ARM: dts: iwg23s-sbc: Add QSPI flash support

This commit adds QSPI flash support to the iwg23s board specific
device tree.

Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm/boot/dts/r8a77470-iwg23s-sbc.dts b/arch/arm/boot/dts/r8a77470-iwg23s-sbc.dts
index 52f23b8..40b7f98 100644 (file)
--- a/arch/arm/boot/dts/r8a77470-iwg23s-sbc.dts
+++ b/arch/arm/boot/dts/r8a77470-iwg23s-sbc.dts
@@ -96,6 +96,11 @@
                power-source = <1800>;
        };
 
+       qspi0_pins: qspi0 {
+               groups = "qspi0_ctrl", "qspi0_data2";
+               function = "qspi0";
+       };
+
        scif1_pins: scif1 {
                groups = "scif1_data_b";
                function = "scif1";
@@ -114,6 +119,27 @@
        };
 };
 
+&qspi0 {
+       pinctrl-0 = <&qspi0_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 = "issi,is25lp016d", "jedec,spi-nor";
+               reg = <0>;
+               spi-max-frequency = <133000000>;
+               spi-tx-bus-width = <1>;
+               spi-rx-bus-width = <1>;
+               m25p,fast-read;
+               spi-cpol;
+               spi-cpha;
+       };
+};
+
 &rwdt {
        timeout-sec = <60>;
        status = "okay";