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Thu, 19 Sep 2019 09:26:52 +0000 (GMT) From: Lukasz Luba To: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: b.zolnierkie@samsung.com, krzk@kernel.org, kgene@kernel.org, mark.rutland@arm.com, robh+dt@kernel.org, cw00.choi@samsung.com, kyungmin.park@samsung.com, m.szyprowski@samsung.com, s.nawrocki@samsung.com, myungjoo.ham@samsung.com, willy.mh.wolff.ml@gmail.com, dan.carpenter@oracle.com, Lukasz Luba Subject: [PATCH v3 2/2] dt-bindings: ddr: Add bindings for Samsung LPDDR3 memories Date: Thu, 19 Sep 2019 11:26:41 +0200 Message-Id: <20190919092641.4407-3-l.luba@partner.samsung.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190919092641.4407-1-l.luba@partner.samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA0WSbUhTURjHO7v37l5Xs9uMfDJfYhTZ26woOaVoRcKtCArmhwqpldcXci53 1TSDplKWLVOLHGKWaDinpa0hKhWmMwOtZS8axiQ0MdJE095N8nqNvv3Oc37P+T/ncBhC1Uj5 MPGJybwxUZeglivI+ic/Xev7dmdHbcgdY/E9Sy2FeyaHKDw8XUTim87nFL4yMExgl6uOxs+y Rmjca/LF9oFuCr9qKpHjictOhC2uRzJ8x+mm8e2eLhl+l2mV43MPnTRuHcmh8Len/Wi7iqsp rUFcY7Gb5uy2i3LufsVZbnywl+Qejz6QcXkOG+Im7P77mUOK0Gg+IT6VNwaFHVXEParPJ066 lWk9lhzShBzzc5EHA+xmmP7xmshFCkbFWhFk1ZXS0mISwceuMVK0VOwEgmpzaC5iZjuKTRmS U4ng+5/u/w22piGZKMlZDTTYksTexWw5gm+th0Qm2Bcy6KjyE9mL1ULnVzct6iS7ElxjviIq 2TB4WZAqzRYA1XXNhMgebDjUFP6eTQK2m4aqBpNMknZBoc1OSewFn9odtMS+0HHVTEosgOly GZL4DAxcuTHnhEBrexcl5hLsaqhtCpLKO+BtzgQt3dYT3n5eJA3vCYX1RYRUVsKF8yrJDgSH +cXcMEugsub63OEcOEpMlPR+hQgsl/T5KKD4f9YthGzIm08R9LG8sCmRP6URdHohJTFWc9yg t6OZD9Ux3T7ZgJqmjrUglkHqBcofq7KiVJQuVUjXtyBgCPViZcmWmZIyWpd+mjcajhhTEnih BS1jSLW3MmPe+8MqNlaXzJ/g+ZO88d+ujPHwMSGlSTMY9CDw5Ya+yHBD0emgvhNrUyLuejcv 3xmvzdiXlWbYOmpdM7V6ymouy+fcpQn17LLYvZY3fqv8ZYPX4mhNzK91B2qntlWEG7KDLyrW x4xHOEMMbVptX+QeXbnzi+A04pyfgd6dk+fN5QcXhvXb2/KCfbKTPmSu0EJB/NJeNSnE6Tau IYyC7i+KpmNzTAMAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprPIsWRmVeSWpSXmKPExsVy+t/xu7p3PZtjDT4eErTYOGM9q8X1L89Z LV7/m85iMf/IOVaL/sevmS3On9/AbnG26Q27xa0GGYtNj6+xWlzeNYfN4nPvEUaLGef3MVms PXKX3WLp9YtMFrcbV7BZtO49wm5x+E07q8W3E48YHYQ81sxbw+ixc9Zddo9NqzrZPDYvqff4 +PQWi8fBd3uYPPq2rGL0+LxJLoAjSs+mKL+0JFUhI7+4xFYp2tDCSM/Q0kLPyMRSz9DYPNbK yFRJ384mJTUnsyy1SN8uQS9j37YJzAV3eSuuz2hnaWDcwt3FyMEhIWAiMauhuouRi0NIYCmj xKzHL9i7GDmB4mISk/Zth7KFJf5c62KDKPrEKHH0xzxmkGY2AT2JHasKQeIiAssZJY6tessM 4jALPGCSuDj3GCNIt7BAkMT2qbsYQRpYBFQlzn+QATF5BewkLk0sg5gvL7F6wwFmEJtTwF5i zaTfYHuFgEqWdx9lm8DIt4CRYRWjSGppcW56brGRXnFibnFpXrpecn7uJkZg5Gw79nPLDsau d8GHGAU4GJV4eH+oN8UKsSaWFVfmHmKU4GBWEuGdYwoU4k1JrKxKLcqPLyrNSS0+xGgKdNJE ZinR5HxgVOeVxBuaGppbWBqaG5sbm1koifN2CByMERJITyxJzU5NLUgtgulj4uCUamCM3iVR le59/1jMqUYv1/lHqpfX2s26XP2n7NYX5WtrW7tUFx5emjfBfam+Ul5tre8aF6d7v7jfSbj3 JOkbyknsthFsbZsV723sdyKae4PQ3Tc1X0KCF7r7HLvdWfBWyOqxleWxm5vDzzrb+CZGnci0 t7oyTypmqRnrBMNr+U4zbwZw/RI5uVuJpTgj0VCLuag4EQDT0o7qsgIAAA== X-CMS-MailID: 20190919092653eucas1p21a1caa00589649fbc972bc7b84fe0d89 X-Msg-Generator: CA X-RootMTR: 20190919092653eucas1p21a1caa00589649fbc972bc7b84fe0d89 X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20190919092653eucas1p21a1caa00589649fbc972bc7b84fe0d89 References: <20190919092641.4407-1-l.luba@partner.samsung.com> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add compatible for Samsung k3qf2f20db LPDDR3 memory bindings. Suggested to based on at25.txt compatible section. Introduce minor fixes in the old documentation. Suggested-by: Krzysztof Kozlowski Signed-off-by: Lukasz Luba --- Documentation/devicetree/bindings/ddr/lpddr3.txt | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/ddr/lpddr3.txt b/Documentation/devicetree/bindings/ddr/lpddr3.txt index 3b2485b84b3f..a0eda35a86ee 100644 --- a/Documentation/devicetree/bindings/ddr/lpddr3.txt +++ b/Documentation/devicetree/bindings/ddr/lpddr3.txt @@ -1,7 +1,10 @@ * LPDDR3 SDRAM memories compliant to JEDEC JESD209-3C Required properties: -- compatible : Should be - "jedec,lpddr3" +- compatible : Should be ",", and generic value "jedec,lpddr3". + Example "," values: + "samsung,K3QF2F20DB" + - density : representing density in Mb (Mega bits) - io-width : representing bus width. Possible values are 8, 16, 32, 64 - #address-cells: Must be set to 1 @@ -43,7 +46,7 @@ Child nodes: Example: samsung_K3QF2F20DB: lpddr3 { - compatible = "Samsung,K3QF2F20DB", "jedec,lpddr3"; + compatible = "samsung,K3QF2F20DB", "jedec,lpddr3"; density = <16384>; io-width = <32>; #address-cells = <1>; @@ -73,7 +76,8 @@ samsung_K3QF2F20DB: lpddr3 { timings_samsung_K3QF2F20DB_800mhz: lpddr3-timings@800000000 { compatible = "jedec,lpddr3-timings"; - reg = <800000000>; /* workaround: it shows max-freq */ + /* workaround: 'reg' shows max-freq */ + reg = <800000000>; min-freq = <100000000>; tRFC = <65000>; tRRD = <6000>;