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@xxxxxxxxxx>
---
Changes from V1:
- rename the max freq prop to spi-max-frequency
Changes from V2:
- make node name to spi@
Changes from V3:
- Add winbond spi flash as cs1 for slink4.
- Add winbond company name in vendor list.
.../devicetree/bindings/vendor-prefixes.txt | 1 +
arch/arm/boot/dts/tegra30-cardhu.dtsi | 10 ++++++++++
2 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt
index 9de2b9f..ac2c2c4 100644
--- 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
index b245e6c..b4e0eda 100644
--- 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";
+ spi-max-frequency = <20000000>;
+ reg = <1>;
+ };
+ };
+
ahub {
i2s@70080400 {
status = "okay";
--
1.7.1.1
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