arm64: dts: renesas: gray-hawk-single: Add QSPI FLASH support

Describe the QSPI FLASH on the Gray Hawk Single board.

Signed-off-by: Cong Dang <cong.dang.xn@renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/96d6567024cef9fcd6b04f92a697301c1c8d1d8e.1708354463.git.geert+renesas@glider.be

diff --git a/arch/arm64/boot/dts/renesas/r8a779h0-gray-hawk-single.dts b/arch/arm64/boot/dts/renesas/r8a779h0-gray-hawk-single.dts
index 1163ac5e292755dba23fec743e02cb5d1f0a14a4..bc8616a56c039b20b0635e7d844e89735099cded 100644 (file)
--- a/arch/arm64/boot/dts/renesas/r8a779h0-gray-hawk-single.dts
+++ b/arch/arm64/boot/dts/renesas/r8a779h0-gray-hawk-single.dts
@@ -181,12 +181,45 @@
                power-source = <1800>;
        };
 
+       qspi0_pins: qspi0 {
+               groups = "qspi0_ctrl", "qspi0_data4";
+               function = "qspi0";
+       };
+
        scif_clk_pins: scif-clk {
                groups = "scif_clk";
                function = "scif_clk";
        };
 };
 
+&rpc {
+       pinctrl-0 = <&qspi0_pins>;
+       pinctrl-names = "default";
+
+       status = "okay";
+
+       flash@0 {
+               compatible = "spansion,s25fs512s", "jedec,spi-nor";
+               reg = <0>;
+               spi-max-frequency = <40000000>;
+               spi-rx-bus-width = <4>;
+
+               partitions {
+                       compatible = "fixed-partitions";
+                       #address-cells = <1>;
+                       #size-cells = <1>;
+
+                       boot@0 {
+                               reg = <0x0 0x1200000>;
+                               read-only;
+                       };
+                       user@1200000 {
+                               reg = <0x1200000 0x2e00000>;
+                       };
+               };
+       };
+};
+
 &rwdt {
        timeout-sec = <60>;
        status = "okay";