ARM: tegra: dts: cardhu: enable SLINK4

Enable SLINK4 and connected device in Tegra30 based platform Cardhu. Setting maximum spi frequency to 25MHz. SPI serial flash is connected on CS1 of SLINK4 on cardhu platform. Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> [swarren: swapped reg/compatible order to be consistent] Signed-off-by: Stephen Warren <swarren@nvidia.com>
git-mirror · Nov 15, 2012 · c42cb1c · c42cb1c
1 parent a86b0db
commit c42cb1c
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diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt
@@ -51,4 +51,5 @@ ti	Texas Instruments
 via	VIA Technologies, Inc.
 wlf	Wolfson Microelectronics
 wm	Wondermedia Technologies, Inc.
+winbond Winbond Electronics corp.
 xlnx	Xilinx
diff --git a/arch/arm/boot/dts/tegra30-cardhu.dtsi b/arch/arm/boot/dts/tegra30-cardhu.dtsi
@@ -275,6 +275,16 @@
 		};
 	};
 
+	spi@7000da00 {
+		status = "okay";
+		spi-max-frequency = <25000000>;
+		spi-flash@1 {
+			compatible = "winbond,w25q32";
+			reg = <1>;
+			spi-max-frequency = <20000000>;
+		};
+	};
+
 	ahub {
 		i2s@70080400 {
 			status = "okay";