From patchwork Thu Jul 5 15:14:22 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: 939984 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 41M1cW4G82z9s1b for ; Fri, 6 Jul 2018 01:14:51 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754098AbeGEPOt convert rfc822-to-8bit (ORCPT ); Thu, 5 Jul 2018 11:14:49 -0400 Received: from mx07-00178001.pphosted.com ([62.209.51.94]:57377 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754004AbeGEPOr (ORCPT ); Thu, 5 Jul 2018 11:14:47 -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 w65F9FVj017072; Thu, 5 Jul 2018 17:14:23 +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 2k1k1j0twu-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Thu, 05 Jul 2018 17:14:23 +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 E543D34; Thu, 5 Jul 2018 15:14:22 +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 B1CEC26DC; Thu, 5 Jul 2018 15:14:22 +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 17:14:22 +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 17:14:22 +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 1/8] dt-bindings: mfd: document stpmu1 pmic Thread-Topic: [PATCH 1/8] dt-bindings: mfd: document stpmu1 pmic Thread-Index: AQHUFHLaBR9//vlFr0qcgonUrwaf9A== Date: Thu, 5 Jul 2018 15:14:22 +0000 Message-ID: <1530803657-17684-2-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] MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2018-07-05_05:, , signatures=0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: pascal paillet stpmu1 is a pmic from STMicroelectronics. The stpmu1 integrates 10 regulators and 3 switches with various capabilities. Signed-off-by: pascal paillet --- .../devicetree/bindings/mfd/st,stpmu1.txt | 138 +++++++++++++++++++++ 1 file changed, 138 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/st,stpmu1.txt diff --git a/Documentation/devicetree/bindings/mfd/st,stpmu1.txt b/Documentation/devicetree/bindings/mfd/st,stpmu1.txt new file mode 100644 index 0000000..53bdab4 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/st,stpmu1.txt @@ -0,0 +1,138 @@ +* STMicroelectronics STPMU1 Power Management IC + +Required parent device properties: +- compatible: "st,stpmu1" +- reg: the I2C slave address for the stpmu1 chip +- interrupts-extended: interrupt lines to use: second irq is for wakeup. +- #interrupt-cells: should be 2. +- interrupt-controller: describes the STPMU1 as an interrupt + controller (has its own domain). interrupt number are the following: + /* Interrupt Register 1 (0x50 for latch) */ + IT_SWOUT_R=0 + IT_SWOUT_F=1 + IT_VBUS_OTG_R=2 + IT_VBUS_OTG_F=3 + IT_WAKEUP_R=4 + IT_WAKEUP_F=5 + IT_PONKEY_R=6 + IT_PONKEY_F=7 + /* Interrupt Register 2 (0x51 for latch) */ + IT_OVP_BOOST=8 + IT_OCP_BOOST=9 + IT_OCP_SWOUT=10 + IT_OCP_OTG=11 + IT_CURLIM_BUCK4=12 + IT_CURLIM_BUCK3=13 + IT_CURLIM_BUCK2=14 + IT_CURLIM_BUCK1=15 + /* Interrupt Register 3 (0x52 for latch) */ + IT_SHORT_SWOUT=16 + IT_SHORT_SWOTG=17 + IT_CURLIM_LDO6=18 + IT_CURLIM_LDO5=19 + IT_CURLIM_LDO4=20 + IT_CURLIM_LDO3=21 + IT_CURLIM_LDO2=22 + IT_CURLIM_LDO1=23 + /* Interrupt Register 3 (0x52 for latch) */ + IT_SWIN_R=24 + IT_SWIN_F=25 + IT_RESERVED_1=26 + IT_RESERVED_2=27 + IT_VINLOW_R=28 + IT_VINLOW_F=29 + IT_TWARN_R=30 + IT_TWARN_F=31 + +Optional parent device properties: +- st,main_control_register: + -bit 1: Power cycling will be performed on turn OFF condition + -bit 2: PWRCTRL is functional + -bit 3: PWRCTRL active high +- st,pads_pull_register: + -bit 1: WAKEUP pull down is not active + -bit 2: PWRCTRL pull up is active + -bit 3: PWRCTRL pull down is active + -bit 4: WAKEUP detector is disabled +- st,vin_control_register: + -bit 0: VINLOW monitoring is enabled + -bit [1...3]: VINLOW rising threshold + 000 VINOK_f + 50mV + 001 VINOK_f + 100mV + 010 VINOK_f + 150mV + 011 VINOK_f + 200mV + 100 VINOK_f + 250mV + 101 VINOK_f + 300mV + 110 VINOK_f + 350mV + 111 VINOK_f + 400mV + -bit [4...5]: VINLOW hyst + 00 100mV + 01 200mV + 10 300mV + 11 400mV + -bit 6: SW_OUT detector is disabled + -bit 7: SW_IN detector is enabled. +- st,usb_control_register: + -bit 3: SW_OUT current limit + 0: 600mA + 1: 1.1A + -bit 4: VBUS_OTG discharge is enabled + -bit 5: SW_OUT discharge is enabled + -bit 6: VBUS_OTG detection is enabled + -bit 7: BOOST_OVP is disabled + + +stpmu1 consists is a varied group of sub-devices: + +Device Description +------ ------------ +stpmu1-onkey : On key +stpmu1-regulators : Regulators +stpmu1-wdt : Watchdog + +each sub-device bindings is be described in associated driver +documentation section. + +Example: + +pmic: stpmu1@33 { + compatible = "st,stpmu1"; + reg = <0x33>; + interrupts = <0 2>; + interrupts-extended = <&intc GIC_SPI 149 IRQ_TYPE_NONE>, + <&exti 55 1>; + st,version_status = <0x10>; + st,main_control_register=<0x0c>; + interrupt-controller; + #interrupt-cells = <2>; + onkey { + compatible = "st,stpmu1-onkey"; + interrupt-parent = <&pmic>; + interrupts = <7 0>,<6 1>; + st,onkey-pwroff-enabled; + st,onkey-press-seconds = <10>; + }; + + watchdog { + compatible = "st,stpmu1-wdt"; + }; + + regulators { + compatible = "st,stpmu1-regulators"; + + vdd_core: regulator@0 { + regulator-compatible = "buck1"; + regulator-name = "vdd_core"; + regulator-boot-on; + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <1200000>; + }; + vdd: regulator@1 { + regulator-compatible = "buck3"; + regulator-name = "vdd"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-pull-down; + }; + };