1 files changed, 105 insertions, 0 deletions
diff --git a/dts/src/arm64/qcom/sc7180-trogdor-ti-sn65dsi86.dtsi b/dts/src/arm64/qcom/sc7180-trogdor-ti-sn65dsi86.dtsi
new file mode 100644
index 0000000000..b0c3be4c3b
--- /dev/null
+++ b/dts/src/arm64/qcom/sc7180-trogdor-ti-sn65dsi86.dtsi
@@ -0,0 +1,105 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Google Trogdor dts fragment for the boards with TI sn65dsi86 edp bridge
+ *
+ * Copyright 2021 Google LLC.
+ */
+
+#include <dt-bindings/gpio/gpio.h>
+
+/*
+ * 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>;
+
+	sn65dsi86_bridge: bridge@2d {
+		compatible = "ti,sn65dsi86";
+		reg = <0x2d>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&edp_brij_en>, <&edp_brij_irq>;
+		gpio-controller;
+		#gpio-cells = <2>;
+
+		interrupt-parent = <&tlmm>;
+		interrupts = <11 IRQ_TYPE_LEVEL_HIGH>;
+
+		enable-gpios = <&tlmm 104 GPIO_ACTIVE_HIGH>;
+
+		vpll-supply = <&pp1800_edp_vpll>;
+		vccio-supply = <&pp1800_brij_vccio>;
+		vcca-supply = <&pp1200_brij>;
+		vcc-supply = <&pp1200_brij>;
+
+		clocks = <&rpmhcc RPMH_LN_BB_CLK3>;
+		clock-names = "refclk";
+
+		no-hpd;
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@0 {
+				reg = <0>;
+				sn65dsi86_in: endpoint {
+					remote-endpoint = <&mdss_dsi0_out>;
+				};
+			};
+
+			port@1 {
+				reg = <1>;
+				sn65dsi86_out: endpoint {
+					data-lanes = <0 1>;
+					remote-endpoint = <&panel_in_edp>;
+				};
+			};
+		};
+
+		aux-bus {
+			panel: panel {
+				/* Compatible will be filled in per-board */
+				power-supply = <&pp3300_dx_edp>;
+				backlight = <&backlight>;
+				hpd-gpios = <&sn65dsi86_bridge 2 GPIO_ACTIVE_HIGH>;
+
+				port {
+					panel_in_edp: endpoint {
+						remote-endpoint = <&sn65dsi86_out>;
+					};
+				};
+			};
+		};
+	};
+};
+
+&mdss_dsi0_out {
+	remote-endpoint = <&sn65dsi86_in>;
+};
+
+&tlmm {
+	edp_brij_irq: edp-brij-irq-state {
+		pins = "gpio11";
+		function = "gpio";
+		drive-strength = <2>;
+		bias-pull-down;
+	};
+};