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authorZong Li2022-03-28 17:52:23 +0800
committerPalmer Dabbelt2022-04-20 17:37:04 -0700
commit6f6fa9cede8f65c5752bf584f4a388d3eded04ed (patch)
tree0fbabc6c0e5796852472ad79f6d28e6b2357e025 /arch/riscv
parent7da9ca3f5b1e435eddcf539d60c0975d98dfa4b9 (diff)
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>
Diffstat (limited to 'arch/riscv')
-rw-r--r--arch/riscv/boot/dts/sifive/fu540-c000.dtsi3
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 {