore.kernel.org/linux-arm-msm/20210514213032.575161-1-a...@kernel.org/
+ .io_start = { 0xae94400, 0xae96400 },
+ .num_dsi_phy = 2,
Judging from the next patch, you have one DSI host and one DSI PHY.
Could you please correct io_start / num_dsi_phy here?
+ .quirks = DSI_PHY_7NM_QUIRK_V4_1,
+};
With these two issues fixed:
Reviewed-by: Dmitry Baryshkov <dmitry.barysh...@linaro.org>
--
With best wishes
Dmitry
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