From patchwork Mon Oct 3 09:48:11 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: ChiYuan Huang X-Patchwork-Id: 12997408 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 42E8CC433F5 for ; Mon, 3 Oct 2022 09:49:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231376AbiJCJt3 (ORCPT ); Mon, 3 Oct 2022 05:49:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58328 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230375AbiJCJtH (ORCPT ); Mon, 3 Oct 2022 05:49:07 -0400 Received: from mail-pg1-x535.google.com (mail-pg1-x535.google.com [IPv6:2607:f8b0:4864:20::535]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F330623BC1; Mon, 3 Oct 2022 02:48:24 -0700 (PDT) Received: by mail-pg1-x535.google.com with SMTP id 3so9256213pga.1; Mon, 03 Oct 2022 02:48:24 -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:subject:date; bh=5mygVAeb+okazNpWHFc/r08PAR7GJtsUFHb0BZGcCrE=; b=fKZz+gyjMuV4SPTx9NYFvn+UaPPwf8HEWHFZiz6j4WGgI6tSe3d+2dgFYOlF3+UNnE aMzFMt2AHae9F4Z5S78lpi8RQgUPd4Mn/i2PuxEzgY+YqTKhVX8zFbPSPcSZl4u35dG1 FK4lkEuGppuPBliAWo0sGAuVtkGew5OysEDR5Nmh2eQuB5m1VhULy1SyYvgd83lRoCvn rYVq01pvspk+xpVUlqMTq1tmEjHRI+l53M+nbll3G4tQ6g7Q9EYh8rkfUppZ70JOSB2C 9Dv4WDX6r65N5U61bljfQbrH5W4pDUO6fg8kL4qNgJ2yzGx8EqJ451aB5XTq5KFHwBH/ IQoA== 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:subject:date; bh=5mygVAeb+okazNpWHFc/r08PAR7GJtsUFHb0BZGcCrE=; b=lX7yRXORH4KHz7IKFuP67TrgJpEcJBoNfspTJn5d1kzPBlYZEKiO5OqmchWTyEwtsK SJiyFgQ7mIrmo7EI7bGDSyGfYgHkw7NgcD304f9XLg4Z1GULSfEI8vJfXfm5jAgYveFa Rr49iMeTFMj8MkXWRgxFLkpVyMxRoNWZQcLipXGTxhde182zTKM0WbzwOkmmxhxZLq2n 66dwW6BNuJk5H40efNGVJ1gWqyXc17TvRj6rUYEXwqzYzgU5q27MSvhHiZvFHeHcp+iZ LHtmuWwECsj/wy+LHjGRJPcF4KdPQdi/lmLKPtqdFc89cXZ6Qk5Uj5FshRz7EuhZOLfx fiaw== X-Gm-Message-State: ACrzQf3WC8IlxM696y+54aPp7aodJFWCp+M9sq/GRnSbaXz91JF2PPhi 7OsVLMoETpR9/Ef/6GDjcCM= X-Google-Smtp-Source: AMsMyM6eVqjl/kWPW/aXnWjlEHGfqllxRco7+xY4afM+K6UZUrXP++why0HwrzQE0dtgD+ZZQqkMfg== X-Received: by 2002:a65:4048:0:b0:441:85ee:7a6a with SMTP id h8-20020a654048000000b0044185ee7a6amr13614459pgp.39.1664790503137; Mon, 03 Oct 2022 02:48:23 -0700 (PDT) Received: from localhost.localdomain ([2402:7500:587:da00:1dbc:8208:4596:9e9c]) by smtp.gmail.com with ESMTPSA id t23-20020a6564d7000000b0043014f9a4c9sm6142230pgv.93.2022.10.03.02.48.20 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 03 Oct 2022 02:48:22 -0700 (PDT) From: cy_huang To: robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, sre@kernel.org Cc: cy_huang@richtek.com, allen_chiang@richtek.com, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/3] dt-bindings: power: supply: Add Richtek RT9759 smart cap divider charger Date: Mon, 3 Oct 2022 17:48:11 +0800 Message-Id: <1664790493-16386-2-git-send-email-u0084500@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1664790493-16386-1-git-send-email-u0084500@gmail.com> References: <1664790493-16386-1-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 RT9759 smart cap divider charger. Signed-off-by: ChiYuan Huang Reviewed-by: Rob Herring --- .../bindings/power/supply/richtek,rt9759.yaml | 61 ++++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 Documentation/devicetree/bindings/power/supply/richtek,rt9759.yaml diff --git a/Documentation/devicetree/bindings/power/supply/richtek,rt9759.yaml b/Documentation/devicetree/bindings/power/supply/richtek,rt9759.yaml new file mode 100644 index 00000000..04fc6b0 --- /dev/null +++ b/Documentation/devicetree/bindings/power/supply/richtek,rt9759.yaml @@ -0,0 +1,61 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/power/supply/richtek,rt9759.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Richtek RT9759 Smart Cap Divider Charger + +maintainers: + - ChiYuan Huang + +description: | + The RT9759 is a high efficiency and high charge current charger. + The efficiency is up to 97.8% when VBAT = 4.2V, IBAT = 2.5A and the maximum + charge current is up to 8A. The device integrates smart cap divider topology + with dual phase charge pump core. The ADCs provide input and output voltage, + current and temperature information to monitor the whole charging process. + + Datasheet is available at + https://www.richtek.com/assets/product_file/RT9759/DS9759-02.pdf + +properties: + compatible: + enum: + - richtek,rt9759 + + reg: + maxItems: 1 + + wakeup-source: true + + interrupts: + maxItems: 1 + + shunt-resistor-micro-ohms: + description: Battery current sense resistor mounted. + default: 2000 + +required: + - compatible + - reg + - wakeup-source + - interrupts + +additionalProperties: false + +examples: + - | + #include + i2c { + #address-cells = <1>; + #size-cells = <0>; + + charger@66 { + compatible = "richtek,rt9759"; + reg = <0x66>; + wakeup-source; + interrupts-extended = <&gpio_intc 32 IRQ_TYPE_EDGE_FALLING>; + shunt-resistor-micro-ohms = <5000>; + }; + };