[PATCH 1/2] arm64: dts: renesas: r8a779g0: Add DMA support
Geert Uytterhoeven
geert+renesas at glider.be
Mon Sep 26 08:26:23 PDT 2022
Add device nodes for the Direct Memory Access Controllers for System
(SYS-DMAC) on the Renesas R-Car V4H (R8A779G0) SoC.
Link all DMA consumers to the corresponding DMA controller channels.
Signed-off-by: Geert Uytterhoeven <geert+renesas at glider.be>
---
arch/arm64/boot/dts/renesas/r8a779g0.dtsi | 91 +++++++++++++++++++++++
1 file changed, 91 insertions(+)
diff --git a/arch/arm64/boot/dts/renesas/r8a779g0.dtsi b/arch/arm64/boot/dts/renesas/r8a779g0.dtsi
index d70f0600ae5a9469..632b9f49de296ce0 100644
--- a/arch/arm64/boot/dts/renesas/r8a779g0.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a779g0.dtsi
@@ -241,6 +241,9 @@ i2c0: i2c at e6500000 {
reg = <0 0xe6500000 0 0x40>;
interrupts = <GIC_SPI 610 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&cpg CPG_MOD 518>;
+ dmas = <&dmac0 0x91>, <&dmac0 0x90>,
+ <&dmac1 0x91>, <&dmac1 0x90>;
+ dma-names = "tx", "rx", "tx", "rx";
power-domains = <&sysc R8A779G0_PD_ALWAYS_ON>;
resets = <&cpg 518>;
i2c-scl-internal-delay-ns = <110>;
@@ -255,6 +258,9 @@ i2c1: i2c at e6508000 {
reg = <0 0xe6508000 0 0x40>;
interrupts = <GIC_SPI 611 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&cpg CPG_MOD 519>;
+ dmas = <&dmac0 0x93>, <&dmac0 0x92>,
+ <&dmac1 0x93>, <&dmac1 0x92>;
+ dma-names = "tx", "rx", "tx", "rx";
power-domains = <&sysc R8A779G0_PD_ALWAYS_ON>;
resets = <&cpg 519>;
i2c-scl-internal-delay-ns = <110>;
@@ -269,6 +275,9 @@ i2c2: i2c at e6510000 {
reg = <0 0xe6510000 0 0x40>;
interrupts = <GIC_SPI 612 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&cpg CPG_MOD 520>;
+ dmas = <&dmac0 0x95>, <&dmac0 0x94>,
+ <&dmac1 0x95>, <&dmac1 0x94>;
+ dma-names = "tx", "rx", "tx", "rx";
power-domains = <&sysc R8A779G0_PD_ALWAYS_ON>;
resets = <&cpg 520>;
i2c-scl-internal-delay-ns = <110>;
@@ -283,6 +292,9 @@ i2c3: i2c at e66d0000 {
reg = <0 0xe66d0000 0 0x40>;
interrupts = <GIC_SPI 613 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&cpg CPG_MOD 521>;
+ dmas = <&dmac0 0x97>, <&dmac0 0x96>,
+ <&dmac1 0x97>, <&dmac1 0x96>;
+ dma-names = "tx", "rx", "tx", "rx";
power-domains = <&sysc R8A779G0_PD_ALWAYS_ON>;
resets = <&cpg 521>;
i2c-scl-internal-delay-ns = <110>;
@@ -297,6 +309,9 @@ i2c4: i2c at e66d8000 {
reg = <0 0xe66d8000 0 0x40>;
interrupts = <GIC_SPI 614 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&cpg CPG_MOD 522>;
+ dma-names = "tx", "rx", "tx", "rx";
+ dmas = <&dmac0 0x99>, <&dmac0 0x98>,
+ <&dmac1 0x99>, <&dmac1 0x98>;
power-domains = <&sysc R8A779G0_PD_ALWAYS_ON>;
resets = <&cpg 522>;
i2c-scl-internal-delay-ns = <110>;
@@ -311,6 +326,9 @@ i2c5: i2c at e66e0000 {
reg = <0 0xe66e0000 0 0x40>;
interrupts = <GIC_SPI 615 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&cpg CPG_MOD 523>;
+ dmas = <&dmac0 0x9b>, <&dmac0 0x9a>,
+ <&dmac1 0x9b>, <&dmac1 0x9a>;
+ dma-names = "tx", "rx", "tx", "rx";
power-domains = <&sysc R8A779G0_PD_ALWAYS_ON>;
resets = <&cpg 523>;
i2c-scl-internal-delay-ns = <110>;
@@ -329,6 +347,9 @@ hscif0: serial at e6540000 {
<&cpg CPG_CORE R8A779G0_CLK_S0D3_PER>,
<&scif_clk>;
clock-names = "fck", "brg_int", "scif_clk";
+ dmas = <&dmac0 0x31>, <&dmac0 0x30>,
+ <&dmac1 0x31>, <&dmac1 0x30>;
+ dma-names = "tx", "rx", "tx", "rx";
power-domains = <&sysc R8A779G0_PD_ALWAYS_ON>;
resets = <&cpg 514>;
status = "disabled";
@@ -475,6 +496,76 @@ avb2: ethernet at e6820000 {
status = "disabled";
};
+ dmac0: dma-controller at e7350000 {
+ compatible = "renesas,dmac-r8a779g0",
+ "renesas,rcar-gen4-dmac";
+ reg = <0 0xe7350000 0 0x1000>,
+ <0 0xe7300000 0 0x10000>;
+ interrupts = <GIC_SPI 80 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 87 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 93 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "error",
+ "ch0", "ch1", "ch2", "ch3", "ch4",
+ "ch5", "ch6", "ch7", "ch8", "ch9",
+ "ch10", "ch11", "ch12", "ch13",
+ "ch14", "ch15";
+ clocks = <&cpg CPG_MOD 709>;
+ clock-names = "fck";
+ power-domains = <&sysc R8A779G0_PD_ALWAYS_ON>;
+ resets = <&cpg 709>;
+ #dma-cells = <1>;
+ dma-channels = <16>;
+ };
+
+ dmac1: dma-controller at e7351000 {
+ compatible = "renesas,dmac-r8a779g0",
+ "renesas,rcar-gen4-dmac";
+ reg = <0 0xe7351000 0 0x1000>,
+ <0 0xe7310000 0 0x10000>;
+ interrupts = <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 101 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 104 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 106 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 107 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 111 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 112 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 113 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 114 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 115 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "error",
+ "ch0", "ch1", "ch2", "ch3", "ch4",
+ "ch5", "ch6", "ch7", "ch8", "ch9",
+ "ch10", "ch11", "ch12", "ch13",
+ "ch14", "ch15";
+ clocks = <&cpg CPG_MOD 710>;
+ clock-names = "fck";
+ power-domains = <&sysc R8A779G0_PD_ALWAYS_ON>;
+ resets = <&cpg 710>;
+ #dma-cells = <1>;
+ dma-channels = <16>;
+ };
+
gic: interrupt-controller at f1000000 {
compatible = "arm,gic-v3";
#interrupt-cells = <3>;
--
2.25.1
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