path: root/meta-renesas-extras/recipes/linux/linux-renesas/0001-draak-change-lvds-timings-to-match-KOE-1280x480-disp.patch

From 1115b5113bc31d048441cc138c6d2f45785bd53e Mon Sep 17 00:00:00 2001
From: Samuli Piippo <samuli.piippo@qt.io>
Date: Tue, 20 Nov 2018 15:43:47 +0200
Subject: [PATCH] draak: change lvds timings to match KOE 1280x480 display

Add new dtb for Draak that enables LVDS output and changes
the panel timings to match KOE tx31d200vm0baa display.
---
 arch/arm64/boot/dts/renesas/Makefile          |   1 +
 .../boot/dts/renesas/r8a77995-draak-lvds.dts  | 296 ++++++++++++++++++
 2 files changed, 297 insertions(+)
 create mode 100644 arch/arm64/boot/dts/renesas/r8a77995-draak-lvds.dts

diff --git a/arch/arm64/boot/dts/renesas/Makefile b/arch/arm64/boot/dts/renesas/Makefile
index 3daccfdfc5ea..b24e31d6a1ce 100644
--- a/arch/arm64/boot/dts/renesas/Makefile
+++ b/arch/arm64/boot/dts/renesas/Makefile
@@ -4,6 +4,7 @@ dtb-$(CONFIG_ARCH_R8A7795) += r8a7795-es1-salvator-x.dtb r8a7795-es1-h3ulcb.dtb
 dtb-$(CONFIG_ARCH_R8A7796) += r8a7796-salvator-x.dtb r8a7796-m3ulcb.dtb
 dtb-$(CONFIG_ARCH_R8A7796) += r8a7796-salvator-xs.dtb
 dtb-$(CONFIG_ARCH_R8A77995) += r8a77995-draak.dtb
+dtb-$(CONFIG_ARCH_R8A77995) += r8a77995-draak-lvds.dtb
 
 always		:= $(dtb-y)
 clean-files	:= *.dtb
diff --git a/arch/arm64/boot/dts/renesas/r8a77995-draak-lvds.dts b/arch/arm64/boot/dts/renesas/r8a77995-draak-lvds.dts
new file mode 100644
index 000000000000..53df48a99c30
--- /dev/null
+++ b/arch/arm64/boot/dts/renesas/r8a77995-draak-lvds.dts
@@ -0,0 +1,296 @@
+/*
+ * Device Tree Source for the Draak board
+ *
+ * Copyright (C) 2017 Renesas Electronics Corp.
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2.  This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+/dts-v1/;
+#include "r8a77995.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+	model = "Renesas Draak board based on r8a77995";
+	compatible = "renesas,draak", "renesas,r8a77995";
+
+	aliases {
+		serial0 = &scif2;
+		ethernet0 = &avb;
+	};
+
+	chosen {
+		bootargs = "ignore_loglevel";
+		stdout-path = "serial0:115200n8";
+	};
+
+	memory@48000000 {
+		device_type = "memory";
+		/* first 128MB is reserved for secure area. */
+		reg = <0x0 0x48000000 0x0 0x18000000>;
+	};
+
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		/* global autoconfigured region for contiguous allocations */
+		linux,cma {
+			compatible = "shared-dma-pool";
+			reusable;
+			reg = <0x00000000 0x58000000 0x0 0x8000000>;
+			linux,cma-default;
+		};
+	};
+
+	reg_1p8v: regulator0 {
+		compatible = "regulator-fixed";
+		regulator-name = "fixed-1.8V";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		regulator-boot-on;
+		regulator-always-on;
+	};
+
+	reg_3p3v: regulator1 {
+		compatible = "regulator-fixed";
+		regulator-name = "fixed-3.3V";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-boot-on;
+		regulator-always-on;
+	};
+
+	lvds0 {
+		compatible = "panel-lvds";
+
+		width-mm = <210>;
+		height-mm = <158>;
+
+		data-mapping = "jeida-24";
+
+		panel-timing {
+			/* 1280x480 @60Hz */
+			clock-frequency = <43248000>;
+			hactive = <1280>;
+			vactive = <480>;
+			hback-porch = <40>;
+			hfront-porch = <30>;
+			vback-porch = <30>;
+			vfront-porch = <10>;
+			hsync-len = <10>;
+			vsync-len = <10>;
+		};
+		port {
+			lvds0_in: endpoint {
+				remote-endpoint = <&du_out_lvds0>;
+			};
+		};
+	};
+
+	lvds1 {
+		compatible = "panel-lvds";
+
+		width-mm = <210>;
+		height-mm = <158>;
+
+		data-mapping = "jeida-24";
+
+		panel-timing {
+			/* 1280x480 @60Hz */
+			clock-frequency = <43248000>;
+			hactive = <1280>;
+			vactive = <480>;
+			hback-porch = <40>;
+			hfront-porch = <30>;
+			vback-porch = <30>;
+			vfront-porch = <10>;
+			hsync-len = <10>;
+			vsync-len = <10>;
+		};
+		port {
+			lvds1_in: endpoint {
+				remote-endpoint = <&du_out_lvds1>;
+			};
+		};
+	};
+};
+
+&pfc {
+	avb_pins: avb {
+		groups = "avb0_td", "avb0_tx_ctl", "avb0_txc",
+			 "avb0_rd", "avb0_rx_ctl", "avb0_rxc",
+			 "avb0_txcrefclk", "avb0_mdc", "avb0_mdio";
+		function = "avb0";
+	};
+
+	sdhi2_pins: sd2 {
+		groups = "mmc_data8", "mmc_ctrl";
+		function = "mmc";
+		power-source = <3300>;
+	};
+
+	sdhi2_pins_uhs: sd2_uhs {
+		groups = "mmc_data8", "mmc_ctrl";
+		function = "mmc";
+		power-source = <1800>;
+	};
+
+	usb0_pins: usb0 {
+		groups = "usb0";
+		function = "usb0";
+	};
+
+};
+
+&extal_clk {
+	clock-frequency = <48000000>;
+};
+
+&du_dotclkin0 {
+	clock-frequency = <74250000>;
+};
+
+&i2c0 {
+	status = "okay";
+
+	clock-frequency = <400000>;
+
+	adv7180: adv7180@20 {
+		compatible = "adi,adv7180";
+		reg = <0x20>;
+		remote = <&vin4>;
+
+		port {
+			cvbs_in: endpoint {
+				bus-width = <8>;
+				remote-endpoint = <&vin4ep0>;
+			};
+		};
+	};
+
+	adv7612: adv7612@4c {
+		compatible = "adi,adv7612";
+		reg = <0x4c>;
+		remote = <&vin4>;
+
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		default-input = <0>;
+
+		port@0 {
+			reg = <0>;
+		};
+		port@1 {
+			reg = <1>;
+			hdmi_in: endpoint {
+				remote-endpoint = <&vin4ep0>;
+			};
+		};
+	};
+};
+
+&avb {
+	pinctrl-0 = <&avb_pins>;
+	pinctrl-names = "default";
+	renesas,no-ether-link;
+	phy-handle = <&phy0>;
+	status = "okay";
+	phy-gpios = <&gpio5 19 GPIO_ACTIVE_LOW>;
+	phy-reset-gpios = <&gpio5 18 GPIO_ACTIVE_LOW>;
+
+	phy0: ethernet-phy@0 {
+		rxc-skew-ps = <1500>;
+		rxdv-skew-ps = <420>; /* default */
+		rxd0-skew-ps = <420>; /* default */
+		rxd1-skew-ps = <420>; /* default */
+		rxd2-skew-ps = <420>; /* default */
+		rxd3-skew-ps = <420>; /* default */
+		txc-skew-ps = <900>; /* default */
+		txen-skew-ps = <420>; /* default */
+		txd0-skew-ps = <420>; /* default */
+		txd1-skew-ps = <420>; /* default */
+		txd2-skew-ps = <420>; /* default */
+		txd3-skew-ps = <420>; /* default */
+		reg = <0>;
+		interrupt-parent = <&gpio5>;
+		interrupts = <20 IRQ_TYPE_LEVEL_LOW>;
+	};
+};
+
+&scif2 {
+	status = "okay";
+};
+
+&vin4 {
+	status = "okay";
+	port {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		vin4ep0: endpoint {
+			remote-endpoint = <&hdmi_in>;
+			bus-width = <8>;
+		};
+	};
+};
+
+&usb2_phy0 {
+	pinctrl-0 = <&usb0_pins>;
+	pinctrl-names = "default";
+
+	status = "okay";
+};
+
+&ehci0 {
+	status = "okay";
+};
+
+&ohci0 {
+	status = "okay";
+};
+
+&sdhi2 {
+	/* used for on-board 8bit eMMC */
+	pinctrl-0 = <&sdhi2_pins>;
+	pinctrl-1 = <&sdhi2_pins_uhs>;
+	pinctrl-names = "default", "state_uhs";
+
+	vmmc-supply = <&reg_3p3v>;
+	vqmmc-supply = <&reg_1p8v>;
+	mmc-hs200-1_8v;
+	bus-width = <8>;
+	non-removable;
+	status = "okay";
+};
+
+&du {
+	status = "okay";
+
+	/* update <du_dotclkin0/1> */
+	clocks = <&cpg CPG_MOD 724>,
+		 <&cpg CPG_MOD 723>,
+		 <&cpg CPG_MOD 727>,
+		 <&cpg CPG_MOD 727>,
+		 <&du_dotclkin0>;
+
+	backlight0-gpios = <&gpio2 31 GPIO_ACTIVE_HIGH>;/* LVDS0 */
+	backlight1-gpios = <&gpio4 0 GPIO_ACTIVE_HIGH>;	/* LVDS1 */
+
+    ports {
+		port@1 {
+			endpoint {
+				remote-endpoint = <&lvds0_in>;
+			};
+		};
+	    port@2 {
+			endpoint {
+				remote-endpoint = <&lvds1_in>;
+			};
+		};
+	};
+};