linux-kernel - [PATCH v8 13/14] arm64: dts: qcom: sdm845-starqltechn: add graphics support

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Message-Id: <20241209-starqltechn_integration_upstream-v8-13-ec604481d691@gmail.com>
Date: Mon, 09 Dec 2024 15:09:17 +0300
From: Dzmitry Sankouski <dsankouski@...il.com>
To: cros-qcom-dts-watchers@...omium.org, 
 Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Srinivas Kandagatla <srinivas.kandagatla@...aro.org>, 
 Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>, 
 Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-sound@...r.kernel.org, 
 Dzmitry Sankouski <dsankouski@...il.com>
Subject: [PATCH v8 13/14] arm64: dts: qcom: sdm845-starqltechn: add
 graphics support

Add support for gpu and panel.

Signed-off-by: Dzmitry Sankouski <dsankouski@...il.com>
---
Changes for v6:
- refactor: s/starqltechn/sdm845-starqltechn in subject
- refactor: remove 'sde' prefix in tlmm dsi nodes
- refactor: place tlmm dsi nodes alphabetically

Changes for v5:
- fix label names
---
 arch/arm64/boot/dts/qcom/sdm845-samsung-starqltechn.dts | 67 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sdm845-samsung-starqltechn.dts b/arch/arm64/boot/dts/qcom/sdm845-samsung-starqltechn.dts
index 3a049459aeb3..e709b2062152 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-samsung-starqltechn.dts
+++ b/arch/arm64/boot/dts/qcom/sdm845-samsung-starqltechn.dts
@@ -208,6 +208,52 @@ vib_pwm: pwm {
 	};
 };
 
+&gpu {
+	status = "okay";
+
+	zap-shader {
+		memory-region = <&gpu_mem>;
+		firmware-name = "qcom/sdm845/starqltechn/a630_zap.mbn";
+	};
+};
+
+&mdss {
+	status = "okay";
+};
+
+&mdss_dsi0 {
+	vdda-supply = <&vreg_l26a_1p2>;
+	status = "okay";
+
+	panel@0 {
+		compatible = "samsung,s6e3ha8";
+		reg = <0>;
+		vci-supply = <&s2dos05_ldo4>;
+		vddr-supply = <&s2dos05_buck>;
+		vdd3-supply = <&s2dos05_ldo1>;
+		te-gpios = <&tlmm 10 GPIO_ACTIVE_HIGH>;
+		reset-gpios = <&tlmm 6 GPIO_ACTIVE_HIGH>;
+		pinctrl-0 = <&dsi_default &dsi_te>;
+		pinctrl-1 = <&dsi_suspend &dsi_te>;
+		pinctrl-names = "default", "suspend";
+
+		port {
+			panel_in: endpoint {
+				remote-endpoint = <&mdss_dsi0_out>;
+			};
+		};
+	};
+};
+
+&mdss_dsi0_out {
+	data-lanes = <0 1 2 3>;
+	remote-endpoint = <&panel_in>;
+};
+
+&mdss_dsi0_phy {
+	vdds-supply = <&vdda_mipi_dsi0_pll>;
+	status = "okay";
+};
 
 &apps_rsc {
 	regulators-0 {
@@ -859,6 +905,27 @@ &tlmm {
 	gpio-reserved-ranges = <27 4>, /* SPI (eSE - embedded Secure Element) */
 			       <85 4>; /* SPI (fingerprint reader) */
 
+	dsi_default: dsi-default-state {
+		pins = "gpio6";
+		function = "gpio";
+		drive-strength = <8>;
+		bias-disable;
+	};
+
+	dsi_suspend: dsi-suspend-state {
+		pins = "gpio6";
+		function = "gpio";
+		drive-strength = <2>;
+		bias-pull-down;
+	};
+
+	dsi_te: dsi-te-state {
+		pins = "gpio10";
+		function = "mdp_vsync";
+		drive-strength = <2>;
+		bias-pull-down;
+	};
+
 	i2c21_sda_state: i2c21-sda-state {
 		pins = "gpio127";
 		function = "gpio";

-- 
2.39.5