Re: [PATCH v3 07/13] arm64: dts: mediatek: mt7988: add switch node

From: AngeloGioacchino Del Regno
Date: Wed Jun 11 2025 - 05:39:53 EST


Il 08/06/25 23:14, Frank Wunderlich ha scritto:
From: Frank Wunderlich <frank-w@xxxxxxxxxxxxxxx>

Add mt7988 builtin mt753x switch nodes.

Signed-off-by: Daniel Golle <daniel@xxxxxxxxxxxxxx>
Signed-off-by: Frank Wunderlich <frank-w@xxxxxxxxxxxxxxx>
---
v2:
- drop labels and led-function too (have to be in board)
---
arch/arm64/boot/dts/mediatek/mt7988a.dtsi | 153 ++++++++++++++++++++++
1 file changed, 153 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt7988a.dtsi b/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
index ee1e01d720fe..0b35a32b9c89 100644
--- a/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
@@ -742,6 +742,159 @@ ethsys: clock-controller@15000000 {
#reset-cells = <1>;
};
+ switch: switch@15020000 {
+ compatible = "mediatek,mt7988-switch";
+ reg = <0 0x15020000 0 0x8000>;
+ interrupt-controller;
+ #interrupt-cells = <1>;
+ interrupt-parent = <&gic>;

You don't need interrupt-parent, it's already GIC here... :-)

+ interrupts = <GIC_SPI 209 IRQ_TYPE_LEVEL_HIGH>;
+ resets = <&ethwarp MT7988_ETHWARP_RST_SWITCH>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ gsw_port0: port@0 {
+ reg = <0>;

Keep it ordered alphabetically - phy-handle (h) before phy-mode (m)

+ phy-mode = "internal";
+ phy-handle = <&gsw_phy0>;
+ };
+
+ gsw_port1: port@1 {
+ reg = <1>;
+ phy-mode = "internal";
+ phy-handle = <&gsw_phy1>;
+ };
+
+ gsw_port2: port@2 {
+ reg = <2>;
+ phy-mode = "internal";
+ phy-handle = <&gsw_phy2>;
+ };
+
+ gsw_port3: port@3 {
+ reg = <3>;
+ phy-mode = "internal";
+ phy-handle = <&gsw_phy3>;
+ };
+
+ port@6 {
+ reg = <6>;
+ ethernet = <&gmac0>;
+ phy-mode = "internal";
+
+ fixed-link {
+ speed = <10000>;
+ full-duplex;
+ pause;
+ };
+ };
+ };
+
+ mdio {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ mediatek,pio = <&pio>;
+
+ gsw_phy0: ethernet-phy@0 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <0>;
+ interrupts = <0>;
+ phy-mode = "internal";
+ nvmem-cells = <&phy_calibration_p0>;
+ nvmem-cell-names = "phy-cal-data";

phy-mode (p) after nvmem-cell-names (n) please (here and everywhere else)

+
+ leds {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ gsw_phy0_led0: led@0 {
+ reg = <0>;
+ status = "disabled";
+ };
+
+ gsw_phy0_led1: led@1 {
+ reg = <1>;
+ status = "disabled";
+ };
+ };
+ };
+
+ gsw_phy1: ethernet-phy@1 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <1>;
+ interrupts = <1>;
+ phy-mode = "internal";
+ nvmem-cells = <&phy_calibration_p1>;
+ nvmem-cell-names = "phy-cal-data";
+
+ leds {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ gsw_phy1_led0: led@0 {
+ reg = <0>;
+ status = "disabled";
+ };
+
+ gsw_phy1_led1: led@1 {
+ reg = <1>;
+ status = "disabled";
+ };
+ };
+ };
+
+ gsw_phy2: ethernet-phy@2 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <2>;
+ interrupts = <2>;
+ phy-mode = "internal";
+ nvmem-cells = <&phy_calibration_p2>;
+ nvmem-cell-names = "phy-cal-data";
+
+ leds {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ gsw_phy2_led0: led@0 {
+ reg = <0>;
+ status = "disabled";
+ };
+
+ gsw_phy2_led1: led@1 {
+ reg = <1>;
+ status = "disabled";
+ };
+ };
+ };
+
+ gsw_phy3: ethernet-phy@3 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <3>;
+ interrupts = <3>;
+ phy-mode = "internal";
+ nvmem-cells = <&phy_calibration_p3>;
+ nvmem-cell-names = "phy-cal-data";
+
+ leds {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ gsw_phy3_led0: led@0 {
+ reg = <0>;
+ status = "disabled";
+ };
+
+ gsw_phy3_led1: led@1 {
+ reg = <1>;
+ status = "disabled";
+ };
+ };
+ };
+ };
+ };
+
ethwarp: clock-controller@15031000 {
compatible = "mediatek,mt7988-ethwarp";
reg = <0 0x15031000 0 0x1000>;