From patchwork Thu Aug 11 13:41:57 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: ChiYuan Huang X-Patchwork-Id: 12941447 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9914AC19F2D for ; Thu, 11 Aug 2022 13:42:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234360AbiHKNmM (ORCPT ); Thu, 11 Aug 2022 09:42:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53156 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234346AbiHKNmK (ORCPT ); Thu, 11 Aug 2022 09:42:10 -0400 Received: from mail-pj1-x102c.google.com (mail-pj1-x102c.google.com [IPv6:2607:f8b0:4864:20::102c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F149515A22; Thu, 11 Aug 2022 06:42:08 -0700 (PDT) Received: by mail-pj1-x102c.google.com with SMTP id p14-20020a17090a74ce00b001f4d04492faso5142460pjl.4; Thu, 11 Aug 2022 06:42:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=references:in-reply-to:message-id:date:subject:cc:to:from:from:to :cc; bh=C9JOnmvFZ7+tSs4+U0VVYxRsrqWxPNaYC2qEG4pJcA8=; b=p6T+0EOy8CtfR2AAvycMEZdj7x5+Ssfzyj2Pllpb1QkaoVD8nFI0wjtDS3k4xkKuAY Br/GYZgj4YADEeI0eqCjUXYgG4AhHwVeeNxManTGt6vbARAiXjgjvxtWpNKwTp6LFpDK A2Y4ABGIHWZHUrhTQZZNTerVdmmAo7Xn8DjciUCsRbDjoftZCJv8Xr4FAO5xjn02mR6Q ZK1jPCLKi9Uelx+YZuF0UB9o2PjofUV7SYni99s0F/sR0PG/H25TDVwkMMc6s5FLHrPT syQWAbHMSjDGfS3tbf6qOzoe2avlc8m1nduWulLEAcSlLgtnGxvO31/AEIR/3BSYNWjE hjjA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=references:in-reply-to:message-id:date:subject:cc:to:from :x-gm-message-state:from:to:cc; bh=C9JOnmvFZ7+tSs4+U0VVYxRsrqWxPNaYC2qEG4pJcA8=; b=dMawydPSBRL/+H3nCwYRLPvJZpY4vHgMXkMRfvBg4llGRpYduukl6ZGeyXcZYpo/8A DiaDweXgLVjx2lXvbRPxqGhRIdzEBFy10aC3RpgyzhF7wLyJT2Kx3o5Sjp1RVArBfH1u CFic7nztSE4sXNm3UU/UIylves5pl6D6UuYxbawaS7ZgAP/YfW3IU50RNqZd/v32dOok u3IGARNQfOK5ziqKgCYi3kraplMUuCDQlu7JqP5NGhymHZHizm55k8cQB/B/GsNm7pem EE/8kUGDPwtF8vLxgos2MQ5SYHITLYsqRmre2JakO86GOIzBfbMF2J9I61LkqIMobewa t9Dw== X-Gm-Message-State: ACgBeo2GyS+b7KetCJWJhF4fdrt+RV8kllMXVAaTYtAoh9l16H9qM/RK Xx62u74LrpVYKm7NPZbRlqjKs9HcOAQ= X-Google-Smtp-Source: AA6agR5wmNc0PKac+9ijwjA2EJfA6LRoH2+eDYeHx31WVKWqHGvUp1ofpzHnXp9GATIZiOF9+kuDyw== X-Received: by 2002:a17:903:264b:b0:16d:b891:593 with SMTP id je11-20020a170903264b00b0016db8910593mr33465166plb.133.1660225328432; Thu, 11 Aug 2022 06:42:08 -0700 (PDT) Received: from localhost.localdomain (1-171-1-124.dynamic-ip.hinet.net. [1.171.1.124]) by smtp.gmail.com with ESMTPSA id b11-20020a170903228b00b0016edff78844sm14887753plh.277.2022.08.11.06.42.05 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 11 Aug 2022 06:42:08 -0700 (PDT) From: cy_huang To: robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, sre@kernel.org Cc: alina_yu@richtek.com, cy_huang@richtek.com, alinayu829@gmail.com, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/2] dt-bindings: power: supply: Add Richtek RT9471 battery charger Date: Thu, 11 Aug 2022 21:41:57 +0800 Message-Id: <1660225318-4063-2-git-send-email-u0084500@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1660225318-4063-1-git-send-email-u0084500@gmail.com> References: <1660225318-4063-1-git-send-email-u0084500@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org From: ChiYuan Huang Add bindings for the Richtek RT9471 I2C controlled battery charger. Co-developed-by: Alina Yu Signed-off-by: Alina Yu Signed-off-by: ChiYuan Huang --- .../bindings/power/supply/richtek,rt9471.yaml | 78 ++++++++++++++++++++++ 1 file changed, 78 insertions(+) create mode 100644 Documentation/devicetree/bindings/power/supply/richtek,rt9471.yaml diff --git a/Documentation/devicetree/bindings/power/supply/richtek,rt9471.yaml b/Documentation/devicetree/bindings/power/supply/richtek,rt9471.yaml new file mode 100644 index 00000000..6fef1bd --- /dev/null +++ b/Documentation/devicetree/bindings/power/supply/richtek,rt9471.yaml @@ -0,0 +1,78 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/power/supply/richtek,rt9471.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Richtek RT9471 3A Single Cell Switching Battery charger + +maintainers: + - Alina Yu + - ChiYuan Huang + +description: | + RT9471 is a switch-mode single cell Li-Ion/Li-Polymer battery charger for + portable applications. It supports USB BC1.2 port detection, current and + voltage regulations in both charging and boost mode. + + Datasheet is available at + https://www.richtek.com/assets/product_file/RT9471=RT9471D/DS9471D-02.pdf + +properties: + compatible: + const: richtek,rt9471 + + reg: + maxItems: 1 + + ceb-gpios: + maxItems: 1 + + wakeup-source: true + + interrupts: + maxItems: 1 + + interrupt-controller: true + + "#interrupt-cells": + const: 1 + + usb-otg-vbus-regulator: + type: object + unevaluatedProperties: false + $ref: /schemas/regulator/regulator.yaml# + +required: + - compatible + - reg + - wakeup-source + - interrupts + - interrupt-controller + - "#interrupt-cells" + +additionalProperties: false + +examples: + - | + #include + i2c { + #address-cells = <1>; + #size-cells = <0>; + + charger@53 { + compatible = "richtek,rt9471"; + reg = <0x53>; + ceb-gpios = <&gpio26 1 0>; + wakeup-source; + interrupts-extended = <&gpio1 32 IRQ_TYPE_EDGE_FALLING>; + interrupt-controller; + #interrupt-cells = <1>; + + usb-otg-vbus-regulator { + regulator-compatible = "usb-otg-vbus"; + regulator-min-microvolt = <4850000>; + regulator-max-microvolt = <5300000>; + }; + }; + };