[PATCH 02/13] dt-bindings: nvmem: add mt6323 PMIC EFUSE

Roman Vivchar via B4 Relay
2026-05-04T18:24:58Z

From: Roman Vivchar <rva333@protonmail.com>

The MediaTek mt6323 PMIC includes an EFUSE used for storing calibration
data.

Add the device tree binding documentation for the MediaTek mt6323 EFUSE.

Tested-by: Ben Grisdale <bengris32@protonmail.ch> # Amazon Echo Dot (2nd Generation)
Signed-off-by: Roman Vivchar <rva333@protonmail.com>
---
.../bindings/nvmem/mediatek,mt6323-efuse.yaml | 42 ++++++++++++++++++++++
1 file changed, 42 insertions(+)

diff --git a/Documentation/devicetree/bindings/nvmem/mediatek,mt6323-efuse.yaml b/Documentation/devicetree/bindings/nvmem/mediatek,mt6323-efuse.yaml
new file mode 100644
index 000000000000..eb2437b0c1f0
--- /dev/null
+++ b/Documentation/devicetree/bindings/nvmem/mediatek,mt6323-efuse.yaml
@@ -0,0 +1,42 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/nvmem/mediatek,mt6323-efuse.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MediaTek MT6323 PMIC EFUSE
+
+description: |
+ MT6323 efuse is used for storing calibration data, such as thermal sensor
+ calibration.
+
+maintainers:
+ - Roman Vivchar <rva333@protonmail.com>
+
+allOf:
+ - $ref: nvmem.yaml#
+
+properties:
+ compatible:
+ const: mediatek,mt6323-efuse
+
+required:
+ - compatible
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ mt6323_efuse: efuse {
+ compatible = "mediatek,mt6323-efuse";
+
+ nvmem-layout {
+ compatible = "fixed-layout";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ mt6323_thermal_calibration_data: thermal-data@14 {
+ reg = <0x14 0x4>;
+ };
+ };
+ };

--
2.53.0