[PATCH v2 4/4] arm64: dts: mediatek: cherry: Enable PCI-Express ports for WiFi

[AngeloGioacchino Del Regno]

On the Cherry platform, a MT7621 WiFi+Bluetooth combo is connected
over PCI-Express (for WiFi) and USB (for BT): enable the PCIe ports
to enable enumerating this chip.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>
Tested-by: Chen-Yu Tsai <wenst at chromium.org>
---
 .../boot/dts/mediatek/mt8195-cherry.dtsi      | 25 +++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
index adbda4dccdd5..eca5df85fe33 100644
--- a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
@@ -565,6 +565,13 @@ flash at 0 {
 	};
 };
 
+&pcie1 {
+	status = "okay";
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&pcie1_pins_default>;
+};
+
 &pio {
 	mediatek,rsel-resistance-in-si-unit;
 	pinctrl-names = "default";
@@ -959,6 +966,24 @@ pins-vreg-en {
 		};
 	};
 
+	pcie0_pins_default: pcie0-default-pins {
+		pins-bus {
+			pinmux = <PINMUX_GPIO19__FUNC_WAKEN>,
+				 <PINMUX_GPIO20__FUNC_PERSTN>,
+				 <PINMUX_GPIO21__FUNC_CLKREQN>;
+				 bias-pull-up;
+		};
+	};
+
+	pcie1_pins_default: pcie1-default-pins {
+		pins-bus {
+			pinmux = <PINMUX_GPIO22__FUNC_PERSTN_1>,
+				 <PINMUX_GPIO23__FUNC_CLKREQN_1>,
+				 <PINMUX_GPIO24__FUNC_WAKEN_1>;
+				 bias-pull-up;
+		};
+	};
+
 	pio_default: pio-default-pins {
 		pins-wifi-enable {
 			pinmux = <PINMUX_GPIO58__FUNC_GPIO58>;
-- 
2.40.0