Re: [PATCH net-next v8 15/16] ARM: dts: r9a06g032-rzn1d400-db: add switch description

[Vladimir Oltean]

On Mon, Jun 20, 2022 at 01:08:45PM +0200, Clément Léger wrote:
> Add description for the switch, GMAC2 and MII converter. With these
> definitions, the switch port 0 and 1 (MII port 5 and 4) are working on
> RZ/N1D-DB board.
> 
> Signed-off-by: Clément Léger <clement.leger@xxxxxxxxxxx>
> ---

Reviewed-by: Vladimir Oltean <olteanv@xxxxxxxxx>

Just minor comments below:

>  arch/arm/boot/dts/r9a06g032-rzn1d400-db.dts | 117 ++++++++++++++++++++
>  1 file changed, 117 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/r9a06g032-rzn1d400-db.dts b/arch/arm/boot/dts/r9a06g032-rzn1d400-db.dts
> index 3f8f3ce87e12..36b898d9f115 100644
> --- a/arch/arm/boot/dts/r9a06g032-rzn1d400-db.dts
> +++ b/arch/arm/boot/dts/r9a06g032-rzn1d400-db.dts
> @@ -8,6 +8,8 @@
>  
>  /dts-v1/;
>  
> +#include <dt-bindings/pinctrl/rzn1-pinctrl.h>
> +#include <dt-bindings/net/pcs-rzn1-miic.h>
>  #include "r9a06g032.dtsi"
>  
>  / {
> @@ -31,3 +33,118 @@ &wdt0 {
>  	timeout-sec = <60>;
>  	status = "okay";
>  };
> +
> +&gmac2 {
> +	status = "okay";
> +	phy-mode = "gmii";
> +	fixed-link {
> +		speed = <1000>;
> +		full-duplex;
> +	};
> +};
> +
> +&switch {
> +	status = "okay";
> +	#address-cells = <1>;
> +	#size-cells = <0>;
> +
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pins_mdio1>, <&pins_eth3>, <&pins_eth4>;
> +
> +	dsa,member = <0 0>;

This doesn't really have any value for single-switch DSA trees, since
that is the implicit tree id/switch id, but it doesn't hurt, either.

> +
> +	mdio {
> +		clock-frequency = <2500000>;
> +
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +
> +		switch0phy4: ethernet-phy@4{

Space between ethernet-phy@4 and {.

> +			reg = <4>;
> +			micrel,led-mode = <1>;
> +		};
> +
> +		switch0phy5: ethernet-phy@5{

Same thing here.

> +			reg = <5>;
> +			micrel,led-mode = <1>;
> +		};
> +	};
> +};
> +
> +&switch_port0 {
> +	label = "lan0";
> +	phy-mode = "mii";
> +	phy-handle = <&switch0phy5>;
> +	status = "okay";
> +};
> +
> +&switch_port1 {
> +	label = "lan1";
> +	phy-mode = "mii";
> +	phy-handle = <&switch0phy4>;
> +	status = "okay";
> +};
> +
> +&switch_port4 {
> +	status = "okay";
> +};
> +
> +&eth_miic {
> +	status = "okay";
> +	renesas,miic-switch-portin = <MIIC_GMAC2_PORT>;
> +};
> +
> +&mii_conv4 {
> +	renesas,miic-input = <MIIC_SWITCH_PORTB>;
> +	status = "okay";
> +};
> +
> +&mii_conv5 {
> +	renesas,miic-input = <MIIC_SWITCH_PORTA>;
> +	status = "okay";
> +};
> +
> +&pinctrl{
> +	pins_mdio1: pins_mdio1 {
> +		pinmux = <
> +			RZN1_PINMUX(152, RZN1_FUNC_MDIO1_SWITCH)
> +			RZN1_PINMUX(153, RZN1_FUNC_MDIO1_SWITCH)
> +		>;
> +	};
> +	pins_eth3: pins_eth3 {
> +		pinmux = <
> +			RZN1_PINMUX(36, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)
> +			RZN1_PINMUX(37, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)
> +			RZN1_PINMUX(38, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)
> +			RZN1_PINMUX(39, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)
> +			RZN1_PINMUX(40, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)
> +			RZN1_PINMUX(41, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)
> +			RZN1_PINMUX(42, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)
> +			RZN1_PINMUX(43, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)
> +			RZN1_PINMUX(44, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)
> +			RZN1_PINMUX(45, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)
> +			RZN1_PINMUX(46, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)
> +			RZN1_PINMUX(47, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)
> +		>;
> +		drive-strength = <6>;
> +		bias-disable;
> +	};
> +	pins_eth4: pins_eth4 {
> +		pinmux = <
> +			RZN1_PINMUX(48, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)
> +			RZN1_PINMUX(49, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)
> +			RZN1_PINMUX(50, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)
> +			RZN1_PINMUX(51, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)
> +			RZN1_PINMUX(52, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)
> +			RZN1_PINMUX(53, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)
> +			RZN1_PINMUX(54, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)
> +			RZN1_PINMUX(55, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)
> +			RZN1_PINMUX(56, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)
> +			RZN1_PINMUX(57, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)
> +			RZN1_PINMUX(58, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)
> +			RZN1_PINMUX(59, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)
> +		>;
> +		drive-strength = <6>;
> +		bias-disable;
> +	};
> +};
> -- 
> 2.36.1
>