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Message-ID: <21964539.EfDdHjke4D@jernej-laptop>
Date: Thu, 03 Aug 2023 23:05:51 +0200
From: Jernej Škrabec <jernej.skrabec@...il.com>
To: Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Chen-Yu Tsai <wens@...e.org>,
Samuel Holland <samuel@...lland.org>,
Andre Przywara <andre.przywara@....com>
Cc: Icenowy Zheng <uwu@...nowy.me>, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] arm64: dts: allwinner: h616: Split Orange Pi Zero 2 DT
Dne ponedeljek, 31. julij 2023 ob 03:17:23 CEST je Andre Przywara napisal(a):
> The Orange Pi Zero 2 got a successor (Zero 3), which shares quite some
> DT nodes with the Zero 2, but comes with a different PMIC.
>
> Move the common parts (except the PMIC) into a new shared file, and
> include that from the existing board .dts file.
>
> No functional change, the generated DTB is the same, except some phandle
> numbering differences.
>
> Signed-off-by: Andre Przywara <andre.przywara@....com>
> ---
> .../allwinner/sun50i-h616-orangepi-zero2.dts | 119 +---------------
> .../allwinner/sun50i-h616-orangepi-zerox.dtsi | 131 ++++++++++++++++++
> 2 files changed, 132 insertions(+), 118 deletions(-)
> create mode 100644
> arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zerox.dtsi
>
> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero2.dts
> b/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero2.dts index
> cb8600d0ea1ef..c786b170fb9a8 100644
> --- a/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero2.dts
> +++ b/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero2.dts
> @@ -5,95 +5,19 @@
>
> /dts-v1/;
>
> -#include "sun50i-h616.dtsi"
> -
> -#include <dt-bindings/gpio/gpio.h>
> -#include <dt-bindings/interrupt-controller/arm-gic.h>
> -#include <dt-bindings/leds/common.h>
> +#include "sun50i-h616-orangepi-zerox.dtsi"
>
> / {
> model = "OrangePi Zero2";
> compatible = "xunlong,orangepi-zero2", "allwinner,sun50i-h616";
> -
> - aliases {
> - ethernet0 = &emac0;
> - serial0 = &uart0;
> - };
> -
> - chosen {
> - stdout-path = "serial0:115200n8";
> - };
> -
> - leds {
> - compatible = "gpio-leds";
> -
> - led-0 {
> - function = LED_FUNCTION_POWER;
> - color = <LED_COLOR_ID_RED>;
> - gpios = <&pio 2 12 GPIO_ACTIVE_HIGH>; /*
PC12 */
> - default-state = "on";
> - };
> -
> - led-1 {
> - function = LED_FUNCTION_STATUS;
> - color = <LED_COLOR_ID_GREEN>;
> - gpios = <&pio 2 13 GPIO_ACTIVE_HIGH>; /*
PC13 */
> - };
> - };
> -
> - reg_vcc5v: vcc5v {
> - /* board wide 5V supply directly from the USB-C socket
*/
> - compatible = "regulator-fixed";
> - regulator-name = "vcc-5v";
> - regulator-min-microvolt = <5000000>;
> - regulator-max-microvolt = <5000000>;
> - regulator-always-on;
> - };
> -
> - reg_usb1_vbus: regulator-usb1-vbus {
> - compatible = "regulator-fixed";
> - regulator-name = "usb1-vbus";
> - regulator-min-microvolt = <5000000>;
> - regulator-max-microvolt = <5000000>;
> - vin-supply = <®_vcc5v>;
> - enable-active-high;
> - gpio = <&pio 2 16 GPIO_ACTIVE_HIGH>; /* PC16 */
> - };
> };
>
> -&ehci1 {
> - status = "okay";
> -};
> -
> -/* USB 2 & 3 are on headers only. */
> -
> &emac0 {
> - pinctrl-names = "default";
> - pinctrl-0 = <&ext_rgmii_pins>;
> - phy-mode = "rgmii";
> - phy-handle = <&ext_rgmii_phy>;
> phy-supply = <®_dcdce>;
> - allwinner,rx-delay-ps = <3100>;
> - allwinner,tx-delay-ps = <700>;
> - status = "okay";
> -};
> -
> -&mdio0 {
> - ext_rgmii_phy: ethernet-phy@1 {
> - compatible = "ethernet-phy-ieee802.3-c22";
> - reg = <1>;
> - };
> };
>
> &mmc0 {
> vmmc-supply = <®_dcdce>;
> - cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; /* PF6 */
> - bus-width = <4>;
> - status = "okay";
> -};
> -
> -&ohci1 {
> - status = "okay";
> };
>
> &r_rsb {
> @@ -211,44 +135,3 @@ &pio {
> vcc-ph-supply = <®_aldo1>;
> vcc-pi-supply = <®_aldo1>;
> };
> -
> -&spi0 {
> - status = "okay";
> - pinctrl-names = "default";
> - pinctrl-0 = <&spi0_pins>, <&spi0_cs0_pin>;
> -
> - flash@0 {
> - #address-cells = <1>;
> - #size-cells = <1>;
> - compatible = "jedec,spi-nor";
> - reg = <0>;
> - spi-max-frequency = <40000000>;
> - };
> -};
> -
> -&uart0 {
> - pinctrl-names = "default";
> - pinctrl-0 = <&uart0_ph_pins>;
> - status = "okay";
> -};
> -
> -&usbotg {
> - /*
> - * PHY0 pins are connected to a USB-C socket, but a role switch
> - * is not implemented: both CC pins are pulled to GND.
> - * The VBUS pins power the device, so a fixed peripheral mode
> - * is the best choice.
> - * The board can be powered via GPIOs, in this case port0 *can*
> - * act as a host (with a cable/adapter ignoring CC), as VBUS is
> - * then provided by the GPIOs. Any user of this setup would
> - * need to adjust the DT accordingly: dr_mode set to "host",
> - * enabling OHCI0 and EHCI0.
> - */
> - dr_mode = "peripheral";
> - status = "okay";
> -};
> -
> -&usbphy {
> - usb1_vbus-supply = <®_usb1_vbus>;
> - status = "okay";
> -};
> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zerox.dtsi
> b/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zerox.dtsi new file
If we go this route, choose some name without X in it. I guess "zero" by
itself is enough since there is no H616 board with that name.
What do you think?
Best regards,
Jernej
> mode 100644
> index 0000000000000..56c7e1d87bd95
> --- /dev/null
> +++ b/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zerox.dtsi
> @@ -0,0 +1,131 @@
> +// SPDX-License-Identifier: (GPL-2.0+ or MIT)
> +/*
> + * Copyright (C) 2020 Arm Ltd.
> + */
> +
> +#include "sun50i-h616.dtsi"
> +
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/interrupt-controller/arm-gic.h>
> +#include <dt-bindings/leds/common.h>
> +
> +/ {
> + aliases {
> + ethernet0 = &emac0;
> + serial0 = &uart0;
> + };
> +
> + chosen {
> + stdout-path = "serial0:115200n8";
> + };
> +
> + leds {
> + compatible = "gpio-leds";
> +
> + led-0 {
> + function = LED_FUNCTION_POWER;
> + color = <LED_COLOR_ID_RED>;
> + gpios = <&pio 2 12 GPIO_ACTIVE_HIGH>; /* PC12
*/
> + default-state = "on";
> + };
> +
> + led-1 {
> + function = LED_FUNCTION_STATUS;
> + color = <LED_COLOR_ID_GREEN>;
> + gpios = <&pio 2 13 GPIO_ACTIVE_HIGH>; /* PC13
*/
> + };
> + };
> +
> + reg_vcc5v: vcc5v {
> + /* board wide 5V supply directly from the USB-C socket
*/
> + compatible = "regulator-fixed";
> + regulator-name = "vcc-5v";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + regulator-always-on;
> + };
> +
> + reg_usb1_vbus: regulator-usb1-vbus {
> + compatible = "regulator-fixed";
> + regulator-name = "usb1-vbus";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + vin-supply = <®_vcc5v>;
> + enable-active-high;
> + gpio = <&pio 2 16 GPIO_ACTIVE_HIGH>; /* PC16 */
> + };
> +};
> +
> +&ehci1 {
> + status = "okay";
> +};
> +
> +/* USB 2 & 3 are on headers only. */
> +
> +&emac0 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&ext_rgmii_pins>;
> + phy-mode = "rgmii";
> + phy-handle = <&ext_rgmii_phy>;
> + allwinner,rx-delay-ps = <3100>;
> + allwinner,tx-delay-ps = <700>;
> + status = "okay";
> +};
> +
> +&mdio0 {
> + ext_rgmii_phy: ethernet-phy@1 {
> + compatible = "ethernet-phy-ieee802.3-c22";
> + reg = <1>;
> + };
> +};
> +
> +&mmc0 {
> + cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; /* PF6 */
> + bus-width = <4>;
> + status = "okay";
> +};
> +
> +&ohci1 {
> + status = "okay";
> +};
> +
> +&spi0 {
> + status = "okay";
> + pinctrl-names = "default";
> + pinctrl-0 = <&spi0_pins>, <&spi0_cs0_pin>;
> +
> + flash@0 {
> + #address-cells = <1>;
> + #size-cells = <1>;
> + compatible = "jedec,spi-nor";
> + reg = <0>;
> + spi-max-frequency = <40000000>;
> + };
> +};
> +
> +&uart0 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&uart0_ph_pins>;
> + status = "okay";
> +};
> +
> +&usbotg {
> + /*
> + * PHY0 pins are connected to a USB-C socket, but a role switch
> + * is not implemented: both CC pins are pulled to GND.
> + * The VBUS pins power the device, so a fixed peripheral mode
> + * is the best choice.
> + * The board can be powered via GPIOs, in this case port0 *can*
> + * act as a host (with a cable/adapter ignoring CC), as VBUS is
> + * then provided by the GPIOs. Any user of this setup would
> + * need to adjust the DT accordingly: dr_mode set to "host",
> + * enabling OHCI0 and EHCI0.
> + */
> + dr_mode = "peripheral";
> + status = "okay";
> +};
> +
> +&usbphy {
> + usb1_vbus-supply = <®_usb1_vbus>;
> + status = "okay";
> +};
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