diff options
| author | Zong Li <zong.li@sifive.com> | 2022-03-28 17:52:23 +0800 |
|---|---|---|
| committer | Palmer Dabbelt <palmer@rivosinc.com> | 2022-04-20 17:37:04 -0700 |
| commit | 6f6fa9cede8f65c5752bf584f4a388d3eded04ed (patch) | |
| tree | 0fbabc6c0e5796852472ad79f6d28e6b2357e025 | |
| parent | 7da9ca3f5b1e435eddcf539d60c0975d98dfa4b9 (diff) | |
| download | linux-stable-6f6fa9cede8f65c5752bf584f4a388d3eded04ed.tar.gz linux-stable-6f6fa9cede8f65c5752bf584f4a388d3eded04ed.tar.bz2 linux-stable-6f6fa9cede8f65c5752bf584f4a388d3eded04ed.zip | |
riscv: dts: Add dma-channels property and modify compatible
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>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
| -rw-r--r-- | arch/riscv/boot/dts/sifive/fu540-c000.dtsi | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/riscv/boot/dts/sifive/fu540-c000.dtsi b/arch/riscv/boot/dts/sifive/fu540-c000.dtsi index aad45d7f498f..7ea6300191a5 100644 --- a/arch/riscv/boot/dts/sifive/fu540-c000.dtsi +++ b/arch/riscv/boot/dts/sifive/fu540-c000.dtsi @@ -168,11 +168,12 @@ 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 { |