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arm64: dts: rockchip: Add UART DMA support for RK3528

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The UART ports on RK3528 have DMA capability, describe it.
Flow control is optional, so dma-names are not added.

Signed-off-by: Chukun Pan <amadeus@jmu.edu.cn>
Link: https://lore.kernel.org/r/20250401100020.944658-4-amadeus@jmu.edu.cn
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
This commit is contained in:
Chukun Pan 2025-04-01 18:00:20 +08:00 • committed by Heiko Stuebner
parent 762b1f6503
commit ab6fcb58ae
1 changed files with 8 additions and 0 deletions
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8
arch/arm64/boot/dts/rockchip/rk3528.dtsi
View file

@ -375,6 +375,7 @@
clocks = <&cru SCLK_UART0>, <&cru PCLK_UART0>;
clock-names = "baudclk", "apb_pclk";
interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>;
dmas = <&dmac 8>, <&dmac 9>;
reg-io-width = <4>;
reg-shift = <2>;
status = "disabled";
@ -386,6 +387,7 @@
clocks = <&cru SCLK_UART1>, <&cru PCLK_UART1>;
clock-names = "baudclk", "apb_pclk";
interrupts = <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>;
dmas = <&dmac 10>, <&dmac 11>;
reg-io-width = <4>;
reg-shift = <2>;
status = "disabled";
@ -397,6 +399,7 @@
clocks = <&cru SCLK_UART2>, <&cru PCLK_UART2>;
clock-names = "baudclk", "apb_pclk";
interrupts = <GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>;
dmas = <&dmac 12>, <&dmac 13>;
reg-io-width = <4>;
reg-shift = <2>;
status = "disabled";
@ -408,6 +411,7 @@
clocks = <&cru SCLK_UART3>, <&cru PCLK_UART3>;
clock-names = "baudclk", "apb_pclk";
interrupts = <GIC_SPI 43 IRQ_TYPE_LEVEL_HIGH>;
dmas = <&dmac 14>, <&dmac 15>;
reg-io-width = <4>;
reg-shift = <2>;
status = "disabled";
@ -419,6 +423,7 @@
clocks = <&cru SCLK_UART4>, <&cru PCLK_UART4>;
clock-names = "baudclk", "apb_pclk";
interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>;
dmas = <&dmac 16>, <&dmac 17>;
reg-io-width = <4>;
reg-shift = <2>;
status = "disabled";
@ -430,6 +435,7 @@
clocks = <&cru SCLK_UART5>, <&cru PCLK_UART5>;
clock-names = "baudclk", "apb_pclk";
interrupts = <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>;
dmas = <&dmac 18>, <&dmac 19>;
reg-io-width = <4>;
reg-shift = <2>;
status = "disabled";
@ -441,6 +447,7 @@
clocks = <&cru SCLK_UART6>, <&cru PCLK_UART6>;
clock-names = "baudclk", "apb_pclk";
interrupts = <GIC_SPI 46 IRQ_TYPE_LEVEL_HIGH>;
dmas = <&dmac 20>, <&dmac 21>;
reg-io-width = <4>;
reg-shift = <2>;
status = "disabled";
@ -452,6 +459,7 @@
clocks = <&cru SCLK_UART7>, <&cru PCLK_UART7>;
clock-names = "baudclk", "apb_pclk";
interrupts = <GIC_SPI 47 IRQ_TYPE_LEVEL_HIGH>;
dmas = <&dmac 22>, <&dmac 23>;
reg-io-width = <4>;
reg-shift = <2>;
status = "disabled";