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Tue, 13 Aug 2019 15:08:58 +0000 (GMT) X-AuditID: cbfec7f2-54fff70000001175-b4-5d52d28bd712 Received: from eusmtip2.samsung.com ( [203.254.199.222]) by eusmgms1.samsung.com (EUCPMTA) with SMTP id B0.D1.04166.A82D25D5; Tue, 13 Aug 2019 16:08:58 +0100 (BST) Received: from AMDC3061.DIGITAL.local (unknown [106.120.51.75]) by eusmtip2.samsung.com (KnoxPortal) with ESMTPA id 20190813150857eusmtip24b15a9bd426f668841122b42c658106d~6g-uxuSu-1702317023eusmtip2D; Tue, 13 Aug 2019 15:08:57 +0000 (GMT) From: Sylwester Nawrocki To: krzk@kernel.org Subject: [PATCH v3 7/9] soc: samsung: Update the CHIP ID DT binding documentation Date: Tue, 13 Aug 2019 17:08:25 +0200 Message-Id: <20190813150827.31972-8-s.nawrocki@samsung.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190813150827.31972-1-s.nawrocki@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA0VSa0hTYRju2znbOS5np2n4skJh2Y8sb9mPA0pUCE1BMOtXYjbzoKZO27yk /lCaqXk3CU0D7YbX2txUvOSyOR1lNrwimDfMhMwEL2mJ1o5H6d/zPs/zvs/Dx0di4sd8CRmt SGSUCnmsVCDE2/p/W9zyh4NDPQunRHRzhYZPV5s+8+ni+SWMtli0BK2bH+fTI51PBfRaoQnR FRYDj35tmiLo563rBP2g20TQvT9y+LR+tl9wUSTTNTwUyPQvM2RFLQ1ItqZzCsJvCH0jmNjo ZEbpceGWMKo0+wuWoLG9t9rbhDKRRpiHbEigzkNNqR7LQ0JSTNUhWFls47GCmFpHUGdw5YQ1 BDVbtYKDjc3Wn4gTahGMLg7yuMG60Zy9g7MuAeUFhX1FiMUOlD1Mv6olWBNGTfNgYGFwL8Oe ugbP5sYJFuPUKWhdKtzjRZQP6Dbe8Lg4Z2jU9mAstqF8oaN8hc8eAqqMgK2pXZwz+cFYvXof 28N3cwvB4RMwUFaAcwtqBAVdkwQ3lCCYMdcgzuUDveYh61nS2u80aDo9OPoSPMkZwlkaKDuY WD7K0pgVPmorxzhaBLnZYs7tAtsN5fudJZD/9e9+HRnot7tx7oWKESy0NBElyLnyf1gNQg3I kUlSxUUyKi8Fk+KuksepkhSR7rfj43TI+lkGds2r7WhjONyIKBJJbUVBLcGhYr48WZUaZ0RA YlIHUcmQlRJFyFPTGGV8mDIpllEZ0XESlzqK0g/NhoipSHkiE8MwCYzyQOWRNpJMVDmb9CHs zMeIsUBd2g4dGGNz2a6qx3ciPdrlsNtdWWrAzFpghv/85DuFzs/P27sR6mfOBmglfzqWosey 9S+W75x7G3Xz/WyM7mpxitEwanaayzppOKLO1fqYRnYcPP2qNoPtQr71MZ+OZU1Uz4XbzXgE bd3v+qX2L/C3tKPrV7qkuCpK7uWKKVXyf/blT9coAwAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrKLMWRmVeSWpSXmKPExsVy+t/xe7pdl4JiDRZuY7HYOGM9q8X8I+dY Lfofv2a2OH9+A7vFpsfXWC0u75rDZvG59wijxYzz+5gs1h65y26xaOsXdovWvUfYLQ6/aWe1 2PzgGJsDr8emVZ1sHpuX1Hv0bVnF6PF5k1wAS5SeTVF+aUmqQkZ+cYmtUrShhZGeoaWFnpGJ pZ6hsXmslZGpkr6dTUpqTmZZapG+XYJexsS2O8wF63kqPh1ew9jAuJ6ri5GTQ0LAROL71neM XYxcHEICSxklHk79yNTFyAGUkJKY36IEUSMs8edaFxtEzSdGicbVn1lBEmwChhK9R/sYQWwR oKJ7S5ezgxQxC7xikrg97z8TSEJYIFBiy8rNYA0sAqoSW1/3gsV5BawlNn1dxwSxQV5i9YYD zCA2p4CNxM7p78HqhYBqnr5bzzyBkW8BI8MqRpHU0uLc9NxiQ73ixNzi0rx0veT83E2MwCDf duzn5h2MlzYGH2IU4GBU4uEN2BIUK8SaWFZcmXuIUYKDWUmEd8JFoBBvSmJlVWpRfnxRaU5q 8SFGU6CjJjJLiSbnAyMwryTe0NTQ3MLS0NzY3NjMQkmct0PgYIyQQHpiSWp2ampBahFMHxMH p1QDo5mawtOLBwvVPFwEtFkZL1QERPjytZVx9Tc9vJLg5+1SeqmtJPhu60GRCZsfZ9T3L3jQ fHNpw36312tEVj32yHl0NlDBqe9JTYVIUi733e4sjeB/f+oiNcJWvXY7tFNS4tTco4sv+NW7 Or90CJ0ckBJ8PeV1yGKDi+4CjxSFdmg4vrpTrLVUiaU4I9FQi7moOBEAsqHqx4gCAAA= X-CMS-MailID: 20190813150858eucas1p1a5fbf425753e4911c50631c3a6d34ffd X-Msg-Generator: CA X-RootMTR: 20190813150858eucas1p1a5fbf425753e4911c50631c3a6d34ffd X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20190813150858eucas1p1a5fbf425753e4911c50631c3a6d34ffd References: <20190813150827.31972-1-s.nawrocki@samsung.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190813_080901_533286_F97103D5 X-CRM114-Status: GOOD ( 11.43 ) 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, b.zolnierkie@samsung.com, linux-kernel@vger.kernel.org, robh+dt@kernel.org, kgene@kernel.org, Sylwester Nawrocki , vireshk@kernel.org, linux-arm-kernel@lists.infradead.org, m.szyprowski@samsung.com MIME-Version: 1.0 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 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"; 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