[PATCH v2 2/6] arm64: dts: qcom: talos-lyra-evk: Add DLC DLC0697 panel overlay

[anand.tiwari at oss.qualcomm.com]

From: Shashank Maurya <shashank.maurya at oss.qualcomm.com>

Add a DT overlay for Qualcomm Talos Lyra EVK, to enable DLC0697 panel
when DLC daughter card connected to DSI0_B2B on carrier card.

Configure DLC0697 reset GPIO, supplies, pinctrl states and GPIO
backlight controlled through TLMM GPIO 2.

Disable the default HDMI bridge and connector in favour of the DSI
panel.

Signed-off-by: Shashank Maurya <shashank.maurya at oss.qualcomm.com>
Signed-off-by: Anand Tiwari <anand.tiwari at oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio at oss.qualcomm.com>
---
 arch/arm64/boot/dts/qcom/Makefile                  |  4 ++
 .../boot/dts/qcom/talos-lyra-evk-dlc0697.dtso      | 77 ++++++++++++++++++++++
 2 files changed, 81 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
index 243231692866..709a96ece14e 100644
--- a/arch/arm64/boot/dts/qcom/Makefile
+++ b/arch/arm64/boot/dts/qcom/Makefile
@@ -476,6 +476,10 @@ dtb-$(CONFIG_ARCH_QCOM)	+= talos-lyra-evk.dtb
 talos-lyra-evk-el2-dtbs	:= talos-lyra-evk.dtb talos-el2.dtbo
 
 dtb-$(CONFIG_ARCH_QCOM)	+= talos-lyra-evk-el2.dtb
+
+talos-lyra-evk-dlc0697-dtbs := talos-lyra-evk.dtb talos-lyra-evk-dlc0697.dtbo
+dtb-$(CONFIG_ARCH_QCOM)     += talos-lyra-evk-dlc0697.dtb
+dtb-$(CONFIG_ARCH_QCOM)     += talos-lyra-evk-dlc0697.dtbo
 x1e001de-devkit-el2-dtbs	:= x1e001de-devkit.dtb x1-el2.dtbo
 dtb-$(CONFIG_ARCH_QCOM)	+= x1e001de-devkit.dtb x1e001de-devkit-el2.dtb
 x1e78100-lenovo-thinkpad-t14s-el2-dtbs	:= x1e78100-lenovo-thinkpad-t14s.dtb x1-el2.dtbo
diff --git a/arch/arm64/boot/dts/qcom/talos-lyra-evk-dlc0697.dtso b/arch/arm64/boot/dts/qcom/talos-lyra-evk-dlc0697.dtso
new file mode 100644
index 000000000000..b79e54459725
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/talos-lyra-evk-dlc0697.dtso
@@ -0,0 +1,77 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
+ */
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+
+&{/} {
+	backlight: backlight {
+		compatible = "gpio-backlight";
+		gpios = <&tlmm 2 GPIO_ACTIVE_HIGH>;
+	};
+};
+
+&hdmi_bridge {
+	status = "disabled";
+};
+
+&hdmi_connector {
+	status = "disabled";
+};
+
+&mdss_dsi0 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	panel at 0 {
+		compatible = "dlc,dlc0697", "ilitek,ili7807s";
+		reg = <0>;
+
+		reset-gpios = <&tlmm 118 GPIO_ACTIVE_LOW>;
+		backlight = <&backlight>;
+
+		vddi-supply = <&vreg_s4a>;
+		avdd-supply = <&vreg_disp_3p3>;
+		avee-supply = <&vreg_disp_3p3>;
+
+		pinctrl-0 = <&panel_rst_n &panel_te_pin>;
+		pinctrl-1 = <&panel_rst_n_suspend>;
+		pinctrl-names = "default", "sleep";
+
+		port {
+			panel_in: endpoint {
+				remote-endpoint = <&mdss_dsi0_out>;
+			};
+		};
+	};
+};
+
+&mdss_dsi0_out {
+	remote-endpoint = <&panel_in>;
+};
+
+&tlmm {
+	panel_te_pin: panel-te-pin-state {
+		pins = "gpio98";
+		function = "mdp_vsync";
+		drive-strength = <2>;
+		bias-pull-down;
+	};
+
+	panel_rst_n: panel-rst-n-state {
+		pins = "gpio118";
+		function = "gpio";
+		drive-strength = <8>;
+		bias-disable;
+	};
+
+	panel_rst_n_suspend: panel-rst-n-suspend-state {
+		pins = "gpio118";
+		function = "gpio";
+		drive-strength = <2>;
+		bias-pull-down;
+	};
+};

-- 
2.55.0