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

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Message-ID: <a39de56d-07d3-4554-8c37-c28b1654f717@classfun.cn>
Date: Thu, 5 Sep 2024 13:47:42 +0800
From: Junhao Xie <bigfoot@...ssfun.cn>
To: Andrew Lunn <andrew@...n.ch>
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

On 2024/9/5 01:25, Andrew Lunn wrote:
>> +&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

Thanks, I changed phy-mode to rgmii-id and it seems to work fine.

Best regards,
Junhao