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From: Krzysztof Kozlowski <krzk@kernel.org>
To: Sylwester Nawrocki <s.nawrocki@samsung.com>
Cc: robh+dt@kernel.org, vireshk@kernel.org,
	devicetree@vger.kernel.org, kgene@kernel.org,
	pankaj.dubey@samsung.com,
	"linux-samsung-soc@vger.kernel.org"
	<linux-samsung-soc@vger.kernel.org>,
	linux-arm-kernel@lists.infradead.org,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	linux-pm@vger.kernel.org,
	"Bartłomiej Żołnierkiewicz" <b.zolnierkie@samsung.com>,
	"Marek Szyprowski" <m.szyprowski@samsung.com>
Subject: Re: [PATCH v3 7/9] soc: samsung: Update the CHIP ID DT binding documentation
Date: Wed, 14 Aug 2019 15:00:50 +0200
Message-ID: <CAJKOXPdfe-ON9wmy30YGoGG_LzwhEuXmcv_-kt07cS-Wd3cG8w@mail.gmail.com> (raw)
In-Reply-To: <20190813150827.31972-8-s.nawrocki@samsung.com>

On Tue, 13 Aug 2019 at 17:09, Sylwester Nawrocki <s.nawrocki@samsung.com> wrote:
>
> This patch adds documentation of a 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>
> ---
> Changes since v2:
>  - none
>
> Changes since v1 (RFC):
>  - new patch
> ---
>  .../devicetree/bindings/arm/samsung/exynos-chipid.txt  | 10 ++++++++--
>  1 file changed, 8 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/arm/samsung/exynos-chipid.txt b/Documentation/devicetree/bindings/arm/samsung/exynos-chipid.txt
> index 85c5dfd4a720..be3657e6c00c 100644
> --- a/Documentation/devicetree/bindings/arm/samsung/exynos-chipid.txt
> +++ b/Documentation/devicetree/bindings/arm/samsung/exynos-chipid.txt
> @@ -1,12 +1,18 @@
> -SAMSUNG Exynos SoCs Chipid driver.
> +SAMSUNG Exynos SoC series CHIPID subsystem
>
>  Required properties:
> -- compatible : Should at least contain "samsung,exynos4210-chipid".
> +- compatible : Should at least contain "samsung,exynos4210-chipid", "syscon".
>
>  - reg: offset and length of the register set
>
> +Optional properties:
> + - samsung,asv-bin : 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. Possible values: 0...3.
> +
>  Example:
>         chipid@10000000 {
>                 compatible = "samsung,exynos4210-chipid";

Please update the example with new required compatible.

Best regards,
Krzysztof

>                 reg = <0x10000000 0x100>;
> +               samsung,asv-bin = <2>;
>         };
> --
> 2.17.1
>

  reply index

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20190813150842eucas1p2c248537d9cd593073e12abeac2cacab5@eucas1p2.samsung.com>
2019-08-13 15:08 ` [PATCH v3 0/9] Exynos Adaptive Supply Voltage support Sylwester Nawrocki
     [not found]   ` <CGME20190813150850eucas1p2aff64b5edb49ffb6626433de1c9e58ec@eucas1p2.samsung.com>
2019-08-13 15:08     ` [PATCH v3 1/9] soc: samsung: Add exynos chipid driver support Sylwester Nawrocki
2019-08-15 18:18       ` Krzysztof Kozlowski
     [not found]   ` <CGME20190813150852eucas1p2be4c0ab5ec2c079e3daf1af24283b27c@eucas1p2.samsung.com>
2019-08-13 15:08     ` [PATCH v3 2/9] soc: samsung: Convert exynos-chipid driver to use the regmap API Sylwester Nawrocki
2019-08-15 18:22       ` Krzysztof Kozlowski
2019-08-20 19:24       ` Jon Hunter
2019-08-20 19:37         ` Krzysztof Kozlowski
2019-08-20 21:38           ` Sylwester Nawrocki
2019-08-21  7:49             ` Krzysztof Kozlowski
2019-08-21 11:51             ` Bartlomiej Zolnierkiewicz
2019-08-21 12:16               ` Krzysztof Kozlowski
2019-08-21 12:41                 ` Sylwester Nawrocki
2019-08-21 13:10                   ` Krzysztof Kozlowski
2019-08-21 13:31                 ` Bartlomiej Zolnierkiewicz
     [not found]   ` <CGME20190813150853eucas1p20257455cc323a8b78b37977b0ed4937d@eucas1p2.samsung.com>
2019-08-13 15:08     ` [PATCH v3 3/9] soc: samsung: Add Exynos Adaptive Supply Voltage driver Sylwester Nawrocki
2019-08-14 12:58       ` Krzysztof Kozlowski
     [not found]   ` <CGME20190813150854eucas1p14716609be6697222ae5795328cb2ed04@eucas1p1.samsung.com>
2019-08-13 15:08     ` [PATCH v3 4/9] ARM: EXYNOS: enable exynos_chipid for ARCH_EXYNOS Sylwester Nawrocki
2019-08-15 18:29       ` Krzysztof Kozlowski
     [not found]   ` <CGME20190813150856eucas1p1a8957cfe50e3b421ccbc3084404de43b@eucas1p1.samsung.com>
2019-08-13 15:08     ` [PATCH v3 5/9] ARM64: " Sylwester Nawrocki
2019-08-15 18:29       ` Krzysztof Kozlowski
     [not found]   ` <CGME20190813150857eucas1p1387bf381b91d8fc7d0184dec92dcdf5c@eucas1p1.samsung.com>
2019-08-13 15:08     ` [PATCH v3 6/9] ARM: EXYNOS: Enable exynos-asv driver " Sylwester Nawrocki
     [not found]   ` <CGME20190813150858eucas1p1a5fbf425753e4911c50631c3a6d34ffd@eucas1p1.samsung.com>
2019-08-13 15:08     ` [PATCH v3 7/9] soc: samsung: Update the CHIP ID DT binding documentation Sylwester Nawrocki
2019-08-14 13:00       ` Krzysztof Kozlowski [this message]
2019-08-15 18:24       ` Krzysztof Kozlowski
     [not found]   ` <CGME20190813150859eucas1p13b02bf38750c2fff277f316900c9393c@eucas1p1.samsung.com>
2019-08-13 15:08     ` [PATCH v3 8/9] ARM: dts: Add "syscon" compatible string to chipid node Sylwester Nawrocki
     [not found]   ` <CGME20190813150900eucas1p12fbf753613c727d8cb6992b6f77aca80@eucas1p1.samsung.com>
2019-08-13 15:08     ` [PATCH v3 9/9] ARM: dts: Add samsung,asv-bin property for odroidxu3-lite Sylwester Nawrocki
2019-08-14 13:03   ` [PATCH v3 0/9] Exynos Adaptive Supply Voltage support Krzysztof Kozlowski

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