Add properties update and new sram property necessary in order to enable the DMA-MDMA chaining.
Signed-off-by: Alain Volmat alain.volmat@foss.st.com --- Documentation/devicetree/bindings/media/st,stm32-dcmi.yaml | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/media/st,stm32-dcmi.yaml b/Documentation/devicetree/bindings/media/st,stm32-dcmi.yaml index 34147127192f..ccaa2d0a2669 100644 --- a/Documentation/devicetree/bindings/media/st,stm32-dcmi.yaml +++ b/Documentation/devicetree/bindings/media/st,stm32-dcmi.yaml @@ -27,11 +27,14 @@ properties: - const: mclk
dmas: - maxItems: 1 + minItems: 1 + maxItems: 2
dma-names: items: - const: tx + - const: mdma_tx + minItems: 1
resets: maxItems: 1 @@ -40,6 +43,14 @@ properties: minItems: 1 maxItems: 2
+ sram: + $ref: /schemas/types.yaml#/definitions/phandle + description: + phandles to a reserved SRAM region which is used as temporary + storage memory between DMA and MDMA engines. + The region should be defined as child nodes of the AHB SRAM node + as per the generic bindings in Documentation/devicetree/bindings/sram/sram.yaml + port: $ref: /schemas/graph.yaml#/$defs/port-base unevaluatedProperties: false