ARM: dts: iwg20m: Add SPI NOR support

Add support for the SPI NOR device used to boot up the system
to the System on Module DT.

Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Signed-off-by: Chris Paterson <chris.paterson2@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm/boot/dts/r8a7743-iwg20m.dtsi b/arch/arm/boot/dts/r8a7743-iwg20m.dtsi
index 4119737cb8833025a7ed019313a7af021c520ea4..75a8ca5718463e67701d072581beb324eed6858c 100644 (file)
--- a/arch/arm/boot/dts/r8a7743-iwg20m.dtsi
+++ b/arch/arm/boot/dts/r8a7743-iwg20m.dtsi
@@ -44,6 +44,11 @@
                function = "mmc";
        };
 
+       qspi_pins: qspi {
+               groups = "qspi_ctrl", "qspi_data2";
+               function = "qspi";
+       };
+
        sdhi0_pins: sd0 {
                groups = "sdhi0_data4", "sdhi0_ctrl";
                function = "sdhi0";
@@ -61,6 +66,27 @@
        status = "okay";
 };
 
+&qspi {
+       pinctrl-0 = <&qspi_pins>;
+       pinctrl-names = "default";
+
+       status = "okay";
+
+       /* WARNING - This device contains the bootloader. Handle with care. */
+       flash: flash@0 {
+               #address-cells = <1>;
+               #size-cells = <1>;
+               compatible = "sst,sst25vf016b", "jedec,spi-nor";
+               reg = <0>;
+               spi-max-frequency = <50000000>;
+               spi-tx-bus-width = <1>;
+               spi-rx-bus-width = <1>;
+               m25p,fast-read;
+               spi-cpol;
+               spi-cpha;
+       };
+};
+
 &sdhi0 {
        pinctrl-0 = <&sdhi0_pins>;
        pinctrl-names = "default";