netdev - Re: [PATCH] ARM64: dts: meson-axg: add ethernet mac controller

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Date:   Fri, 17 Nov 2017 14:12:57 +0100
From:   Neil Armstrong <narmstrong@...libre.com>
To:     Yixun Lan <yixun.lan@...ogic.com>, devicetree@...r.kernel.org,
        Kevin Hilman <khilman@...libre.com>
Cc:     Jerome Brunet <jbrunet@...libre.com>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Carlo Caione <carlo@...one.org>,
        linux-amlogic@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org
Subject: Re: [PATCH] ARM64: dts: meson-axg: add ethernet mac controller

On 13/11/2017 09:01, Yixun Lan wrote:
> Add DT info for the stmmac ethernet MAC which found in
> the Amlogic's Meson-AXG SoC, also describe the ethernet
> pinctrl & clock information here.
> 
> This is tested in the S400 dev board which use a RTL8211F PHY,
> and the pins connect to the 'eth_rgmii_y_pins' group.
> 
> Signed-off-by: Yixun Lan <yixun.lan@...ogic.com>
> ---
>  arch/arm64/boot/dts/amlogic/meson-axg-s400.dts |  7 ++++
>  arch/arm64/boot/dts/amlogic/meson-axg.dtsi     | 53 ++++++++++++++++++++++++++
>  2 files changed, 60 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts b/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts
> index 9eb6aaee155d..7b39a9fe2b0f 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts
> +++ b/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts
> @@ -21,3 +21,10 @@
>  	status = "okay";
>  };
>  
> +&ethmac {
> +	status = "okay";
> +	phy-mode = "rgmii";
> +
> +	pinctrl-0 = <&eth_rgmii_y_pins>;
> +	pinctrl-names = "default";
> +};
> diff --git a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
> index 65945c6c8b65..57faaa9d8013 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
> +++ b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
> @@ -157,6 +157,19 @@
>  			#address-cells = <0>;
>  		};
>  
> +		ethmac: ethernet@...f0000 {
> +			compatible = "amlogic,meson-axg-dwmac", "amlogic,meson-gxbb-dwmac", "snps,dwmac";
> +			reg = <0x0 0xff3f0000 0x0 0x10000
> +				0x0 0xff634540 0x0 0x8>;
> +			interrupts = <GIC_SPI 8 IRQ_TYPE_EDGE_RISING>;
> +			interrupt-names = "macirq";
> +			status = "disabled";
> +			clocks = <&clkc CLKID_ETH>,
> +				 <&clkc CLKID_FCLK_DIV2>,
> +				 <&clkc CLKID_MPLL2>;
> +			clock-names = "stmmaceth", "clkin0", "clkin1";
> +		};
> +
>  		hiubus: hiubus@...3c000 {
>  			compatible = "simple-bus";
>  			reg = <0x0 0xff63c000 0x0 0x1c00>;
> @@ -203,6 +216,46 @@
>  					#gpio-cells = <2>;
>  					gpio-ranges = <&pinctrl_periphs 0 0 86>;
>  				};
> +
> +				eth_rgmii_x_pins: eth-x-rgmii {
> +					mux {
> +						groups = "eth_mdio_x",
> +						       "eth_mdc_x",
> +						       "eth_rgmii_rx_clk_x",
> +						       "eth_rx_dv_x",
> +						       "eth_rxd0_x",
> +						       "eth_rxd1_x",
> +						       "eth_rxd2_rgmii",
> +						       "eth_rxd3_rgmii",
> +						       "eth_rgmii_tx_clk",
> +						       "eth_txen_x",
> +						       "eth_txd0_x",
> +						       "eth_txd1_x",
> +						       "eth_txd2_rgmii",
> +						       "eth_txd3_rgmii";
> +						function = "eth";
> +					};
> +				};
> +
> +				eth_rgmii_y_pins: eth-y-rgmii {
> +					mux {
> +						groups = "eth_mdio_y",
> +						       "eth_mdc_y",
> +						       "eth_rgmii_rx_clk_y",
> +						       "eth_rx_dv_y",
> +						       "eth_rxd0_y",
> +						       "eth_rxd1_y",
> +						       "eth_rxd2_rgmii",
> +						       "eth_rxd3_rgmii",
> +						       "eth_rgmii_tx_clk",
> +						       "eth_txen_y",
> +						       "eth_txd0_y",
> +						       "eth_txd1_y",
> +						       "eth_txd2_rgmii",
> +						       "eth_txd3_rgmii";
> +						function = "eth";
> +					};
> +				};
>  			};
>  		};
>  
> 

Reviewed-by: Neil Armstrong <narmstrong@...libre.com>