linux-kernel - Re: [PATCH 3/3] arm64: dts: allwinner: Add initial support for Pine64 PinePhone

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Date:   Mon, 24 Feb 2020 12:00:27 +0100
From:   Maxime Ripard <maxime@...no.tech>
To:     Ondrej Jirman <megous@...ous.com>
Cc:     linux-sunxi@...glegroups.com, Rob Herring <robh+dt@...nel.org>,
        Chen-Yu Tsai <wens@...e.org>,
        Mark Rutland <mark.rutland@....com>,
        Corentin Labbe <clabbe@...libre.com>,
        Georgii Staroselskii <georgii.staroselskii@...id.com>,
        Samuel Holland <samuel@...lland.org>,
        Martijn Braam <martijn@...xit.nl>, Luca Weiss <luca@...tu.xyz>,
        Bhushan Shah <bshah@....org>, Icenowy Zheng <icenowy@...c.io>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] arm64: dts: allwinner: Add initial support for
 Pine64 PinePhone

Hi,

On Sun, Feb 23, 2020 at 06:29:16PM +0100, Ondrej Jirman wrote:
> At them moment PinePhone comes in two slightly incompatible variants:
>
> - 1.0: Early Developer Batch
> - 1.1: Braveheart Batch
>
> There will be at least one more incompatible variant in the very near
> future, so let's start by sharing the dtsi among multiple variants,
> right away, even though the HW description doesn't yet include the
> different bits.
>
> This is a basic DT that includes only features that are already
> supported by mainline drivers.

What are those incompatibilities? It's not really obvious from your
patch.

> Co-developed-by: Samuel Holland <samuel@...lland.org>
> Signed-off-by: Samuel Holland <samuel@...lland.org>
> Co-developed-by: Martijn Braam <martijn@...xit.nl>
> Signed-off-by: Martijn Braam <martijn@...xit.nl>
> Co-developed-by: Luca Weiss <luca@...tu.xyz>
> Signed-off-by: Luca Weiss <luca@...tu.xyz>
> Signed-off-by: Bhushan Shah <bshah@....org>
> Signed-off-by: Icenowy Zheng <icenowy@...c.io>
> Signed-off-by: Ondrej Jirman <megous@...ous.com>
> ---
>  arch/arm64/boot/dts/allwinner/Makefile        |   2 +
>  .../allwinner/sun50i-a64-pinephone-1.0.dts    |  11 +
>  .../allwinner/sun50i-a64-pinephone-1.1.dts    |  11 +
>  .../dts/allwinner/sun50i-a64-pinephone.dtsi   | 385 ++++++++++++++++++
>  4 files changed, 409 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.0.dts
>  create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.1.dts
>  create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
>
> diff --git a/arch/arm64/boot/dts/allwinner/Makefile b/arch/arm64/boot/dts/allwinner/Makefile
> index cf4f78617c3f3..79ca263672c38 100644
> --- a/arch/arm64/boot/dts/allwinner/Makefile
> +++ b/arch/arm64/boot/dts/allwinner/Makefile
> @@ -9,6 +9,8 @@ dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-orangepi-win.dtb
>  dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-pine64-lts.dtb
>  dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-pine64-plus.dtb sun50i-a64-pine64.dtb
>  dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-pinebook.dtb
> +dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-pinephone-1.0.dtb
> +dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-pinephone-1.1.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-bananapi-m2-plus.dtb
> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.0.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.0.dts
> new file mode 100644
> index 0000000000000..0c42272106afa
> --- /dev/null
> +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.0.dts
> @@ -0,0 +1,11 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +// Copyright (C) 2020 Ondrej Jirman <megous@...ous.com>

Given the list of authors, surely you're not the sole copyright owner
here?

> +/dts-v1/;
> +
> +#include "sun50i-a64-pinephone.dtsi"
> +
> +/ {
> +	model = "Pine64 PinePhone Developer Batch (1.0)";
> +	compatible = "pine64,pinephone-1.0", "allwinner,sun50i-a64";
> +};
> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.1.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.1.dts
> new file mode 100644
> index 0000000000000..06a775c41664b
> --- /dev/null
> +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.1.dts
> @@ -0,0 +1,11 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +// Copyright (C) 2020 Ondrej Jirman <megous@...ous.com>
> +
> +/dts-v1/;
> +
> +#include "sun50i-a64-pinephone.dtsi"
> +
> +/ {
> +	model = "Pine64 PinePhone Braveheart (1.1)";
> +	compatible = "pine64,pinephone-1.1", "allwinner,sun50i-a64";
> +};
> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
> new file mode 100644
> index 0000000000000..d0cf21d82c9e9
> --- /dev/null
> +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
> @@ -0,0 +1,385 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +// Copyright (C) 2019 Icenowy Zheng <icenowy@...c.xyz>
> +// Copyright (C) 2020 Ondrej Jirman <megous@...ous.com>
> +
> +#include "sun50i-a64.dtsi"
> +#include "sun50i-a64-cpu-opp.dtsi"
> +
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/input.h>
> +#include <dt-bindings/leds/common.h>
> +#include <dt-bindings/pwm/pwm.h>
> +
> +/ {
> +	aliases {
> +		serial0 = &uart0;
> +	};
> +
> +	chosen {
> +		stdout-path = "serial0:115200n8";
> +	};
> +
> +	leds {
> +		compatible = "gpio-leds";
> +
> +		blue {
> +			function = LED_FUNCTION_INDICATOR;
> +			function-enumerator = <1>;
> +			color = <LED_COLOR_ID_BLUE>;
> +			gpios = <&pio 3 20 GPIO_ACTIVE_HIGH>; /* PD20 */
> +		};
> +
> +		green {
> +			function = LED_FUNCTION_INDICATOR;
> +			function-enumerator = <2>;
> +			color = <LED_COLOR_ID_GREEN>;
> +			gpios = <&pio 3 18 GPIO_ACTIVE_HIGH>; /* PD18 */
> +		};
> +
> +		red {
> +			function = LED_FUNCTION_INDICATOR;
> +			function-enumerator = <3>;
> +			color = <LED_COLOR_ID_RED>;
> +			gpios = <&pio 3 19 GPIO_ACTIVE_HIGH>; /* PD19 */
> +		};
> +	};

LEDs should be named using the $color:$board:$usage pattern

> +
> +	speaker_amp: audio-amplifier {
> +		compatible = "simple-audio-amplifier";
> +		enable-gpios = <&pio 2 7 GPIO_ACTIVE_HIGH>; /* PC7 */
> +		sound-name-prefix = "Speaker Amp";
> +	};
> +
> +	vibrator {
> +		compatible = "gpio-vibrator";
> +		enable-gpios = <&pio 3 2 GPIO_ACTIVE_HIGH>; /* PD2 */
> +		vcc-supply = <&reg_dcdc1>;
> +	};
> +};
> +
> +&codec {
> +	status = "okay";
> +};
> +
> +&codec_analog {
> +	cpvdd-supply = <&reg_eldo1>;
> +	status = "okay";
> +};
> +
> +&cpu0 {
> +	cpu-supply = <&reg_dcdc2>;
> +};
> +
> +&cpu1 {
> +	cpu-supply = <&reg_dcdc2>;
> +};
> +
> +&cpu2 {
> +	cpu-supply = <&reg_dcdc2>;
> +};
> +
> +&cpu3 {
> +	cpu-supply = <&reg_dcdc2>;
> +};
> +
> +&dai {
> +	status = "okay";
> +};
> +
> +&ehci0 {
> +	status = "okay";
> +};
> +
> +&ehci1 {
> +	status = "okay";
> +};
> +
> +&i2c1 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&i2c1_pins>;

That's the default

> +	status = "okay";
> +
> +	/* Magnetometer */
> +	lis3mdl@1e {
> +		compatible = "st,lis3mdl-magn";
> +		reg = <0x1e>;
> +		vdd-supply = <&reg_dldo1>;
> +		vddio-supply = <&reg_dldo1>;
> +	};
> +
> +	/* Accelerometer/gyroscope */
> +	mpu6050@68 {
> +		compatible = "invensense,mpu6050";
> +		reg = <0x68>;
> +		interrupt-parent = <&pio>;
> +		interrupts = <7 5 IRQ_TYPE_EDGE_RISING>; /* PH5 */
> +		vdd-supply = <&reg_dldo1>;
> +		vddio-supply = <&reg_dldo1>;
> +	};
> +};
> +
> +/* Connected to pogo pins */
> +&i2c2 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&i2c2_pins>;

That's the default as well

> +	status = "okay";
> +};

And I'm not sure what the pogo pins are?

> +
> +&lradc {
> +	vref-supply = <&reg_aldo3>;
> +	status = "okay";
> +
> +	button-200 {
> +		label = "Volume Up";
> +		linux,code = <KEY_VOLUMEUP>;
> +		channel = <0>;
> +		voltage = <200000>;
> +	};
> +
> +	button-400 {
> +		label = "Volume Down";
> +		linux,code = <KEY_VOLUMEDOWN>;
> +		channel = <0>;
> +		voltage = <400000>;
> +	};
> +};
> +
> +&mmc0 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&mmc0_pins>;

That's the default

> +	vmmc-supply = <&reg_dcdc1>;
> +	vqmmc-supply = <&reg_dcdc1>;
> +	cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; /* PF6 */
> +	disable-wp;
> +	bus-width = <4>;
> +	status = "okay";
> +};
> +
> +&mmc2 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&mmc2_pins>;

Ditto

> +	vmmc-supply = <&reg_dcdc1>;
> +	vqmmc-supply = <&reg_dcdc1>;
> +	bus-width = <8>;
> +	non-removable;
> +	cap-mmc-hw-reset;
> +	status = "okay";
> +};
> +
> +&ohci0 {
> +	status = "okay";
> +};
> +
> +&ohci1 {
> +	status = "okay";
> +};
> +
> +&pio {
> +	vcc-pb-supply = <&reg_dcdc1>;
> +	vcc-pc-supply = <&reg_dcdc1>;
> +	vcc-pd-supply = <&reg_dcdc1>;
> +	vcc-pe-supply = <&reg_aldo1>;
> +	vcc-pf-supply = <&reg_dcdc1>;
> +	vcc-pg-supply = <&reg_dldo4>;
> +	vcc-ph-supply = <&reg_dcdc1>;
> +};
> +
> +&r_pio {
> +	/*
> +	 * FIXME: We can't add that supply for now since it would
> +	 * create a circular dependency between pinctrl, the regulator
> +	 * and the RSB Bus.
> +	 *
> +	 * vcc-pl-supply = <&reg_aldo2>;
> +	 */
> +};
> +
> +&r_rsb {
> +	status = "okay";
> +
> +	axp803: pmic@3a3 {
> +		compatible = "x-powers,axp803";
> +		reg = <0x3a3>;
> +		interrupt-parent = <&r_intc>;
> +		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
> +	};
> +};
> +
> +#include "axp803.dtsi"
> +
> +&ac_power_supply {
> +	status = "okay";
> +};
> +
> +&battery_power_supply {
> +	status = "okay";
> +};
> +
> +&reg_aldo1 {
> +	regulator-min-microvolt = <1800000>;
> +	regulator-max-microvolt = <1800000>;
> +	regulator-name = "dovdd-csi";
> +};
> +
> +&reg_aldo2 {
> +	regulator-always-on;
> +	regulator-min-microvolt = <1800000>;
> +	regulator-max-microvolt = <1800000>;
> +	regulator-name = "vcc-pl";
> +};
> +
> +&reg_aldo3 {
> +	regulator-always-on;
> +	regulator-min-microvolt = <2700000>;
> +	regulator-max-microvolt = <3300000>;
> +	regulator-name = "vcc-pll-avcc";
> +};
> +
> +&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-dsi-sensor";
> +};
> +
> +&reg_dldo2 {
> +	regulator-min-microvolt = <1800000>;
> +	regulator-max-microvolt = <1800000>;
> +	regulator-name = "vcc-mipi-io";
> +};
> +
> +&reg_dldo3 {
> +	regulator-min-microvolt = <2800000>;
> +	regulator-max-microvolt = <2800000>;
> +	regulator-name = "avdd-csi";
> +};
> +
> +&reg_dldo4 {
> +	regulator-min-microvolt = <1800000>;
> +	regulator-max-microvolt = <3300000>;
> +	regulator-name = "vcc-wifi-io";
> +};
> +
> +&reg_eldo1 {
> +	regulator-always-on;
> +	regulator-min-microvolt = <1800000>;
> +	regulator-max-microvolt = <1800000>;
> +	regulator-name = "vcc-lpddr";
> +};
> +
> +&reg_eldo3 {
> +	regulator-min-microvolt = <1800000>;
> +	regulator-max-microvolt = <1800000>;
> +	regulator-name = "dvdd-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-lcd-ctp-stk";
> +	status = "okay";
> +};
> +
> +&reg_ldo_io1 {
> +	regulator-min-microvolt = <1800000>;
> +	regulator-max-microvolt = <1800000>;
> +	regulator-name = "vcc-1v8-typec";
> +	status = "okay";
> +};
> +
> +&reg_rtc_ldo {
> +	regulator-name = "vcc-rtc";
> +};
> +
> +&sound {
> +	status = "okay";
> +	simple-audio-card,aux-devs = <&codec_analog>, <&speaker_amp>;
> +	simple-audio-card,widgets = "Microphone", "Headset Microphone",
> +				    "Microphone", "Internal Microphone",
> +				    "Headphone", "Headphone Jack",
> +				    "Speaker", "Internal Earpiece",
> +				    "Speaker", "Internal Speaker";
> +	simple-audio-card,routing =
> +			"Headphone Jack", "HP",
> +			"Internal Earpiece", "EARPIECE",
> +			"Internal Speaker", "Speaker Amp OUTL",
> +			"Internal Speaker", "Speaker Amp OUTR",
> +			"Speaker Amp INL", "LINEOUT",
> +			"Speaker Amp INR", "LINEOUT",
> +			"Left DAC", "AIF1 Slot 0 Left",
> +			"Right DAC", "AIF1 Slot 0 Right",
> +			"AIF1 Slot 0 Left ADC", "Left ADC",
> +			"AIF1 Slot 0 Right ADC", "Right ADC",
> +			"Internal Microphone", "MBIAS",
> +			"MIC1", "Internal Microphone",
> +			"Headset Microphone", "HBIAS",
> +			"MIC2", "Headset Microphone";
> +};
> +
> +&uart0 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&uart0_pb_pins>;
> +	status = "okay";
> +};
> +
> +/* Connected to the modem */
> +&uart3 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&uart3_pins>;

That's the default too, and I guess you'd need hardware flow control
here?

> +	status = "okay";
> +};
> +
> +&usb_otg {
> +	dr_mode = "peripheral";
> +	status = "okay";
> +};
> +
> +&usb_power_supply {
> +	status = "okay";
> +};
> +
> +&usbphy {
> +	status = "okay";
> +};
> --
> 2.25.1
>

Looks good otherwise, thanks!
Maxime

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