linux-kernel - [PATCH 1/4] dt-bindings: mfd: sy7636a: Add missing gpio pins and supply

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Message-Id: <20250906-sy7636-rsrc-v1-1-e2886a9763a7@kernel.org>
Date: Sat, 06 Sep 2025 11:09:12 +0200
From: Andreas Kemnade <akemnade@...nel.org>
To: Lee Jones <lee@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Alistair Francis <alistair@...stair23.me>, 
 Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>, 
 Shawn Guo <shawnguo@...nel.org>, Sascha Hauer <s.hauer@...gutronix.de>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Fabio Estevam <festevam@...il.com>
Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org, 
 Andreas Kemnade <akemnade@...nel.org>
Subject: [PATCH 1/4] dt-bindings: mfd: sy7636a: Add missing gpio pins and
 supply

To be able to fully describe how the SY7636A is connected to the system,
add properties for the EN and VCOM_EN pins. To squeeze out every bit
of unused current, in many devices it is possible to power off the
complete chip. Add an input regulator to allow that.

Signed-off-by: Andreas Kemnade <akemnade@...nel.org>
---
 .../devicetree/bindings/mfd/silergy,sy7636a.yaml         | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/Documentation/devicetree/bindings/mfd/silergy,sy7636a.yaml b/Documentation/devicetree/bindings/mfd/silergy,sy7636a.yaml
index ee0be32ac0204..08ad593e237f1 100644
--- a/Documentation/devicetree/bindings/mfd/silergy,sy7636a.yaml
+++ b/Documentation/devicetree/bindings/mfd/silergy,sy7636a.yaml
@@ -32,6 +32,22 @@ properties:
       Specifying the power good GPIOs.
     maxItems: 1
 
+  en-gpios:
+    description:
+      If EN pin is not hardwired, specify it here to have it set up.
+    maxItems: 1
+
+  vcom-en-gpios:
+    description:
+      If VCOM_EN pin is not hardwired, specify it here to have it set up.
+    maxItems: 1
+
+  vin-supply:
+    description:
+      Supply for the chip. Some vendor kernels and devicetrees declare this
+      as a GPIO named "pwrall" which does not exist in the datasheet,
+      disabling it makes the chip disappear on the bus.
+
   regulators:
     type: object
 

-- 
2.39.5