ARM: dts: r8a7794: add Audio-DMAC support

Describe Audio-DMAC in the R8A7794 device tree.

This patch is loosely based on the commit 8994fff67761 ("ARM: shmobile:
r8a7791: Add Audio DMAC devices to DT").

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

1 files changed, 28 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/r8a7794.dtsi b/arch/arm/boot/dts/r8a7794.dtsi
index cba41c199fd8..668e1383dd09 100644
--- a/arch/arm/boot/dts/r8a7794.dtsi
+++ b/arch/arm/boot/dts/r8a7794.dtsi
@@ -296,6 +296,34 @@
                 dma-channels = <15>;
         };
 
+        audma0: dma-controller@ec700000 {
+                compatible = "renesas,dmac-r8a7794", "renesas,rcar-dmac";
+                reg = <0 0xec700000 0 0x10000>;
+                interrupts =    <GIC_SPI 346 IRQ_TYPE_LEVEL_HIGH
+                                 GIC_SPI 320 IRQ_TYPE_LEVEL_HIGH
+                                 GIC_SPI 321 IRQ_TYPE_LEVEL_HIGH
+                                 GIC_SPI 322 IRQ_TYPE_LEVEL_HIGH
+                                 GIC_SPI 323 IRQ_TYPE_LEVEL_HIGH
+                                 GIC_SPI 324 IRQ_TYPE_LEVEL_HIGH
+                                 GIC_SPI 325 IRQ_TYPE_LEVEL_HIGH
+                                 GIC_SPI 326 IRQ_TYPE_LEVEL_HIGH
+                                 GIC_SPI 327 IRQ_TYPE_LEVEL_HIGH
+                                 GIC_SPI 328 IRQ_TYPE_LEVEL_HIGH
+                                 GIC_SPI 329 IRQ_TYPE_LEVEL_HIGH
+                                 GIC_SPI 330 IRQ_TYPE_LEVEL_HIGH
+                                 GIC_SPI 331 IRQ_TYPE_LEVEL_HIGH
+                                 GIC_SPI 332 IRQ_TYPE_LEVEL_HIGH>;
+                interrupt-names = "error",
+                                  "ch0", "ch1", "ch2", "ch3", "ch4", "ch5",
+                                  "ch6", "ch7", "ch8", "ch9", "ch10", "ch11",
+                                  "ch12";
+                clocks = <&mstp5_clks R8A7794_CLK_AUDIO_DMAC0>;
+                clock-names = "fck";
+                power-domains = <&cpg_clocks>;
+                #dma-cells = <1>;
+                dma-channels = <13>;
+        };
+
         scifa0: serial@e6c40000 {
                 compatible = "renesas,scifa-r8a7794",
                              "renesas,rcar-gen2-scifa", "renesas,scifa";