From patchwork Mon Oct 8 16:29:40 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pascal PAILLET-LME X-Patchwork-Id: 980658 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=st.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 42TQpl37Npz9sCV for ; Tue, 9 Oct 2018 03:31:11 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726754AbeJHXmn convert rfc822-to-8bit (ORCPT ); Mon, 8 Oct 2018 19:42:43 -0400 Received: from mx07-00178001.pphosted.com ([62.209.51.94]:59954 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726418AbeJHXmm (ORCPT ); Mon, 8 Oct 2018 19:42:42 -0400 Received: from pps.filterd (m0046668.ppops.net [127.0.0.1]) by mx07-.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id w98GJhdG002950; Mon, 8 Oct 2018 18:29:41 +0200 Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 2mxjgxm25k-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Mon, 08 Oct 2018 18:29:41 +0200 Received: from zeta.dmz-eu.st.com (zeta.dmz-eu.st.com [164.129.230.9]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 0F2B03D; Mon, 8 Oct 2018 16:29:41 +0000 (GMT) Received: from Webmail-eu.st.com (sfhdag6node2.st.com [10.75.127.17]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id CFAEB57D1; Mon, 8 Oct 2018 16:29:40 +0000 (GMT) Received: from SFHDAG6NODE2.st.com (10.75.127.17) by SFHDAG6NODE2.st.com (10.75.127.17) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Mon, 8 Oct 2018 18:29:40 +0200 Received: from SFHDAG6NODE2.st.com ([fe80::a56f:c186:bab7:13d6]) by SFHDAG6NODE2.st.com ([fe80::a56f:c186:bab7:13d6%20]) with mapi id 15.00.1347.000; Mon, 8 Oct 2018 18:29:40 +0200 From: Pascal PAILLET-LME To: "dmitry.torokhov@gmail.com" , "robh+dt@kernel.org" , "mark.rutland@arm.com" , "lee.jones@linaro.org" , "lgirdwood@gmail.com" , "broonie@kernel.org" , "wim@linux-watchdog.org" , "linux@roeck-us.net" , "linux-input@vger.kernel.org" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-watchdog@vger.kernel.org" , "benjamin.gaignard@linaro.org" , "eballetbo@gmail.com" CC: Pascal PAILLET-LME Subject: [PATCH v3 3/8] dt-bindings: regulator: document stpmic1 pmic regulators Thread-Topic: [PATCH v3 3/8] dt-bindings: regulator: document stpmic1 pmic regulators Thread-Index: AQHUXyQcs4Yh8MP34ka8P5zvtPW7Eg== Date: Mon, 8 Oct 2018 16:29:40 +0000 Message-ID: <1539016176-4072-4-git-send-email-p.paillet@st.com> References: <1539016176-4072-1-git-send-email-p.paillet@st.com> In-Reply-To: <1539016176-4072-1-git-send-email-p.paillet@st.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.75.127.49] MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2018-10-08_07:, , signatures=0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: pascal paillet The STPMIC1 regulators supply power to the application processor as well as to the external system peripherals such as DDR, Flash memories and system devices. Signed-off-by: pascal paillet Reviewed-by: Rob Herring --- changes in v3: nothing .../bindings/regulator/st,stpmic1-regulator.txt | 68 ++++++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 Documentation/devicetree/bindings/regulator/st,stpmic1-regulator.txt diff --git a/Documentation/devicetree/bindings/regulator/st,stpmic1-regulator.txt b/Documentation/devicetree/bindings/regulator/st,stpmic1-regulator.txt new file mode 100644 index 0000000..a3f4762 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/st,stpmic1-regulator.txt @@ -0,0 +1,68 @@ +STMicroelectronics STPMIC1 Voltage regulators + +Regulator Nodes are optional depending on needs. + +Available Regulators in STPMIC1 device are: + - buck1 for Buck BUCK1 + - buck2 for Buck BUCK2 + - buck3 for Buck BUCK3 + - buck4 for Buck BUCK4 + - ldo1 for LDO LDO1 + - ldo2 for LDO LDO2 + - ldo3 for LDO LDO3 + - ldo4 for LDO LDO4 + - ldo5 for LDO LDO5 + - ldo6 for LDO LDO6 + - vref_ddr for LDO Vref DDR + - boost for Buck BOOST + - pwr_sw1 for VBUS_OTG switch + - pwr_sw2 for SW_OUT switch + +Switches are fixed voltage regulators with only enable/disable capability. + +Optional properties: +- st,mask-reset: mask reset for this regulator: the regulator configuration + is maintained during pmic reset. +- regulator-pull-down: enable high pull down + if not specified light pull down is used +- regulator-over-current-protection: + if set, all regulators are switched off in case of over-current detection + on this regulator, + if not set, the driver only sends an over-current event. +- interrupt-parent: phandle to the parent interrupt controller +- interrupts: index of current limit detection interrupt +- -supply: phandle to the parent supply/regulator node + each regulator supply can be described except vref_ddr. + +Example: +regulators { + compatible = "st,stpmic1-regulators"; + + ldo6-supply = <&v3v3>; + + vdd_core: buck1 { + regulator-name = "vdd_core"; + interrupts = ; + interrupt-parent = <&pmic>; + st,mask-reset; + regulator-pull-down; + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <1200000>; + }; + + v3v3: buck4 { + regulator-name = "v3v3"; + interrupts = ; + interrupt-parent = <&mypmic>; + + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + }; + + v1v8: ldo6 { + regulator-name = "v1v8"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-over-current-protection; + }; +};