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Commit 1ada32ed authored by Andi Shyti's avatar Andi Shyti Committed by Mark Brown
Browse files

spi: s3c64xx: document the clocks and the clock-name property 



These two properties were not documented but used in the spi
dts. Add the related documentation.

Suggested-by: default avatarKrzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: default avatarAndi Shyti <andi.shyti@samsung.com>
Reviewed-by: default avatarMichael Turquette <mturquette@baylibre.com>
Reviewed-by: default avatarKrzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent c068042b

Documentation/devicetree/bindings/spi/spi-samsung.txt

+9 −0
Original line number Diff line number Diff line
@@ -24,6 +24,15 @@ Required SoC Specific Properties: 
- dma-names: Names for the dma channels. There must be at least one channel

  named "tx" for transmit and named "rx" for receive.



- clocks: specifies the clock IDs provided to the SPI controller; they are

  required for interacting with the controller itself, for synchronizing the bus

  and as I/O clock (the latter is required by exynos5433 and exynos7).



- clock-names: string names of the clocks in the 'clocks' property; for all the

  the devices the names must be "spi", "spi_busclkN" (where N is determined by

  "samsung,spi-src-clk"), while Exynos5433 should specify a third clock

  "spi_ioclk" for the I/O clock.



Required Board Specific Properties:



- #address-cells: should be 1.