linux-kernel - [PATCH v1 2/2] arm64: dts: mt7986: add PCIe nodes to BananaPi-R3

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Message-Id: <20221027060142.6354-3-linux@fw-web.de>
Date:   Thu, 27 Oct 2022 08:01:42 +0200
From:   Frank Wunderlich <linux@...web.de>
To:     linux-mediatek@...ts.infradead.org
Cc:     Frank Wunderlich <frank-w@...lic-files.de>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v1 2/2] arm64: dts: mt7986: add PCIe nodes to BananaPi-R3

From: Frank Wunderlich <frank-w@...lic-files.de>

Add PCIe nodes to Banana Pi R3 SBC which is used on M.2 slot.

Signed-off-by: Frank Wunderlich <frank-w@...lic-files.de>
---
 .../dts/mediatek/mt7986a-bananapi-bpi-r3.dtsi   | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt7986a-bananapi-bpi-r3.dtsi b/arch/arm64/boot/dts/mediatek/mt7986a-bananapi-bpi-r3.dtsi
index fc100c3a6415..8eb7079cf6d7 100644
--- a/arch/arm64/boot/dts/mediatek/mt7986a-bananapi-bpi-r3.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7986a-bananapi-bpi-r3.dtsi
@@ -181,6 +181,16 @@ &i2c0 {
 	status = "okay";
 };
 
+&pcie {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pcie_pins>;
+	status = "okay";
+};
+
+&pcie_phy {
+	status = "okay";
+};
+
 &pio {
 	i2c_pins: i2c-pins {
 		mux {
@@ -247,6 +257,13 @@ conf-rst {
 		};
 	};
 
+	pcie_pins: pcie-pins {
+		mux {
+			function = "pcie";
+			groups = "pcie_clk", "pcie_pereset";
+		};
+	};
+
 	spi_flash_pins: spi-flash-pins {
 		mux {
 			function = "spi";
-- 
2.34.1