arm64: dts: Add k3-am654-evm-tc358876.dtso

Add support for Toshiba TC358876 based expansion board for AM6 EVM. The
expansion board has a DisplayPort 1.1 output with 2 lanes.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

arch/arm64/boot/dts/ti/Makefile

@@ -11,6 +11,7 @@ DTC_FLAGS += -@
 dtb-$(CONFIG_ARCH_K3_AM6_SOC) += k3-am654-base-board.dtb \
 	k3-am654-gp.dtbo \
 	k3-am654-evm-oldi-lcd1evm.dtbo \
+	k3-am654-evm-tc358876.dtbo \
 	k3-am654-pcie-usb3.dtbo \
 	k3-am654-pcie-usb2.dtbo
 

arch/arm64/boot/dts/ti/k3-am654-evm-tc358876.dtso

@@ -0,0 +1,112 @@
+// SPDX-License-Identifier: GPL-2.0
+/**
+ * Toshiba TC358867 expansion board for AM654-EVM.
+ *
+ * Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com/
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/pinctrl/k3.h>
+
+/ {
+  fragment@101 {
+	target-path = "/";
+
+	__overlay__ {
+		dp_refclk: clock {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+			clock-frequency = <19200000>;
+		};
+	};
+  };
+};
+
+&main_pmx0 {
+	dss_vout1_pins_default: dss_vout1_pins_default {
+		pinctrl-single,pins = <
+			AM65X_IOPAD(0x0000, PIN_OUTPUT, 1)	/* VOUT1_DATA0 */
+			AM65X_IOPAD(0x0004, PIN_OUTPUT, 1)	/* VOUT1_DATA1 */
+			AM65X_IOPAD(0x0008, PIN_OUTPUT, 1)	/* VOUT1_DATA2 */
+			AM65X_IOPAD(0x000c, PIN_OUTPUT, 1)	/* VOUT1_DATA3 */
+			AM65X_IOPAD(0x0010, PIN_OUTPUT, 1)	/* VOUT1_DATA4 */
+			AM65X_IOPAD(0x0014, PIN_OUTPUT, 1)	/* VOUT1_DATA5 */
+			AM65X_IOPAD(0x0018, PIN_OUTPUT, 1)	/* VOUT1_DATA6 */
+			AM65X_IOPAD(0x001c, PIN_OUTPUT, 1)	/* VOUT1_DATA7 */
+			AM65X_IOPAD(0x0020, PIN_OUTPUT, 1)	/* VOUT1_DATA8 */
+			AM65X_IOPAD(0x0024, PIN_OUTPUT, 1)	/* VOUT1_DATA9 */
+			AM65X_IOPAD(0x0028, PIN_OUTPUT, 1)	/* VOUT1_DATA10 */
+			AM65X_IOPAD(0x002c, PIN_OUTPUT, 1)	/* VOUT1_DATA11 */
+			AM65X_IOPAD(0x0030, PIN_OUTPUT, 1)	/* VOUT1_DATA12 */
+			AM65X_IOPAD(0x0034, PIN_OUTPUT, 1)	/* VOUT1_DATA13 */
+			AM65X_IOPAD(0x0038, PIN_OUTPUT, 1)	/* VOUT1_DATA14 */
+			AM65X_IOPAD(0x003c, PIN_OUTPUT, 1)	/* VOUT1_DATA15 */
+			AM65X_IOPAD(0x0040, PIN_OUTPUT, 1)	/* VOUT1_DATA16 */
+			AM65X_IOPAD(0x0044, PIN_OUTPUT, 1)	/* VOUT1_DATA17 */
+			AM65X_IOPAD(0x0048, PIN_OUTPUT, 1)	/* VOUT1_DATA18 */
+			AM65X_IOPAD(0x004c, PIN_OUTPUT, 1)	/* VOUT1_DATA19 */
+			AM65X_IOPAD(0x0050, PIN_OUTPUT, 1)	/* VOUT1_DATA20 */
+			AM65X_IOPAD(0x0054, PIN_OUTPUT, 1)	/* VOUT1_DATA21 */
+			AM65X_IOPAD(0x0058, PIN_OUTPUT, 1)	/* VOUT1_DATA22 */
+			AM65X_IOPAD(0x005c, PIN_OUTPUT, 1)	/* VOUT1_DATA23 */
+			AM65X_IOPAD(0x0060, PIN_OUTPUT, 1)	/* VOUT1_VSYNC */
+			AM65X_IOPAD(0x0064, PIN_OUTPUT, 1)	/* VOUT1_HSYNC */
+			AM65X_IOPAD(0x0068, PIN_OUTPUT, 1)	/* VOUT1_PCLK */
+			AM65X_IOPAD(0x006c, PIN_OUTPUT, 1)	/* VOUT1_DE */
+		>;
+	};
+};
+
+&main_i2c1 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	edp-bridge@f {
+		compatible = "toshiba,tc358867", "toshiba,tc358767";
+		reg = <0x0f>;
+
+		reset-gpios = <&pca9555 6 GPIO_ACTIVE_HIGH>;
+
+		clock-names = "ref";
+		clocks = <&dp_refclk>;
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@1 {
+				reg = <1>;
+
+				bridge_in: endpoint {
+					remote-endpoint = <&dpi_out>;
+				};
+			};
+		};
+	};
+};
+
+&dss {
+	status = "ok";
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&dss_vout1_pins_default>;
+
+	assigned-clocks = <&k3_clks 67 2>;
+	assigned-clock-parents = <&k3_clks 67 5>;
+};
+
+&dss_ports {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	port@1 {
+		reg = <1>;
+
+		dpi_out: endpoint {
+			remote-endpoint = <&bridge_in>;
+		};
+	};
+};