From patchwork Thu Oct 1 21:40:33 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Ricardo Rivera-Matos X-Patchwork-Id: 267497 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=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 9CE28C4741F for ; Thu, 1 Oct 2020 21:40:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 676B2207DE for ; Thu, 1 Oct 2020 21:40:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="nubRvev0" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733088AbgJAVkm (ORCPT ); Thu, 1 Oct 2020 17:40:42 -0400 Received: from fllv0015.ext.ti.com ([198.47.19.141]:38064 "EHLO fllv0015.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732836AbgJAVkl (ORCPT ); Thu, 1 Oct 2020 17:40:41 -0400 Received: from fllv0034.itg.ti.com ([10.64.40.246]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id 091Lednc059478; Thu, 1 Oct 2020 16:40:39 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1601588439; bh=Prkcm6a+Zl3lr1k3OPJci6zb0SS9RPEUFYwgHakP3B4=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=nubRvev0ugkHP9DCBEy/F4E1nYwaXEG1fPfKLNeOh/AO7m3KDwK9uWZsYz486kOER S5GG1t9IdFwlP2kt3j6hRnB6ub49XZhsskBCWWE/+zH66lzk65XISp+QP8ObtyehI+ BWfehyunYmQFABSqSBJEY/SP0KuUp3dmUexhXnVE= Received: from DLEE114.ent.ti.com (dlee114.ent.ti.com [157.170.170.25]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 091Lecvt118295 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 1 Oct 2020 16:40:39 -0500 Received: from DLEE111.ent.ti.com (157.170.170.22) by DLEE114.ent.ti.com (157.170.170.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Thu, 1 Oct 2020 16:40:38 -0500 Received: from fllv0039.itg.ti.com (10.64.41.19) by DLEE111.ent.ti.com (157.170.170.22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3 via Frontend Transport; Thu, 1 Oct 2020 16:40:38 -0500 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id 091LecuZ009381; Thu, 1 Oct 2020 16:40:38 -0500 From: Ricardo Rivera-Matos To: , , , , CC: , Ricardo Rivera-Matos , Rob Herring Subject: [PATCH v5 1/2] dt-bindings: power: Add the bq256xx dt bindings Date: Thu, 1 Oct 2020 16:40:33 -0500 Message-ID: <20201001214034.5925-2-r-rivera-matos@ti.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201001214034.5925-1-r-rivera-matos@ti.com> References: <20201001214034.5925-1-r-rivera-matos@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Add the bindings for the bq256xx series of battery charging ICs. Datasheets: - https://www.ti.com/lit/ds/symlink/bq25600.pdf - https://www.ti.com/lit/ds/symlink/bq25601.pdf - https://www.ti.com/lit/ds/symlink/bq25600d.pdf - https://www.ti.com/lit/ds/symlink/bq25601d.pdf - https://www.ti.com/lit/ds/symlink/bq25611d.pdf - https://www.ti.com/lit/ds/symlink/bq25618.pdf - https://www.ti.com/lit/ds/symlink/bq25619.pdf Reviewed-by: Rob Herring Signed-off-by: Ricardo Rivera-Matos v4 - documents monitored-battery and interrupts, fixes example for ti,watchdog-timeout-ms --- .../bindings/power/supply/bq256xx.yaml | 110 ++++++++++++++++++ 1 file changed, 110 insertions(+) create mode 100644 Documentation/devicetree/bindings/power/supply/bq256xx.yaml diff --git a/Documentation/devicetree/bindings/power/supply/bq256xx.yaml b/Documentation/devicetree/bindings/power/supply/bq256xx.yaml new file mode 100644 index 000000000000..18b54783e11a --- /dev/null +++ b/Documentation/devicetree/bindings/power/supply/bq256xx.yaml @@ -0,0 +1,110 @@ +# SPDX-License-Identifier: (GPL-2.0-only or BSD-2-Clause) +# Copyright (C) 2020 Texas Instruments Incorporated +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/power/supply/bq256xx.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: TI bq256xx Switch Mode Buck Charger + +maintainers: + - Ricardo Rivera-Matos + +description: | + The bq256xx devices are a family of highly-integrated battery charge + management and system power management ICs for single cell Li-ion and Li- + polymer batteries. + + Datasheets: + - https://www.ti.com/lit/ds/symlink/bq25600.pdf + - https://www.ti.com/lit/ds/symlink/bq25601.pdf + - https://www.ti.com/lit/ds/symlink/bq25600d.pdf + - https://www.ti.com/lit/ds/symlink/bq25601d.pdf + - https://www.ti.com/lit/ds/symlink/bq25611d.pdf + - https://www.ti.com/lit/ds/symlink/bq25618.pdf + - https://www.ti.com/lit/ds/symlink/bq25619.pdf + +properties: + compatible: + enum: + - ti,bq25600 + - ti,bq25601 + - ti,bq25600d + - ti,bq25601d + - ti,bq25611d + - ti,bq25618 + - ti,bq25619 + + reg: + maxItems: 1 + + ti,watchdog-timeout-ms: + $ref: /schemas/types.yaml#/definitions/uint32 + default: 0 + description: | + Watchdog timer in ms. 0 (default) disables the watchdog + minimum: 0 + maximum: 160000 + enum: [ 0, 40000, 80000, 160000] + + input-voltage-limit-microvolt: + description: | + Minimum input voltage limit in µV with a 100000 µV step + minimum: 3900000 + maximum: 5400000 + + input-current-limit-microamp: + description: | + Maximum input current limit in µA with a 100000 µA step + minimum: 100000 + maximum: 3200000 + + monitored-battery: + $ref: /schemas/types.yaml#/definitions/phandle + description: phandle to the battery node being monitored + + interrupts: + maxItems: 1 + description: | + Interrupt sends an active low, 256 μs pulse to host to report the charger + device status and faults. + +required: + - compatible + - reg + - monitored-battery + +additionalProperties: false + +examples: + - | + bat: battery { + compatible = "simple-battery"; + constant-charge-current-max-microamp = <2040000>; + constant-charge-voltage-max-microvolt = <4352000>; + precharge-current-microamp = <180000>; + charge-term-current-microamp = <180000>; + }; + #include + #include + i2c { + + clock-frequency = <400000>; + + #address-cells = <1>; + #size-cells = <0>; + + charger@6b { + compatible = "ti,bq25601"; + reg = <0x6b>; + monitored-battery = <&bat>; + + interrupt-parent = <&gpio1>; + interrupts = <16 IRQ_TYPE_EDGE_FALLING>; + ti,watchdog-timeout-ms = <40000>; + + input-voltage-limit-microvolt = <4500000>; + input-current-limit-microamp = <2400000>; + }; + }; +...