linux-kernel - [PATCH v1 7/7] arm64: tegra: Enable QSPI on Jetson Xavier NX

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Message-ID: <1606857168-5839-8-git-send-email-skomatineni@nvidia.com>
Date:   Tue, 1 Dec 2020 13:12:48 -0800
From:   Sowjanya Komatineni <skomatineni@...dia.com>
To:     <thierry.reding@...il.com>, <jonathanh@...dia.com>,
        <broonie@...nel.org>, <robh+dt@...nel.org>
CC:     <skomatineni@...dia.com>, <linux-spi@...r.kernel.org>,
        <linux-tegra@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>
Subject: [PATCH v1 7/7] arm64: tegra: Enable QSPI on Jetson Xavier NX

Jetson Xavier NX has Spansion S25FS26S Quad SPI Flash.

This patch enables QSPI on Jetson Xavier NX.

Signed-off-by: Sowjanya Komatineni <skomatineni@...dia.com>
---
 .../arm64/boot/dts/nvidia/tegra194-p3509-0000+p3668-0000.dts | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p3509-0000+p3668-0000.dts b/arch/arm64/boot/dts/nvidia/tegra194-p3509-0000+p3668-0000.dts
index 7f97b34..f1053e7 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194-p3509-0000+p3668-0000.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra194-p3509-0000+p3668-0000.dts
@@ -100,6 +100,18 @@
 			phy-names = "usb2-1", "usb2-2", "usb3-2";
 		};
 
+		spi@...0000 {
+			status = "okay";
+
+			flash@0 {
+				compatible = "spi-nor";
+				reg = <0>;
+				spi-max-frequency = <102000000>;
+				spi-tx-bus-width = <4>;
+				spi-rx-bus-width = <4>;
+			};
+		};
+
 		pwm@...0000 {
 			status = "okay";
 		};
-- 
2.7.4