diff mbox series

[4/5] spi: dt-bindings: Add hold/inactive CS delay peripheral properties

Message ID 20230104093631.15611-5-marcan@marcan.st
State New
Headers
Series SPI core CS delay fixes and additions |

Commit Message

Hector Martin Jan. 4, 2023, 9:36 a.m. UTC 
  From: Janne Grunau <j@jannau.net>

These two properties complete the bindings for the Linux spi_device cs
model, which includes cs_setup, cs_hold and cs_inactive delay values.

Signed-off-by: Janne Grunau <j@jannau.net>
Signed-off-by: Hector Martin <marcan@marcan.st>
---
 .../devicetree/bindings/spi/spi-peripheral-props.yaml  | 10 ++++++++++
 1 file changed, 10 insertions(+)

Comments

Rob Herring Jan. 8, 2023, 9:31 p.m. UTC | #1 
On Wed, 04 Jan 2023 18:36:30 +0900, Hector Martin wrote:
> From: Janne Grunau <j@jannau.net>
> 
> These two properties complete the bindings for the Linux spi_device cs
> model, which includes cs_setup, cs_hold and cs_inactive delay values.
> 
> Signed-off-by: Janne Grunau <j@jannau.net>
> Signed-off-by: Hector Martin <marcan@marcan.st>
> ---
>  .../devicetree/bindings/spi/spi-peripheral-props.yaml  | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 

Reviewed-by: Rob Herring <robh@kernel.org>
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml b/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml
index 9a60c0664bbe..782a014b63a7 100644
--- a/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml
+++ b/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml
@@ -49,6 +49,16 @@  properties:
       Delay in nanoseconds to be introduced by the controller after CS is
       asserted.
 
+  spi-cs-hold-delay-ns:
+    description:
+      Delay in nanoseconds to be introduced by the controller before CS is
+      de-asserted.
+
+  spi-cs-inactive-delay-ns:
+    description:
+      Delay in nanoseconds to be introduced by the controller after CS is
+      de-asserted.
+
   spi-rx-bus-width:
     description:
       Bus width to the SPI bus used for read transfers.