ARM: shmobile: genmai reference dts: Add RSPI node
Add SPI device for RSPI on Genmai.
On this board, only rspi4 is in use. Its bus contains a single device
(a wm8978 audio codec), for which no bindings are defined yet.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
diff --git a/arch/arm/boot/dts/r7s72100-genmai.dts b/arch/arm/boot/dts/r7s72100-genmai.dts
index 56849b5..2070546 100644
--- a/arch/arm/boot/dts/r7s72100-genmai.dts
+++ b/arch/arm/boot/dts/r7s72100-genmai.dts
@@ -57,3 +57,13 @@
&scif2 {
status = "okay";
};
+
+&spi4 {
+ status = "okay";
+
+ codec: codec@0 {
+ compatible = "wlf,wm8978";
+ reg = <0>;
+ spi-max-frequency = <5000000>;
+ };
+};