From 265a4f2df88d969f26edc1303bc0f6b1527d54d1 Mon Sep 17 00:00:00 2001
From: Christian Hewitt <christianshewitt@gmail.com>
Date: Wed, 6 Jul 2022 10:01:03 +0000
Subject: [PATCH 093/120] WIP: arm64: dts: meson: add support for Beelink GT1

The Beelink GT1 is based on the Amlogic S912 (Q200) reference
design with the following specifications:

- 2GB DDR3 RAM
- 16GB eMMC
- HDMI 2.1 video
- S/PDIF optical output
- 10/100/1000 Ethernet
- QCA9377 Wireless (802.11 a/b/g/n, BT 4.0)
- 2x USB 2.0 ports
- IR receiver (internal)
- 1x micro SD card slot
- 1x Power LED (white)
- 1x Reset button (underneath)

Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
---
 arch/arm64/boot/dts/amlogic/Makefile          |   1 +
 arch/arm64/boot/dts/amlogic/meson-gxm-gt1.dts | 126 ++++++++++++++++++
 2 files changed, 127 insertions(+)
 create mode 100644 arch/arm64/boot/dts/amlogic/meson-gxm-gt1.dts

diff --git a/arch/arm64/boot/dts/amlogic/Makefile b/arch/arm64/boot/dts/amlogic/Makefile
index 48459c7f8f1e..187c83c4c61e 100644
--- a/arch/arm64/boot/dts/amlogic/Makefile
+++ b/arch/arm64/boot/dts/amlogic/Makefile
@@ -64,6 +64,7 @@ dtb-$(CONFIG_ARCH_MESON) += meson-gxl-s905x-libretech-cc-v2.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-gxl-s905x-libretech-cc.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-gxl-s905x-nexbox-a95x.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-gxl-s905x-p212.dtb
+dtb-$(CONFIG_ARCH_MESON) += meson-gxm-gt1.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-gxm-gt1-ultimate.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-gxm-khadas-vim2.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-gxm-mecool-kiii-pro.dtb
diff --git a/arch/arm64/boot/dts/amlogic/meson-gxm-gt1.dts b/arch/arm64/boot/dts/amlogic/meson-gxm-gt1.dts
new file mode 100644
index 000000000000..c7cdb15a4810
--- /dev/null
+++ b/arch/arm64/boot/dts/amlogic/meson-gxm-gt1.dts
@@ -0,0 +1,126 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) Christian Hewitt <christianshewitt@gmail.com>
+ */
+
+/dts-v1/;
+
+#include "meson-gxm.dtsi"
+#include "meson-gx-p23x-q20x.dtsi"
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/leds/common.h>
+
+/ {
+	compatible = "azw,gt1", "amlogic,s912", "amlogic,meson-gxm";
+	model = "Beelink GT1";
+
+	aliases {
+		rtc0 = &rtc;
+		rtc1 = &vrtc;
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		led-white {
+			color = <LED_COLOR_ID_WHITE>;
+			function = LED_FUNCTION_POWER;
+			gpios = <&gpio_ao GPIOAO_9 GPIO_ACTIVE_HIGH>;
+			default-state = "on";
+			panic-indicator;
+		};
+	};
+
+	adc-keys {
+		compatible = "adc-keys";
+		io-channels = <&saradc 0>;
+		io-channel-names = "buttons";
+		keyup-threshold-microvolt = <1710000>;
+
+		button-function {
+			label = "update";
+			linux,code = <KEY_VENDOR>;
+			press-threshold-microvolt = <10000>;
+		};
+	};
+};
+
+&ethmac {
+	pinctrl-0 = <&eth_pins>;
+	pinctrl-names = "default";
+
+	phy-handle = <&external_phy>;
+	phy-mode = "rgmii";
+
+	amlogic,tx-delay-ns = <2>;
+};
+
+&external_mdio {
+	external_phy: ethernet-phy@0 {
+		/* Realtek RTL8211F (0x2009087f) */
+		reg = <0>;
+		max-speed = <1000>;
+
+		reset-assert-us = <10000>;
+		reset-deassert-us = <80000>;
+		reset-gpios = <&gpio GPIOZ_14 GPIO_ACTIVE_LOW>;
+
+		interrupt-parent = <&gpio_intc>;
+		/* MAC_INTR on GPIOZ_15 */
+		interrupts = <25 IRQ_TYPE_LEVEL_LOW>;
+	};
+};
+
+&ir {
+	linux,rc-map-name = "rc-beelink-gs1";
+};
+
+&i2c_B {
+	status = "okay";
+	pinctrl-0 = <&i2c_b_pins>;
+	pinctrl-names = "default";
+
+	rtc: rtc@51 {
+		compatible = "haoyu,hym8563";
+		reg = <0x51>;
+		#clock-cells = <0>;
+		clock-frequency = <32768>;
+		clock-output-names = "xin32k";
+		wakeup-source;
+	};
+};
+
+&pinctrl_periphs {
+	/* Ensure the phy irq pin is properly configured as input */
+	eth_phy_irq_pin: eth-phy-irq {
+		mux {
+			groups = "GPIOZ_15";
+			function = "gpio_periphs";
+			bias-disable;
+			output-disable;
+		};
+	};
+};
+
+&sd_emmc_a {
+	/* QCA9377 WiFi */
+	ath10k: wifi@1 {
+		reg = <1>;
+		compatible = "qcom,ath10k";
+	};
+};
+
+&uart_A {
+	status = "okay";
+	pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
+	pinctrl-names = "default";
+	uart-has-rtscts;
+
+	bluetooth {
+		compatible = "qcom,qca9377-bt";
+		shutdown-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>;
+		max-speed = <2000000>;
+		clocks = <&wifi32k>;
+		clock-names = "lpo";
+	};
+};
-- 
2.34.1