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Re: [linux-sunxi] [PATCH v2 02/13] arm64: dts: allwinner: h6: Add Orange Pi 3 DTS

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Based on the conversation about using common dtsi from this thread[1],
I'm commenting here to make show the diff directly on the nodes,
giving comments on each node so-that we can see the diff globally.

On Tue, Apr 9, 2019 at 5:55 AM megous via linux-sunxi
<linux-sunxi@xxxxxxxxxxxxxxxx> wrote:
>
> From: Ondrej Jirman <megous@xxxxxxxxxx>
>
> 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@xxxxxxxxxx>
> ---
>  arch/arm64/boot/dts/allwinner/Makefile        |   1 +
>  .../dts/allwinner/sun50i-h6-orangepi-3.dts    | 216 ++++++++++++++++++
>  2 files changed, 217 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..5fbc5e410883
> --- /dev/null
> +++ b/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-3.dts
> @@ -0,0 +1,216 @@
> +// SPDX-License-Identifier: (GPL-2.0+ or MIT)
> +/*
> + * Copyright (C) 2019 Ondřej Jirman <megous@xxxxxxxxxx>
> + */
> +
> +/dts-v1/;
> +
> +#include "sun50i-h6.dtsi"
> +
> +#include <dt-bindings/gpio/gpio.h>
> +
> +/ {
> +       model = "OrangePi 3";
> +       compatible = "xunlong,orangepi-3", "allwinner,sun50i-h6";
> +
> +       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;
> +       };
> +};

all above nodes are common to all h6 opi boards.

> +
> +&cpu0 {
> +       cpu-supply = <&reg_dcdca>;
> +};
> +
> +&ehci0 {
> +       status = "okay";
> +};
> +
> +&ehci3 {
> +       status = "okay";
> +};

common to all h6 opi boards.

> +
> +&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";
> +};

common to all h6 opi boards.

> +
> +&ohci0 {
> +       status = "okay";
> +};
> +
> +&ohci3 {
> +       status = "okay";
> +};

common to all h6 opi boards.

> +
> +&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>;

all these supply voltage regulators are common to h6 opi boards.

> +
> +               regulators {
> +                       reg_aldo1: aldo1 {
> +                               regulator-always-on;
> +                               regulator-min-microvolt = <3300000>;
> +                               regulator-max-microvolt = <3300000>;
> +                               regulator-name = "vcc-pl-led-ir";
> +                       };

same like other h6 boards.

> +
> +                       reg_aldo2: aldo2 {
> +                               regulator-min-microvolt = <3300000>;
> +                               regulator-max-microvolt = <3300000>;
> +                               regulator-name = "vcc33-audio-tv-ephy-mac";
> +                       };

rest of h6 opi boards used it for vcc-ac200, we may append ac200 and
make it common since the voltage is same.

> +
> +                       /* 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";
> +                       };

same like above regulator.

> +
> +                       reg_bldo1: bldo1 {
> +                               regulator-always-on;
> +                               regulator-min-microvolt = <1800000>;
> +                               regulator-max-microvolt = <1800000>;
> +                               regulator-name = "vcc18-dram-bias-pll";

same like other h6 boards.

> +                       };
> +
> +                       reg_bldo2: bldo2 {
> +                               regulator-always-on;
> +                               regulator-min-microvolt = <1800000>;
> +                               regulator-max-microvolt = <1800000>;
> +                               regulator-name = "vcc-efuse-pcie-hdmi-pc";
> +                       };

same like other h6 boards.

> +
> +                       bldo3 {
> +                               /* unused */
> +                       };

This is used in other h6 opi boards so we may attach status or
re-enable it on board dts file.

> +
> +                       bldo4 {
> +                               /* unused */
> +                       };

same like other h6 boards.

> +
> +                       reg_cldo1: cldo1 {
> +                               regulator-always-on;
> +                               regulator-min-microvolt = <3300000>;
> +                               regulator-max-microvolt = <3300000>;
> +                               regulator-name = "vcc33-io-pd-emmc-sd-usb-uart-2";
> +                       };

same like other h6 boards.

> +
> +                       cldo2 {
> +                               /* unused */
> +                       };
> +
> +                       cldo3 {
> +                               /* unused */
> +                       };

These two used for wifi, so we may define on board dts or attach
status property.

> +
> +                       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 */
> +                       };

all above regulators are common to h6 boards.

> +               };
> +       };
> +};
> +
> +&uart0 {
> +       pinctrl-names = "default";
> +       pinctrl-0 = <&uart0_ph_pins>;
> +       status = "okay";
> +};
> +
> +&usb2otg {
> +       /*
> +        * Beware that this board will not automatically disconnect
> +        * VBUS from DCIN, when self-powered and used as a peripheral.
> +        */
> +       dr_mode = "otg";
> +       status = "okay";
> +};

above nodes uart0, usb2otg are common to h6 opi boards.

> +
> +&usb2phy {
> +       usb0_id_det-gpios = <&pio 2 15 GPIO_ACTIVE_HIGH>; /* PC15 */
> +       usb0_vbus-supply = <&reg_vcc5v>;
> +       usb3_vbus-supply = <&reg_vcc5v>;
> +       status = "okay";
> +};
> --

id detect pin can be differ, so we may move this on board specific dts.

Note: the emac node is also common between h6 opi boards.

[1] https://lkml.org/lkml/2019/4/5/857




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