linux-kernel - Re: [PATCH 4/5] arm64: dts: rockchip: use generic Ethernet PHY reset bindings for Lunzn Fastrhino R68S

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Date: Fri, 28 Jun 2024 16:13:30 +0200
From: Heiko Stübner <heiko@...ech.de>
To: Chukun Pan <amadeus@....edu.cn>
Cc: Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Rob Herring <robh@...nel.org>,
 linux-arm-kernel@...ts.infradead.org, linux-rockchip@...ts.infradead.org,
 linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
 Chukun Pan <amadeus@....edu.cn>
Subject:
 Re: [PATCH 4/5] arm64: dts: rockchip: use generic Ethernet PHY reset bindings
 for Lunzn Fastrhino R68S

Am Freitag, 28. Juni 2024, 16:01:03 CEST schrieb Chukun Pan:
> Replace the deprecated snps,reset-xxx bindings to the generic Ethernet PHY
> reset GPIO bindings. Also fixed the PHY address and reset GPIOs (does not
> match the corresponding pinctrl). Since we use rgmii-id as the phy mode,
> remove the useless tx_delay and rx_delay.

Please split this commit into multiple ones.

When need to "list" changes in your commit message, it is often a good
indicator for needing to split a change.


> Fixes: b9f8ca655d80 ("arm64: dts: rockchip: Add Lunzn Fastrhino R68S")
> Signed-off-by: Chukun Pan <amadeus@....edu.cn>
> ---
>  .../dts/rockchip/rk3568-fastrhino-r68s.dts    | 26 +++++++------------
>  1 file changed, 10 insertions(+), 16 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/rockchip/rk3568-fastrhino-r68s.dts b/arch/arm64/boot/dts/rockchip/rk3568-fastrhino-r68s.dts
> index a3339186e89c..d27eb37b5b35 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3568-fastrhino-r68s.dts
> +++ b/arch/arm64/boot/dts/rockchip/rk3568-fastrhino-r68s.dts
> @@ -39,12 +39,6 @@ &gmac0_tx_bus2
>  		     &gmac0_rx_bus2
>  		     &gmac0_rgmii_clk
>  		     &gmac0_rgmii_bus>;
> -	snps,reset-gpio = <&gpio0 RK_PB0 GPIO_ACTIVE_LOW>;
> -	snps,reset-active-low;
> -	/* Reset time is 15ms, 50ms for rtl8211f */
> -	snps,reset-delays-us = <0 15000 50000>;
> -	tx_delay = <0x3c>;
> -	rx_delay = <0x2f>;
>  	status = "okay";
>  };
>  
> @@ -61,30 +55,30 @@ &gmac1m1_tx_bus2
>  		     &gmac1m1_rx_bus2
>  		     &gmac1m1_rgmii_clk
>  		     &gmac1m1_rgmii_bus>;
> -	snps,reset-gpio = <&gpio0 RK_PB1 GPIO_ACTIVE_LOW>;
> -	snps,reset-active-low;
> -	/* Reset time is 15ms, 50ms for rtl8211f */
> -	snps,reset-delays-us = <0 15000 50000>;
> -	tx_delay = <0x4f>;
> -	rx_delay = <0x26>;
>  	status = "okay";
>  };
>  
>  &mdio0 {
> -	rgmii_phy0: ethernet-phy@0 {
> +	rgmii_phy0: ethernet-phy@1 {
>  		compatible = "ethernet-phy-ieee802.3-c22";
> -		reg = <0>;
> +		reg = <0x1>;
>  		pinctrl-0 = <&eth_phy0_reset_pin>;
>  		pinctrl-names = "default";
> +		reset-assert-us = <20000>;
> +		reset-deassert-us = <100000>;
> +		reset-gpios = <&gpio1 RK_PB0 GPIO_ACTIVE_LOW>;
>  	};
>  };
>  
>  &mdio1 {
> -	rgmii_phy1: ethernet-phy@0 {
> +	rgmii_phy1: ethernet-phy@1 {
>  		compatible = "ethernet-phy-ieee802.3-c22";
> -		reg = <0>;
> +		reg = <0x1>;
>  		pinctrl-0 = <&eth_phy1_reset_pin>;
>  		pinctrl-names = "default";
> +		reset-assert-us = <20000>;
> +		reset-deassert-us = <100000>;
> +		reset-gpios = <&gpio1 RK_PB1 GPIO_ACTIVE_LOW>;
>  	};
>  };
>  
>