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-rw-r--r--Documentation/devicetree/bindings/arm/samsung/exynos-chipid.yaml17
1 files changed, 16 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/arm/samsung/exynos-chipid.yaml b/Documentation/devicetree/bindings/arm/samsung/exynos-chipid.yaml
index ce40adabb4e8..53c29d567789 100644
--- a/Documentation/devicetree/bindings/arm/samsung/exynos-chipid.yaml
+++ b/Documentation/devicetree/bindings/arm/samsung/exynos-chipid.yaml
@@ -13,13 +13,28 @@ properties:
compatible:
items:
- const: samsung,exynos4210-chipid
+ - const: syscon
reg:
maxItems: 1
+ samsung,asv-bin:
+ description:
+ Adaptive Supply Voltage bin selection. This can be used
+ to determine the ASV bin of an SoC if respective information
+ is missing in the CHIPID registers or in the OTP memory.
+ allOf:
+ - $ref: /schemas/types.yaml#/definitions/uint32
+ - enum: [ 0, 1, 2, 3 ]
+
+required:
+ - compatible
+ - reg
+
examples:
- |
chipid@10000000 {
- compatible = "samsung,exynos4210-chipid";
+ compatible = "samsung,exynos4210-chipid", "syscon";
reg = <0x10000000 0x100>;
+ samsung,asv-bin = <2>;
};