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    Subject[PATCH v4 1/3] riscv: dts: Add dma-channels property in dma node
    Date
    Add dma-channels property, then we can determine how many channels there
    by device tree.

    Signed-off-by: Zong Li <zong.li@sifive.com>
    ---
    arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi | 1 +
    arch/riscv/boot/dts/sifive/fu540-c000.dtsi | 1 +
    2 files changed, 2 insertions(+)

    diff --git a/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi b/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi
    index c9f6d205d2ba..3c48f2d7a4a4 100644
    --- a/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi
    +++ b/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi
    @@ -188,6 +188,7 @@ dma@3000000 {
    reg = <0x0 0x3000000 0x0 0x8000>;
    interrupt-parent = <&plic>;
    interrupts = <23 24 25 26 27 28 29 30>;
    + dma-channels = <4>;
    #dma-cells = <1>;
    };

    diff --git a/arch/riscv/boot/dts/sifive/fu540-c000.dtsi b/arch/riscv/boot/dts/sifive/fu540-c000.dtsi
    index 0655b5c4201d..2bdfe7f06e4b 100644
    --- a/arch/riscv/boot/dts/sifive/fu540-c000.dtsi
    +++ b/arch/riscv/boot/dts/sifive/fu540-c000.dtsi
    @@ -171,6 +171,7 @@ dma: dma@3000000 {
    reg = <0x0 0x3000000 0x0 0x8000>;
    interrupt-parent = <&plic0>;
    interrupts = <23 24 25 26 27 28 29 30>;
    + dma-channels = <4>;
    #dma-cells = <1>;
    };
    uart1: serial@10011000 {
    --
    2.31.1
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