From patchwork Thu Mar 9 22:50:31 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sebastian Reichel X-Patchwork-Id: 661413 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 37037C61DA4 for ; Thu, 9 Mar 2023 22:50:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231290AbjCIWuy (ORCPT ); Thu, 9 Mar 2023 17:50:54 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56288 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230093AbjCIWux (ORCPT ); Thu, 9 Mar 2023 17:50:53 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5684BE841B; Thu, 9 Mar 2023 14:50:47 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id D4A7B61D0E; Thu, 9 Mar 2023 22:50:46 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 00744C4339B; Thu, 9 Mar 2023 22:50:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1678402246; bh=T2m9FARCQakjOu5gGr8+fVrNfdOmvCfKaWsccO+YD5k=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=gb6Gm1T2ILsdxCDVZETBEkU1XPniS+tw2i2tNvRHqWSHCtpDASlciuF7JlasIYztt KvMj1iQqzSILJeO2NLlftJyev3Z5qJsYTw07/Ioe6l+SYLP9+g333TZs9cnQkZn7xu IXPeRG0FM/ROcBW2+kKjJuBL+qXNPtXzCHMlo7+QMD+GySgKM4uO5ReEOCbE0cPSh5 OHSO38dbRsxYWThikticoYf6zSAxZO8sU116XvsOHayXMfwhz1RkNGC2cG1MgsOjie lzqpGaz/Cuo5sayivfXpNa7GOuSm9mXqq34nbmtPrLVx6Y2XozqJ/IMr4uKdcG7xtx 0RffqHMV4Rm0Q== Received: by mercury (Postfix, from userid 1000) id 6151C106069D; Thu, 9 Mar 2023 23:50:43 +0100 (CET) From: Sebastian Reichel To: Sebastian Reichel Cc: Linus Walleij , Matti Vaittinen , Rob Herring , Krzysztof Kozlowski , linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCHv1 01/11] dt-bindings: power: supply: adc-battery: add binding Date: Thu, 9 Mar 2023 23:50:31 +0100 Message-Id: <20230309225041.477440-2-sre@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230309225041.477440-1-sre@kernel.org> References: <20230309225041.477440-1-sre@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Add binding for a battery that is only monitored via ADC channels and simple status GPIOs. Signed-off-by: Sebastian Reichel --- .../bindings/power/supply/adc-battery.yaml | 67 +++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 Documentation/devicetree/bindings/power/supply/adc-battery.yaml diff --git a/Documentation/devicetree/bindings/power/supply/adc-battery.yaml b/Documentation/devicetree/bindings/power/supply/adc-battery.yaml new file mode 100644 index 000000000000..9d478bf9d2ee --- /dev/null +++ b/Documentation/devicetree/bindings/power/supply/adc-battery.yaml @@ -0,0 +1,67 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/power/supply/adc-battery.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ADC battery + +maintainers: + - Sebastian Reichel + +description: | + Basic Battery, which only reports (in circuit) voltage and optionally + current via an ADC channel. + +allOf: + - $ref: power-supply.yaml# + +properties: + compatible: + const: adc-battery + + charged-gpios: + description: + GPIO which signals that the battery is fully charged. + maxItems: 1 + + io-channels: + minItems: 1 + maxItems: 3 + + io-channel-names: + oneOf: + - const: voltage + - items: + - const: voltage + - enum: + - current + - power + - items: + - const: voltage + - const: current + - const: power + + monitored-battery: true + +required: + - compatible + - io-channels + - io-channel-names + - monitored-battery + +unevaluatedProperties: false + +examples: + - | + #include + + fuel-gauge { + compatible = "adc-battery"; + charged-gpios = <&gpio 42 GPIO_ACTIVE_HIGH>; + io-channels = <&adc 13>, <&adc 37>; + io-channel-names = "voltage", "current"; + + power-supplies = <&charger>; + monitored-battery = <&battery>; + };