linux-kernel - [PATCH 3/6] dt-bindings: nvmem: add max77759 binding

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Message-Id: <20250224-max77759-mfd-v1-3-2bff36f9d055@linaro.org>
Date: Mon, 24 Feb 2025 10:28:51 +0000
From: André Draszik <andre.draszik@...aro.org>
To: Lee Jones <lee@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Linus Walleij <linus.walleij@...aro.org>, 
 Bartosz Golaszewski <brgl@...ev.pl>, 
 Srinivas Kandagatla <srinivas.kandagatla@...aro.org>, 
 Kees Cook <kees@...nel.org>, "Gustavo A. R. Silva" <gustavoars@...nel.org>
Cc: Peter Griffin <peter.griffin@...aro.org>, 
 Tudor Ambarus <tudor.ambarus@...aro.org>, 
 Will McVicker <willmcvicker@...gle.com>, kernel-team@...roid.com, 
 linux-kernel@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-gpio@...r.kernel.org, linux-hardening@...r.kernel.org, 
 André Draszik <andre.draszik@...aro.org>
Subject: [PATCH 3/6] dt-bindings: nvmem: add max77759 binding

Add the DT binding document for the NVMEM module of the Maxim MAX77759.

Signed-off-by: André Draszik <andre.draszik@...aro.org>
---
 .../bindings/nvmem/maxim,max77759-nvmem.yaml       | 50 ++++++++++++++++++++++
 1 file changed, 50 insertions(+)

diff --git a/Documentation/devicetree/bindings/nvmem/maxim,max77759-nvmem.yaml b/Documentation/devicetree/bindings/nvmem/maxim,max77759-nvmem.yaml
new file mode 100644
index 000000000000..d3b7430ef551
--- /dev/null
+++ b/Documentation/devicetree/bindings/nvmem/maxim,max77759-nvmem.yaml
@@ -0,0 +1,50 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/nvmem/maxim,max77759-nvmem.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Maxim Integrated MAX77759 Non Volatile Memory
+
+maintainers:
+  - André Draszik <andre.draszik@...aro.org>
+
+description: |
+  This module is part of the MAX77759 PMIC. For additional information, see
+  Documentation/devicetree/bindings/mfd/maxim,max77759.yaml.
+
+  The MAX77759 is a PMIC integrating, amongst others, Non Volatile Memory
+  (NVMEM) with 30 bytes of storage which can be used by software to store
+  information or communicate with a boot loader.
+
+properties:
+  compatible:
+    const: maxim,max77759-nvmem
+
+  wp-gpios: false
+
+required:
+  - compatible
+
+allOf:
+  - $ref: nvmem.yaml#
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    nvmem {
+        compatible = "maxim,max77759-nvmem";
+        #address-cells = <1>;
+        #size-cells = <1>;
+
+        nvmem-layout {
+            compatible = "fixed-layout";
+            #address-cells = <1>;
+            #size-cells = <1>;
+
+            rsoc@a {
+                reg = <0xa 2>;
+            };
+        };
+    };

-- 
2.48.1.658.g4767266eb4-goog