From patchwork Tue Aug 10 02:54:33 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chris Morgan X-Patchwork-Id: 495407 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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham 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 C163EC432BE for ; Tue, 10 Aug 2021 02:54:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A2E9D6101D for ; Tue, 10 Aug 2021 02:54:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235257AbhHJCzO (ORCPT ); Mon, 9 Aug 2021 22:55:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44786 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232968AbhHJCzN (ORCPT ); Mon, 9 Aug 2021 22:55:13 -0400 Received: from mail-ot1-x32e.google.com (mail-ot1-x32e.google.com [IPv6:2607:f8b0:4864:20::32e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7FA5BC0613D3; Mon, 9 Aug 2021 19:54:52 -0700 (PDT) Received: by mail-ot1-x32e.google.com with SMTP id d10-20020a9d4f0a0000b02904f51c5004e3so16047329otl.9; Mon, 09 Aug 2021 19:54:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=AXpc99n4MUgAooECetaziYMLNx4QWnC4XCxkO2+s1cU=; b=JE+3dodsleEaqADGGlbjnZthv7gZfg+EBun52/Qc1VojEGuv0XrF0qqNTJCSlg6oV9 uxZA/YJPO+XBxymoZLVltefPd99EQfDV+XZAAxYh8tqd7yXt00nV5CwP1eTWmXGHBoxf KDyJAFGG5hk5/y+CGC2eIp2VEt1E9NO6gSxI+cODaWusb0gD9KYj5o4mDvtlHI04WoSd 1KlfyBEvb/Cvke+gX1aIIsn8BAzdQZHhyk8guIbjdIfKk33JD5OywmPA2OyQCrsIo5qN Pps4IKzO56bK8YuIMOWNXtrvS7TutnhOhnTOb5xIO9DRDcFvLj7UYqgYIcJ+gfM6jqkq 9YyA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=AXpc99n4MUgAooECetaziYMLNx4QWnC4XCxkO2+s1cU=; b=ombxO6k1FTIX6UBcQPmhlGJsRufcaj2Jf9F/8apw6EWgI8x7AZCZMP2wEk9sRlmo7n zU47wHtXoBG65+KosXJb+IPU+dNR35AuaVD+tqZ09mQil7FVbruPraL4aL0AgFZbM4M4 INCMztcC68yi9Zz5hQ+kIKyMfN0YWc6up2uFtgeHOT+5uV9iXrrWYElAgtc7CyprOSFm p+vbQdULf2P2Bo7T7vk0/HwaCDVANvDZa4frEwKD89faXsUksXin3kSMNwPJVy+noUTN h8rc2QgQ4IQo1n8O8yBKMlL1ongYYY3KI2R3vCi3TBP2aqXTOdf/wj2lzEOii17i/laM nykQ== X-Gm-Message-State: AOAM530Si4l1/2ZUOKRhkJK8Xw2HODOiW+CkJog/fn/8sZwIdl23ls5R /j0JYatV5TKIQp/UBOVaeyYTQR2NAZE= X-Google-Smtp-Source: ABdhPJw8yhd/QMz8mC1JOUkbfGSmv8jJhlEP0HqaeySBW/7k27lvYpjSdJzO9dRbcxg8tNgoVTkhLw== X-Received: by 2002:a05:6830:43ac:: with SMTP id s44mr19084601otv.74.1628564091566; Mon, 09 Aug 2021 19:54:51 -0700 (PDT) Received: from wintermute.localdomain (cpe-76-183-134-35.tx.res.rr.com. [76.183.134.35]) by smtp.gmail.com with ESMTPSA id h187sm3654898oif.48.2021.08.09.19.54.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 Aug 2021 19:54:51 -0700 (PDT) From: Chris Morgan To: linux-pm@vger.kernel.org Cc: linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, maccraft123mc@gmail.com, sre@kernel.org, heiko@sntech.de, robh+dt@kernel.org, lee.jones@linaro.org, pgwipeout@gmail.com, Chris Morgan Subject: [PATCH v3 1/4] dt-bindings: Add Rockchip rk817 battery charger support Date: Mon, 9 Aug 2021 21:54:33 -0500 Message-Id: <20210810025436.23367-2-macroalpha82@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210810025436.23367-1-macroalpha82@gmail.com> References: <20210810025436.23367-1-macroalpha82@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Chris Morgan Create dt-binding documentation to document rk817 battery and charger usage. New device-tree properties have been added. - rockchip,resistor-sense-micro-ohms: The value in microohms of the sample resistor. - rockchip,sleep-enter-current-microamp: The value in microamps of the sleep enter current. - rockchip,sleep-filter-current: The value in microamps of the sleep filter current. Signed-off-by: Chris Morgan Signed-off-by: Maya Matuszczyk --- .../devicetree/bindings/mfd/rk808.txt | 36 ++++++++++++++++++- 1 file changed, 35 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/mfd/rk808.txt b/Documentation/devicetree/bindings/mfd/rk808.txt index 23a17a6663ec..89b9fa7e10b5 100644 --- a/Documentation/devicetree/bindings/mfd/rk808.txt +++ b/Documentation/devicetree/bindings/mfd/rk808.txt @@ -70,13 +70,40 @@ Optional RK817 properties: - vcc8-supply: The input supply for BOOST - vcc9-supply: The input supply for OTG_SWITCH + - codec: The child node for the codec to hold additional properties. If no additional properties are required for the codec, this node can be omitted. - - rockchip,mic-in-differential: Telling if the microphone uses differential mode. Should be under the codec child node. +- battery: The child node for the charger to hold additional properties. + If a battery is not in use, this node can be omitted. If a + battery node is used, the following values are required: + rockchip,resistor-sense, rockchip,sleep-enter-current, + rockchip,sleep-filter-current, and a phandle to a + monitored-battery node that contains a valid value for + charge-full-design-microamp-hours, + charge-term-current-microamp, + constant-charge-current-max-microamp, + constant-charge-voltage-max-microvolt, + voltage-max-design-microvolt, voltage-min-design-microvolt, + and a valid ocv-capacity table. +- rockchip,resistor-sense-micro-ohms: Value in microohms of the battery sense + resistor. The PMIC only supports values + of either 10000 or 20000. This value is + used by the driver to set the correct + divisor value to translate ADC readings + into the proper units of measure. +- rockchip,sleep-enter-current-microamp: Value in microamps of the sleep enter + current for the charger. Value is used + by the driver to calibrate the relax + threshold. +- rockchip,sleep-filter-current-microamp: Value in microamps of the sleep + filter current for the charger. + Value is used by the driver to derive + the sleep sample current. + Optional RK818 properties: - vcc1-supply: The input supply for DCDC_REG1 - vcc2-supply: The input supply for DCDC_REG2 @@ -459,6 +486,13 @@ Example: }; }; + rk817_battery: battery { + monitored-battery = <&battery_cell>; + rockchip,resistor-sense-micro-ohms = <10000>; + rockchip,sleep-enter-current-microamp = <300000>; + rockchip,sleep-filter-current-microamp = <100000>; + }; + rk817_codec: codec { rockchip,mic-in-differential; };