From patchwork Tue Dec 17 13:23:21 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 302137 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id F36372C007C for ; Wed, 18 Dec 2013 00:25:37 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752778Ab3LQNZg (ORCPT ); Tue, 17 Dec 2013 08:25:36 -0500 Received: from mailout4.w1.samsung.com ([210.118.77.14]:25089 "EHLO mailout4.w1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753198Ab3LQNXh (ORCPT ); Tue, 17 Dec 2013 08:23:37 -0500 Received: from eucpsbgm1.samsung.com (unknown [203.254.199.244]) by mailout4.w1.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0MXY00JAID7CAC30@mailout4.w1.samsung.com>; Tue, 17 Dec 2013 13:23:36 +0000 (GMT) X-AuditID: cbfec7f4-b7fc96d000006cd4-db-52b05057c3ba Received: from eusync2.samsung.com ( [203.254.199.212]) by eucpsbgm1.samsung.com (EUCPMTA) with SMTP id 1C.32.27860.75050B25; Tue, 17 Dec 2013 13:23:35 +0000 (GMT) Received: from AMDC1943.digital.local ([106.116.151.171]) by eusync2.samsung.com (Oracle Communications Messaging Server 7u4-23.01(7.0.4.23.0) 64bit (built Aug 10 2011)) with ESMTPA id <0MXY0060JD731P50@eusync2.samsung.com>; Tue, 17 Dec 2013 13:23:35 +0000 (GMT) From: Krzysztof Kozlowski To: Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Rob Landley , Sangbeom Kim , Samuel Ortiz , Lee Jones , Liam Girdwood , Mark Brown , Grant Likely , Sachin Kamat , Thomas Abraham , Amit Daniel Kachhap , Krzysztof Kozlowski , devicetree@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Kyungmin Park , Marek Szyprowski Subject: [PATCH 5/5] regulator: s5m8767: Document new bindings for Buck9 GPIO control Date: Tue, 17 Dec 2013 14:23:21 +0100 Message-id: <1387286601-21646-6-git-send-email-k.kozlowski@samsung.com> X-Mailer: git-send-email 1.7.9.5 In-reply-to: <1387286601-21646-1-git-send-email-k.kozlowski@samsung.com> References: <1387286601-21646-1-git-send-email-k.kozlowski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrELMWRmVeSWpSXmKPExsVy+t/xK7rhARuCDG7OMbVouBpiMfXhEzaL +UfOsVr0v1nIanHgzw5Gi3OvVjJavH5haHG26Q27xf2vRxktvl3pYLJY2LaExeLyrjlsFmuP 3GW3WHr9IpPFhOlrWSwOrzjAZLHu5XQWi5N/ehktTnezWlxc8YXJ4tiMJYwOoh5r5q1h9Fjw +Qq7x+W+XiaPnbPusnusXP6FzWPTqk42j1erZ7J63Lm2h81j3slAj74tqxg9Pm+SC+CO4rJJ Sc3JLEst0rdL4MpoP3mSpWCbcMWJhj1MDYwtAl2MnBwSAiYS8851sEHYYhIX7q0Hsrk4hASW MkosmdfNDuH0MUksW72aGaSKTcBYYvPyJWAdIgLXWCXOnAntYuTgYBaIkXgxxQ4kLCwQLnH9 4ywmEJtFQFXixfKljCAlvALuEr+XZoOYEgIKEnMm2YBUcAp4SHxaeoIFJCwEVLF9XtUERt4F jAyrGEVTS5MLipPScw31ihNzi0vz0vWS83M3MULi4csOxsXHrA4xCnAwKvHw7pi/PkiINbGs uDL3EKMEB7OSCO83jw1BQrwpiZVVqUX58UWlOanFhxiZODilGhjrNpf+cA3eFR12OMzdIuu8 jVpZ1oLptUZTHz3PsWJn0vji5WyQ2XeZ5fwLvb4oC5P37l+9Vh/O8G/4t8lt8tYJ98snFCsF b3l1SZ8n9d1SLrtoh6kaTLf3RPF8iungOnNo+wP/D3fep0yz81C96iJ6yfwOZ3CY5Mr3LSeu LFbdN73/8PLTvPZKLMUZiYZazEXFiQBLMuCpZQIAAA== Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add documentation for new bindings for controlling (enable/disable) the Buck9 Converter by GPIO (BUCK9EN). Signed-off-by: Krzysztof Kozlowski Cc: Kyungmin Park Cc: Marek Szyprowski --- .../bindings/regulator/s5m8767-regulator.txt | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/Documentation/devicetree/bindings/regulator/s5m8767-regulator.txt b/Documentation/devicetree/bindings/regulator/s5m8767-regulator.txt index d1660a90fc06..6a921b5582a2 100644 --- a/Documentation/devicetree/bindings/regulator/s5m8767-regulator.txt +++ b/Documentation/devicetree/bindings/regulator/s5m8767-regulator.txt @@ -43,6 +43,7 @@ Optional properties: - s5m8767,pmic-buck2-uses-gpio-dvs: 'buck2' can be controlled by gpio dvs. - s5m8767,pmic-buck3-uses-gpio-dvs: 'buck3' can be controlled by gpio dvs. - s5m8767,pmic-buck4-uses-gpio-dvs: 'buck4' can be controlled by gpio dvs. +- s5m8767,pmic-buck9-uses-gpio: 'buck9' can be enabled/disabled by GPIO. Additional properties required if either of the optional properties are used: @@ -54,6 +55,11 @@ Additional properties required if either of the optional properties are used: - s5m8767,pmic-buck-dvs-gpios: GPIO specifiers for three host gpio's used for dvs. The format of the gpio specifier depends in the gpio controller. +- s5m8767,pmic-buck9-gpio: GPIO specifier for one GPIO controlling buck9. + This property is required when 's5m8767,pmic-buck9-uses-gpio' is specified. + Additionally for proper GPIO control the buck9 regulator should be also + configured with proper opmode (low power or suspend). + Regulators: The regulators of s5m8767 that have to be instantiated should be included in a sub-node named 'regulators'. Regulator nodes included in this sub-node should be of the format as listed below. @@ -126,6 +132,9 @@ Example: <1200000>, <1200000>, <1200000>, <1200000>; + s5m8767,pmic-buck9-uses-gpio; + s5m8767,pmic-buck9-gpio = <&gpk0 2 0>; + regulators { ldo1_reg: LDO1 { regulator-name = "VDD_ABB_3.3V"; @@ -148,5 +157,12 @@ Example: regulator-always-on; regulator-boot-on; }; + + vemmc_reg: BUCK9 { + regulator-name = "VMEM_VDD_2.8V"; + regulator-min-microvolt = <2800000>; + regulator-max-microvolt = <2800000>; + op_mode = <3>; /* Standby Mode */ + }; }; };