ARM: dts: wheat: add QSPI support

[cascardo/linux.git] / arch / arm / boot / dts / r8a7792-wheat.dts

diff --git a/arch/arm/boot/dts/r8a7792-wheat.dts b/arch/arm/boot/dts/r8a7792-wheat.dts
index ff37de3..0ec4bc6 100644 (file)
--- a/arch/arm/boot/dts/r8a7792-wheat.dts
+++ b/arch/arm/boot/dts/r8a7792-wheat.dts
@@ -103,6 +103,11 @@
                groups = "sdhi0_data4", "sdhi0_ctrl";
                function = "sdhi0";
        };
+
+       qspi_pins: qspi {
+               groups = "qspi_ctrl", "qspi_data4";
+               function = "qspi";
+       };
 };
 
 &scif0 {
@@ -134,3 +139,41 @@
        cd-gpios = <&gpio11 11 GPIO_ACTIVE_LOW>;
        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 = "user";
+                               reg = <0x00040000 0x00400000>;
+                               read-only;
+                       };
+                       partition@440000 {
+                               label = "flash";
+                               reg = <0x00440000 0x03bc0000>;
+                       };
+               };
+       };
+};