ARM: shmobile: gose: Add QSPI device to DT

Enable the QSPI controller in the gose device tree.

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

Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>

diff --git a/arch/arm/boot/dts/r8a7793-gose.dts b/arch/arm/boot/dts/r8a7793-gose.dts
index 1575ef7..d842ce7 100644 (file)
--- a/arch/arm/boot/dts/r8a7793-gose.dts
+++ b/arch/arm/boot/dts/r8a7793-gose.dts
@@ -57,6 +57,11 @@
                renesas,groups = "intc_irq0";
                renesas,function = "intc";
        };
+
+       qspi_pins: spi0 {
+               renesas,groups = "qspi_ctrl", "qspi_data4";
+               renesas,function = "qspi";
+       };
 };
 
 &ether {
@@ -92,3 +97,41 @@
 
        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 {
+                       #address-cells = <1>;
+                       #size-cells = <1>;
+
+                       partition@0 {
+                               label = "loader";
+                               reg = <0x00000000 0x00040000>;
+                               read-only;
+                       };
+                       partition@40000 {
+                               label = "user";
+                               reg = <0x00040000 0x00400000>;
+                               read-only;
+                       };
+                       partition@440000 {
+                               label = "flash";
+                               reg = <0x00440000 0x03bc0000>;
+                       };
+               };
+       };
+};