From patchwork Fri Mar 12 15:43:23 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sebastian Reichel X-Patchwork-Id: 399913 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=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, UNPARSEABLE_RELAY, 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 67AAEC43331 for ; Fri, 12 Mar 2021 15:45:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4694864FDD for ; Fri, 12 Mar 2021 15:45:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232333AbhCLPog (ORCPT ); Fri, 12 Mar 2021 10:44:36 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47026 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232516AbhCLPoM (ORCPT ); Fri, 12 Mar 2021 10:44:12 -0500 Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e3e3]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 47248C061763; Fri, 12 Mar 2021 07:44:12 -0800 (PST) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: sre) with ESMTPSA id 6AD5A1F46E70 Received: by jupiter.universe (Postfix, from userid 1000) id 321EA4800DC; Fri, 12 Mar 2021 16:44:08 +0100 (CET) From: Sebastian Reichel To: Sebastian Reichel , Rob Herring Cc: linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Sebastian Reichel , kernel@collabora.com Subject: [PATCH 04/38] dt-bindings: power: supply: bq25890: Convert to DT schema format Date: Fri, 12 Mar 2021 16:43:23 +0100 Message-Id: <20210312154357.1561730-5-sebastian.reichel@collabora.com> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210312154357.1561730-1-sebastian.reichel@collabora.com> References: <20210312154357.1561730-1-sebastian.reichel@collabora.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Convert the binding to DT schema format. Signed-off-by: Sebastian Reichel --- .../bindings/power/supply/bq25890.txt | 60 --------- .../bindings/power/supply/bq25890.yaml | 125 ++++++++++++++++++ 2 files changed, 125 insertions(+), 60 deletions(-) delete mode 100644 Documentation/devicetree/bindings/power/supply/bq25890.txt create mode 100644 Documentation/devicetree/bindings/power/supply/bq25890.yaml diff --git a/Documentation/devicetree/bindings/power/supply/bq25890.txt b/Documentation/devicetree/bindings/power/supply/bq25890.txt deleted file mode 100644 index 805040c6fff9..000000000000 --- a/Documentation/devicetree/bindings/power/supply/bq25890.txt +++ /dev/null @@ -1,60 +0,0 @@ -Binding for TI bq25890 Li-Ion Charger - -This driver will support the bq25892, the bq25896 and the bq25890. There are -other ICs in the same family but those have not been tested. - -Required properties: -- compatible: Should contain one of the following: - * "ti,bq25890" - * "ti,bq25892" - * "ti,bq25895" - * "ti,bq25896" -- reg: integer, i2c address of the device. -- interrupts: interrupt line; -- ti,battery-regulation-voltage: integer, maximum charging voltage (in uV); -- ti,charge-current: integer, maximum charging current (in uA); -- ti,termination-current: integer, charge will be terminated when current in - constant-voltage phase drops below this value (in uA); -- ti,precharge-current: integer, maximum charge current during precharge - phase (in uA); -- ti,minimum-sys-voltage: integer, when battery is charging and it is below - minimum system voltage, the system will be regulated above - minimum-sys-voltage setting (in uV); -- ti,boost-voltage: integer, VBUS voltage level in boost mode (in uV); -- ti,boost-max-current: integer, maximum allowed current draw in boost mode - (in uA). - -Optional properties: -- ti,boost-low-freq: boolean, if present boost mode frequency will be 500kHz, - otherwise 1.5MHz; -- ti,use-ilim-pin: boolean, if present the ILIM resistor will be used and the - input current will be the lower between the resistor setting and the IINLIM - register setting; -- ti,thermal-regulation-threshold: integer, temperature above which the charge - current is lowered, to avoid overheating (in degrees Celsius). If omitted, - the default setting will be used (120 degrees); -- ti,ibatcomp-micro-ohms: integer, value of a resistor in series with - the battery; -- ti,ibatcomp-clamp-microvolt: integer, maximum charging voltage adjustment due - to expected voltage drop on in-series resistor; - -Example: - -bq25890 { - compatible = "ti,bq25890"; - reg = <0x6a>; - - interrupt-parent = <&gpio1>; - interrupts = <16 IRQ_TYPE_EDGE_FALLING>; - - ti,battery-regulation-voltage = <4200000>; - ti,charge-current = <1000000>; - ti,termination-current = <50000>; - ti,precharge-current = <128000>; - ti,minimum-sys-voltage = <3600000>; - ti,boost-voltage = <5000000>; - ti,boost-max-current = <1000000>; - - ti,use-ilim-pin; - ti,thermal-regulation-threshold = <120>; -}; diff --git a/Documentation/devicetree/bindings/power/supply/bq25890.yaml b/Documentation/devicetree/bindings/power/supply/bq25890.yaml new file mode 100644 index 000000000000..de6e03ec120c --- /dev/null +++ b/Documentation/devicetree/bindings/power/supply/bq25890.yaml @@ -0,0 +1,125 @@ +# SPDX-License-Identifier: GPL-2.0 +# Copyright (C) 2021 Sebastian Reichel +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/power/supply/bq25890.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Binding for bq25890, bq25892, bq25895 and bq25896 Li-Ion Charger + +maintainers: + - Sebastian Reichel + +allOf: + - $ref: power-supply.yaml# + +properties: + compatible: + enum: + - ti,bq25890 + - ti,bq25892 + - ti,bq25895 + - ti,bq25896 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + ti,battery-regulation-voltage: + $ref: /schemas/types.yaml#/definitions/uint32 + description: maximum charging voltage (in uV) + + ti,charge-current: + $ref: /schemas/types.yaml#/definitions/uint32 + description: maximum charging current (in uA) + + ti,termination-current: + $ref: /schemas/types.yaml#/definitions/uint32 + description: | + charge will be terminated when current in constant-voltage phase + drops below this value (in uA) + + ti,precharge-current: + $ref: /schemas/types.yaml#/definitions/uint32 + description: maximum charge current during precharge phase (in uA) + + ti,minimum-sys-voltage: + $ref: /schemas/types.yaml#/definitions/uint32 + description: | + when battery is charging and it is below minimum system voltage, + the system will be regulated above minimum-sys-voltage setting (in uV) + + ti,boost-voltage: + $ref: /schemas/types.yaml#/definitions/uint32 + description: VBUS voltage level in boost mode (in uV) + + ti,boost-max-current: + $ref: /schemas/types.yaml#/definitions/uint32 + description: maximum allowed current draw in boost mode (in uA) + + ti,boost-low-freq: + description: boost mode frequency will be 500kHz, otherwise 1.5MHz + type: boolean + + ti,use-ilim-pin: + description: | + ILIM resistor will be used and the input current will be the lower + between the resistor setting and the IINLIM register setting + type: boolean + + ti,thermal-regulation-threshold: + $ref: /schemas/types.yaml#/definitions/uint32 + description: | + temperature above which the charge current is lowered, to avoid overheating + (in degrees Celsius). If omitted, the default setting will be used (120 degrees) + + ti,ibatcomp-micro-ohms: + $ref: /schemas/types.yaml#/definitions/uint32 + description: value of a resistor in series with the battery (in Micro Ohms) + + ti,ibatcomp-clamp-microvolt: + $ref: /schemas/types.yaml#/definitions/uint32 + description: max. charging voltage adjustment due to expected voltage drop on in-series resistor + +required: + - compatible + - reg + - interrupts + - ti,battery-regulation-voltage + - ti,charge-current + - ti,termination-current + - ti,precharge-current + - ti,minimum-sys-voltage + - ti,boost-voltage + - ti,boost-max-current + +additionalProperties: false + +examples: + - | + #include + i2c0 { + #address-cells = <1>; + #size-cells = <0>; + + charger@6a { + compatible = "ti,bq25890"; + reg = <0x6a>; + + interrupt-parent = <&gpio1>; + interrupts = <16 IRQ_TYPE_EDGE_FALLING>; + + ti,battery-regulation-voltage = <4200000>; + ti,charge-current = <1000000>; + ti,termination-current = <50000>; + ti,precharge-current = <128000>; + ti,minimum-sys-voltage = <3600000>; + ti,boost-voltage = <5000000>; + ti,boost-max-current = <1000000>; + + ti,use-ilim-pin; + ti,thermal-regulation-threshold = <120>; + }; + };