[PATCH v2 3/3] arm64: dts: allwinner: add support for Pinebook

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From: Icenowy Zheng <icenowy@xxxxxxxx>

Pinebook is a A64-based laptop produced by Pine64, with the following
peripherals:

USB:
- Two external USB ports (one is directly connected to A64's OTG
controller, the other is under a internal hub connected to the host-only
controller.)
- USB HID keyboard and touchpad connected to the internal hub.
- USB UVC camera connected to the internal hub.

Power-related:
- A DC IN jack connected to AXP803's DCIN pin.
- A Li-Polymer battery connected to AXP803's battery pins.

Storage:
- An eMMC by Foresee on the main board (in the product revision of the
main board it's designed to be switchable).
- An external MicroSD card slot.

Display:
- An eDP LCD panel (1366x768) connected via an ANX6345 RGB-eDP bridge.
- A mini HDMI port.

Misc:
- A Hall sensor designed to detect the status of lid, connected to GPIO PL12.
- A headphone jack connected to the SoC's internal codec.
- A debug UART port muxed with headphone jack.

This commit adds basical support for it.

[vasily: squashed several commits into one, added simplefb node, added usbphy
	 to ehci0 and ohci0 nodes and other cosmetic changes to dts]

Signed-off-by: Icenowy Zheng <icenowy@xxxxxxxx>
Signed-off-by: Vasily Khoruzhick <anarsoul@xxxxxxxxx>
---
 arch/arm64/boot/dts/allwinner/Makefile        |   1 +
 .../dts/allwinner/sun50i-a64-pinebook.dts     | 280 ++++++++++++++++++
 2 files changed, 281 insertions(+)
 create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts

diff --git a/arch/arm64/boot/dts/allwinner/Makefile b/arch/arm64/boot/dts/allwinner/Makefile
index 8bebe7da5ed9..a8c6d0c6f2c5 100644
--- a/arch/arm64/boot/dts/allwinner/Makefile
+++ b/arch/arm64/boot/dts/allwinner/Makefile
@@ -4,6 +4,7 @@ dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-nanopi-a64.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-olinuxino.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-orangepi-win.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-pine64-plus.dtb sun50i-a64-pine64.dtb
+dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-pinebook.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-sopine-baseboard.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-teres-i.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h5-orangepi-pc2.dtb
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts
new file mode 100644
index 000000000000..58253d6f9be1
--- /dev/null
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts
@@ -0,0 +1,280 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (C) 2017 Icenowy Zheng <icenowy@xxxxxxxx>
+ * Copyright (C) 2018 Vasily Khoruzhick <anarsoul@xxxxxxxxx>
+ *
+ */
+
+/dts-v1/;
+
+#include "sun50i-a64.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/pwm/pwm.h>
+
+/ {
+	model = "Pinebook";
+	compatible = "pine64,pinebook", "allwinner,sun50i-a64";
+
+	aliases {
+		serial0 = &uart0;
+		ethernet0 = &rtl8723cs;
+	};
+
+	backlight: backlight {
+		compatible = "pwm-backlight";
+		pwms = <&pwm 0 50000 0>;
+		brightness-levels = <0 5 10 15 20 30 40 55 70 85 100>;
+		default-brightness-level = <2>;
+		enable-gpios = <&pio 3 23 GPIO_ACTIVE_HIGH>; /* PD23 */
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+
+		framebuffer-lcd {
+			panel-supply = <&reg_dc1sw>;
+			dvdd25-supply = <&reg_dldo2>;
+			dvdd12-supply = <&reg_fldo1>;
+		};
+	};
+
+	gpio_keys {
+		compatible = "gpio-keys";
+
+		lid_switch {
+			label = "Lid Switch";
+			gpios = <&r_pio 0 12 GPIO_ACTIVE_LOW>; /* PL12 */
+			linux,input-type = <EV_SW>;
+			linux,code = <SW_LID>;
+			linux,can-disable;
+		};
+	};
+
+	reg_vcc3v3: vcc3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc3v3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+	};
+
+	wifi_pwrseq: wifi_pwrseq {
+		compatible = "mmc-pwrseq-simple";
+		reset-gpios = <&r_pio 0 2 GPIO_ACTIVE_LOW>; /* PL2 */
+	};
+};
+
+&ehci0 {
+	phys = <&usbphy 0>;
+	phy-names = "usb";
+	status = "okay";
+};
+
+&ehci1 {
+	status = "okay";
+};
+
+&mmc0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mmc0_pins>;
+	vmmc-supply = <&reg_dcdc1>;
+	cd-gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>;
+	cd-inverted;
+	disable-wp;
+	bus-width = <4>;
+	status = "okay";
+};
+
+&mmc1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mmc1_pins>;
+	vmmc-supply = <&reg_dldo4>;
+	vqmmc-supply = <&reg_eldo1>;
+	mmc-pwrseq = <&wifi_pwrseq>;
+	bus-width = <4>;
+	non-removable;
+	status = "okay";
+
+	rtl8723cs: wifi@1 {
+		reg = <1>;
+	};
+};
+
+&mmc2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mmc2_pins>;
+	vmmc-supply = <&reg_dcdc1>;
+	vqmmc-supply = <&reg_eldo1>;
+	bus-width = <8>;
+	non-removable;
+	cap-mmc-hw-reset;
+	mmc-hs200-1_8v;
+	status = "okay";
+};
+
+&ohci0 {
+	phys = <&usbphy 0>;
+	phy-names = "usb";
+	status = "okay";
+};
+
+&ohci1 {
+	status = "okay";
+};
+
+&pwm {
+	status = "okay";
+};
+
+&r_rsb {
+	status = "okay";
+
+	axp803: pmic@3a3 {
+		compatible = "x-powers,axp803";
+		reg = <0x3a3>;
+		interrupt-parent = <&r_intc>;
+		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
+	};
+};
+
+/* The ANX6345 eDP-bridge is on r_i2c */
+&r_i2c {
+	clock-frequency = <100000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&r_i2c_pins_a>;
+	status = "okay";
+};
+
+#include "axp803.dtsi"
+
+&reg_aldo1 {
+	regulator-min-microvolt = <2800000>;
+	regulator-max-microvolt = <2800000>;
+	regulator-name = "vcc-csi";
+};
+
+&reg_aldo2 {
+	regulator-always-on;
+	regulator-min-microvolt = <1800000>;
+	regulator-max-microvolt = <3300000>;
+	regulator-name = "vcc-pl";
+};
+
+&reg_aldo3 {
+	regulator-always-on;
+	regulator-min-microvolt = <2700000>;
+	regulator-max-microvolt = <3300000>;
+	regulator-name = "vcc-pll-avcc";
+};
+
+&reg_dc1sw {
+	regulator-name = "vcc-lcd";
+};
+
+&reg_dcdc1 {
+	regulator-always-on;
+	regulator-min-microvolt = <3300000>;
+	regulator-max-microvolt = <3300000>;
+	regulator-name = "vcc-3v3";
+};
+
+&reg_dcdc2 {
+	regulator-always-on;
+	regulator-min-microvolt = <1000000>;
+	regulator-max-microvolt = <1300000>;
+	regulator-name = "vdd-cpux";
+};
+
+/* DCDC3 is polyphased with DCDC2 */
+
+&reg_dcdc5 {
+	regulator-always-on;
+	regulator-min-microvolt = <1200000>;
+	regulator-max-microvolt = <1200000>;
+	regulator-name = "vcc-dram";
+};
+
+&reg_dcdc6 {
+	regulator-always-on;
+	regulator-min-microvolt = <1100000>;
+	regulator-max-microvolt = <1100000>;
+	regulator-name = "vdd-sys";
+};
+
+&reg_dldo1 {
+	regulator-min-microvolt = <3300000>;
+	regulator-max-microvolt = <3300000>;
+	regulator-name = "vcc-hdmi";
+};
+
+&reg_dldo2 {
+	regulator-min-microvolt = <2500000>;
+	regulator-max-microvolt = <2500000>;
+	regulator-name = "vcc-edp";
+};
+
+&reg_dldo3 {
+	regulator-min-microvolt = <3300000>;
+	regulator-max-microvolt = <3300000>;
+	regulator-name = "avdd-csi";
+};
+
+&reg_dldo4 {
+	regulator-min-microvolt = <3300000>;
+	regulator-max-microvolt = <3300000>;
+	regulator-name = "vcc-wifi";
+};
+
+&reg_eldo1 {
+	regulator-always-on;
+	regulator-min-microvolt = <1800000>;
+	regulator-max-microvolt = <1800000>;
+	regulator-name = "cpvdd";
+};
+
+&reg_eldo3 {
+	regulator-min-microvolt = <1800000>;
+	regulator-max-microvolt = <1800000>;
+	regulator-name = "vdd-1v8-csi";
+};
+
+&reg_fldo1 {
+	regulator-min-microvolt = <1200000>;
+	regulator-max-microvolt = <1200000>;
+	regulator-name = "vcc-1v2-hsic";
+};
+
+&reg_fldo2 {
+	regulator-always-on;
+	regulator-min-microvolt = <1100000>;
+	regulator-max-microvolt = <1100000>;
+	regulator-name = "vdd-cpus";
+};
+
+&reg_ldo_io0 {
+	regulator-min-microvolt = <3300000>;
+	regulator-max-microvolt = <3300000>;
+	regulator-name = "vcc-usb";
+	status = "okay";
+};
+
+&reg_rtc_ldo {
+	regulator-name = "vcc-rtc";
+};
+
+&uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart0_pins_a>;
+	status = "okay";
+};
+
+&usb_otg {
+	dr_mode = "host";
+};
+
+&usbphy {
+	usb0_vbus-supply = <&reg_ldo_io0>;
+	usb1_vbus-supply = <&reg_ldo_io0>;
+	status = "okay";
+};
-- 
2.17.1

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