Re: [PATCH 2/4] dt-bindings: net: dsa: mediatek,mt7530: update examples

From: Krzysztof Kozlowski
Date: Tue Aug 02 2022 - 04:43:32 EST

On 30/07/2022 16:26, Arınç ÜNAL wrote:
> Update the examples on the binding.
>
> - Add examples which include a wide variation of configurations.
> - Make example comments YAML comment instead of DT binding comment.
> - Define examples from platform to make the bindings clearer.
> - Add interrupt controller to the examples. Include header file for
> interrupt.
> - Change reset line for MT7621 examples.
> - Pretty formatting for the examples.
> - Change switch reg to 0.
> - Change port labels to fit the example, change port 4 label to wan.
> - Change ethernet-ports to ports.
>
> Signed-off-by: Arınç ÜNAL <arinc.unal@xxxxxxxxxx>
> ---
> .../bindings/net/dsa/mediatek,mt7530.yaml | 661 +++++++++++++-----
> 1 file changed, 500 insertions(+), 161 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/net/dsa/mediatek,mt7530.yaml b/Documentation/devicetree/bindings/net/dsa/mediatek,mt7530.yaml
> index 541984a7d2d4..479e292cb2af 100644
> --- a/Documentation/devicetree/bindings/net/dsa/mediatek,mt7530.yaml
> +++ b/Documentation/devicetree/bindings/net/dsa/mediatek,mt7530.yaml
> @@ -186,144 +186,374 @@ allOf:
> unevaluatedProperties: false
>
> examples:
> + # Example 1: Standalone MT7530
> - |
> #include <dt-bindings/gpio/gpio.h>
> - mdio {
> - #address-cells = <1>;
> - #size-cells = <0>;
> - switch@0 {
> - compatible = "mediatek,mt7530";
> - reg = <0>;
> -
> - core-supply = <&mt6323_vpa_reg>;
> - io-supply = <&mt6323_vemc3v3_reg>;
> - reset-gpios = <&pio 33 GPIO_ACTIVE_HIGH>;
> -
> - ethernet-ports {
> +
> + platform {
> + ethernet {
> + mdio {
> #address-cells = <1>;
> #size-cells = <0>;
> - port@0 {
> +
> + switch@0 {
> + compatible = "mediatek,mt7530";
> reg = <0>;
> - label = "lan0";
> - };
>
> - port@1 {
> - reg = <1>;
> - label = "lan1";
> - };
> + reset-gpios = <&pio 33 0>;
>
> - port@2 {
> - reg = <2>;
> - label = "lan2";
> - };
> + core-supply = <&mt6323_vpa_reg>;
> + io-supply = <&mt6323_vemc3v3_reg>;
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
>
> - port@3 {
> - reg = <3>;
> - label = "lan3";
> + port@0 {
> + reg = <0>;
> + label = "lan1";
> + };
> +
> + port@1 {
> + reg = <1>;
> + label = "lan2";
> + };
> +
> + port@2 {
> + reg = <2>;
> + label = "lan3";
> + };
> +
> + port@3 {
> + reg = <3>;
> + label = "lan4";
> + };
> +
> + port@4 {
> + reg = <4>;
> + label = "wan";
> + };
> +
> + port@6 {
> + reg = <6>;
> + label = "cpu";
> + ethernet = <&gmac0>;
> + phy-mode = "rgmii";
> +
> + fixed-link {
> + speed = <1000>;
> + full-duplex;
> + pause;
> + };
> + };
> + };
> };
> + };
> + };
> + };
>
> - port@4 {
> - reg = <4>;
> - label = "wan";
> + # Example 2: MT7530 in MT7623AI SoC
> + - |
> + #include <dt-bindings/reset/mt2701-resets.h>
> +
> + platform {
> + ethernet {
> + mdio {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + switch@0 {
> + compatible = "mediatek,mt7530";
> + reg = <0>;
> +
> + mediatek,mcm;
> + resets = <&ethsys MT2701_ETHSYS_MCM_RST>;
> + reset-names = "mcm";
> +
> + core-supply = <&mt6323_vpa_reg>;
> + io-supply = <&mt6323_vemc3v3_reg>;
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
> + label = "lan1";
> + };
> +
> + port@1 {
> + reg = <1>;
> + label = "lan2";
> + };
> +
> + port@2 {
> + reg = <2>;
> + label = "lan3";
> + };
> +
> + port@3 {
> + reg = <3>;
> + label = "lan4";
> + };
> +
> + port@4 {
> + reg = <4>;
> + label = "wan";
> + };
> +
> + port@6 {
> + reg = <6>;
> + label = "cpu";
> + ethernet = <&gmac0>;
> + phy-mode = "trgmii";
> +
> + fixed-link {
> + speed = <1000>;
> + full-duplex;
> + pause;
> + };
> + };
> + };
> };
> + };
> + };
> + };
> +
> + # Example 3: Standalone MT7531
> + - |
> + #include <dt-bindings/gpio/gpio.h>
> + #include <dt-bindings/interrupt-controller/irq.h>
> +
> + platform {
> + ethernet {
> + mdio {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + switch@0 {
> + compatible = "mediatek,mt7531";
> + reg = <0>;
> +
> + reset-gpios = <&pio 54 0>;
> +
> + interrupt-controller;
> + #interrupt-cells = <1>;
> + interrupt-parent = <&pio>;
> + interrupts = <53 IRQ_TYPE_LEVEL_HIGH>;
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
> + label = "lan1";
> + };
> +
> + port@1 {
> + reg = <1>;
> + label = "lan2";
> + };
> +
> + port@2 {
> + reg = <2>;
> + label = "lan3";
> + };
> +
> + port@3 {
> + reg = <3>;
> + label = "lan4";
> + };
>
> - port@6 {
> - reg = <6>;
> - label = "cpu";
> - ethernet = <&gmac0>;
> - phy-mode = "trgmii";
> - fixed-link {
> - speed = <1000>;
> - full-duplex;
> + port@4 {
> + reg = <4>;
> + label = "wan";
> + };
> +
> + port@6 {
> + reg = <6>;
> + label = "cpu";
> + ethernet = <&gmac0>;
> + phy-mode = "2500base-x";
> +
> + fixed-link {
> + speed = <2500>;
> + full-duplex;
> + pause;
> + };
> + };
> };
> };
> };
> };
> };
>
> + # Example 4: MT7530 in MT7621AT, MT7621DAT and MT7621ST SoCs

This is the same as previous... actually several examples are similar.
Do not add examples for each compatible - this is not DTS. Add only one
example for significant differences.

Best regards,
Krzysztof