linux-kernel - [PATCH v3 06/20] dt-bindings: mfd: samsung,s2mpg10: Add s2mpg11-pmic

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Message-Id: <20251103-s2mpg1x-regulators-v3-6-b8b96b79e058@linaro.org>
Date: Mon, 03 Nov 2025 19:14:45 +0000
From: André Draszik <andre.draszik@...aro.org>
To: Tudor Ambarus <tudor.ambarus@...aro.org>, Rob Herring <robh@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Krzysztof Kozlowski <krzk@...nel.org>, 
 Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>, 
 Lee Jones <lee@...nel.org>, Linus Walleij <linus.walleij@...aro.org>, 
 Bartosz Golaszewski <brgl@...ev.pl>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>
Cc: Peter Griffin <peter.griffin@...aro.org>, 
 Will McVicker <willmcvicker@...gle.com>, kernel-team@...roid.com, 
 linux-kernel@...r.kernel.org, linux-samsung-soc@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-gpio@...r.kernel.org, 
 André Draszik <andre.draszik@...aro.org>
Subject: [PATCH v3 06/20] dt-bindings: mfd: samsung,s2mpg10: Add
 s2mpg11-pmic

The Samsung S2MPG11 PMIC is similar to the existing S2MPG10 PMIC
supported by this binding.

It is a Power Management IC for mobile applications with buck
converters, various LDOs, power meters, NTC thermistor inputs, and
additional GPIO interfaces and typically complements an S2MPG10 PMIC in
a main/sub configuration as the sub-PMIC.

Like S2MPG10, communication is via the Samsung ACPM firmware and it
therefore needs to be a child of the ACPM firmware node.

Add the PMIC, the regulators node, and the supply inputs of the
regulator rails, with the supply names matching the datasheet.

Note: S2MPG11 is typically used as the sub-PMIC together with an
S2MPG10 PMIC in a main/sub configuration, hence the datasheet and the
binding both suffix the supplies with an 's'.

Signed-off-by: André Draszik <andre.draszik@...aro.org>

---
v3:
- move to new samsung,s2mpg10.yaml file
- deny 'clocks' property
- mention NTC thermistor inputs in commit message
- move all patternProperties to top-level

v2:
- add | to vinb*-supply description for better formatting to mark as
  literal style
- mention GPIOs in commit message
---
 .../devicetree/bindings/mfd/samsung,s2mpg10.yaml   | 49 ++++++++++++++++++++--
 1 file changed, 45 insertions(+), 4 deletions(-)

diff --git a/Documentation/devicetree/bindings/mfd/samsung,s2mpg10.yaml b/Documentation/devicetree/bindings/mfd/samsung,s2mpg10.yaml
index dc06333a4050af69297ac3cae0628a0fffc3fcc9..6f0912989f2eff12d04dea03b3a067529327e8d3 100644
--- a/Documentation/devicetree/bindings/mfd/samsung,s2mpg10.yaml
+++ b/Documentation/devicetree/bindings/mfd/samsung,s2mpg10.yaml
@@ -19,7 +19,9 @@ description: |
 
 properties:
   compatible:
-    const: samsung,s2mpg10-pmic
+    enum:
+      - samsung,s2mpg10-pmic
+      - samsung,s2mpg11-pmic
 
   clocks:
     $ref: /schemas/clock/samsung,s2mps11.yaml
@@ -39,15 +41,15 @@ properties:
   wakeup-source: true
 
 patternProperties:
-  "^vinb([1-9]|10)m-supply$":
+  "^vinb([1-9]|10)[ms]-supply$":
     description:
       Phandle to the power supply for each buck rail of this PMIC. There is a
       1:1 mapping of supply to rail, e.g. vinb1m-supply supplies buck1m.
 
   "^vinl([1-9]|1[0-5])m-supply$":
     description: |
-      Phandle to the power supply for one or multiple LDO rails of this PMIC.
-      The mapping of supply to rail(s) is as follows:
+      Phandle to the power supply for one or multiple LDO rails of the S2MPG10
+      PMIC. The mapping of supply to rail(s) is as follows:
         vinl1m - ldo13m
         vinl2m - ldo15m
         vinl3m - ldo1m, ldo5m, ldo7m
@@ -64,6 +66,25 @@ patternProperties:
         vinl14m - ldo21m
         vinl15m - ldo10m, ldo22m, ldo26m, ldo27m
 
+  "^vinb[abd]-supply$":
+    description: |
+      Phandle to the power supply for the additional buck rails of the S2MPG11
+      PMIC. The mapping of supply to rail is as follows::
+        vinba - bucka
+        vinbb - buck boost
+        vinbd - buckd
+
+  "^vinl[1-6]s-supply$":
+    description: |
+      Phandle to the power supply for one or multiple LDO rails of the S2MPG11
+      PMIC. The mapping of supply to rail(s) is as follows:
+        vinl1s - ldo1s, ldo2s
+        vinl2s - ldo8s, ldo9s
+        vinl3s - ldo3s, ldo5s, ldo7s, ldo15s
+        vinl4s - ldo10s, ldo11s, ldo12s, ldo14s
+        vinl5s - ldo4s, ldo6s
+        vinl6s - ldo13s
+
 required:
   - compatible
   - interrupts
@@ -81,3 +102,23 @@ allOf:
       properties:
         regulators:
           $ref: /schemas/regulator/samsung,s2mpg10-regulator.yaml
+
+      patternProperties:
+        "[^m]-supply$": false
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: samsung,s2mpg11-pmic
+    then:
+      properties:
+        clocks: false
+
+        regulators:
+          $ref: /schemas/regulator/samsung,s2mpg11-regulator.yaml
+
+        system-power-controller: false
+
+      patternProperties:
+        "m-supply$": false

-- 
2.51.2.997.g839fc31de9-goog