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authorGeert Uytterhoeven <geert+renesas@glider.be>2014-08-06 16:59:02 +0400
committerMark Brown <broonie@linaro.org>2014-08-17 02:14:09 +0400
commite825b8dd2b363e9134006fb141825518a11b2bf4 (patch)
tree0a472255d8315b5d230e4eed4ee75410738f798d /Documentation/devicetree/bindings/spi/spi-rspi.txt
parenta30b95a7d81cfc3442beb5a9635f22b19c97bbfc (diff)
downloadlinux-e825b8dd2b363e9134006fb141825518a11b2bf4.tar.xz
spi: rspi: Add DT support to DMA setup
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'Documentation/devicetree/bindings/spi/spi-rspi.txt')
-rw-r--r--Documentation/devicetree/bindings/spi/spi-rspi.txt5
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/spi/spi-rspi.txt b/Documentation/devicetree/bindings/spi/spi-rspi.txt
index d57d82a74054..f9929aceeacc 100644
--- a/Documentation/devicetree/bindings/spi/spi-rspi.txt
+++ b/Documentation/devicetree/bindings/spi/spi-rspi.txt
@@ -30,6 +30,9 @@ Required properties:
Optional properties:
- clocks : Must contain a reference to the functional clock.
+- dmas : Must contain a list of two references to DMA specifiers,
+ one for transmission, and one for reception.
+- dma-names : Must contain a list of two DMA names, "tx" and "rx".
Pinctrl properties might be needed, too. See
Documentation/devicetree/bindings/pinctrl/renesas,*.
@@ -58,4 +61,6 @@ Examples:
num-cs = <1>;
#address-cells = <1>;
#size-cells = <0>;
+ dmas = <&dmac0 0x17>, <&dmac0 0x18>;
+ dma-names = "tx", "rx";
};