From: Marcus Folkesson <marcus.folkesson@gmail.com>
To: Linus Walleij <linus.walleij@linaro.org>,
Bartosz Golaszewski <brgl@bgdev.pl>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Maxime Ripard <mripard@kernel.org>
Cc: linux-gpio@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
Marcus Folkesson <marcus.folkesson@gmail.com>
Subject: [PATCH 2/2] dt-bindings: gpio: fairchild,74hc595: add strobe-gpios property
Date: Thu, 21 Jul 2022 11:34:22 +0200 [thread overview]
Message-ID: <20220721093422.2173982-2-marcus.folkesson@gmail.com> (raw)
In-Reply-To: <20220721093422.2173982-1-marcus.folkesson@gmail.com>
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
next prev parent reply other threads:[~2022-07-21 9:31 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-21 9:34 [PATCH 1/2] gpio: gpio-74x164: add support for CDx4HC4094 Marcus Folkesson
2022-07-21 9:34 ` Marcus Folkesson [this message]
2022-07-21 10:03 ` [PATCH 2/2] dt-bindings: gpio: fairchild,74hc595: add strobe-gpios property Krzysztof Kozlowski
2022-07-26 7:48 ` Linus Walleij
2022-07-21 11:53 ` [PATCH 1/2] gpio: gpio-74x164: add support for CDx4HC4094 Alexander Dahl
2022-07-25 9:32 ` Andy Shevchenko
2022-07-25 9:34 ` Andy Shevchenko
2022-07-25 11:24 ` Marcus Folkesson
2022-07-25 13:54 ` Linus Walleij
2022-07-25 20:41 ` Andy Shevchenko
2022-07-25 20:48 ` Andy Shevchenko
2022-07-25 22:22 ` Linus Walleij
2022-07-26 6:54 ` Andy Shevchenko
2022-07-26 7:00 ` Andy Shevchenko
2022-07-26 7:02 ` Andy Shevchenko
2022-07-26 7:23 ` Linus Walleij
2022-07-26 7:30 ` Andy Shevchenko
2022-07-26 8:28 ` Linus Walleij
2022-07-26 9:03 ` Andy Shevchenko
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