From: Chukun Pan <amadeus@jmu.edu.cn>
Date: Tue, 1 Apr 2025 10:00:20 +0000 (+0800)
Subject: arm64: dts: rockchip: Add UART DMA support for RK3528
X-Git-Tag: v6.16-rc1~97^2~40^2~38
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=ab6fcb58aedf7df1d146b47d5fedd844a7c346e2;p=thirdparty%2Fkernel%2Flinux.git

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: 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>
---

diff --git a/arch/arm64/boot/dts/rockchip/rk3528.dtsi b/arch/arm64/boot/dts/rockchip/rk3528.dtsi
index 9c60bb4146383..826f9be0be197 100644
--- a/arch/arm64/boot/dts/rockchip/rk3528.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3528.dtsi
@@ -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";