linux-kernel - Re: [PATCH 01/12] arm64: dts: allwinner: h6: Add Orange Pi 3 DTS

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Date:   Mon, 8 Apr 2019 09:46:28 +0200
From:   Maxime Ripard <maxime.ripard@...tlin.com>
To:     megous@...ous.com
Cc:     linux-sunxi@...glegroups.com, Chen-Yu Tsai <wens@...e.org>,
        Rob Herring <robh+dt@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Mark Rutland <mark.rutland@....com>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Jose Abreu <joabreu@...opsys.com>,
        "David S. Miller" <davem@...emloft.net>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Arend van Spriel <arend.vanspriel@...adcom.com>,
        Franky Lin <franky.lin@...adcom.com>,
        Hante Meuleman <hante.meuleman@...adcom.com>,
        Chi-Hsien Lin <chi-hsien.lin@...ress.com>,
        Wright Feng <wright.feng@...ress.com>,
        Kalle Valo <kvalo@...eaurora.org>,
        Naveen Gupta <naveen.gupta@...ress.com>,
        dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com,
        linux-wireless@...r.kernel.org,
        brcm80211-dev-list.pdl@...adcom.com,
        brcm80211-dev-list@...ress.com, linux-gpio@...r.kernel.org
Subject: Re: [PATCH 01/12] arm64: dts: allwinner: h6: Add Orange Pi 3 DTS

On Sat, Apr 06, 2019 at 01:45:03AM +0200, megous@...ous.com wrote:
> From: Ondrej Jirman <megous@...ous.com>
>
> Orange Pi 3 is a H6 based SBC made by Xulong, released in
> January 2019. It has the following features:
>
> - Allwinner H6 quad-core 64-bit ARM Cortex-A53
> - GPU Mali-T720
> - 1GB or 2GB LPDDR3 RAM
> - AXP805 PMIC
> - AP6256 Wifi/BT 5.0
> - USB 2.0 host port (A)
> - USB 2.0 micro usb, OTG
> - USB 3.0 Host + 4 port USB hub (GL3510)
> - Gigabit Ethernet (Realtek RTL8211E phy)
> - HDMI 2.0 port
> - soldered eMMC (optional)
> - 3x LED (one is on the bottom)
> - microphone
> - audio jack
> - PCIe
>
> Add basic support for the board.
>
> Signed-off-by: Ondrej Jirman <megous@...ous.com>
> ---
>  arch/arm64/boot/dts/allwinner/Makefile        |   1 +
>  .../dts/allwinner/sun50i-h6-orangepi-3.dts    | 212 ++++++++++++++++++
>  2 files changed, 213 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-3.dts
>
> diff --git a/arch/arm64/boot/dts/allwinner/Makefile b/arch/arm64/boot/dts/allwinner/Makefile
> index e4dce2f6fa3a..285a7cb5135b 100644
> --- a/arch/arm64/boot/dts/allwinner/Makefile
> +++ b/arch/arm64/boot/dts/allwinner/Makefile
> @@ -20,6 +20,7 @@ dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h5-orangepi-pc2.dtb
>  dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h5-orangepi-prime.dtb
>  dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h5-orangepi-zero-plus.dtb
>  dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h5-orangepi-zero-plus2.dtb
> +dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h6-orangepi-3.dtb
>  dtb-$(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.dts b/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-3.dts
> new file mode 100644
> index 000000000000..7a2424fcaed7
> --- /dev/null
> +++ b/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-3.dts
> @@ -0,0 +1,212 @@
> +// SPDX-License-Identifier: (GPL-2.0+ or MIT)
> +/*
> + * Copyright (C) 2019 Ondřej Jirman <megous@...ous.com>
> + */
> +
> +/dts-v1/;
> +
> +#include "sun50i-h6.dtsi"
> +
> +#include <dt-bindings/gpio/gpio.h>
> +
> +/ {
> +	model = "OrangePi 3";
> +	compatible = "xunlong,orangepi-3", "allwinner,sun50i-h6";

As Clement pointed out, this should be documented in
Documentation/devicetree/bindings/arm/sunxi.yaml

It's part of sunxi/for-next only at this point, and it will go through
a different branch than the H6 DTS, so it would be great to have it in
a separate patch.

> +	aliases {
> +		serial0 = &uart0;
> +	};
> +
> +	chosen {
> +		stdout-path = "serial0:115200n8";
> +	};
> +
> +	leds {
> +		compatible = "gpio-leds";
> +
> +		power {
> +			label = "orangepi:red:power";
> +			gpios = <&r_pio 0 4 GPIO_ACTIVE_HIGH>; /* PL4 */
> +			default-state = "on";
> +		};
> +
> +		status {
> +			label = "orangepi:green:status";
> +			gpios = <&r_pio 0 7 GPIO_ACTIVE_HIGH>; /* PL7 */
> +		};
> +	};
> +
> +	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>;
> +};
> +
> +&ehci0 {
> +	status = "okay";
> +};
> +
> +&ehci3 {
> +	status = "okay";
> +};
> +
> +&mmc0 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&mmc0_pins>;
> +	vmmc-supply = <&reg_cldo1>;
> +	cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; /* PF6 */
> +	bus-width = <4>;
> +	status = "okay";
> +};
> +
> +&ohci0 {
> +	status = "okay";
> +};
> +
> +&ohci3 {
> +	status = "okay";
> +};
> +
> +&pio {
> +	vcc-pc-supply = <&reg_bldo2>;
> +	vcc-pd-supply = <&reg_cldo1>;
> +};
> +
> +&r_i2c {
> +	status = "okay";
> +
> +	axp805: pmic@36 {
> +		compatible = "x-powers,axp805", "x-powers,axp806";
> +		reg = <0x36>;
> +		interrupt-parent = <&r_intc>;
> +		interrupts = <0 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-always-on;
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <1800000>;
> +				regulator-name = "vcc-efuse-pcie-hdmi-pc";
> +			};
> +
> +			bldo3 {
> +				/* unused */
> +			};
> +
> +			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-name = "vdd-cpu";
> +			};
> +
> +			reg_dcdcc: dcdcc {
> +				regulator-min-microvolt = <810000>;
> +				regulator-max-microvolt = <1080000>;
> +				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 */
> +			};
> +		};
> +	};
> +};
> +
> +&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";

If we have an ID pin, then why is the OTG controller set to host?

Maxime

--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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