linux-kernel - [PATCH v3 2/7] ARM: dts: sun8i: v3s: add DMA properties to peripherals supporting DMA

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Date:   Fri, 14 May 2021 15:44:00 +0200
From:   Tobias Schramm <t.schramm@...jaro.org>
To:     Jernej Škrabec <jernej.skrabec@...il.com>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org
Cc:     Maxime Ripard <mripard@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
        linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev,
        linux-kernel@...r.kernel.org,
        Tobias Schramm <t.schramm@...jaro.org>
Subject: [PATCH v3 2/7] ARM: dts: sun8i: v3s: add DMA properties to peripherals supporting DMA

This commit adds DMA properties to all peripherals supporting DMA on the
Allwinner V3s, enabling accelerated data transfer to them.

Signed-off-by: Tobias Schramm <t.schramm@...jaro.org>
---
 arch/arm/boot/dts/sun8i-v3s.dtsi | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm/boot/dts/sun8i-v3s.dtsi b/arch/arm/boot/dts/sun8i-v3s.dtsi
index f0296ab46137..3eaa8703e2ac 100644
--- a/arch/arm/boot/dts/sun8i-v3s.dtsi
+++ b/arch/arm/boot/dts/sun8i-v3s.dtsi
@@ -285,6 +285,8 @@ crypto@...5000 {
 			interrupts = <GIC_SPI 80 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&ccu CLK_BUS_CE>, <&ccu CLK_CE>;
 			clock-names = "ahb", "mod";
+			dmas = <&dma 16>, <&dma 16>;
+			dma-names = "rx", "tx";
 			resets = <&ccu RST_BUS_CE>;
 			reset-names = "ahb";
 		};
@@ -446,6 +448,8 @@ uart0: serial@...8000 {
 			reg-shift = <2>;
 			reg-io-width = <4>;
 			clocks = <&ccu CLK_BUS_UART0>;
+			dmas = <&dma 6>, <&dma 6>;
+			dma-names = "rx", "tx";
 			resets = <&ccu RST_BUS_UART0>;
 			status = "disabled";
 		};
@@ -457,6 +461,8 @@ uart1: serial@...8400 {
 			reg-shift = <2>;
 			reg-io-width = <4>;
 			clocks = <&ccu CLK_BUS_UART1>;
+			dmas = <&dma 7>, <&dma 7>;
+			dma-names = "rx", "tx";
 			resets = <&ccu RST_BUS_UART1>;
 			status = "disabled";
 		};
@@ -468,6 +474,8 @@ uart2: serial@...8800 {
 			reg-shift = <2>;
 			reg-io-width = <4>;
 			clocks = <&ccu CLK_BUS_UART2>;
+			dmas = <&dma 8>, <&dma 8>;
+			dma-names = "rx", "tx";
 			resets = <&ccu RST_BUS_UART2>;
 			pinctrl-0 = <&uart2_pins>;
 			pinctrl-names = "default";
@@ -547,6 +555,8 @@ spi0: spi@...8000 {
 			interrupts = <GIC_SPI 65 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&ccu CLK_BUS_SPI0>, <&ccu CLK_SPI0>;
 			clock-names = "ahb", "mod";
+			dmas = <&dma 23>, <&dma 23>;
+			dma-names = "rx", "tx";
 			pinctrl-names = "default";
 			pinctrl-0 = <&spi0_pins>;
 			resets = <&ccu RST_BUS_SPI0>;
-- 
2.31.1