linux-kernel - [PATCH 2/4] dt-bindings: power: supply: add max77759-fg flavor and don't require nvme address

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Message-Id: <20241202-b4-gs101_max77759_fg-v1-2-98d2fa7bfe30@uclouvain.be>
Date: Mon, 02 Dec 2024 14:07:16 +0100
From: Thomas Antoine via B4 Relay <devnull+t.antoine.uclouvain.be@...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>, Dimitri Fedrau <dima.fedrau@...il.com>, 
 Catalin Marinas <catalin.marinas@....com>, Will Deacon <will@...nel.org>, 
 Peter Griffin <peter.griffin@...aro.org>, 
 Alim Akhtar <alim.akhtar@...sung.com>
Cc: linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-samsung-soc@...r.kernel.org, Thomas Antoine <t.antoine@...ouvain.be>
Subject: [PATCH 2/4] dt-bindings: power: supply: add max77759-fg flavor and
 don't require nvme address

From: Thomas Antoine <t.antoine@...ouvain.be>

As the Maxim max77759 fuel gauge has no non-volatile memory slave address,
make it non-obligatory. Except for this, the max77759 seems to behave the
same as the max1720x.

Signed-off-by: Thomas Antoine <t.antoine@...ouvain.be>
---
 .../devicetree/bindings/power/supply/maxim,max17201.yaml   | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/Documentation/devicetree/bindings/power/supply/maxim,max17201.yaml b/Documentation/devicetree/bindings/power/supply/maxim,max17201.yaml
index fe3dd9bd5585618e45220c51023391a5b21acfd2..417fc2c4a1c1961654bc54ec1ac24602012f3335 100644
--- a/Documentation/devicetree/bindings/power/supply/maxim,max17201.yaml
+++ b/Documentation/devicetree/bindings/power/supply/maxim,max17201.yaml
@@ -16,6 +16,7 @@ properties:
   compatible:
     oneOf:
       - const: maxim,max17201
+      - const: maxim,max77759-fg
       - items:
           - enum:
               - maxim,max17205
@@ -25,11 +26,13 @@ properties:
     items:
       - description: ModelGauge m5 registers
       - description: Nonvolatile registers
+    minItems: 1
 
   reg-names:
     items:
       - const: m5
       - const: nvmem
+    minItems: 1
 
   interrupts:
     maxItems: 1
@@ -56,3 +59,14 @@ examples:
         interrupts = <31 IRQ_TYPE_LEVEL_LOW>;
       };
     };
+  - |
+    i2c {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      fuel-gauge@36 {
+        compatible = "maxim,max77759-fg";
+        reg = <0x36>;
+        reg-names = "m5";
+      };
+    };

-- 
2.47.1