From patchwork Tue Mar 8 01:18:09 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zev Weiss X-Patchwork-Id: 549466 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 2F997C433EF for ; Tue, 8 Mar 2022 01:18:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244251AbiCHBTa (ORCPT ); Mon, 7 Mar 2022 20:19:30 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52360 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234265AbiCHBT3 (ORCPT ); Mon, 7 Mar 2022 20:19:29 -0500 Received: from thorn.bewilderbeest.net (thorn.bewilderbeest.net [IPv6:2605:2700:0:5::4713:9cab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D60B936E33; Mon, 7 Mar 2022 17:18:31 -0800 (PST) Received: from hatter.bewilderbeest.net (174-21-187-98.tukw.qwest.net [174.21.187.98]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: zev) by thorn.bewilderbeest.net (Postfix) with ESMTPSA id D33867C8; Mon, 7 Mar 2022 17:18:30 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bewilderbeest.net; s=thorn; t=1646702311; bh=gr2x0McqUm6AttCXHBXmPoHrzYua62hvh5ryRZTRS7Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=XAER39zXNAdf6FGdGARa83+dH6IQkjhJlJA5pDlCxAqtAkj3qyC9htgGBj9YRAmXd q0G9hjEiCrEnPGCNW+LeA+RMLUZ3olqIArXDr/pYly7TNTpAbQNqw4oI9ysSmZPgvb jU2bPjXkIenCCshN6p1FHfYKEh2g5LIL0biM3SFM= From: Zev Weiss To: Rob Herring , devicetree@vger.kernel.org Cc: Zev Weiss , openbmc@lists.ozlabs.org, Greg Kroah-Hartman , linux-kernel@vger.kernel.org, Arnd Bergmann , Mark Brown , Liam Girdwood Subject: [PATCH v2 1/2] dt-bindings: Add power-efuse binding Date: Mon, 7 Mar 2022 17:18:09 -0800 Message-Id: <20220308011811.10353-2-zev@bewilderbeest.net> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220308011811.10353-1-zev@bewilderbeest.net> References: <20220308011811.10353-1-zev@bewilderbeest.net> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org This can be used to describe a power output supplied by a regulator device that the system controls. Signed-off-by: Zev Weiss --- .../devicetree/bindings/misc/power-efuse.yaml | 49 +++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 Documentation/devicetree/bindings/misc/power-efuse.yaml diff --git a/Documentation/devicetree/bindings/misc/power-efuse.yaml b/Documentation/devicetree/bindings/misc/power-efuse.yaml new file mode 100644 index 000000000000..5f8f0b21af0e --- /dev/null +++ b/Documentation/devicetree/bindings/misc/power-efuse.yaml @@ -0,0 +1,49 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/misc/power-efuse.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Generic power efuse device + +maintainers: + - Zev Weiss + +description: | + This binding describes a physical power output supplied by a + regulator providing efuse functionality (manual on/off control, and + auto-shutoff if current, voltage, or thermal limits are exceeded). + + These may be found on systems such as "smart" network PDUs, and + typically supply power to devices entirely separate from the system + described by the device-tree by way of an external connector such as + an Open19 power cable: + + https://www.open19.org/marketplace/coolpower-cable-assembly-8ru/ + +properties: + compatible: + const: power-efuse + + vout-supply: + description: + phandle to the regulator providing power for the efuse + + error-flags-cache-ttl-ms: + description: + The number of milliseconds the vout-supply regulator's error + flags should be cached before re-fetching them. + +required: + - compatible + - vout-supply + +additionalProperties: false + +examples: + - | + efuse { + compatible = "power-efuse"; + vout-supply = <&efuse_reg>; + error-flags-cache-ttl-ms = <500>; + };