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Message-ID: <d0eafc59-6718-f904-132a-1a6dbd083878@gmail.com>
Date:   Mon, 26 Dec 2022 13:46:28 +0100
From:   Johan Jonker <jbx6244@...il.com>
To:     Anand Moon <anand@...eble.ai>, Heiko Stuebner <heiko@...ech.de>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCHv2 linux-next 4/4] ARM: dts: rockchip: rv1126: Enable
 Ethernet for Neu2-IO



On 12/26/22 07:36, Anand Moon wrote:
> Rockchip RV1126 has GMAC 10/100/1000M ethernet controller.
> Enable ethernet node on Neu2-IO board.
> 
> Signed-off-by: Anand Moon <anand@...eble.ai>
> ---
> drop SoB of Jagan Teki
> ---
>  arch/arm/boot/dts/rv1126-edgeble-neu2-io.dts | 37 ++++++++++++++++++++
>  1 file changed, 37 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/rv1126-edgeble-neu2-io.dts b/arch/arm/boot/dts/rv1126-edgeble-neu2-io.dts
> index dded0a12f0cd..bd592026eae6 100644
> --- a/arch/arm/boot/dts/rv1126-edgeble-neu2-io.dts
> +++ b/arch/arm/boot/dts/rv1126-edgeble-neu2-io.dts
> @@ -22,6 +22,43 @@ chosen {
>  	};
>  };
>  
> +&gmac {
> +	clock_in_out = "input";
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&rgmiim1_pins &clk_out_ethernetm1_pins>;
> +	phy-mode = "rgmii";
> +	phy-handle = <&phy>;

> +	assigned-clocks = <&cru CLK_GMAC_SRC>, <&cru CLK_GMAC_TX_RX>,
> +			<&cru CLK_GMAC_ETHERNET_OUT>;

align

> +	assigned-clock-parents = <&cru CLK_GMAC_SRC_M1>, <&cru RGMII_MODE_CLK>;
> +	assigned-clock-rates = <125000000>, <0>, <25000000>;
> +	phy-supply = <&vcc_3v3>;
> +	tx_delay = <0x2a>;
> +	rx_delay = <0x1a>;
> +	status = "okay";
> +};
> +
> +&mdio {

> +	phy: phy@0 {

use ethernet-phy

no '#phy-cells' here

> +		compatible = "ethernet-phy-id001c.c916",
> +			       "ethernet-phy-ieee802.3-c22";

align

> +		reg = <0x0>;
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&eth_phy_rst>;
> +		reset-assert-us = <20000>;
> +		reset-deassert-us = <100000>;
> +		reset-gpios = <&gpio0 RK_PB6 GPIO_ACTIVE_LOW>;
> +	};
> +};
> +
> +&pinctrl {

> +	ethernet {

Maybe use a node name more in line with where it is used.

> +		eth_phy_rst: eth-phy-rst {
> +			rockchip,pins = <0 RK_PB6 RK_FUNC_GPIO &pcfg_pull_down>;
> +		};
> +	};
> +};
> +
>  &sdmmc {
>  	bus-width = <4>;
>  	cap-mmc-highspeed;

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