This patch adds PCIe support for MT7986.
Signed-off-by: Jieyy Yang <jieyy.yang@xxxxxxxxxxxx>
Signed-off-by: Sam Shih <sam.shih@xxxxxxxxxxxx>
---
arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts | 17 +++++++
arch/arm64/boot/dts/mediatek/mt7986a.dtsi | 52 ++++++++++++++++++++
2 files changed, 69 insertions(+)
diff --git a/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts b/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts
index eb14e82d74b1..4a555df1eff4 100644
--- a/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts
+++ b/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts
@@ -25,7 +25,24 @@
};
};
+&pcie {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pcie_pins>;
+ status = "okay";
+};
+
+&pcie_phy {
+ status = "okay";
+};
+
&pio {
+ pcie_pins: pcie-pins {
+ mux {
+ function = "pcie";
+ groups = "pcie_clk", "pcie_wake", "pcie_pereset";
+ };
+ };
+
spi_flash_pins: spi-flash-pins {
mux {
function = "spi";
diff --git a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
index 069d3a9bdac9..7d77b5727528 100644
--- a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
@@ -7,6 +7,7 @@
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/clock/mt7986-clk.h>
+#include <dt-bindings/phy/phy.h>
/ {
interrupt-parent = <&gic>;
@@ -240,6 +241,57 @@
status = "disabled";
};
+ pcie: pcie@11280000 {
+ compatible = "mediatek,mt7986-pcie",
+ "mediatek,mt8192-pcie";
+ device_type = "pci";
+ #address-cells = <3>;
+ #size-cells = <2>;
+ reg = <0x00 0x11280000 0x00 0x4000>;
+ reg-names = "pcie-mac";
+ interrupts = <GIC_SPI 168 IRQ_TYPE_LEVEL_HIGH>;
+ bus-range = <0x00 0xff>;
+ ranges = <0x82000000 0x00 0x20000000 0x00
+ 0x20000000 0x00 0x10000000>;
+ clocks = <&infracfg CLK_INFRA_PCIE_SEL>,
+ <&infracfg CLK_INFRA_IPCIE_CK>,
+ <&infracfg CLK_INFRA_IPCIE_PIPE_CK>,
+ <&infracfg CLK_INFRA_IPCIER_CK>,
+ <&infracfg CLK_INFRA_IPCIEB_CK>;
+ status = "disabled";
+
+ phys = <&pcie_port PHY_TYPE_PCIE>;
+ phy-names = "pcie-phy";
+
+ #interrupt-cells = <1>;
+ interrupt-map-mask = <0 0 0 0x7>;
+ 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>;
+ pcie_intc: interrupt-controller {
+ #address-cells = <0>;
+ #interrupt-cells = <1>;
+ interrupt-controller;
+ };
+ };
+
+ pcie_phy: t-phy@11c00000 {
+ compatible = "mediatek,mt7986-tphy",
+ "mediatek,generic-tphy-v2";
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+ status = "disabled";
+
+ pcie_port: pcie-phy@11c00000 {
+ reg = <0 0x11c00000 0 0x20000>;
+ clocks = <&clk40m>;
+ clock-names = "ref";
+ #phy-cells = <1>;
+ };
+ };
+
ethsys: syscon@15000000 {
#address-cells = <1>;
#size-cells = <1>;
--
2.18.0
