linux-kernel - [PATCH 10/15] arm64: dts: mediatek: radxa-nio-12l: Enable PCI-Express 0 for USB HUB

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Message-ID: <20240112094632.66310-11-angelogioacchino.delregno@collabora.com>
Date: Fri, 12 Jan 2024 10:46:27 +0100
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
To: linux-mediatek@...ts.infradead.org
Cc: robh+dt@...nel.org,
	krzysztof.kozlowski+dt@...aro.org,
	conor+dt@...nel.org,
	matthias.bgg@...il.com,
	angelogioacchino.delregno@...labora.com,
	wenst@...omium.org,
	hsinyi@...omium.org,
	nfraprado@...labora.com,
	macpaul.lin@...iatek.com,
	sean.wang@...iatek.com,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	kernel@...labora.com
Subject: [PATCH 10/15] arm64: dts: mediatek: radxa-nio-12l: Enable PCI-Express 0 for USB HUB

Enable the PCIe0 controller, providing part of the USB connectivity
found on this board through a USB HUB connected over PCI-Express.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
---
 .../boot/dts/mediatek/mt8395-radxa-nio-12l.dts    | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8395-radxa-nio-12l.dts b/arch/arm64/boot/dts/mediatek/mt8395-radxa-nio-12l.dts
index 5a9e33013209..dbde2c7b3c64 100644
--- a/arch/arm64/boot/dts/mediatek/mt8395-radxa-nio-12l.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8395-radxa-nio-12l.dts
@@ -564,6 +564,15 @@ pins-irq {
 		};
 	};
 
+	pcie0_default_pins: pcie0-default-pins {
+		pins-bus {
+			pinmux = <PINMUX_GPIO19__FUNC_WAKEN>,
+				 <PINMUX_GPIO20__FUNC_PERSTN>,
+				 <PINMUX_GPIO21__FUNC_CLKREQN>;
+			bias-pull-up;
+		};
+	};
+
 	uart0_pins: uart0-pins {
 		pins-bus {
 			pinmux = <PINMUX_GPIO98__FUNC_UTXD0>,
@@ -583,6 +592,12 @@ pins-wifi-vreg-en {
 	};
 };
 
+&pcie0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pcie0_default_pins>;
+	status = "okay";
+};
+
 &pmic {
 	interrupts-extended = <&pio 222 IRQ_TYPE_LEVEL_HIGH>;
 };
-- 
2.43.0