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Groups > linux.kernel > #1741134
| From | Stefan Brüns <stefan.bruens@rwth-aachen.de> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v4 10/11] arm64: allwinner: a64: add dma controller references to spi nodes |
| Date | 2017-09-28 04:00 +0200 |
| Message-ID | <uuwhk-2rO-15@gated-at.bofh.it> (permalink) |
| References | <uuw7E-2ov-9@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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@rwth-aachen.de> --- Changes in v4: None Changes in v3: None Changes in v2: None 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 cbffefce0e71..a6a5a40d76d0 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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[PATCH v4 10/11] arm64: allwinner: a64: add dma controller references to spi nodes Stefan Brüns <stefan.bruens@rwth-aachen.de> - 2017-09-28 04:00 +0200
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