Enable the QSPI controller in the alt device tree.

Based similar work for the silk board by by Vladimir Barinov and
Sergei Shtylyov.

Signed-off-by: Simon Horman <[email protected]>
Acked-by: Geert Uytterhoeven <[email protected]>
---
 arch/arm/boot/dts/r8a7794-alt.dts | 46 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)

diff --git a/arch/arm/boot/dts/r8a7794-alt.dts 
b/arch/arm/boot/dts/r8a7794-alt.dts
index 2394e4883786..773f304d1142 100644
--- a/arch/arm/boot/dts/r8a7794-alt.dts
+++ b/arch/arm/boot/dts/r8a7794-alt.dts
@@ -138,6 +138,13 @@
        status = "okay";
 };
 
+&pfc {
+       qspi_pins: spi0 {
+               renesas,groups = "qspi_ctrl", "qspi_data4";
+               renesas,function = "qspi";
+       };
+};
+
 &ether {
        pinctrl-0 = <&ether_pins &phy1_pins>;
        pinctrl-names = "default";
@@ -197,3 +204,42 @@
 
        status = "okay";
 };
+
+&qspi {
+       pinctrl-0 = <&qspi_pins>;
+       pinctrl-names = "default";
+
+       status = "okay";
+
+       flash@0 {
+               compatible = "spansion,s25fl512s", "jedec,spi-nor";
+               reg = <0>;
+               spi-max-frequency = <30000000>;
+               spi-tx-bus-width = <4>;
+               spi-rx-bus-width = <4>;
+               spi-cpol;
+               spi-cpha;
+               m25p,fast-read;
+
+               partitions {
+                       compatible = "fixed-partitions";
+                       #address-cells = <1>;
+                       #size-cells = <1>;
+
+                       partition@0 {
+                               label = "loader";
+                               reg = <0x00000000 0x00040000>;
+                               read-only;
+                       };
+                       partition@40000 {
+                               label = "system";
+                               reg = <0x00040000 0x00040000>;
+                               read-only;
+                       };
+                       partition@80000 {
+                               label = "user";
+                               reg = <0x00080000 0x03f80000>;
+                       };
+               };
+       };
+};
-- 
2.7.0.rc3.207.g0ac5344

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