path: root/Documentation/devicetree/bindings/spi
diff options
authorDoug Anderson <dianders@chromium.org>2014-09-03 20:44:27 (GMT)
committerMark Brown <broonie@kernel.org>2014-09-04 22:54:15 (GMT)
commit6e3be9bbeaa841eb65fa7570e0c542b2c1483fca (patch)
tree95e748c6b1a2f2aa6d14e0a75c050035e86df4ed /Documentation/devicetree/bindings/spi
parent62946172c81578477fcbb26478aebaa31353488d (diff)
spi/rockchip: Mark DMA as optional
The Rockchip SPI controller works fine without DMA (aside from a few warnings). The DMA property even implies this, saying: DMA request names should include "tx" and "rx" if present. Officially mark the properties as optional. Signed-off-by: Doug Anderson <dianders@chromium.org> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/spi')
1 files changed, 6 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/spi/spi-rockchip.txt b/Documentation/devicetree/bindings/spi/spi-rockchip.txt
index 7bab355..467dec4 100644
--- a/Documentation/devicetree/bindings/spi/spi-rockchip.txt
+++ b/Documentation/devicetree/bindings/spi/spi-rockchip.txt
@@ -16,11 +16,15 @@ Required Properties:
- clocks: Must contain an entry for each entry in clock-names.
- clock-names: Shall be "spiclk" for the transfer-clock, and "apb_pclk" for
the peripheral clock.
+- #address-cells: should be 1.
+- #size-cells: should be 0.
+Optional Properties:
- dmas: DMA specifiers for tx and rx dma. See the DMA client binding,
- dma-names: DMA request names should include "tx" and "rx" if present.
-- #address-cells: should be 1.
-- #size-cells: should be 0.

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