Thread (11 messages) 11 messages, 3 authors, 2021-05-18
STALE1856d LANDED
Revisions (3)
  1. v1 [diff vs current]
  2. v2 [diff vs current]
  3. v3 current

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

From: Tobias Schramm <t.schramm@manjaro.org>
Date: 2021-05-14 13:42:51
Also in: linux-arm-kernel, linux-sunxi, lkml
Subsystem: the rest · Maintainer: Linus Torvalds

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@manjaro.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@1c15000 {
 			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@1c28000 {
 			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@1c28400 {
 			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@1c28800 {
 			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@1c68000 {
 			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
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