From 72b6fa8ce7faa765ad0aa0491f9f4a907107b80e Mon Sep 17 00:00:00 2001
From: Jernej Skrabec <jernej.skrabec@gmail.com>
Date: Sun, 29 Jan 2023 22:19:45 +0100
Subject: [PATCH] OrangePi 3 LTS support

Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
---
 arch/arm64/boot/dts/allwinner/Makefile        |   1 +
 .../allwinner/sun50i-h6-orangepi-3-lts.dts    | 313 ++++++++++++++++++
 2 files changed, 314 insertions(+)
 create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-3-lts.dts

diff --git a/arch/arm64/boot/dts/allwinner/Makefile b/arch/arm64/boot/dts/allwinner/Makefile
index 6a96494a2e0a..ace8159a6324 100644
--- a/arch/arm64/boot/dts/allwinner/Makefile
+++ b/arch/arm64/boot/dts/allwinner/Makefile
@@ -32,6 +32,7 @@ dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h5-orangepi-zero-plus.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h5-orangepi-zero-plus2.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h6-beelink-gs1.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h6-orangepi-3.dtb
+dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h6-orangepi-3-lts.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h6-orangepi-lite2.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h6-orangepi-one-plus.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h6-pine-h64.dtb
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-3-lts.dts b/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-3-lts.dts
new file mode 100644
index 000000000000..6a5df1103a90
--- /dev/null
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-3-lts.dts
@@ -0,0 +1,316 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+// Copyright (C) 2023 Jernej Skrabec <jernej.skrabec@gmail.com>
+// Based on sun50i-h6-orangepi-3.dts, which is:
+// Copyright (C) 2019 Ondřej Jirman <megous@megous.com>
+
+/dts-v1/;
+
+#include "sun50i-h6.dtsi"
+#include "sun50i-h6-cpu-opp.dtsi"
+#include "sun50i-h6-gpu-opp.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+	model = "OrangePi 3 LTS";
+	compatible = "xunlong,orangepi-3-lts", "allwinner,sun50i-h6";
+
+	aliases {
+		ethernet0 = &emac;
+		serial0 = &uart0;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	connector {
+		compatible = "hdmi-connector";
+		ddc-en-gpios = <&pio 7 2 GPIO_ACTIVE_HIGH>; /* PH2 */
+		type = "a";
+
+		port {
+			hdmi_con_in: endpoint {
+				remote-endpoint = <&hdmi_out_con>;
+			};
+		};
+	};
+
+	ext_osc32k: ext_osc32k_clk {
+		#clock-cells = <0>;
+		compatible = "fixed-clock";
+		clock-frequency = <32768>;
+		clock-output-names = "ext_osc32k";
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		led-0 {
+			label = "orangepi:red:power";
+			gpios = <&r_pio 0 4 GPIO_ACTIVE_HIGH>; /* PL4 */
+			default-state = "on";
+		};
+
+		led-1 {
+			label = "orangepi:green:status";
+			gpios = <&r_pio 0 7 GPIO_ACTIVE_HIGH>; /* PL7 */
+		};
+	};
+
+	reg_gmac_3v3: gmac-3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "gmac-3v3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		startup-delay-us = <150000>;
+		enable-active-high;
+		gpio = <&pio 3 6 GPIO_ACTIVE_HIGH>; /* PD6 */
+	};
+
+	reg_vcc5v: vcc5v {
+		/* board wide 5V supply directly from the DC jack */
+		compatible = "regulator-fixed";
+		regulator-name = "vcc-5v";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-always-on;
+	};
+};
+
+&cpu0 {
+	cpu-supply = <&reg_dcdca>;
+};
+
+&de {
+	status = "okay";
+};
+
+&dwc3 {
+	status = "okay";
+};
+
+&ehci0 {
+	status = "okay";
+};
+
+&ehci3 {
+	status = "okay";
+};
+
+&emac {
+	pinctrl-names = "default";
+	pinctrl-0 = <&ext_rgmii_pins>;
+	phy-mode = "rgmii-rxid";
+	phy-handle = <&ext_rgmii_phy>;
+	phy-supply = <&reg_gmac_3v3>;
+	allwinner,rx-delay-ps = <0>;
+	allwinner,tx-delay-ps = <700>;
+	status = "okay";
+};
+
+&gpu {
+	mali-supply = <&reg_dcdcc>;
+	status = "okay";
+};
+
+&hdmi {
+	hvcc-supply = <&reg_bldo2>;
+	status = "okay";
+};
+
+&hdmi_out {
+	hdmi_out_con: endpoint {
+		remote-endpoint = <&hdmi_con_in>;
+	};
+};
+
+&mdio {
+	ext_rgmii_phy: ethernet-phy@1 {
+		compatible = "ethernet-phy-ieee802.3-c22";
+		reg = <1>;
+
+		motorcomm,clk-out-frequency-hz = <125000000>;
+
+		reset-gpios = <&pio 3 14 GPIO_ACTIVE_LOW>; /* PD14 */
+		reset-assert-us = <15000>;
+		reset-deassert-us = <100000>;
+	};
+};
+
+&mmc0 {
+	vmmc-supply = <&reg_cldo1>;
+	cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; /* PF6 */
+	bus-width = <4>;
+	status = "okay";
+};
+
+&mmc2 {
+	vmmc-supply = <&reg_cldo1>;
+	vqmmc-supply = <&reg_bldo2>;
+	cap-mmc-hw-reset;
+	non-removable;
+	bus-width = <8>;
+	status = "okay";
+};
+
+&ohci0 {
+	status = "okay";
+};
+
+&ohci3 {
+	status = "okay";
+};
+
+&pio {
+	vcc-pc-supply = <&reg_bldo2>;
+	vcc-pd-supply = <&reg_cldo1>;
+	vcc-pg-supply = <&reg_bldo3>;
+};
+
+&r_ir {
+	status = "okay";
+};
+
+&r_i2c {
+	status = "okay";
+
+	axp805: pmic@36 {
+		compatible = "x-powers,axp805", "x-powers,axp806";
+		reg = <0x36>;
+		interrupt-parent = <&r_intc>;
+		interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_LOW>;
+		interrupt-controller;
+		#interrupt-cells = <1>;
+		x-powers,self-working-mode;
+		vina-supply = <&reg_vcc5v>;
+		vinb-supply = <&reg_vcc5v>;
+		vinc-supply = <&reg_vcc5v>;
+		vind-supply = <&reg_vcc5v>;
+		vine-supply = <&reg_vcc5v>;
+		aldoin-supply = <&reg_vcc5v>;
+		bldoin-supply = <&reg_vcc5v>;
+		cldoin-supply = <&reg_vcc5v>;
+
+		regulators {
+			reg_aldo1: aldo1 {
+				regulator-always-on;
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-name = "vcc-pl-led-ir";
+			};
+
+			reg_aldo2: aldo2 {
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-name = "vcc33-audio-tv-ephy-mac";
+			};
+
+			/* ALDO3 is shorted to CLDO1 */
+			reg_aldo3: aldo3 {
+				regulator-always-on;
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-name = "vcc33-io-pd-emmc-sd-usb-uart-1";
+			};
+
+			reg_bldo1: bldo1 {
+				regulator-always-on;
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-name = "vcc18-dram-bias-pll";
+			};
+
+			reg_bldo2: bldo2 {
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-name = "vcc-efuse-pcie-hdmi-pc";
+			};
+
+			reg_bldo3: bldo3 {
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-name = "vcc-pm-pg-dcxoio-wifi";
+			};
+
+			bldo4 {
+				/* unused */
+			};
+
+			reg_cldo1: cldo1 {
+				regulator-always-on;
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-name = "vcc33-io-pd-emmc-sd-usb-uart-2";
+			};
+
+			cldo2 {
+				/* unused */
+			};
+
+			cldo3 {
+				/* unused */
+			};
+
+			reg_dcdca: dcdca {
+				regulator-always-on;
+				regulator-min-microvolt = <800000>;
+				regulator-max-microvolt = <1160000>;
+				regulator-ramp-delay = <2500>;
+				regulator-name = "vdd-cpu";
+			};
+
+			reg_dcdcc: dcdcc {
+				regulator-enable-ramp-delay = <32000>;
+				regulator-min-microvolt = <810000>;
+				regulator-max-microvolt = <1080000>;
+				regulator-ramp-delay = <2500>;
+				regulator-name = "vdd-gpu";
+			};
+
+			reg_dcdcd: dcdcd {
+				regulator-always-on;
+				regulator-min-microvolt = <960000>;
+				regulator-max-microvolt = <960000>;
+				regulator-name = "vdd-sys";
+			};
+
+			reg_dcdce: dcdce {
+				regulator-always-on;
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <1200000>;
+				regulator-name = "vcc-dram";
+			};
+
+			sw {
+				/* unused */
+			};
+		};
+	};
+};
+
+&rtc {
+	clocks = <&ext_osc32k>;
+};
+
+&uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart0_ph_pins>;
+	status = "okay";
+};
+
+&usb2otg {
+	dr_mode = "host";
+	status = "okay";
+};
+
+&usb2phy {
+	usb0_id_det-gpios = <&pio 2 15 GPIO_ACTIVE_HIGH>; /* PC15 */
+	usb0_vbus-supply = <&reg_vcc5v>;
+	usb3_vbus-supply = <&reg_vcc5v>;
+	status = "okay";
+};
+
+&usb3phy {
+	status = "okay";
+};
-- 
2.39.1

