From: Sylwester Nawrocki <s.nawrocki@samsung.com> To: krzk@kernel.org, vireshk@kernel.org, robh+dt@kernel.org Cc: sboyd@kernel.org, roger.lu@mediatek.com, linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org, b.zolnierkie@samsung.com, m.szyprowski@samsung.com, Sylwester Nawrocki <s.nawrocki@samsung.com> Subject: [PATCH v5 2/4] dt-bindings: arm: samsung: Update the CHIPID binding for ASV Date: Wed, 16 Oct 2019 16:57:54 +0200 [thread overview] Message-ID: <20191016145756.16004-3-s.nawrocki@samsung.com> (raw) In-Reply-To: <20191016145756.16004-1-s.nawrocki@samsung.com> 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. Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> --- Depends on patch ("8d0daa4c89c9 dt-bindings: arm: samsung: Convert Exynos Chipid bindings to json-schema") already applied to Rob's dt/next. Changes since v4: - converted to YAML Changes since v3: - none Changes since v2: - corrected patch summary line prefix, the patch moved in the sequence Changes since v1 (RFC): - new patch .../bindings/arm/samsung/exynos-chipid.yaml | 31 +++++++++++++++++-- 1 file changed, 28 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/arm/samsung/exynos-chipid.yaml b/Documentation/devicetree/bindings/arm/samsung/exynos-chipid.yaml index 9c573ad7dc7d..df84d9e9f4c2 100644 --- a/Documentation/devicetree/bindings/arm/samsung/exynos-chipid.yaml +++ b/Documentation/devicetree/bindings/arm/samsung/exynos-chipid.yaml @@ -9,17 +9,42 @@ title: Samsung Exynos SoC series Chipid driver maintainers: - Krzysztof Kozlowski <krzk@kernel.org> +# Custom select to avoid matching all nodes with 'syscon' +select: + properties: + compatible: + contains: + const: samsung,exynos4210-chipid + required: + - compatible + properties: compatible: - items: - - const: samsung,exynos4210-chipid + allOf: + - 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>; }; -- 2.17.1
WARNING: multiple messages have this Message-ID (diff)
From: Sylwester Nawrocki <s.nawrocki@samsung.com> To: krzk@kernel.org, vireshk@kernel.org, robh+dt@kernel.org Cc: devicetree@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-pm@vger.kernel.org, sboyd@kernel.org, b.zolnierkie@samsung.com, roger.lu@mediatek.com, Sylwester Nawrocki <s.nawrocki@samsung.com>, linux-arm-kernel@lists.infradead.org, m.szyprowski@samsung.com Subject: [PATCH v5 2/4] dt-bindings: arm: samsung: Update the CHIPID binding for ASV Date: Wed, 16 Oct 2019 16:57:54 +0200 [thread overview] Message-ID: <20191016145756.16004-3-s.nawrocki@samsung.com> (raw) In-Reply-To: <20191016145756.16004-1-s.nawrocki@samsung.com> 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. Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> --- Depends on patch ("8d0daa4c89c9 dt-bindings: arm: samsung: Convert Exynos Chipid bindings to json-schema") already applied to Rob's dt/next. Changes since v4: - converted to YAML Changes since v3: - none Changes since v2: - corrected patch summary line prefix, the patch moved in the sequence Changes since v1 (RFC): - new patch .../bindings/arm/samsung/exynos-chipid.yaml | 31 +++++++++++++++++-- 1 file changed, 28 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/arm/samsung/exynos-chipid.yaml b/Documentation/devicetree/bindings/arm/samsung/exynos-chipid.yaml index 9c573ad7dc7d..df84d9e9f4c2 100644 --- a/Documentation/devicetree/bindings/arm/samsung/exynos-chipid.yaml +++ b/Documentation/devicetree/bindings/arm/samsung/exynos-chipid.yaml @@ -9,17 +9,42 @@ title: Samsung Exynos SoC series Chipid driver maintainers: - Krzysztof Kozlowski <krzk@kernel.org> +# Custom select to avoid matching all nodes with 'syscon' +select: + properties: + compatible: + contains: + const: samsung,exynos4210-chipid + required: + - compatible + properties: compatible: - items: - - const: samsung,exynos4210-chipid + allOf: + - 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>; }; -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2019-10-16 14:58 UTC|newest] Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top [not found] <CGME20191016145806eucas1p2d522901fc79e1ca6e03f1bb516a81370@eucas1p2.samsung.com> 2019-10-16 14:57 ` [PATCH v5 0/4] Exynos Adaptive Supply Voltage support Sylwester Nawrocki 2019-10-16 14:57 ` Sylwester Nawrocki [not found] ` <CGME20191016145810eucas1p1b31400c9b2e7f30cdf6deeb4ccee2788@eucas1p1.samsung.com> 2019-10-16 14:57 ` [PATCH v5 1/4] PM / OPP: Support adjusting OPP voltages at runtime Sylwester Nawrocki 2019-10-16 14:57 ` Sylwester Nawrocki 2019-10-17 6:42 ` Viresh Kumar 2019-10-17 6:42 ` Viresh Kumar 2019-10-21 11:23 ` Krzysztof Kozlowski 2019-10-21 11:23 ` Krzysztof Kozlowski 2019-10-22 2:23 ` Viresh Kumar 2019-10-22 2:23 ` Viresh Kumar 2019-10-22 18:43 ` Krzysztof Kozlowski 2019-10-22 18:43 ` Krzysztof Kozlowski [not found] ` <CGME20191016145812eucas1p1a3cf3f44a2cff4c32a2270334630c4a2@eucas1p1.samsung.com> 2019-10-16 14:57 ` Sylwester Nawrocki [this message] 2019-10-16 14:57 ` [PATCH v5 2/4] dt-bindings: arm: samsung: Update the CHIPID binding for ASV Sylwester Nawrocki 2019-10-16 16:16 ` Krzysztof Kozlowski 2019-10-16 16:16 ` Krzysztof Kozlowski 2019-10-17 9:03 ` Sylwester Nawrocki 2019-10-17 9:03 ` Sylwester Nawrocki [not found] ` <CGME20191016145813eucas1p1623db169f1ee93f88cb2c75090804747@eucas1p1.samsung.com> 2019-10-16 14:57 ` [PATCH v5 3/4] soc: samsung: Add Exynos Adaptive Supply Voltage driver Sylwester Nawrocki 2019-10-16 14:57 ` Sylwester Nawrocki 2019-10-22 19:04 ` Krzysztof Kozlowski 2019-10-22 19:04 ` Krzysztof Kozlowski 2019-10-23 10:48 ` Sylwester Nawrocki 2019-10-23 10:48 ` Sylwester Nawrocki 2019-10-23 11:20 ` Krzysztof Kozlowski 2019-10-23 11:20 ` Krzysztof Kozlowski [not found] ` <CGME20191016145814eucas1p10d50d438abb850fd82f622122b223196@eucas1p1.samsung.com> 2019-10-16 14:57 ` [PATCH v5 4/4] ARM: EXYNOS: Enable exynos-asv driver for ARCH_EXYNOS Sylwester Nawrocki 2019-10-16 14:57 ` Sylwester Nawrocki
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