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Subject[PATCH v3 10/10] arm: dts: mt7623: add PCIe related nodes
Date
This patch adds devices nodes and updates pinmux setting for the PICe
function block. Just note that PCIe port2 PHY is shared with U3 port.

Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
---
arch/arm/boot/dts/mt7623.dtsi | 108 ++++++++++++++++++++++++++
arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts | 30 +++++++
2 files changed, 138 insertions(+)

diff --git a/arch/arm/boot/dts/mt7623.dtsi b/arch/arm/boot/dts/mt7623.dtsi
index b19aa9f..32d454e 100644
--- a/arch/arm/boot/dts/mt7623.dtsi
+++ b/arch/arm/boot/dts/mt7623.dtsi
@@ -862,6 +862,114 @@
#reset-cells = <1>;
};

+ pcie: pcie-controller@1a140000 {
+ compatible = "mediatek,mt7623-pcie";
+ device_type = "pci";
+ reg = <0 0x1a140000 0 0x1000>, /* PCIe shared registers */
+ <0 0x1a142000 0 0x1000>, /* Port0 registers */
+ <0 0x1a143000 0 0x1000>, /* Port1 registers */
+ <0 0x1a144000 0 0x1000>; /* Port2 registers */
+ reg-names = "subsys", "port0", "port1", "port2";
+ #address-cells = <3>;
+ #size-cells = <2>;
+ #interrupt-cells = <1>;
+ interrupt-map-mask = <0xf800 0 0 0>;
+ interrupt-map = <0x0000 0 0 0 &sysirq GIC_SPI 193 IRQ_TYPE_LEVEL_LOW>,
+ <0x0800 0 0 0 &sysirq GIC_SPI 194 IRQ_TYPE_LEVEL_LOW>,
+ <0x1000 0 0 0 &sysirq GIC_SPI 195 IRQ_TYPE_LEVEL_LOW>;
+ clocks = <&topckgen CLK_TOP_ETHIF_SEL>,
+ <&hifsys CLK_HIFSYS_PCIE0>,
+ <&hifsys CLK_HIFSYS_PCIE1>,
+ <&hifsys CLK_HIFSYS_PCIE2>;
+ clock-names = "free_ck", "sys_ck0", "sys_ck1", "sys_ck2";
+ resets = <&hifsys MT2701_HIFSYS_PCIE0_RST>,
+ <&hifsys MT2701_HIFSYS_PCIE1_RST>,
+ <&hifsys MT2701_HIFSYS_PCIE2_RST>;
+ reset-names = "pcie-rst0", "pcie-rst1", "pcie-rst2";
+ phys = <&pcie0_port PHY_TYPE_PCIE>,
+ <&pcie1_port PHY_TYPE_PCIE>,
+ <&u3port1 PHY_TYPE_PCIE>;
+ phy-names = "pcie-phy0", "pcie-phy1", "pcie-phy2";
+ power-domains = <&scpsys MT2701_POWER_DOMAIN_HIF>;
+ bus-range = <0x00 0xff>;
+ status = "disabled";
+ ranges = <0x81000000 0 0x1a160000 0 0x1a160000 0 0x00010000
+ 0x83000000 0 0x60000000 0 0x60000000 0 0x10000000>;
+
+ pcie@0,0 {
+ device_type = "pci";
+ reg = <0x0000 0 0 0 0>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ #interrupt-cells = <1>;
+ interrupt-map-mask = <0 0 0 0>;
+ interrupt-map = <0 0 0 0 &sysirq GIC_SPI 193 IRQ_TYPE_LEVEL_LOW>;
+ ranges;
+ num-lanes = <1>;
+ status = "disabled";
+ };
+
+ pcie@1,0 {
+ device_type = "pci";
+ reg = <0x0800 0 0 0 0>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ #interrupt-cells = <1>;
+ interrupt-map-mask = <0 0 0 0>;
+ interrupt-map = <0 0 0 0 &sysirq GIC_SPI 194 IRQ_TYPE_LEVEL_LOW>;
+ ranges;
+ num-lanes = <1>;
+ status = "disabled";
+ };
+
+ pcie@2,0 {
+ device_type = "pci";
+ reg = <0x1000 0 0 0 0>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ #interrupt-cells = <1>;
+ interrupt-map-mask = <0 0 0 0>;
+ interrupt-map = <0 0 0 0 &sysirq GIC_SPI 195 IRQ_TYPE_LEVEL_LOW>;
+ ranges;
+ num-lanes = <1>;
+ status = "disabled";
+ };
+ };
+
+ pcie0_phy: pcie-phy@1a149000 {
+ compatible = "mediatek,generic-tphy-v1";
+ reg = <0 0x1a149000 0 0x0700>;
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+ status = "disabled";
+
+ pcie0_port: pcie-phy@1a149900 {
+ reg = <0 0x1a149900 0 0x0700>;
+ clocks = <&clk26m>;
+ clock-names = "ref";
+ #phy-cells = <1>;
+ status = "okay";
+ };
+ };
+
+ pcie1_phy: pcie-phy@1a14a000 {
+ compatible = "mediatek,generic-tphy-v1";
+ reg = <0 0x1a14a000 0 0x0700>;
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+ status = "disabled";
+
+ pcie1_port: pcie-phy@1a14a900 {
+ reg = <0 0x1a14a900 0 0x0700>;
+ clocks = <&clk26m>;
+ clock-names = "ref";
+ #phy-cells = <1>;
+ status = "okay";
+ };
+ };
+
usb1: usb@1a1c0000 {
compatible = "mediatek,mt7623-xhci",
"mediatek,mt8173-xhci";
diff --git a/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts b/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts
index 267a05a..134a39a 100644
--- a/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts
+++ b/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts
@@ -226,6 +226,28 @@
vqmmc-supply = <&mt6323_vio18_reg>;
};

+&pcie {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pcie_default>;
+ status = "okay";
+
+ pcie@0,0 {
+ status = "okay";
+ };
+
+ pcie@1,0 {
+ status = "okay";
+ };
+};
+
+&pcie0_phy {
+ status = "okay";
+};
+
+&pcie1_phy {
+ status = "okay";
+};
+
&pio {
bls_pins_a: bls@0 {
pins_cmd_dat {
@@ -414,6 +436,14 @@
};
};

+ pcie_default: pcie_pin_default {
+ pins_cmd_dat {
+ pinmux = <MT7623_PIN_208_AUD_EXT_CK1_FUNC_PCIE0_PERST_N>,
+ <MT7623_PIN_209_AUD_EXT_CK2_FUNC_PCIE1_PERST_N>;
+ bias-disable;
+ };
+ };
+
pwm_pins_a: pwm@0 {
pins_pwm {
pinmux = <MT7623_PIN_204_PWM1_FUNC_PWM1>,
--
1.9.1
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