| Message ID | 20200508132943.9826-3-Sergey.Semin@baikalelectronics.ru |
|---|---|
| State | New |
| Headers | show |
| Series | [v2,01/19] dt-bindings: spi: dw: Add Tx/Rx DMA properties | expand |
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
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 <Sergey.Semin@baikalelectronics.ru> Cc: Georgy Vlasov <Georgy.Vlasov@baikalelectronics.ru> Cc: Ramil Zaripov <Ramil.Zaripov@baikalelectronics.ru> Cc: Alexey Malahov <Alexey.Malahov@baikalelectronics.ru> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Paul Burton <paulburton@kernel.org> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Allison Randal <allison@lohutok.net> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Gareth Williams <gareth.williams.jx@renesas.com> Cc: linux-mips@vger.kernel.org --- .../devicetree/bindings/spi/snps,dw-apb-ssi.yaml | 10 ++++++++++ 1 file changed, 10 insertions(+)