linux-kernel - [PATCH v3 1/5] dt-bindings: mfd: maxim,max77759: reference power-supply schema and add regulator property

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Message-Id: <20251227-max77759-charger-v3-1-54e664f5ca92@google.com>
Date: Sat, 27 Dec 2025 00:04:21 +0000
From: Amit Sunil Dhamne via B4 Relay <devnull+amitsd.google.com@...nel.org>
To: Sebastian Reichel <sre@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 André Draszik <andre.draszik@...aro.org>, 
 Lee Jones <lee@...nel.org>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 Badhri Jagan Sridharan <badhri@...gle.com>, 
 Heikki Krogerus <heikki.krogerus@...ux.intel.com>, 
 Peter Griffin <peter.griffin@...aro.org>, 
 Tudor Ambarus <tudor.ambarus@...aro.org>, 
 Alim Akhtar <alim.akhtar@...sung.com>
Cc: linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-usb@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, linux-samsung-soc@...r.kernel.org, 
 RD Babiera <rdbabiera@...gle.com>, Kyle Tso <kyletso@...gle.com>, 
 Amit Sunil Dhamne <amitsd@...gle.com>
Subject: [PATCH v3 1/5] dt-bindings: mfd: maxim,max77759: reference
 power-supply schema and add regulator property

From: Amit Sunil Dhamne <amitsd@...gle.com>

Extend the max77759 binding to reference power-supply schema, so that
PMIC node can reference its supplier. Also, add regulator property to
control CHGIN (OTG) voltage.

Signed-off-by: Amit Sunil Dhamne <amitsd@...gle.com>
---
 .../devicetree/bindings/mfd/maxim,max77759.yaml          | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/mfd/maxim,max77759.yaml b/Documentation/devicetree/bindings/mfd/maxim,max77759.yaml
index 525de9ab3c2b..42e4a84d5204 100644
--- a/Documentation/devicetree/bindings/mfd/maxim,max77759.yaml
+++ b/Documentation/devicetree/bindings/mfd/maxim,max77759.yaml
@@ -16,6 +16,9 @@ description: |
   The MAX77759 includes Battery Charger, Fuel Gauge, temperature sensors, USB
   Type-C Port Controller (TCPC), NVMEM, and a GPIO expander.
 
+allOf:
+  - $ref: /schemas/power/supply/power-supply.yaml#
+
 properties:
   compatible:
     const: maxim,max77759
@@ -37,12 +40,18 @@ properties:
   nvmem-0:
     $ref: /schemas/nvmem/maxim,max77759-nvmem.yaml
 
+  chgin-otg-regulator:
+    type: object
+    description: Provides Boost for sourcing VBUS.
+    $ref: /schemas/regulator/regulator.yaml#
+    unevaluatedProperties: false
+
 required:
   - compatible
   - interrupts
   - reg
 
-additionalProperties: false
+unevaluatedProperties: false
 
 examples:
   - |
@@ -59,6 +68,11 @@ examples:
 
             interrupt-controller;
             #interrupt-cells = <2>;
+            power-supplies = <&maxtcpci>;
+
+            chgin-otg-regulator {
+                regulator-name = "chgin-otg";
+            };
 
             gpio {
                 compatible = "maxim,max77759-gpio";

-- 
2.52.0.351.gbe84eed79e-goog