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Wed, 14 Aug 2019 06:01:02 -0700 (PDT) X-Gm-Message-State: APjAAAXTxUt1rTbyJ7LswCHfjYwjQMUMdf9v/RwLBOT5UAim1qckGZy1 w3q1E6K5U/DBKrJA9m3bpKYP1h43JlGJTBnUDcc= X-Google-Smtp-Source: APXvYqxsCMPhEB6d19AkAwrH2WmpslgogpPgDenxgBgQD8gEdZbqPk9ibFEDJH1FhqxoSOjrLiasHqOPI013151j9Zs= X-Received: by 2002:a2e:8197:: with SMTP id e23mr4590849ljg.80.1565787661091; Wed, 14 Aug 2019 06:01:01 -0700 (PDT) MIME-Version: 1.0 References: <20190813150827.31972-1-s.nawrocki@samsung.com> <20190813150827.31972-8-s.nawrocki@samsung.com> In-Reply-To: <20190813150827.31972-8-s.nawrocki@samsung.com> From: Krzysztof Kozlowski Date: Wed, 14 Aug 2019 15:00:50 +0200 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH v3 7/9] soc: samsung: Update the CHIP ID DT binding documentation To: Sylwester Nawrocki X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190814_060103_656410_6D56DCC6 X-CRM114-Status: GOOD ( 17.34 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, "linux-samsung-soc@vger.kernel.org" , linux-pm@vger.kernel.org, pankaj.dubey@samsung.com, =?UTF-8?B?QmFydMWCb21pZWogxbtvxYJuaWVya2lld2ljeg==?= , "linux-kernel@vger.kernel.org" , robh+dt@kernel.org, kgene@kernel.org, vireshk@kernel.org, linux-arm-kernel@lists.infradead.org, Marek Szyprowski Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, 13 Aug 2019 at 17:09, Sylwester Nawrocki 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 > --- > 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 > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel