linux-kernel - Re: [PATCH 2/2] arm64: dts: rockchip: rk3328: Add Orange Pi R1 Plus

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Message-ID: <893717a9-14f0-1aa4-bf33-e5630cb0e769@linaro.org>
Date:   Tue, 29 Nov 2022 08:53:49 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Chukun Pan <amadeus@....edu.cn>, Heiko Stuebner <heiko@...ech.de>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org
Subject: Re: [PATCH 2/2] arm64: dts: rockchip: rk3328: Add Orange Pi R1 Plus

On 29/11/2022 07:40, Chukun Pan wrote:
> Orange Pi R1 Plus is a Rockchip RK3328 based SBC by Xunlong.
> 
> This device is similar to the NanoPi R2S, and has a 16MB
> SPI NOR (mx25l12805d). The reset button is changed to
> directly reset the power supply, another detail is that
> both network ports have independent MAC addresses.
> 
> Signed-off-by: Chukun Pan <amadeus@....edu.cn>
> ---
>  arch/arm64/boot/dts/rockchip/Makefile         |   1 +
>  .../dts/rockchip/rk3328-orangepi-r1-plus.dts  | 373 ++++++++++++++++++
>  2 files changed, 374 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/rockchip/rk3328-orangepi-r1-plus.dts
> 
> diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile
> index 0a76a2ebb5f6..27e00f4f3c86 100644
> --- a/arch/arm64/boot/dts/rockchip/Makefile
> +++ b/arch/arm64/boot/dts/rockchip/Makefile
> @@ -15,6 +15,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3326-odroid-go3.dtb
>  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3328-a1.dtb
>  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3328-evb.dtb
>  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3328-nanopi-r2s.dtb
> +dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3328-orangepi-r1-plus.dtb
>  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3328-rock64.dtb
>  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3328-rock-pi-e.dtb
>  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3328-roc-cc.dtb
> diff --git a/arch/arm64/boot/dts/rockchip/rk3328-orangepi-r1-plus.dts b/arch/arm64/boot/dts/rockchip/rk3328-orangepi-r1-plus.dts
> new file mode 100644
> index 000000000000..daa4da0bd5e4
> --- /dev/null
> +++ b/arch/arm64/boot/dts/rockchip/rk3328-orangepi-r1-plus.dts
> @@ -0,0 +1,373 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Based on rk3328-nanopi-r2s.dts, which is:
> + *   Copyright (c) 2020 David Bauer <mail@...id-bauer.net>
> + */
> +
> +/dts-v1/;
> +
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/leds/common.h>
> +#include "rk3328.dtsi"
> +
> +/ {
> +	model = "Xunlong Orange Pi R1 Plus";
> +	compatible = "xunlong,orangepi-r1-plus", "rockchip,rk3328";
> +
> +	aliases {
> +		ethernet1 = &rtl8153;
> +		mmc0 = &sdmmc;
> +	};
> +
> +	chosen {
> +		stdout-path = "serial2:1500000n8";
> +	};
> +
> +	gmac_clk: gmac-clock {
> +		compatible = "fixed-clock";
> +		clock-frequency = <125000000>;
> +		clock-output-names = "gmac_clkin";
> +		#clock-cells = <0>;
> +	};
> +
> +	leds {
> +		compatible = "gpio-leds";
> +		pinctrl-0 = <&lan_led_pin>, <&sys_led_pin>, <&wan_led_pin>;
> +		pinctrl-names = "default";
> +
> +		led-0 {
> +			function = LED_FUNCTION_LAN;
> +			color = <LED_COLOR_ID_GREEN>;
> +			gpios = <&gpio2 RK_PB7 GPIO_ACTIVE_HIGH>;
> +		};
> +
> +		led-1 {
> +			function = LED_FUNCTION_STATUS;
> +			color = <LED_COLOR_ID_RED>;
> +			gpios = <&gpio3 RK_PC5 GPIO_ACTIVE_HIGH>;
> +			linux,default-trigger = "heartbeat";
> +		};
> +
> +		led-2 {
> +			function = LED_FUNCTION_WAN;
> +			color = <LED_COLOR_ID_GREEN>;
> +			gpios = <&gpio2 RK_PC2 GPIO_ACTIVE_HIGH>;
> +		};
> +	};
> +
> +	vcc_sd: sdmmc-regulator {
> +		compatible = "regulator-fixed";
> +		gpio = <&gpio0 RK_PD6 GPIO_ACTIVE_LOW>;
> +		pinctrl-0 = <&sdmmc0m1_pin>;
> +		pinctrl-names = "default";
> +		regulator-name = "vcc_sd";
> +		regulator-boot-on;
> +		vin-supply = <&vcc_io>;
> +	};
> +
> +	vcc_sys: vcc-sys {

Use consistent prefix/suffix, so -regulator.

> +		compatible = "regulator-fixed";
> +		regulator-name = "vcc_sys";
> +		regulator-always-on;
> +		regulator-boot-on;
> +		regulator-min-microvolt = <5000000>;
> +		regulator-max-microvolt = <5000000>;
> +	};
> +
> +	vdd_5v_lan: vdd-5v-lan {

Dutto

> +		compatible = "regulator-fixed";
> +		enable-active-high;
> +		gpio = <&gpio2 RK_PC6 GPIO_ACTIVE_HIGH>;
> +		pinctrl-0 = <&lan_vdd_pin>;
> +		pinctrl-names = "default";
> +		regulator-name = "vdd_5v_lan";
> +		regulator-always-on;
> +		regulator-boot-on;
> +		vin-supply = <&vcc_sys>;
> +	};
> +};
> +


Best regards,
Krzysztof