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Message-Id: <20250916-judyln-dts-v2-5-5e16e60263af@postmarketos.org>
Date: Tue, 16 Sep 2025 18:09:51 -0700
From: Paul Sajna <sajattack@...tmarketos.org>
To: 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>, David Heidelberg <david@...t.cz>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, phone-devel@...r.kernel.org,
Amir Dahan <system64fumo@...tonmail.com>,
Christopher Brown <crispybrown@...il.com>,
Paul Sajna <sajattack@...tmarketos.org>
Subject: [PATCH v2 05/13] arm64: dts: qcom: sdm845-lg-judyln: Add display
panel
And supporting msm drm nodes, including backlight
Signed-off-by: Paul Sajna <sajattack@...tmarketos.org>
Co-developed-by: Amir Dahan <system64fumo@...tonmail.com>
Signed-off-by: Amir Dahan <system64fumo@...tonmail.com>
---
arch/arm64/boot/dts/qcom/sdm845-lg-common.dtsi | 8 +--
arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts | 67 ++++++++++++++++++++++++++
2 files changed, 71 insertions(+), 4 deletions(-)
diff --git a/arch/arm64/boot/dts/qcom/sdm845-lg-common.dtsi b/arch/arm64/boot/dts/qcom/sdm845-lg-common.dtsi
index db28a2494a0cc4b9e9d997d11f1acfb116e586e3..ea4de09b549d1d436897ea6059d27556041a6b68 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-lg-common.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845-lg-common.dtsi
@@ -461,10 +461,6 @@ &cdsp_pas {
status = "okay";
};
-&dispcc {
- status = "disabled";
-};
-
&gcc {
protected-clocks = <GCC_QSPI_CORE_CLK>,
<GCC_QSPI_CORE_CLK_SRC>,
@@ -532,6 +528,10 @@ led@5 {
};
};
+&pmi8998_wled {
+ status = "okay";
+};
+
&sdhc_2 {
cd-gpios = <&tlmm 126 GPIO_ACTIVE_LOW>;
diff --git a/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts b/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts
index be488891d0ab01c5bfd3762514fbf1c3bbf6845a..8077a9fb0dc28237fc6ac0b70c8ef45a0d72876d 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts
+++ b/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts
@@ -61,6 +61,45 @@ zap-shader {
};
};
+&mdss {
+ status = "okay";
+};
+
+&mdss_dsi0 {
+ vdda-supply = <&vdda_mipi_dsi0_1p2>;
+
+ status = "okay";
+
+ display_panel: panel@0 {
+ reg = <0>;
+ compatible = "lg,sw49410";
+
+ backlight = <&pmi8998_wled>;
+ reset-gpios = <&tlmm 6 GPIO_ACTIVE_LOW>;
+
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&sde_dsi_active &sde_te_active>;
+ pinctrl-1 = <&sde_dsi_sleep &sde_te_sleep>;
+
+ port {
+ panel_in: endpoint {
+ remote-endpoint = <&mdss_dsi0_out>;
+ };
+ };
+ };
+};
+
+&mdss_dsi0_phy {
+ vdds-supply = <&vdda_mipi_dsi0_pll>;
+
+ status = "okay";
+};
+
+&mdss_dsi0_out {
+ remote-endpoint = <&panel_in>;
+ data-lanes = <0 1 2 3>;
+};
+
&mss_pil {
firmware-name = "qcom/sdm845/judyln/mba.mbn", "qcom/sdm845/judyln/modem.mbn";
};
@@ -78,6 +117,34 @@ thinq_key_default: thinq-key-default-state {
drive-strength = <2>;
bias-pull-up;
};
+
+ sde_dsi_active: sde-dsi-active-state {
+ pins = "gpio6";
+ function = "gpio";
+ drive-strength = <8>;
+ bias-disable;
+ };
+
+ sde_dsi_sleep: sde-dsi-sleep-state {
+ pins = "gpio6";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-pull-down;
+ };
+
+ sde_te_active: sde-te-active-state {
+ pins = "gpio10";
+ function = "mdp_vsync";
+ drive-strength = <2>;
+ bias-disable;
+ };
+
+ sde_te_sleep: sde-te-sleep-state {
+ pins = "gpio10";
+ function = "mdp_vsync";
+ drive-strength = <2>;
+ bias-pull-down;
+ };
};
&uart6 {
--
2.51.0
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