| Message ID | 20201203140531.74470-3-alexandru.ardelean@analog.com (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | [v4,1/3] spi: uapi: unify SPI modes into a single spi.h header | expand |
On Thu, 03 Dec 2020 16:05:31 +0200, Alexandru Ardelean wrote: > Following a change to the SPI framework, providing a value of zero for > 'spi-rx-bus-width' and 'spi-tx-bus-width' is now possible and will > essentially mean that no RX or TX is allowed. > > Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com> > --- > > Changelog v3 -> v4: > * https://lore.kernel.org/linux-spi/20201127130834.136348-3-alexandru.ardelean@analog.com/ > * fix typos > > Documentation/devicetree/bindings/spi/spi-controller.yaml | 6 ++++-- > 1 file changed, 4 insertions(+), 2 deletions(-) > Reviewed-by: Rob Herring <robh@kernel.org>
diff --git a/Documentation/devicetree/bindings/spi/spi-controller.yaml b/Documentation/devicetree/bindings/spi/spi-controller.yaml index 1b56d5e40f1f..cf663e4a4afe 100644 --- a/Documentation/devicetree/bindings/spi/spi-controller.yaml +++ b/Documentation/devicetree/bindings/spi/spi-controller.yaml @@ -125,8 +125,9 @@ patternProperties: spi-rx-bus-width: description: Bus width to the SPI bus used for read transfers. + If 0 is provided, then no RX will be possible on this device. $ref: /schemas/types.yaml#/definitions/uint32 - enum: [1, 2, 4, 8] + enum: [0, 1, 2, 4, 8] default: 1 spi-rx-delay-us: @@ -136,8 +137,9 @@ patternProperties: spi-tx-bus-width: description: Bus width to the SPI bus used for write transfers. + If 0 is provided, then no TX will be possible on this device. $ref: /schemas/types.yaml#/definitions/uint32 - enum: [1, 2, 4, 8] + enum: [0, 1, 2, 4, 8] default: 1 spi-tx-delay-us:
Following a change to the SPI framework, providing a value of zero for 'spi-rx-bus-width' and 'spi-tx-bus-width' is now possible and will essentially mean that no RX or TX is allowed. Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com> --- Changelog v3 -> v4: * https://lore.kernel.org/linux-spi/20201127130834.136348-3-alexandru.ardelean@analog.com/ * fix typos Documentation/devicetree/bindings/spi/spi-controller.yaml | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)