[PATCH v3 1/3] riscv: dts: Add dma-channels property in dma node
Zong Li
zong.li at sifive.com
Fri Jan 14 01:17:39 PST 2022
Add dma-channels property, then we can determine how many channels there
by device tree.
Signed-off-by: Zong Li <zong.li at 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 at 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 at 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 at 10011000 {
--
2.31.1
More information about the linux-riscv
mailing list