From 3d8e4be5ff1783dffc6cad7d69f06366e0eb5d6c Mon Sep 17 00:00:00 2001
From: Igor Pecovnik <igor.pecovnik@gmail.com>
Date: Mon, 7 Sep 2020 21:21:55 +0200
Subject: [PATCH] Add Nanopi Neo3 with enabled I2S and spdif

Signed-off-by: Igor Pecovnik <igor.pecovnik@gmail.com>
---
diff --git a/arch/arm64/boot/dts/rockchip/rk3328-nanopi-neo3-rev02.dts b/arch/arm64/boot/dts/rockchip/rk3328-nanopi-neo3-rev02.dts
new file mode 100644
index 000000000..bf0a625fe
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/rk3328-nanopi-neo3-rev02.dts
@@ -0,0 +1,195 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2019 FriendlyElec Computer Tech. Co., Ltd.
+ * (http://www.friendlyarm.com)
+ */
+
+/dts-v1/;
+#include <dt-bindings/input/linux-event-codes.h>
+#include "rk3328-nanopi-r2s.dts"
+
+/ {
+	model = "FriendlyElec NanoPi NEO3";
+	compatible = "friendlyelec,nanopi-neo3", "rockchip,rk3328";
+
+	gpio-keys {
+		compatible = "gpio-keys";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		autorepeat;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&gpio_key1>;
+
+		button@0 {
+			gpios = <&gpio0 RK_PA0 GPIO_ACTIVE_LOW>;
+			label = "reset";
+			linux,code = <BTN_1>;
+			linux,input-type = <1>;
+			gpio-key,wakeup = <1>;
+			debounce-interval = <100>;
+		};
+	};
+
+	i2s-sound {
+		compatible = "simple-audio-card";
+		simple-audio-card,format = "i2s";
+		simple-audio-card,mclk-fs = <256>;
+		simple-audio-card,name = "I2S Out";
+        status = "okay";
+
+		simple-audio-card,cpu {
+				sound-dai = <&i2s1>;
+		};
+
+		simple-audio-card,codec {
+				sound-dai = <&pcm5102>;
+		};
+	};
+
+    pcm5102: pcm510x {
+	    #sound-dai-cells = <0>;
+	    compatible = "ti,pcm5102a";
+	    pcm510x,format = "i2s";
+    };
+
+	sound-spdif {
+		compatible = "simple-audio-card";
+		simple-audio-card,name = "SPDIF";
+		simple-audio-card,cpu {
+			sound-dai = <&spdif>;
+		};
+		simple-audio-card,codec {
+			sound-dai = <&spdif_out>;
+		};
+	};
+
+	spdif_out: spdif-out {
+		compatible = "linux,spdif-dit";
+		#sound-dai-cells = <0>;
+	};
+
+	vcc_rtl8153: vcc-rtl8153-regulator {
+		compatible = "regulator-fixed";
+		gpio = <&gpio2 RK_PC6 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&usb30_en_drv>;
+		regulator-always-on;
+		regulator-name = "vcc_rtl8153";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		off-on-delay-us = <5000>;
+		enable-active-high;
+	};
+};
+
+&mach {
+	hwrev = <2>;
+	model = "NanoPi NEO3";
+};
+
+&i2s1 {
+    rockchip,playback-channels = <2>;
+    pinctrl-names = "default";
+	pinctrl-0 = <&i2s1_mclk
+		     &i2s1_sclk
+		     &i2s1_lrcktx
+		     &i2s1_lrckrx
+		     &i2s1_sdo
+		     &i2s1_sdi>;
+	status = "okay";
+};
+
+&spdif {
+    status = "okay";
+    pinctrl-0 = <&spdifm0_tx>;
+};
+
+&emmc {
+	status = "disabled";
+};
+
+&i2c0 {
+	status = "okay";
+};
+
+&leds {
+	status = "okay";
+
+};
+
+&leds_gpio {
+	rockchip,pins =
+		<0 RK_PA2 RK_FUNC_GPIO &pcfg_pull_none>;
+};
+
+&pwm2 {
+	pinctrl-names = "default", "sleep";
+	pinctrl-1 = <&pwm2_sleep_pin>;
+	status = "okay";
+};
+
+&rk805 {
+	interrupt-parent = <&gpio1>;
+	interrupts = <RK_PD0 IRQ_TYPE_LEVEL_LOW>;
+};
+
+&vccio_sd {
+	status = "okay";
+};
+
+&io_domains {
+	vccio3-supply = <&vccio_sd>;
+};
+
+&sdmmc {
+	vqmmc-supply = <&vccio_sd>;
+	max-frequency = <150000000>;
+	sd-uhs-sdr50;
+	sd-uhs-sdr104;
+	status = "okay";
+};
+
+&sdmmc_ext {
+	status = "disabled";
+};
+
+&sdio_pwrseq {
+	status = "disabled";
+};
+
+&pinctrl {
+	pmic {
+		pmic_int_l: pmic-int-l {
+			rockchip,pins = <1 RK_PD0 RK_FUNC_GPIO &pcfg_pull_up>;
+		};
+	};
+
+	pwm {
+		pwm2_sleep_pin: pwm2-sleep-pin {
+			rockchip,pins = <2 RK_PA6 RK_FUNC_GPIO &pcfg_output_low>;
+		};
+	};
+
+	rockchip-key {
+		gpio_key1: gpio-key1 {
+			rockchip,pins = <0 RK_PA0 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+
+	usb {
+		otg_vbus_drv: otg-vbus-drv {
+			rockchip,pins = <1 RK_PD2 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+
+		usb30_en_drv: usb30-en-drv {
+			rockchip,pins = <2 RK_PC6 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+};
+
+&uart1{
+    status = "okay";
+    pinctl-0 = <&uart1_xfer>;
+};
+
--
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