dt-bindings: arm: samsung: Update the CHIPID binding for ASV (5b6070ce) · Commits · 戴 / test

This patch adds documentation of new optional "samsung,asv-bin" property in the chipid device node and documents requirement of "syscon" compatible string. These additions are needed to support Exynos ASV (Adaptive Supply Voltage) feature. Reviewed-by:

Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by:

Sylwester Nawrocki <s.nawrocki@samsung.com> [robh: drop 'select' which is no longer needed. Fix up example whitespace] Signed-off-by:

Rob Herring <robh@kernel.org>

Documentation/devicetree/bindings/arm/samsung/exynos-chipid.yaml

+16 −1

Original line number	Diff line number	Diff line
		@@ -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>;
		};

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