From patchwork Mon Jul 31 17:06:24 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nikita Travkin X-Patchwork-Id: 13335300 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 B824DC001E0 for ; Mon, 31 Jul 2023 17:11:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232840AbjGaRLf (ORCPT ); Mon, 31 Jul 2023 13:11:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39214 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233096AbjGaRLW (ORCPT ); Mon, 31 Jul 2023 13:11:22 -0400 Received: from box.trvn.ru (box.trvn.ru [194.87.146.52]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AED8D35AD; Mon, 31 Jul 2023 10:07:45 -0700 (PDT) Received: from authenticated-user (box.trvn.ru [194.87.146.52]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by box.trvn.ru (Postfix) with ESMTPSA id 46F38423EC; Mon, 31 Jul 2023 22:06:44 +0500 (+05) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=trvn.ru; s=mail; t=1690823204; bh=SqI9LjfeszS9ddVacQJ7LtuNyQ3l163VDzjnQYL9Q40=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=g6zR/XVazhALC4nulmfaGhnwbyMy2/zChe8zRaYWc89r+NOxXf035dTWQ70FRfXSz 3JblA6EWnKn0qEo8xU+T9iWAo59mwW7GsGS/6gmeL992Rik1PbVPVqcPx9O6Zqsg2l jEIYj0LfPUPUAYJLi/ThJvikSmoo6ZHeEUJi6MIoAMXwMlUjg5v16GJrL2kxXXtt2a 6WVFg2puXisyARFeG/55gB13aGbK2BTa02bI99turBhjGqLATCKQQpHbnNQhyO4h3B VPKLykE2bvlx30H1HOO6alCuoLbrTBc2aEEQSI5yysUPcCFp1l9neOUuA6jYSzUi9R IEhWZjup1xpfA== From: Nikita Travkin Date: Mon, 31 Jul 2023 22:06:24 +0500 Subject: [PATCH v2 1/4] dt-bindings: power: supply: Add pm8916 VM-BMS MIME-Version: 1.0 Message-Id: <20230731-pm8916-bms-lbc-v2-1-82a4ebb39c16@trvn.ru> References: <20230731-pm8916-bms-lbc-v2-0-82a4ebb39c16@trvn.ru> In-Reply-To: <20230731-pm8916-bms-lbc-v2-0-82a4ebb39c16@trvn.ru> To: Sebastian Reichel , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, Nikita Travkin X-Developer-Signature: v=1; a=openpgp-sha256; l=2880; i=nikita@trvn.ru; h=from:subject:message-id; bh=SqI9LjfeszS9ddVacQJ7LtuNyQ3l163VDzjnQYL9Q40=; b=owEBbQKS/ZANAwAIAUMc7O4oGb91AcsmYgBkx+oiPbrolN3UUSZJIri35XiJtmfD8tp8lTac2 X5NBdDqwEaJAjMEAAEIAB0WIQTAhK9UUj+qg34uxUdDHOzuKBm/dQUCZMfqIgAKCRBDHOzuKBm/ dU80D/4vI6j6cEVM8l7Fac5uOv6qkfOXFlQHhT/pjzxvHQblu80F0I1vrtb1xy5Yjr3WZZr+pFW 3vr69pO3Iipg3BQsufH8EtUkCsBInA+QGJhqB5ifb1+kFdg75KNye4AGUjD/3uN7fca/aBJGvVD Cfj1sWoEj3FOf8x4avsOMuSMZwfInZxKYb1tdfjZBYyz5R2kNxTq442Jo7l1vdiKBRU0hB286oe SKuNtXLOHRgExOkp6ESwh+Co+oaUcFGV+AVo46u97HcvJxz3A0lq/t+El9KeLYjm5GCpY+sEbL4 EWO+yB5z6fpT0k22I9HDaisT+4MJ1iuSJq7YI9Nv+eXXqZE1vzWUIPiXK6CZuu/bOcWh9xBF5dj oqW3uJMV4WPVjzpQgGWOJSZDqXYWrG+kUA1AUa4OcrpHFFfCeoXr32Udw4C2OPnZc2j6bbTen+E rZ3V13QPzqc8CjsqhtFeDnk7adzpuIMV3Rt6z2WHb6XArDCKLl59V6RIkh3/HVUW5+PFYP3lF+0 FUal/N+p1VJ8BTTmtyBvOYbjhI8LoH0R6vVE32g9aHZnCzh5lox1Q1Ksn/JSzQUiuyRuFRpFCCm qIscNERcs7fgcTEqeksDgSO+lsY/OTKW05/S7BquVyjWJw2H+ctVqizNE23p35m/JsoL/cPpPRG MHRFmMu7jSgR59g== X-Developer-Key: i=nikita@trvn.ru; a=openpgp; fpr=C084AF54523FAA837E2EC547431CECEE2819BF75 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Qualcomm Voltage Mode BMS is a battery monitoring block in PM8916 PMIC. Document it's DT binding. Signed-off-by: Nikita Travkin Reviewed-by: Rob Herring --- v2: Describe all interrupts. (Conor) --- .../bindings/power/supply/qcom,pm8916-bms-vm.yaml | 83 ++++++++++++++++++++++ 1 file changed, 83 insertions(+) diff --git a/Documentation/devicetree/bindings/power/supply/qcom,pm8916-bms-vm.yaml b/Documentation/devicetree/bindings/power/supply/qcom,pm8916-bms-vm.yaml new file mode 100644 index 000000000000..ad764e69ab57 --- /dev/null +++ b/Documentation/devicetree/bindings/power/supply/qcom,pm8916-bms-vm.yaml @@ -0,0 +1,83 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/power/supply/qcom,pm8916-bms-vm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Voltage Mode BMS + +maintainers: + - Nikita Travkin + +description: + Voltage Mode BMS is a hardware block found in some Qualcomm PMICs + such as pm8916. This block performs battery voltage monitoring. + +allOf: + - $ref: power-supply.yaml# + +properties: + compatible: + const: qcom,pm8916-bms-vm + + reg: + maxItems: 1 + + interrupts: + items: + - description: BMS FSM left S3 mode + - description: BMS FSM entered S2 mode + - description: OCV measured in S3 mode + - description: OCV below threshold + - description: FIFO update done + - description: BMS FSM switched state + + interrupt-names: + items: + - const: cv_leave + - const: cv_enter + - const: ocv_good + - const: ocv_thr + - const: fifo + - const: state_chg + + monitored-battery: true + + power-supplies: true + +required: + - compatible + - reg + - interrupts + - interrupt-names + - monitored-battery + +additionalProperties: false + +examples: + - | + #include + pmic { + #address-cells = <1>; + #size-cells = <0>; + + battery@4000 { + compatible = "qcom,pm8916-bms-vm"; + reg = <0x4000>; + interrupts = <0x0 0x40 0 IRQ_TYPE_EDGE_RISING>, + <0x0 0x40 1 IRQ_TYPE_EDGE_RISING>, + <0x0 0x40 2 IRQ_TYPE_EDGE_RISING>, + <0x0 0x40 3 IRQ_TYPE_EDGE_RISING>, + <0x0 0x40 4 IRQ_TYPE_EDGE_RISING>, + <0x0 0x40 5 IRQ_TYPE_EDGE_RISING>; + interrupt-names = "cv_leave", + "cv_enter", + "ocv_good", + "ocv_thr", + "fifo", + "state_chg"; + + monitored-battery = <&battery>; + power-supplies = <&pm8916_charger>; + }; + };