1 files changed, 119 insertions, 0 deletions
diff --git a/dts/src/arm64/qcom/sc7180-trogdor-parade-ps8640.dtsi b/dts/src/arm64/qcom/sc7180-trogdor-parade-ps8640.dtsi
new file mode 100644
index 0000000000..bede23369f
--- /dev/null
+++ b/dts/src/arm64/qcom/sc7180-trogdor-parade-ps8640.dtsi
@@ -0,0 +1,119 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Google Trogdor dts fragment for the boards with Parade ps8640 edp bridge
+ *
+ * Copyright 2021 Google LLC.
+ */
+
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+	pp3300_brij_ps8640: pp3300-brij-ps8640-regulator {
+		compatible = "regulator-fixed";
+		status = "okay";
+		regulator-name = "pp3300_brij_ps8640";
+
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+
+		gpio = <&tlmm 32 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&en_pp3300_edp_brij_ps8640>;
+
+		vin-supply = <&pp3300_a>;
+	};
+};
+
+/*
+ * ADDITIONS TO FIXED REGULATORS DEFINED IN PARENT DEVICE TREE FILES
+ *
+ * Sort order matches the order in the parent files (parents before children).
+ */
+
+&pp3300_dx_edp {
+	off-on-delay-us = <500000>;
+
+	/*
+	 * It's nicer to start with this regulator enabled. The
+	 * bootloader may have left it on and it's nice not to cause an
+	 * extra power cycle of the touchscreen and eDP panel at bootup.
+	 * This should help speed bootup because we have off-on-delay-us.
+	 */
+	regulator-boot-on;
+};
+
+/* ADDITIONS TO NODES DEFINED IN PARENT DEVICE TREE FILES */
+
+edp_brij_i2c: &i2c2 {
+	status = "okay";
+	clock-frequency = <400000>;
+
+	ps8640_bridge: bridge@8 {
+		compatible = "parade,ps8640";
+		reg = <0x8>;
+
+		powerdown-gpios = <&tlmm 104 GPIO_ACTIVE_LOW>;
+		reset-gpios = <&tlmm 11 GPIO_ACTIVE_LOW>;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&edp_brij_en>, <&edp_brij_ps8640_rst>;
+
+		vdd12-supply = <&pp1200_brij>;
+		vdd33-supply = <&pp3300_brij_ps8640>;
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@0 {
+				reg = <0>;
+				ps8640_in: endpoint {
+					remote-endpoint = <&mdss_dsi0_out>;
+				};
+			};
+
+			port@1 {
+				reg = <1>;
+				ps8640_out: endpoint {
+					remote-endpoint = <&panel_in_edp>;
+				};
+			};
+		};
+
+		aux-bus {
+			panel: panel {
+				/* Compatible will be filled in per-board */
+				power-supply = <&pp3300_dx_edp>;
+				backlight = <&backlight>;
+
+				port {
+					panel_in_edp: endpoint {
+						remote-endpoint = <&ps8640_out>;
+					};
+				};
+			};
+		};
+	};
+};
+
+&mdss_dsi0_out {
+	remote-endpoint = <&ps8640_in>;
+};
+
+&tlmm {
+	edp_brij_ps8640_rst: edp-brij-ps8640-rst-state {
+		pins = "gpio11";
+		function = "gpio";
+		drive-strength = <2>;
+		bias-disable;
+	};
+
+	en_pp3300_edp_brij_ps8640: en-pp3300-edp-brij-ps8640-state {
+		pins = "gpio32";
+		function = "gpio";
+		drive-strength = <2>;
+		bias-disable;
+	};
+};