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dt-bindings: spi: stm32-qspi: add dma properties

Message ID 1561621439-7305-1-git-send-email-ludovic.Barre@st.com
State New, archived
Delegated to: Ambarus Tudor
Headers show
Series dt-bindings: spi: stm32-qspi: add dma properties | expand

Commit Message

Ludovic Barre June 27, 2019, 7:43 a.m. UTC 
From: Ludovic Barre <ludovic.barre@st.com>

This patch adds description of dma properties (optional).

Signed-off-by: Ludovic Barre <ludovic.barre@st.com>
---
 Documentation/devicetree/bindings/spi/spi-stm32-qspi.txt | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
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Patch

diff --git a/Documentation/devicetree/bindings/spi/spi-stm32-qspi.txt b/Documentation/devicetree/bindings/spi/spi-stm32-qspi.txt
index adeeb63..bfc038b 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: