From patchwork Mon Oct 29 16:22:05 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pascal Paillet X-Patchwork-Id: 10659535 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 0DD191751 for ; Mon, 29 Oct 2018 16:23:27 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DBE5828609 for ; Mon, 29 Oct 2018 16:23:26 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id CC59A288A2; Mon, 29 Oct 2018 16:23:26 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 659DF28609 for ; Mon, 29 Oct 2018 16:23:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728050AbeJ3BMc convert rfc822-to-8bit (ORCPT ); Mon, 29 Oct 2018 21:12:32 -0400 Received: from mx07-00178001.pphosted.com ([62.209.51.94]:56223 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727852AbeJ3BLz (ORCPT ); Mon, 29 Oct 2018 21:11:55 -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 w9TGJTTh013692; Mon, 29 Oct 2018 17:22:07 +0100 Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 2ncdfxx67f-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Mon, 29 Oct 2018 17:22:07 +0100 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 593F93A; Mon, 29 Oct 2018 16:22:06 +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 34BE852A4; Mon, 29 Oct 2018 16:22:06 +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, 29 Oct 2018 17:22:05 +0100 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, 29 Oct 2018 17:22:05 +0100 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" , "axel.lin@ingics.com" CC: Pascal PAILLET-LME Subject: [PATCH v5 3/8] dt-bindings: regulator: document stpmic1 pmic regulators Thread-Topic: [PATCH v5 3/8] dt-bindings: regulator: document stpmic1 pmic regulators Thread-Index: AQHUb6OIZcqtempcskOXN1yBB2YySw== Date: Mon, 29 Oct 2018 16:22:05 +0000 Message-ID: <1540830122-2577-4-git-send-email-p.paillet@st.com> References: <1540830122-2577-1-git-send-email-p.paillet@st.com> In-Reply-To: <1540830122-2577-1-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: [10.75.127.48] MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2018-10-29_11:,, signatures=0 Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 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 v5: * describe regulator-active-discharge is available for power switches * remove interrupt parents .../bindings/regulator/st,stpmic1-regulator.txt | 67 ++++++++++++++++++++++ 1 file changed, 67 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..5adc938 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/st,stpmic1-regulator.txt @@ -0,0 +1,67 @@ +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. +- regulator-active-discharge: can be used on pwr_sw1 and pwr_sw2. + +Example: +regulators { + compatible = "st,stpmic1-regulators"; + + ldo6-supply = <&v3v3>; + + vdd_core: buck1 { + regulator-name = "vdd_core"; + interrupts = ; + st,mask-reset; + regulator-pull-down; + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <1200000>; + }; + + v3v3: buck4 { + regulator-name = "v3v3"; + interrupts = ; + + 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; + }; +};