arm64: dts: renesas: r8a77970: add SYS-DMAC support

Describe SYS-DMAC1/2 in the R8A77970 device tree.

Based on the original (and large) patch by Daisuke Matsushita
<daisuke.matsushita.ns@hitachi.com>.

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

diff --git a/arch/arm64/boot/dts/renesas/r8a77970.dtsi b/arch/arm64/boot/dts/renesas/r8a77970.dtsi
index dec3492..a2a438a 100644 (file)
--- a/arch/arm64/boot/dts/renesas/r8a77970.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77970.dtsi
@@ -121,5 +121,53 @@
                        compatible = "renesas,prr";
                        reg = <0 0xfff00044 0 4>;
                };
+
+               dmac1: dma-controller@e7300000 {
+                       compatible = "renesas,dmac-r8a77970",
+                                    "renesas,rcar-dmac";
+                       reg = <0 0xe7300000 0 0x10000>;
+                       interrupts = <GIC_SPI 220 IRQ_TYPE_LEVEL_HIGH
+                                     GIC_SPI 216 IRQ_TYPE_LEVEL_HIGH
+                                     GIC_SPI 217 IRQ_TYPE_LEVEL_HIGH
+                                     GIC_SPI 218 IRQ_TYPE_LEVEL_HIGH
+                                     GIC_SPI 219 IRQ_TYPE_LEVEL_HIGH
+                                     GIC_SPI 308 IRQ_TYPE_LEVEL_HIGH
+                                     GIC_SPI 309 IRQ_TYPE_LEVEL_HIGH
+                                     GIC_SPI 310 IRQ_TYPE_LEVEL_HIGH
+                                     GIC_SPI 311 IRQ_TYPE_LEVEL_HIGH>;
+                       interrupt-names = "error",
+                                         "ch0", "ch1", "ch2", "ch3",
+                                         "ch4", "ch5", "ch6", "ch7";
+                       clocks = <&cpg CPG_MOD 218>;
+                       clock-names = "fck";
+                       power-domains = <&sysc 32>;
+                       resets = <&cpg 218>;
+                       #dma-cells = <1>;
+                       dma-channels = <8>;
+               };
+
+               dmac2: dma-controller@e7310000 {
+                       compatible = "renesas,dmac-r8a77970",
+                                    "renesas,rcar-dmac";
+                       reg = <0 0xe7310000 0 0x10000>;
+                       interrupts = <GIC_SPI 307 IRQ_TYPE_LEVEL_HIGH
+                                     GIC_SPI 312 IRQ_TYPE_LEVEL_HIGH
+                                     GIC_SPI 313 IRQ_TYPE_LEVEL_HIGH
+                                     GIC_SPI 314 IRQ_TYPE_LEVEL_HIGH
+                                     GIC_SPI 315 IRQ_TYPE_LEVEL_HIGH
+                                     GIC_SPI 316 IRQ_TYPE_LEVEL_HIGH
+                                     GIC_SPI 317 IRQ_TYPE_LEVEL_HIGH
+                                     GIC_SPI 318 IRQ_TYPE_LEVEL_HIGH
+                                     GIC_SPI 319 IRQ_TYPE_LEVEL_HIGH>;
+                       interrupt-names = "error",
+                                         "ch0", "ch1", "ch2", "ch3",
+                                         "ch4", "ch5", "ch6", "ch7";
+                       clocks = <&cpg CPG_MOD 217>;
+                       clock-names = "fck";
+                       power-domains = <&sysc 32>;
+                       resets = <&cpg 217>;
+                       #dma-cells = <1>;
+                       dma-channels = <8>;
+               };
        };
 };