Commit ae241ca5 authored May 11, 2015 by Ezequiel Garcia Committed by Sasha Levin Aug 04, 2015

spi: pl022: Specify 'num-cs' property as required in devicetree binding



[ Upstream commit ea6055c46eda1e19e02209814955e13f334bbe1b ]

Since commit 39a6ac11 ("spi/pl022: Devicetree support w/o platform data")
the 'num-cs' parameter cannot be passed through platform data when probing
with devicetree. Instead, it's a required devicetree property.

Fix the binding documentation so the property is properly specified.

Fixes: 39a6ac11 ("spi/pl022: Devicetree support w/o platform data")
Signed-off-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>

parent 79e215ad

Documentation/devicetree/bindings/spi/spi_pl022.txt

+1 −1

Original line number	Diff line number	Diff line
		@@ -4,9 +4,9 @@ Required properties:
		- compatible : "arm,pl022", "arm,primecell"
		- reg : Offset and length of the register set for the device
		- interrupts : Should contain SPI controller interrupt
		- num-cs : total number of chipselects

		Optional properties:
		- num-cs : total number of chipselects
		- cs-gpios : should specify GPIOs used for chipselects.
		The gpios will be referred to as reg = <index> in the SPI child nodes.
		If unspecified, a single SPI device without a chip select can be used.