Since DW SPI controller may use DW DMA engine to perform the CPU-less Tx/Rx SPI transfers and the DW SPI driver now supports it, lets alter the DW SPI bindings file to accept the Rx and Tx DMA line specifiers.
Signed-off-by: Serge Semin <[email protected]> Cc: Georgy Vlasov <[email protected]> Cc: Ramil Zaripov <[email protected]> Cc: Alexey Malahov <[email protected]> Cc: Thomas Bogendoerfer <[email protected]> Cc: Paul Burton <[email protected]> Cc: Ralf Baechle <[email protected]> Cc: Arnd Bergmann <[email protected]> Cc: Allison Randal <[email protected]> Cc: Andy Shevchenko <[email protected]> Cc: Gareth Williams <[email protected]> Cc: [email protected] --- .../devicetree/bindings/spi/snps,dw-apb-ssi.yaml | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml b/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml index e2f6d8aa6181..454208842084 100644 --- a/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml +++ b/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml @@ -73,6 +73,16 @@ properties: minimum: 1 maximum: 4 + dmas: + items: + - description: TX DMA Channel + - description: RX DMA Channel + + dma-names: + items: + - const: tx + - const: rx + patternProperties: "^.*@[0-9a-f]+$": type: object -- 2.25.1
