ARM: shmobile: r8a7794: add QSPI DT support

Define the generic R8A7794 part of the QSPI device node.

Based on original patch by Hisashi Nakamura <hisashi.nakamura.ak@renesas.com>.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm/boot/dts/r8a7794.dtsi b/arch/arm/boot/dts/r8a7794.dtsi
index e9fab31e070994938405b9c3b5e862bf5ae27e0e..e0f32ede21814a82412391b893701e2747121474 100644 (file)
--- a/arch/arm/boot/dts/r8a7794.dtsi
+++ b/arch/arm/boot/dts/r8a7794.dtsi
@@ -19,6 +19,10 @@
        #address-cells = <2>;
        #size-cells = <2>;
 
+       aliases {
+               spi0 = &qspi;
+       };
+
        cpus {
                #address-cells = <1>;
                #size-cells = <0>;
@@ -537,6 +541,20 @@
                status = "disabled";
        };
 
+       qspi: spi@e6b10000 {
+               compatible = "renesas,qspi-r8a7794", "renesas,qspi";
+               reg = <0 0xe6b10000 0 0x2c>;
+               interrupts = <0 184 IRQ_TYPE_LEVEL_HIGH>;
+               clocks = <&mstp9_clks R8A7794_CLK_QSPI_MOD>;
+               dmas = <&dmac0 0x17>, <&dmac0 0x18>;
+               dma-names = "tx", "rx";
+               power-domains = <&cpg_clocks>;
+               num-cs = <1>;
+               #address-cells = <1>;
+               #size-cells = <0>;
+               status = "disabled";
+       };
+
        clocks {
                #address-cells = <2>;
                #size-cells = <2>;