linux-kernel - [PATCH v1 08/17] ARM: dts: imx6q-apalis: Add LVDS panel support

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Date:   Mon, 16 May 2022 13:58:36 +0200
From:   Max Krummenacher <max.oss.09@...il.com>
To:     max.krummenacher@...adex.com
Cc:     Oleksandr Suvorov <oleksandr.suvorov@...adex.com>,
        Fabio Estevam <festevam@...il.com>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        NXP Linux Team <linux-imx@....com>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Rob Herring <robh+dt@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Shawn Guo <shawnguo@...nel.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v1 08/17] ARM: dts: imx6q-apalis: Add LVDS panel support

From: Oleksandr Suvorov <oleksandr.suvorov@...adex.com>

Add LVDS panel and endpoint linkage support but keep the inherited
disabled state. This allows to enable it in an overlay per the current
system configuration.

Signed-off-by: Oleksandr Suvorov <oleksandr.suvorov@...adex.com>
Signed-off-by: Max Krummenacher <max.krummenacher@...adex.com>
---

 arch/arm/boot/dts/imx6q-apalis-eval.dts       |  4 ---
 arch/arm/boot/dts/imx6q-apalis-ixora-v1.1.dts |  4 ---
 arch/arm/boot/dts/imx6q-apalis-ixora.dts      |  4 ---
 arch/arm/boot/dts/imx6qdl-apalis.dtsi         | 36 +++++++++++++++++++
 4 files changed, 36 insertions(+), 12 deletions(-)

diff --git a/arch/arm/boot/dts/imx6q-apalis-eval.dts b/arch/arm/boot/dts/imx6q-apalis-eval.dts
index 5985d1169be1..948bbece3ab5 100644
--- a/arch/arm/boot/dts/imx6q-apalis-eval.dts
+++ b/arch/arm/boot/dts/imx6q-apalis-eval.dts
@@ -102,10 +102,6 @@
 	status = "okay";
 };
 
-&ldb {
-	status = "okay";
-};
-
 &pcie {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_reset_moci>;
diff --git a/arch/arm/boot/dts/imx6q-apalis-ixora-v1.1.dts b/arch/arm/boot/dts/imx6q-apalis-ixora-v1.1.dts
index 21f88e19e87d..beb1981fc775 100644
--- a/arch/arm/boot/dts/imx6q-apalis-ixora-v1.1.dts
+++ b/arch/arm/boot/dts/imx6q-apalis-ixora-v1.1.dts
@@ -104,10 +104,6 @@
 	status = "okay";
 };
 
-&ldb {
-	status = "okay";
-};
-
 &pcie {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_reset_moci>;
diff --git a/arch/arm/boot/dts/imx6q-apalis-ixora.dts b/arch/arm/boot/dts/imx6q-apalis-ixora.dts
index 6743617ad1c1..28e5d6b68530 100644
--- a/arch/arm/boot/dts/imx6q-apalis-ixora.dts
+++ b/arch/arm/boot/dts/imx6q-apalis-ixora.dts
@@ -108,10 +108,6 @@
 	status = "okay";
 };
 
-&ldb {
-	status = "okay";
-};
-
 &pcie {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_reset_moci>;
diff --git a/arch/arm/boot/dts/imx6qdl-apalis.dtsi b/arch/arm/boot/dts/imx6qdl-apalis.dtsi
index 3aa66b6d0c88..428841cdaac2 100644
--- a/arch/arm/boot/dts/imx6qdl-apalis.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-apalis.dtsi
@@ -68,6 +68,18 @@
 		};
 	};
 
+	panel_lvds: panel-lvds {
+		compatible = "panel-lvds";
+		backlight = <&backlight>;
+		status = "disabled";
+
+		port {
+			lvds_panel_in: endpoint {
+				remote-endpoint = <&lvds0_out>;
+			};
+		};
+	};
+
 	reg_module_3v3: regulator-module-3v3 {
 		compatible = "regulator-fixed";
 		regulator-name = "+V3.3";
@@ -610,6 +622,30 @@
 	remote-endpoint = <&lcd_display_in>;
 };
 
+&ldb {
+	lvds-channel@0 {
+		port@4 {
+			reg = <4>;
+
+			lvds0_out: endpoint {
+				remote-endpoint = <&lvds_panel_in>;
+			};
+		};
+	};
+
+	lvds-channel@1 {
+		fsl,data-mapping = "spwg";
+		fsl,data-width = <18>;
+
+		port@4 {
+			reg = <4>;
+
+			lvds1_out: endpoint {
+			};
+		};
+	};
+};
+
 &pwm1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_pwm1>;
-- 
2.20.1