From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id ABB07C6778A for ; Thu, 5 Jul 2018 15:15:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6F1532156B for ; Thu, 5 Jul 2018 15:15:32 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6F1532156B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=st.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754158AbeGEPPB convert rfc822-to-8bit (ORCPT ); Thu, 5 Jul 2018 11:15:01 -0400 Received: from mx07-00178001.pphosted.com ([62.209.51.94]:47871 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754378AbeGEPO5 (ORCPT ); Thu, 5 Jul 2018 11:14:57 -0400 Received: from pps.filterd (m0046037.ppops.net [127.0.0.1]) by mx07-.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id w65F4RKT023275; Thu, 5 Jul 2018 17:14:27 +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 2k0dr4hrxn-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Thu, 05 Jul 2018 17:14:27 +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 DE6563A; Thu, 5 Jul 2018 15:14:23 +0000 (GMT) Received: from Webmail-eu.st.com (sfhdag6node1.st.com [10.75.127.16]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id BC57126DC; Thu, 5 Jul 2018 15:14:23 +0000 (GMT) Received: from SFHDAG6NODE2.st.com (10.75.127.17) by SFHDAG6NODE1.st.com (10.75.127.16) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Thu, 5 Jul 2018 17:14:23 +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; Thu, 5 Jul 2018 17:14:23 +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" CC: Pascal PAILLET-LME Subject: [PATCH 3/8] dt-bindings: regulator: document stpmu1 pmic regulators Thread-Topic: [PATCH 3/8] dt-bindings: regulator: document stpmu1 pmic regulators Thread-Index: AQHUFHLawd6akLRFR0aIjrL33ybRIw== Date: Thu, 5 Jul 2018 15:14:23 +0000 Message-ID: <1530803657-17684-4-git-send-email-p.paillet@st.com> References: <1530803657-17684-1-git-send-email-p.paillet@st.com> In-Reply-To: <1530803657-17684-1-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: [10.75.127.50] Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2018-07-05_05:,, signatures=0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: pascal paillet The STPMU1 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 --- .../bindings/regulator/st,stpmu1-regulator.txt | 72 ++++++++++++++++++++++ 1 file changed, 72 insertions(+) create mode 100644 Documentation/devicetree/bindings/regulator/st,stpmu1-regulator.txt diff --git a/Documentation/devicetree/bindings/regulator/st,stpmu1-regulator.txt b/Documentation/devicetree/bindings/regulator/st,stpmu1-regulator.txt new file mode 100644 index 0000000..888e759 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/st,stpmu1-regulator.txt @@ -0,0 +1,72 @@ +STMicroelectronics STPMU1 Voltage regulators + +Regulator Nodes are optional depending on needs. + +Available Regulators in STPMU1 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: stay on during Reset for particular regulator +- 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 send 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,stpmu1-regulators"; + + ldo6-supply = <&v3v3>; + + vdd_core: regulator@0 { + regulator-compatible = "buck1"; + regulator-name = "vdd_core"; + interrupts = ; + interrupt-parent = <&pmic>; + st,mask_reset; + regulator-pull-down; + st,pulldown_config = <2>; + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <1200000>; + }; + + v3v3: buck4 { + regulator-compatible = "buck4"; + regulator-name = "v3v3"; + interrupts = ; + interrupt-parent = <&mypmic>; + + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + }; + + v1v8: ldo6 { + regulator-compatible = "ldo6"; + regulator-name = "v1v8"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-over-current-protection; + }; + +}; -- 1.9.1