Commit ab6fcb58 authored by Chukun Pan's avatar Chukun Pan Committed by Heiko Stuebner
Browse files

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



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

Signed-off-by: default avatarChukun Pan <amadeus@jmu.edu.cn>
Link: https://lore.kernel.org/r/20250401100020.944658-4-amadeus@jmu.edu.cn


Signed-off-by: default avatarHeiko Stuebner <heiko@sntech.de>
parent 762b1f65

arch/arm64/boot/dts/rockchip/rk3528.dtsi

+8 −0
Original line number Diff line number Diff line
@@ -375,6 +375,7 @@ uart0: serial@ff9f0000 { 
			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 @@ uart1: serial@ff9f8000 { 
			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 @@ uart2: serial@ffa00000 { 
			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 @@ uart3: serial@ffa08000 { 
			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 @@ uart4: serial@ffa10000 { 
			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 @@ uart5: serial@ffa18000 { 
			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 @@ uart6: serial@ffa20000 { 
			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 @@ uart7: serial@ffa28000 { 
			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";