Messages in this thread Patch in this message | | | From | Marcus Folkesson <> | Subject | [PATCH 2/2] dt-bindings: gpio: fairchild,74hc595: add strobe-gpios property | Date | Thu, 21 Jul 2022 11:34:22 +0200 |
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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@gmail.com> --- .../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
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