Hi,
2014-07-16 5:18 GMT+09:00 Laurent Pinchart
<laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>:
> Instantiate the two system DMA controllers in the r8a7791 device tree.
>
> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
> ---
> arch/arm/boot/dts/r8a7791.dtsi | 60 ++++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 60 insertions(+)
>
> diff --git a/arch/arm/boot/dts/r8a7791.dtsi b/arch/arm/boot/dts/r8a7791.dtsi
> index 6e9a556..c23e72f 100644
> --- a/arch/arm/boot/dts/r8a7791.dtsi
> +++ b/arch/arm/boot/dts/r8a7791.dtsi
> @@ -206,6 +206,66 @@
> <0 17 IRQ_TYPE_LEVEL_HIGH>;
> };
>
> + dmac0: dma-controller@e6700000 {
> + compatible = "renesas,rcar-dmac";
> + reg = <0 0xe6700000 0 0x20000>;
> + interrupts = <0 197 IRQ_TYPE_LEVEL_HIGH
> + 0 200 IRQ_TYPE_LEVEL_HIGH
> + 0 201 IRQ_TYPE_LEVEL_HIGH
> + 0 202 IRQ_TYPE_LEVEL_HIGH
> + 0 203 IRQ_TYPE_LEVEL_HIGH
> + 0 204 IRQ_TYPE_LEVEL_HIGH
> + 0 205 IRQ_TYPE_LEVEL_HIGH
> + 0 206 IRQ_TYPE_LEVEL_HIGH
> + 0 207 IRQ_TYPE_LEVEL_HIGH
> + 0 208 IRQ_TYPE_LEVEL_HIGH
> + 0 209 IRQ_TYPE_LEVEL_HIGH
> + 0 210 IRQ_TYPE_LEVEL_HIGH
> + 0 211 IRQ_TYPE_LEVEL_HIGH
> + 0 212 IRQ_TYPE_LEVEL_HIGH
> + 0 213 IRQ_TYPE_LEVEL_HIGH
> + 0 214 IRQ_TYPE_LEVEL_HIGH>;
> + interrupt-names = "error",
> + "ch0", "ch1", "ch2", "ch3",
> + "ch4", "ch5", "ch6", "ch7",
> + "ch8", "ch9", "ch10", "ch11",
> + "ch12", "ch13", "ch14", "ch15";
> + clocks = <&mstp2_clks R8A7791_CLK_SYS_DMAC0>;
> + clock-names = "fck";
> + #dma-cells = <1>;
> + dma-channels = <15>;
I think that dma-channels should be set to 16.
> + };
> +
> + dmac1: dma-controller@e6720000 {
> + compatible = "renesas,rcar-dmac";
> + reg = <0 0xe6720000 0 0x20000>;
> + interrupts = <0 220 IRQ_TYPE_LEVEL_HIGH
> + 0 216 IRQ_TYPE_LEVEL_HIGH
> + 0 217 IRQ_TYPE_LEVEL_HIGH
> + 0 218 IRQ_TYPE_LEVEL_HIGH
> + 0 219 IRQ_TYPE_LEVEL_HIGH
> + 0 308 IRQ_TYPE_LEVEL_HIGH
> + 0 309 IRQ_TYPE_LEVEL_HIGH
> + 0 310 IRQ_TYPE_LEVEL_HIGH
> + 0 311 IRQ_TYPE_LEVEL_HIGH
> + 0 312 IRQ_TYPE_LEVEL_HIGH
> + 0 313 IRQ_TYPE_LEVEL_HIGH
> + 0 314 IRQ_TYPE_LEVEL_HIGH
> + 0 315 IRQ_TYPE_LEVEL_HIGH
> + 0 316 IRQ_TYPE_LEVEL_HIGH
> + 0 317 IRQ_TYPE_LEVEL_HIGH
> + 0 318 IRQ_TYPE_LEVEL_HIGH>;
> + interrupt-names = "error",
> + "ch0", "ch1", "ch2", "ch3",
> + "ch4", "ch5", "ch6", "ch7",
> + "ch8", "ch9", "ch10", "ch11",
> + "ch12", "ch13", "ch14", "ch15";
> + clocks = <&mstp2_clks R8A7791_CLK_SYS_DMAC1>;
> + clock-names = "fck";
> + #dma-cells = <1>;
> + dma-channels = <15>;
likewise.
> + };
> +
> /* The memory map in the User's Manual maps the cores to bus numbers */
> i2c0: i2c@e6508000 {
> #address-cells = <1>;
> --
> 1.8.5.5
Best regards,
Nobuhiro
--
Nobuhiro Iwamatsu
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