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Message-Id: <20251016-openwrt-one-network-v1-7-de259719b6f2@collabora.com>
Date: Thu, 16 Oct 2025 12:08:43 +0200
From: Sjoerd Simons <sjoerd@...labora.com>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Matthias Brugger <matthias.bgg@...il.com>,
AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
Ryder Lee <ryder.lee@...iatek.com>,
Jianjun Wang <jianjun.wang@...iatek.com>,
Bjorn Helgaas <bhelgaas@...gle.com>,
Lorenzo Pieralisi <lpieralisi@...nel.org>,
Krzysztof Wilczyński <kwilczynski@...nel.org>,
Manivannan Sadhasivam <mani@...nel.org>,
Chunfeng Yun <chunfeng.yun@...iatek.com>, Vinod Koul <vkoul@...nel.org>,
Kishon Vijay Abraham I <kishon@...nel.org>, Lee Jones <lee@...nel.org>,
Andrew Lunn <andrew+netdev@...n.ch>,
"David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
Lorenzo Bianconi <lorenzo@...nel.org>, Felix Fietkau <nbd@....name>
Cc: kernel@...labora.com, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-mediatek@...ts.infradead.org, linux-pci@...r.kernel.org,
linux-phy@...ts.infradead.org, netdev@...r.kernel.org,
Daniel Golle <daniel@...rotopia.org>, Bryan Hinton <bryan@...anhinton.com>,
Sjoerd Simons <sjoerd@...labora.com>
Subject: [PATCH 07/15] arm64: dts: mediatek: mt7981b: Add PCIe and USB
support
Add device tree nodes for PCIe controller and USB3 XHCI host
controller on MT7981B SoC. Both controllers share the USB3 PHY
which can be configured for either USB3 or PCIe operation.
The USB3 XHCI controller supports USB 2.0 and USB 3.0 SuperSpeed
operation. The PCIe controller is compatible with PCIe Gen2
specifications.
Also add the topmisc syscon node required for USB/PCIe PHY
multiplexing.
Signed-off-by: Sjoerd Simons <sjoerd@...labora.com>
---
arch/arm64/boot/dts/mediatek/mt7981b.dtsi | 82 +++++++++++++++++++++++++++++++
1 file changed, 82 insertions(+)
diff --git a/arch/arm64/boot/dts/mediatek/mt7981b.dtsi b/arch/arm64/boot/dts/mediatek/mt7981b.dtsi
index b477375078ccd..13950fe6e8766 100644
--- a/arch/arm64/boot/dts/mediatek/mt7981b.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7981b.dtsi
@@ -2,6 +2,7 @@
#include <dt-bindings/clock/mediatek,mt7981-clk.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/phy/phy.h>
#include <dt-bindings/reset/mt7986-resets.h>
/ {
@@ -221,6 +222,57 @@ auxadc: adc@...0d000 {
status = "disabled";
};
+ xhci: usb@...00000 {
+ compatible = "mediatek,mt7986-xhci", "mediatek,mtk-xhci";
+ reg = <0 0x11200000 0 0x2e00>,
+ <0 0x11203e00 0 0x0100>;
+ reg-names = "mac", "ippc";
+ clocks = <&infracfg CLK_INFRA_IUSB_SYS_CK>,
+ <&infracfg CLK_INFRA_IUSB_CK>,
+ <&infracfg CLK_INFRA_IUSB_133_CK>,
+ <&infracfg CLK_INFRA_IUSB_66M_CK>,
+ <&topckgen CLK_TOP_U2U3_XHCI_SEL>;
+ clock-names = "sys_ck", "ref_ck", "mcu_ck", "dma_ck", "xhci_ck";
+ interrupts = <GIC_SPI 173 IRQ_TYPE_LEVEL_HIGH>;
+ phys = <&u2port0 PHY_TYPE_USB2>,
+ <&u3port0 PHY_TYPE_USB3>;
+ status = "disabled";
+ };
+
+ pcie: pcie@...80000 {
+ compatible = "mediatek,mt7981-pcie",
+ "mediatek,mt8192-pcie";
+ reg = <0 0x11280000 0 0x4000>;
+ reg-names = "pcie-mac";
+ ranges = <0x82000000 0 0x20000000
+ 0x0 0x20000000 0 0x10000000>;
+ bus-range = <0x00 0xff>;
+ clocks = <&infracfg CLK_INFRA_IPCIE_CK>,
+ <&infracfg CLK_INFRA_IPCIE_PIPE_CK>,
+ <&infracfg CLK_INFRA_IPCIER_CK>,
+ <&infracfg CLK_INFRA_IPCIEB_CK>;
+ clock-names = "pl_250m", "tl_26m", "peri_26m", "top_133m";
+ device_type = "pci";
+ phys = <&u3port0 PHY_TYPE_PCIE>;
+ phy-names = "pcie-phy";
+ interrupts = <GIC_SPI 168 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-map-mask = <0 0 0 7>;
+ interrupt-map = <0 0 0 1 &pcie_intc 0>,
+ <0 0 0 2 &pcie_intc 1>,
+ <0 0 0 3 &pcie_intc 2>,
+ <0 0 0 4 &pcie_intc 3>;
+ #address-cells = <3>;
+ #interrupt-cells = <1>;
+ #size-cells = <2>;
+ status = "disabled";
+
+ pcie_intc: interrupt-controller {
+ interrupt-controller;
+ #address-cells = <0>;
+ #interrupt-cells = <1>;
+ };
+ };
+
pio: pinctrl@...00000 {
compatible = "mediatek,mt7981-pinctrl";
reg = <0 0x11d00000 0 0x1000>,
@@ -243,6 +295,36 @@ pio: pinctrl@...00000 {
#interrupt-cells = <2>;
};
+ topmisc: topmisc@...10000 {
+ compatible = "mediatek,mt7981-topmisc", "syscon";
+ reg = <0 0x11d10000 0 0x10000>;
+ #clock-cells = <1>;
+ };
+
+ usb_phy: t-phy@...10000 {
+ compatible = "mediatek,mt7981-tphy",
+ "mediatek,generic-tphy-v2";
+ ranges = <0 0 0x11e10000 0x1700>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ status = "disabled";
+
+ u2port0: usb-phy@0 {
+ reg = <0x0 0x700>;
+ clocks = <&topckgen CLK_TOP_USB_FRMCNT_SEL>;
+ clock-names = "ref";
+ #phy-cells = <1>;
+ };
+
+ u3port0: usb-phy@700 {
+ reg = <0x700 0x900>;
+ clocks = <&topckgen CLK_TOP_USB3_PHY_SEL>;
+ clock-names = "ref";
+ #phy-cells = <1>;
+ mediatek,syscon-type = <&topmisc 0x218 0>;
+ };
+ };
+
efuse: efuse@...20000 {
compatible = "mediatek,mt7981-efuse", "mediatek,efuse";
reg = <0 0x11f20000 0 0x1000>;
--
2.51.0
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