From patchwork Thu Jul 22 19:14:27 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chris Morgan X-Patchwork-Id: 12394519 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=-13.7 required=3.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED,DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,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 EB014C4338F for ; Thu, 22 Jul 2021 19:15:00 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id AD99660E74 for ; Thu, 22 Jul 2021 19:15:00 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org AD99660E74 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=zuuHN0FcuCwaCXd1TJ4VTfmwE+5wggsnCIrME6m9iDM=; b=TCqZP/D85Ubo89 EDi/oOkunfJE5EEaaHeh0H9RZ83QAzUNEI8sEx2cn/5tLTbaMCTZNRqAkKIVebxdyY7bWF9Z+bjmQ bhVdz3FEjww7ba4XxIVSlwg1Adx4qsEKkAYUocTHyGspudN/vnbqIkucNu/Yas+45ky6bhWKLVj05 ziLpO86QwLsaV8hkjptoJssJSVGEPg5RzT5wJB5AFBz3gqD+ZmYpmzqnkQfZtVIeY8AWEfNqkOAe1 4p//4NyDdKz52Mh+jtxP977+Lx8T4Gp0N96E6dYyPi2uM7oirkylV6OiWBHoiKGjtZsZqPcvyiSZY pKWlmoaQ372rhIxyIEBQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1m6e9o-002VBx-IL; Thu, 22 Jul 2021 19:14:56 +0000 Received: from mail-ot1-x334.google.com ([2607:f8b0:4864:20::334]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1m6e9Z-002V7N-CJ; Thu, 22 Jul 2021 19:14:42 +0000 Received: by mail-ot1-x334.google.com with SMTP id f12-20020a056830204cb029048bcf4c6bd9so6293494otp.8; Thu, 22 Jul 2021 12:14:40 -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=0aWNNv9WpUcy7y4m+gwqybbiitO/w79/3+r+dgiLdyo=; b=Fe3cv5d9j3Cm64YrBiB8CZCXxUwQDfbrwSWxNvP+JGwPMLmEwQW1xE+wW8yQSJ7Plr wL+BV12UeiM5IlXkwnJg7m2p86JzMnRESVsps+4gDCXRvBhXWlfevoevAuCw7ia8Xaoi 1o6NJQGRZ2cVSBnifsljUvrs4vrA1owaHFk/ipKy3ar0NL5s9MG0Ehm1c6HLezKwV8UO yFxdoBacgvds2uE/MhUo1fdfCsibXYU5akPOfem/Qxc7C4jmA9dzJQlaO9bLLXd5ievO /tZ9+9RdE6taZMDj3x5ickdKlvYDf0eCxxRJyLluztzU6i1IrZh3xTx1/hcIouNBs1tr 4Bcw== 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=0aWNNv9WpUcy7y4m+gwqybbiitO/w79/3+r+dgiLdyo=; b=k0CEAaOltNksCvRYwkzOlTWEQhRbHGrayJzNLuYWzPAZ3dBZwCauaTESeRyeCjgPIF lF1PexhQLXP2GhRp4bQzHtkJlAAL6oSTWTLsl3tkO9bMiPP/ZCaAQ5TCGSRycvXMRfk6 m6VVrb/BhH+CLqysrJGO8cf2Qe0xsGTzoIM+aqYmVYGWAGL3ec9rAcXI9SyOxyBYKgOy oIf8MMmwmd82CgS5ReGrSq1pc/L4nag7JjC0Y3ejLBwnoXCx6m1E2Hbrg67CpVfjr6vx FvzMe6zlBQpCKA2n7cNd99yWLpzo2IPAglQiDNW8FxDPOyjuXS+/zsMoTvqjM036lcTp TMFQ== X-Gm-Message-State: AOAM531ZUCG3qc/n8DWfeynxafyVwZeed5ve+Lq/WAKwdmjmOOXt2ldR gCulMAiNyyt6qHo7rCzCO5ntC0yX7gw= X-Google-Smtp-Source: ABdhPJyveC7de70TPyQMb+WzgNIRTCsr1ebcGRtb/SzH8FpGrs9tKjSyhYQt1aQzyc3zRo3Ut/sWWQ== X-Received: by 2002:a05:6830:2317:: with SMTP id u23mr870801ote.88.1626981279867; Thu, 22 Jul 2021 12:14:39 -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 r26sm3106167ooh.32.2021.07.22.12.14.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 Jul 2021 12:14:39 -0700 (PDT) From: Chris Morgan To: linux-rockchip@lists.infradead.org Cc: linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, maccraft123mc@gmail.com, sre@kernel.org, heiko@sntech.de, robh+dt@kernel.org, lee.jones@linaro.org, Chris Morgan Subject: [RFC 1/4] dt-bindings: Add Rockchip rk817 battery charger support Date: Thu, 22 Jul 2021 14:14:27 -0500 Message-Id: <20210722191430.28203-2-macroalpha82@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210722191430.28203-1-macroalpha82@gmail.com> References: <20210722191430.28203-1-macroalpha82@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210722_121441_486704_EC3B767F X-CRM114-Status: GOOD ( 15.20 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.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: The value in microohms of the sample resistor. - rockchip,sleep-enter-current: 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 --- .../devicetree/bindings/mfd/rk808.txt | 35 +++++++++++++++++-- 1 file changed, 33 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/mfd/rk808.txt b/Documentation/devicetree/bindings/mfd/rk808.txt index 23a17a6663ec..fa42b6253d26 100644 --- a/Documentation/devicetree/bindings/mfd/rk808.txt +++ b/Documentation/devicetree/bindings/mfd/rk808.txt @@ -70,13 +70,37 @@ 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 +- 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: 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: 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: 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 +483,13 @@ Example: }; }; + rk817_battery: battery { + monitored-battery = <&battery_cell>; + rockchip,resistor-sense = <10000>; + rockchip,sleep-enter-current = <300000>; + rockchip,sleep-filter-current = <100000>; + }; + rk817_codec: codec { rockchip,mic-in-differential; };