Some shift registers (74hc4094 for example) has a strobe signal to latch
data from the serial input to the parallel output.
Add an optional strobe-gpios property to support those chips.
Signed-off-by: Marcus Folkesson <marcus.folkesson@xxxxxxxxx>
---
.../devicetree/bindings/gpio/fairchild,74hc595.yaml | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/Documentation/devicetree/bindings/gpio/fairchild,74hc595.yaml b/Documentation/devicetree/bindings/gpio/fairchild,74hc595.yaml
index a99e7842ca17..9893df9ae22c 100644
--- a/Documentation/devicetree/bindings/gpio/fairchild,74hc595.yaml
+++ b/Documentation/devicetree/bindings/gpio/fairchild,74hc595.yaml
@@ -14,6 +14,8 @@ properties:
enum:
- fairchild,74hc595
- nxp,74lvc594
+ - ti,cd54hc4094
+ - ti,cd74hc4094
reg:
maxItems: 1
@@ -33,6 +35,10 @@ properties:
description: GPIO connected to the OE (Output Enable) pin.
maxItems: 1
+ strobe-gpios:
+ description: GPIO connected to the STROBE pin
+ maxItems: 1
+
spi-max-frequency: true
patternProperties:
--
2.36.1
