linux-kernel - [PATCH 1/3] dt-bindings: mfd: x-powers,axp152: Document AXP318W

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Message-Id: <20251021112013.2710903-2-andre.przywara@arm.com>
Date: Tue, 21 Oct 2025 12:20:10 +0100
From: Andre Przywara <andre.przywara@....com>
To: Lee Jones <lee@...nel.org>,
	Chen-Yu Tsai <wens@...nel.org>,
	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	Samuel Holland <samuel@...lland.org>,
	Jernej Skrabec <jernej.skrabec@...il.com>
Cc: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Yixun Lan <dlan@...too.org>,
	devicetree@...r.kernel.org,
	linux-sunxi@...ts.linux.dev,
	linux-kernel@...r.kernel.org
Subject: [PATCH 1/3] dt-bindings: mfd: x-powers,axp152: Document AXP318W

The X-Powers AXP318W is a PMIC used on some newer Allwinner devices.
Among a large number of both DCDC and LDO regulators it features the usual
ADC/IRQ/power key parts.
Like other recent PMICs, it lacks the DC/DC converter PWM frequency control
register, that rate is fixed here (1.5MHz on DCDC1, 3 MHz on the others).

Add the new compatible string, and add that to the list of PMICs without
the PWM frequency property.
Also add more input supply properties, for the split DCDC and ALDO
supplies.
The PMIC features *two* switched outputs, hanging of DCDC1, and the
manual calls them swout1 and swout2, so follow suit here and add those
names to the pattern for matching the node names.

Signed-off-by: Andre Przywara <andre.przywara@....com>
---
 .../bindings/mfd/x-powers,axp152.yaml         | 28 ++++++++++++++++++-
 1 file changed, 27 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/mfd/x-powers,axp152.yaml b/Documentation/devicetree/bindings/mfd/x-powers,axp152.yaml
index 45f015d63df16..1bed19fc91ec4 100644
--- a/Documentation/devicetree/bindings/mfd/x-powers,axp152.yaml
+++ b/Documentation/devicetree/bindings/mfd/x-powers,axp152.yaml
@@ -83,6 +83,7 @@ allOf:
           contains:
             enum:
               - x-powers,axp313a
+              - x-powers,axp318w
               - x-powers,axp323
               - x-powers,axp15060
               - x-powers,axp717
@@ -102,6 +103,7 @@ properties:
           - x-powers,axp221
           - x-powers,axp223
           - x-powers,axp313a
+          - x-powers,axp318w
           - x-powers,axp323
           - x-powers,axp717
           - x-powers,axp803
@@ -156,10 +158,18 @@ properties:
     description: >
       DCDC1 power supply node, if present.
 
+  vin19-supply:
+    description: >
+      Combined DCDC1/DCDC9 power supply node, if present.
+
   vin2-supply:
     description: >
       DCDC2 power supply node, if present.
 
+  vin23-supply:
+    description: >
+      Combined DCDC2/DCDC3 power supply node, if present.
+
   vin3-supply:
     description: >
       DCDC3 power supply node, if present.
@@ -168,6 +178,10 @@ properties:
     description: >
       DCDC4 power supply node, if present.
 
+  vin45-supply:
+    description: >
+      Combined DCDC4/DCDC5 power supply node, if present.
+
   vin5-supply:
     description: >
       DCDC5 power supply node, if present.
@@ -176,6 +190,10 @@ properties:
     description: >
       DCDC6 power supply node, if present.
 
+  vin678-supply:
+    description: >
+      Combined DCDC6/DCDC7/DCDC8 power supply node, if present.
+
   vin7-supply:
     description: >
       DCDC7 power supply node, if present.
@@ -220,6 +238,14 @@ properties:
     description: >
       ALDO* power supply node, if present.
 
+  aldo156in-supply:
+    description: >
+      ALDO* power supply node, if present.
+
+  aldo234in-supply:
+    description: >
+      ALDO* power supply node, if present.
+
   bldoin-supply:
     description: >
       BLDO* power supply node, if present.
@@ -277,7 +303,7 @@ properties:
           Defines the work frequency of DC-DC in kHz.
 
     patternProperties:
-      "^(([a-f])?ldo[0-9]|dcdc[0-7a-e]|ldo(_|-)io(0|1)|(dc1)?sw|rtc(_|-)ldo|cpusldo|drivevbus|dc5ldo|boost)$":
+      "^(([a-f])?ldo[0-9]|dcdc[0-7a-e]|ldo(_|-)io(0|1)|(dc1)?sw|swout[1-9]|rtc(_|-)ldo|cpusldo|drivevbus|dc5ldo|boost)$":
         $ref: /schemas/regulator/regulator.yaml#
         type: object
         unevaluatedProperties: false
-- 
2.25.1