From 09a5ae80be1caf42418045448fb291388a1b16c6 Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Fri, 11 Jul 2014 14:41:03 +0530 Subject: [PATCH] spi: samsung: Update binding documentation Samsung SPI driver uses generic DMA bindings. Update the documentation accordingly. Signed-off-by: Sachin Kamat Signed-off-by: Mark Brown --- .../devicetree/bindings/spi/spi-samsung.txt | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/Documentation/devicetree/bindings/spi/spi-samsung.txt b/Documentation/devicetree/bindings/spi/spi-samsung.txt index 86aa061f069f..655b6654dc45 100644 --- a/Documentation/devicetree/bindings/spi/spi-samsung.txt +++ b/Documentation/devicetree/bindings/spi/spi-samsung.txt @@ -18,14 +18,11 @@ Required SoC Specific Properties: - interrupts: The interrupt number to the cpu. The interrupt specifier format depends on the interrupt controller. -[PRELIMINARY: the dma channel allocation will change once there are -official DMA bindings] +- dmas : Two or more DMA channel specifiers following the convention outlined + in bindings/dma/dma.txt -- tx-dma-channel: The dma channel specifier for tx operations. The format of - the dma specifier depends on the dma controller. - -- rx-dma-channel: The dma channel specifier for rx operations. The format of - the dma specifier depends on the dma controller. +- dma-names: Names for the dma channels. There must be at least one channel + named "tx" for transmit and named "rx" for receive. Required Board Specific Properties: @@ -74,8 +71,11 @@ Example: compatible = "samsung,exynos4210-spi"; reg = <0x12d20000 0x100>; interrupts = <0 66 0>; - tx-dma-channel = <&pdma0 5>; - rx-dma-channel = <&pdma0 4>; + dmas = <&pdma0 5 + &pdma0 4>; + dma-names = "tx", "rx"; + #address-cells = <1>; + #size-cells = <0>; }; - Board Specific Portion: -- 2.20.1