linux-kernel - Re: [PATCH 3/3] arm64: dts: rockchip: add dts for Ariaboard Photonicat RK3568

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Message-ID: <6030542f-070d-4d76-9a5a-fbfc6bd433e6@lunn.ch>
Date: Wed, 4 Sep 2024 19:25:55 +0200
From: Andrew Lunn <andrew@...n.ch>
To: Junhao Xie <bigfoot@...ssfun.cn>
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Heiko Stuebner <heiko@...ech.de>, Jonas Karlman <jonas@...boo.se>,
	Chukun Pan <amadeus@....edu.cn>, FUKAUMI Naoki <naoki@...xa.com>,
	Dragan Simic <dsimic@...jaro.org>,
	linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] arm64: dts: rockchip: add dts for Ariaboard
 Photonicat RK3568

> +&gmac1 {
> +	assigned-clocks = <&cru SCLK_GMAC1_RX_TX>, <&cru SCLK_GMAC1>;
> +	assigned-clock-parents = <&cru SCLK_GMAC1_RGMII_SPEED>;
> +	assigned-clock-rates = <0>, <125000000>;
> +	clock_in_out = "output";
> +	phy-handle = <&rgmii_phy1>;
> +	phy-mode = "rgmii";
> +	phy-supply = <&vcc_3v3>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&gmac1m1_miim
> +		     &gmac1m1_tx_bus2
> +		     &gmac1m1_rx_bus2
> +		     &gmac1m1_rgmii_clk
> +		     &gmac1m1_rgmii_bus>;
> +	snps,reset-gpio = <&gpio4 RK_PC0 GPIO_ACTIVE_LOW>;
> +	snps,reset-active-low;
> +	snps,reset-delays-us = <0 20000 100000>;
> +	tx_delay = <0x38>;
> +	rx_delay = <0x15>;
> +	status = "okay";

This has been discussed a few times. You should be using phy-mode
rgmii-id.

arch/arm/boot/dts/rockchip/rk3288-phycore-som.dtsi is i think also a
YT8521SC.

	Andrew