Re: [PATCH 4/7] dt-bindings: fsi: fsi2spi: Document new restricted property
From: Rob Herring <robh@kernel.org>
Date: 2020-09-08 20:44:41
Also in:
linux-spi, lkml
On Thu, Aug 20, 2020 at 12:02:25PM -0500, Eddie James wrote:
quoted hunk ↗ jump to hunk
Add documentation for the "fsi2spi,restricted" property which indicates a controller shouldn't sequence loops and therefore has a smaller transfer size. Signed-off-by: Eddie James <eajames@linux.ibm.com> Acked-by: Joel Stanley <joel@jms.id.au> Signed-off-by: Joel Stanley <joel@jms.id.au> --- Documentation/devicetree/bindings/fsi/ibm,fsi2spi.yaml | 10 ++++++++++ 1 file changed, 10 insertions(+)diff --git a/Documentation/devicetree/bindings/fsi/ibm,fsi2spi.yaml b/Documentation/devicetree/bindings/fsi/ibm,fsi2spi.yaml index b26d4b4be743..0d2fb071fd00 100644 --- a/Documentation/devicetree/bindings/fsi/ibm,fsi2spi.yaml +++ b/Documentation/devicetree/bindings/fsi/ibm,fsi2spi.yaml@@ -24,6 +24,16 @@ properties: items: - description: FSI slave address +patternProperties: + "^spi(@.*|-[0-9a-f])*$":
Doesn't FSI define the unit-address format already? No need to do it again here. Plus the form 'spi-[0-9a-f]' isn't valid. Just "^spi@" should be enough.
+ type: object + + properties: + fsi2spi,restricted:
[<vendor>],<property-name> fsi2spi is not a vendor.
+ description: indicates the controller should not use looping in the + sequencer and therefore has a smaller maximum transfer size + type: boolean + required: - compatible - reg -- 2.26.2