From: Diogo Ivo <diogo.ivo@tecnico.ulisboa.pt>
Date: Tue, 3 Feb 2026 17:01:17 +0000 (+0000)
Subject: arm64: tegra: smaug: Enable SPI-NOR flash
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e4722f5510930df0ae2467132f558b90fdc81ee0;p=thirdparty%2Fkernel%2Fstable.git

arm64: tegra: smaug: Enable SPI-NOR flash

Add support for the SPI-NOR flash found in Pixel C devices.

Signed-off-by: Diogo Ivo <diogo.ivo@tecnico.ulisboa.pt>
Signed-off-by: Thierry Reding <treding@nvidia.com>
---

diff --git a/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts b/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts
index b88428aa831e..f0b8c2c80aa5 100644
--- a/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts
@@ -1892,6 +1892,18 @@
 		};
 	};
 
+	spi@70410000 {
+		status = "okay";
+
+		flash@0 {
+			compatible = "jedec,spi-nor";
+			reg = <0>;
+			spi-max-frequency = <104000000>;
+			spi-tx-bus-width = <2>;
+			spi-rx-bus-width = <2>;
+		};
+	};
+
 	clk32k_in: clock-32k {
 		compatible = "fixed-clock";
 		clock-frequency = <32768>;