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authorLudovic Barre <ludovic.barre@st.com>2019-06-27 09:43:58 +0200
committerMark Brown <broonie@kernel.org>2019-06-28 15:25:29 +0100
commitcae86eac98cd90934f94072028c362550338e084 (patch)
tree35351e4e609bcfb44e260d2c824431c6f39ceb2c /Documentation/devicetree/bindings/spi
parentspi/acpi: avoid spurious matches during slave enumeration (diff)
downloadlinux-dev-cae86eac98cd90934f94072028c362550338e084.tar.xz
linux-dev-cae86eac98cd90934f94072028c362550338e084.zip
dt-bindings: spi: stm32-qspi: add dma properties
This patch adds description of dma properties (optional). Signed-off-by: Ludovic Barre <ludovic.barre@st.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/spi')
-rw-r--r--Documentation/devicetree/bindings/spi/spi-stm32-qspi.txt5
1 files changed, 4 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/spi/spi-stm32-qspi.txt b/Documentation/devicetree/bindings/spi/spi-stm32-qspi.txt
index adeeb63e84b9..bfc038b9478d 100644
--- a/Documentation/devicetree/bindings/spi/spi-stm32-qspi.txt
+++ b/Documentation/devicetree/bindings/spi/spi-stm32-qspi.txt
@@ -19,8 +19,11 @@ Required properties:
- reg: chip-Select number (QSPI controller may connect 2 flashes)
- spi-max-frequency: max frequency of spi bus
-Optional property:
+Optional properties:
- spi-rx-bus-width: see ./spi-bus.txt for the description
+- dmas: DMA specifiers for tx and rx dma. See the DMA client binding,
+Documentation/devicetree/bindings/dma/dma.txt.
+- dma-names: DMA request names should include "tx" and "rx" if present.
Example: