[RFC 5/5] arm64: dts: mediatek: mt7988: Add xsphy for ssusb0/pcie2

From: Frank Wunderlich
Date: Sun Apr 13 2025 - 05:04:46 EST


From: Frank Wunderlich <frank-w@xxxxxxxxxxxxxxx>

First usb and third pcie controller on mt7988 need a xs-phy to work
properly.

Signed-off-by: Frank Wunderlich <frank-w@xxxxxxxxxxxxxxx>
---
arch/arm64/boot/dts/mediatek/mt7988a.dtsi | 39 +++++++++++++++++++++++
1 file changed, 39 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt7988a.dtsi b/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
index 88b56a24efca..10525d977007 100644
--- a/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
@@ -334,6 +334,8 @@ usb@11190000 {
<&infracfg CLK_INFRA_133M_USB_HCK>,
<&infracfg CLK_INFRA_USB_XHCI>;
clock-names = "sys_ck", "ref_ck", "mcu_ck", "dma_ck", "xhci_ck";
+ phys = <&xphyu2port0 PHY_TYPE_USB2>,
+ <&xphyu3port0 PHY_TYPE_USB3>;
status = "disabled";
};

@@ -398,6 +400,9 @@ pcie2: pcie@11280000 {
pinctrl-0 = <&pcie2_pins>;
status = "disabled";

+ phys = <&xphyu3port0 PHY_TYPE_PCIE>;
+ phy-names = "pcie-phy";
+
#interrupt-cells = <1>;
interrupt-map-mask = <0 0 0 0x7>;
interrupt-map = <0 0 0 1 &pcie_intc2 0>,
@@ -548,6 +553,40 @@ tphyu3port0: usb-phy@11c50700 {
};
};

+ topmisc: power-controller@11d10000 {
+ compatible = "mediatek,mt7988-topmisc", "syscon",
+ "mediatek,mt7988-power-controller";
+ reg = <0 0x11d10000 0 0x10000>;
+ #clock-cells = <1>;
+ #power-domain-cells = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ xs-phy@11e10000 {
+ compatible = "mediatek,mt7988-xsphy",
+ "mediatek,xsphy";
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+ status = "disabled";
+
+ xphyu2port0: usb-phy@11e10000 {
+ reg = <0 0x11e10000 0 0x400>;
+ clocks = <&infracfg CLK_INFRA_USB_UTMI>;
+ clock-names = "ref";
+ #phy-cells = <1>;
+ };
+
+ xphyu3port0: usb-phy@11e13000 {
+ reg = <0 0x11e13400 0 0x500>;
+ clocks = <&infracfg CLK_INFRA_USB_PIPE>;
+ clock-names = "ref";
+ #phy-cells = <1>;
+ mediatek,syscon-type = <&topmisc 0x218 0>;
+ };
+ };
+
clock-controller@11f40000 {
compatible = "mediatek,mt7988-xfi-pll";
reg = <0 0x11f40000 0 0x1000>;
--
2.43.0