| Message ID | d19daa503fb242eef00d79082931199cb3e48021.1648461096.git.zong.li@sifive.com (mailing list archive) |
|---|---|
| State | Not Applicable |
| Headers | show |
| Series | Determine the number of DMA channels by 'dma-channels' property | expand |
On Mon, Mar 28, 2022 at 7:25 PM Zong Li <zong.li@sifive.com> wrote: > > Add dma-channels property, then we can determine how many channels there > by device tree, in addition, we add the pdma versioning scheme for > compatible. > > Signed-off-by: Zong Li <zong.li@sifive.com> > Reviewed-by: Palmer Dabbelt <palmer@rivosinc.com> > Acked-by: Palmer Dabbelt <palmer@rivosinc.com> > Acked-by: Conor Dooley <conor.dooley@microchip.com> > --- > arch/riscv/boot/dts/sifive/fu540-c000.dtsi | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/arch/riscv/boot/dts/sifive/fu540-c000.dtsi b/arch/riscv/boot/dts/sifive/fu540-c000.dtsi index 3eef52b1a59b..6a3011180846 100644 --- a/arch/riscv/boot/dts/sifive/fu540-c000.dtsi +++ b/arch/riscv/boot/dts/sifive/fu540-c000.dtsi @@ -168,11 +168,12 @@ uart0: serial@10010000 { status = "disabled"; }; dma: dma@3000000 { - compatible = "sifive,fu540-c000-pdma"; + compatible = "sifive,fu540-c000-pdma", "sifive,pdma0"; 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 {