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Date: Sun, 17 Sep 2017 05:19:56 +0200
From: Stefan Brüns <stefan.bruens@...h-aachen.de>
To: <linux-sunxi@...glegroups.com>
CC: <devicetree@...r.kernel.org>, <dmaengine@...r.kernel.org>,
Vinod Koul <vinod.koul@...el.com>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>,
Maxime Ripard <maxime.ripard@...e-electrons.com>,
Chen-Yu Tsai <wens@...e.org>, Rob Herring <robh+dt@...nel.org>,
Code Kipper <codekipper@...il.com>,
Andre Przywara <andre.przywara@....com>
Subject: [PATCH v2 10/10] arm64: allwinner: a64: add dma controller references to spi nodes
The spi controller nodes omit the dma controller/channel references, add
it.
This does not yet enable DMA for SPI transfers, as the spi-sun6i driver
lacks support for DMA, but always uses PIO to the FIFO.
Signed-off-by: Stefan Brüns <stefan.bruens@...h-aachen.de>
---
arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
index 4f060ecdb061..ec71c48b393d 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
@@ -476,6 +476,8 @@
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>;
@@ -491,6 +493,8 @@
interrupts = <GIC_SPI 66 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&ccu CLK_BUS_SPI1>, <&ccu CLK_SPI1>;
clock-names = "ahb", "mod";
+ dmas = <&dma 24>, <&dma 24>;
+ dma-names = "rx", "tx";
pinctrl-names = "default";
pinctrl-0 = <&spi1_pins>;
resets = <&ccu RST_BUS_SPI1>;
--
2.14.1
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