From patchwork Thu Feb 13 09:14:05 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 319928 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 19F4D2C009C for ; Thu, 13 Feb 2014 20:17:27 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753892AbaBMJRH (ORCPT ); Thu, 13 Feb 2014 04:17:07 -0500 Received: from mailout3.w1.samsung.com ([210.118.77.13]:54737 "EHLO mailout3.w1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753486AbaBMJOp (ORCPT ); Thu, 13 Feb 2014 04:14:45 -0500 Received: from eucpsbgm2.samsung.com (unknown [203.254.199.245]) by mailout3.w1.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0N0X00AHCGC4PT40@mailout3.w1.samsung.com>; Thu, 13 Feb 2014 09:14:29 +0000 (GMT) X-AuditID: cbfec7f5-b7fc96d000004885-d9-52fc8cf40e36 Received: from eusync1.samsung.com ( [203.254.199.211]) by eucpsbgm2.samsung.com (EUCPMTA) with SMTP id 8C.21.18565.4FC8CF25; Thu, 13 Feb 2014 09:14:28 +0000 (GMT) Received: from AMDC1943.digital.local ([106.116.151.171]) by eusync1.samsung.com (Oracle Communications Messaging Server 7u4-23.01(7.0.4.23.0) 64bit (built Aug 10 2011)) with ESMTPA id <0N0X002E0GBT6O90@eusync1.samsung.com>; Thu, 13 Feb 2014 09:14:28 +0000 (GMT) From: Krzysztof Kozlowski To: Sangbeom Kim , Samuel Ortiz , Lee Jones , linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org Cc: Kyungmin Park , Marek Szyprowski , Bartlomiej Zolnierkiewicz , Krzysztof Kozlowski , Chanwoo Choi , Mark Brown , Liam Girdwood , Tomasz Figa , devicetree@vger.kernel.org, Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala Subject: [PATCH v2 12/14] Documentation: mfd/regulator: s2mps11: Document the "op_mode" bindings Date: Thu, 13 Feb 2014 10:14:05 +0100 Message-id: <1392282847-25444-13-git-send-email-k.kozlowski@samsung.com> X-Mailer: git-send-email 1.7.9.5 In-reply-to: <1392282847-25444-1-git-send-email-k.kozlowski@samsung.com> References: <1392282847-25444-1-git-send-email-k.kozlowski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrMLMWRmVeSWpSXmKPExsVy+t/xy7pfev4EGfz5JmexccZ6VoupD5+w WVz/8pzVYv6Rc6wW/W8Wslqce7WS0eL1C0OLs01v2C3ufz3KaPHtSgeTxeVdc9gsZpzfx2Sx 9shddoul1y8yWUyYvpbFonXvEXaL092sFhdXfGGyWD/jNYuDsMeaeWsYPS739TJ57Jx1l91j 5fIvbB6bVnWyedy5tofNY97JQI++LasYPT5vkgvgjOKySUnNySxLLdK3S+DK2HO7m6ngrVjF 7PNdjA2M+4W6GDk5JARMJK48XcoMYYtJXLi3nq2LkYtDSGApo8SUe0egnD4miUmN01hAqtgE jCU2L18ClhAR2Mwosfj7VVYQh1lgE4vE3FV32UCqhAWSJM5v3A1kc3CwCKhK3F2ZDhLmFfCQ 2Lt6LztIWEJAQWLOJBuQMCdQ+N+P32BXCAm4S/QsnsU+gZF3ASPDKkbR1NLkguKk9FwjveLE 3OLSvHS95PzcTYyQgP+6g3HpMatDjAIcjEo8vA8W/w4SYk0sK67MPcQowcGsJMIrI/EnSIg3 JbGyKrUoP76oNCe1+BAjEwenVAPj5ODLt4zrD8clzPknPNv2arH0+z2bJ//nlFrL5LfPSaa1 6/PfTd3LnXn84q+wKoad/2MbKfeu6Hv6iacm0+wFI6b6X8tdEpNkrfxjzu+fa/YreGlq3tzz 4cPUFftf7eFNzV6/fc+k17G9h36smr6wazXneq6V/qF/3evcbabODjhUlXX6s6BrhRJLcUai oRZzUXEiAFl71g1WAgAA Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Document the "op_mode" properties parsed from DTS by s2mps11 driver. S2MPS11/S2MPS14 regulators support different modes of operation: - Always off; - On/Off controlled by pin/GPIO (PWREN/LDOEN/EMMCEN); - Always on; This is very similar to S5M8767 regulator driver which also supports opmodes (although S5M8767 have also low-power mode). Signed-off-by: Krzysztof Kozlowski Signed-off-by: Chanwoo Choi Cc: Mark Brown Cc: Liam Girdwood Cc: Tomasz Figa Cc: devicetree@vger.kernel.org Cc: Rob Herring Cc: Pawel Moll Cc: Mark Rutland Cc: Ian Campbell Cc: Kumar Gala --- Documentation/devicetree/bindings/mfd/s2mps11.txt | 46 +++++++++++++++++++++ 1 file changed, 46 insertions(+) diff --git a/Documentation/devicetree/bindings/mfd/s2mps11.txt b/Documentation/devicetree/bindings/mfd/s2mps11.txt index f69bec294f02..ffad6bfe2ebf 100644 --- a/Documentation/devicetree/bindings/mfd/s2mps11.txt +++ b/Documentation/devicetree/bindings/mfd/s2mps11.txt @@ -54,6 +54,15 @@ BUCK[3, 4], and BUCK[7, 8, 10] The regulator constraints inside the regulator nodes use the standard regulator bindings which are documented elsewhere. +On S2MPS14 chipset the driver additionally supports "op_mode" properties for +each regulator. + - op_mode: describes the different operating modes of the regulators with + power mode change in SOC. The different possible values are, + 0 - always off mode + 1 - on in normal mode + 3 - suspend mode + (NOTE: value of 2 is reserved) + The following are the names of the regulators that the s2mps11 pmic block supports. Note: The 'n' in LDOn and BUCKn represents the LDO or BUCK number as per the datasheet of s2mps11. @@ -112,3 +121,40 @@ Example: }; }; }; + + s2mps14_pmic@66 { + compatible = "samsung,s2mps14-pmic"; + reg = <0x66>; + + s2m_osc: clocks { + compatible = "samsung,s2mps14-clk"; + #clock-cells = 1; + clock-output-names = "xx", "", "zz"; + }; + + regulators { + ldo1_reg: LDO1 { + regulator-name = "VAP_ALIVE_1.0V"; + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <1000000>; + regulator-always-on; + op_mode = <1>; /* Normal Mode */ + }; + + ldo2_reg: LDO2 { + regulator-name = "VAP_M1_1.2V"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <1200000>; + regulator-always-on; + op_mode = <1>; /* Normal Mode */ + }; + + buck1_reg: BUCK1 { + regulator-name = "VAP_MIF_1.0V"; + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <1000000>; + regulator-always-on; + op_mode = <3>; /* Standby Mode */ + }; + }; + };