diff options
| author | Yuanjie Yang <yuanjie.yang@oss.qualcomm.com> | 2026-03-23 09:19:46 +0300 |
|---|---|---|
| committer | Bjorn Andersson <andersson@kernel.org> | 2026-03-26 17:40:46 +0300 |
| commit | 06d6965d229226e79f3cc4bd25434d002e516e61 (patch) | |
| tree | b93defef8577df71f8ab02f5f6485f5e16f5e942 | |
| parent | 855b7da59d8eedfca7c0415bc8e8a61e5d176196 (diff) | |
| download | linux-06d6965d229226e79f3cc4bd25434d002e516e61.tar.xz | |
arm64: dts: qcom: kaanapali-mtp: Enable display DSI devices
Enable MDSS/DPU/DSI0 and add Novatek NT37801 panel on Kaanapali MTP
board.
NT37801 Spec V1.0 chapter "5.7.1 Power On Sequence" states VDDI ranges
1.65V~1.95V, but ldo12 ranges 1.2V~1.8V, so change ldo12 range to
1.65V~1.8V.
pmh0110_d_e0_gpios and pmh0110_f_e0_gpios are configured for
level shifters. Kaanapali need configure these pinctrl for panel
function.
Signed-off-by: Yuanjie Yang <yuanjie.yang@oss.qualcomm.com>
Signed-off-by: Jingyi Wang <jingyi.wang@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260322-knp-pmic-dt-v1-6-70bc40ea4428@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
| -rw-r--r-- | arch/arm64/boot/dts/qcom/kaanapali-mtp.dts | 118 |
1 files changed, 117 insertions, 1 deletions
diff --git a/arch/arm64/boot/dts/qcom/kaanapali-mtp.dts b/arch/arm64/boot/dts/qcom/kaanapali-mtp.dts index d0f3909621c9..07247dc98b70 100644 --- a/arch/arm64/boot/dts/qcom/kaanapali-mtp.dts +++ b/arch/arm64/boot/dts/qcom/kaanapali-mtp.dts @@ -375,7 +375,7 @@ vreg_l12b_1p8: ldo12 { regulator-name = "vreg_l12b_1p8"; - regulator-min-microvolt = <1200000>; + regulator-min-microvolt = <1650000>; regulator-max-microvolt = <1800000>; regulator-initial-mode = <RPMH_REGULATOR_MODE_AUTO>; regulator-allow-set-load; @@ -873,6 +873,51 @@ qcom,dmic-sample-rate = <4800000>; }; +&mdss { + status = "okay"; +}; + +&mdss_dsi0 { + vdda-supply = <&vreg_l1d_1p2>; + status = "okay"; + + panel@0 { + compatible = "novatek,nt37801"; + reg = <0>; + + pinctrl-0 = <&sde_dsi_active &sde_te_active &sde_esync0_suspend + &sde_mdp_vsync_p_1p2_active &sde_mdp_vsync_p_1p8_active + &sde_disp0_rst_1p2_active &sde_disp0_rst_1p8_active>; + pinctrl-1 = <&sde_dsi_suspend &sde_te_suspend &sde_esync0_suspend + &sde_mdp_vsync_p_1p2_active &sde_mdp_vsync_p_1p8_active + &sde_disp0_rst_1p2_active &sde_disp0_rst_1p8_active>; + pinctrl-names = "default", "sleep"; + + vci-supply = <&vreg_l13b_3p0>; + vdd-supply = <&vreg_l11b_1p0>; + vddio-supply = <&vreg_l12b_1p8>; + + reset-gpios = <&tlmm 98 GPIO_ACTIVE_LOW>; + + port { + panel0_in: endpoint { + remote-endpoint = <&mdss_dsi0_out>; + }; + }; + }; +}; + +&mdss_dsi0_out { + remote-endpoint = <&panel0_in>; + data-lanes = <0 1 2 3>; +}; + +&mdss_dsi0_phy { + vdds-supply = <&vreg_l3d_0p8>; + + status = "okay"; +}; + &pcie0 { pinctrl-0 = <&pcie0_default_state>; pinctrl-names = "default"; @@ -970,6 +1015,42 @@ }; }; +&pmh0110_d_e0_gpios { + sde_mdp_vsync_p_1p2_active: sde-mdp-vsync-p-1p2-active-state { + pins = "gpio9"; + function = "paired"; + input-disable; + output-enable; + power-source = <2>; /* 1.2v */ + }; + + sde_mdp_vsync_p_1p8_active: sde-mdp-vsync-p-1p8-active-state { + pins = "gpio10"; + function = "paired"; + input-enable; + output-disable; + power-source = <1>; /* 1.8v */ + }; +}; + +&pmh0110_f_e0_gpios { + sde_disp0_rst_1p2_active: sde-disp0-rst-1p2-active-state { + pins = "gpio9"; + function = "paired"; + input-enable; + output-disable; + power-source = <2>; /* 1.2v */ + }; + + sde_disp0_rst_1p8_active: sde-disp0-rst-1p8-active-state { + pins = "gpio10"; + function = "paired"; + input-disable; + output-enable; + power-source = <1>; /* 1.8v */ + }; +}; + &pon_resin { linux,code = <KEY_VOLUMEDOWN>; @@ -1128,6 +1209,41 @@ bias-disable; }; + sde_te_active: sde-te-active-state { + pins = "gpio86"; + function = "mdp_vsync"; + drive-strength = <2>; + bias-pull-down; + }; + + sde_te_suspend: sde-te-suspend-state { + pins = "gpio86"; + function = "mdp_vsync"; + drive-strength = <2>; + bias-pull-down; + }; + + sde_esync0_suspend: sde-esync0-suspend-state { + pins = "gpio88"; + function = "mdp_esync0_out"; + drive-strength = <2>; + bias-pull-down; + }; + + sde_dsi_active: sde-dsi-active-state { + pins = "gpio98"; + function = "gpio"; + drive-strength = <8>; + bias-disable; + }; + + sde_dsi_suspend: sde-dsi-suspend-state { + pins = "gpio98"; + function = "gpio"; + drive-strength = <2>; + bias-pull-down; + }; + key_vol_up_default: key-vol-up-default-state { pins = "gpio101"; function = "gpio"; |
