From patchwork Fri Dec 24 21:39:21 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Vasil X-Patchwork-Id: 12699132 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 E6AFBC433F5 for ; Fri, 24 Dec 2021 21:52:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236589AbhLXVw4 (ORCPT ); Fri, 24 Dec 2021 16:52:56 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34574 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231639AbhLXVw4 (ORCPT ); Fri, 24 Dec 2021 16:52:56 -0500 Received: from mail-ed1-x52b.google.com (mail-ed1-x52b.google.com [IPv6:2a00:1450:4864:20::52b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9930EC061401 for ; Fri, 24 Dec 2021 13:52:55 -0800 (PST) Received: by mail-ed1-x52b.google.com with SMTP id j21so37284006edt.9 for ; Fri, 24 Dec 2021 13:52:55 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=sender:from:to:subject:date:message-id:in-reply-to:references :reply-to:mime-version:content-transfer-encoding; bh=bLPKiuECka/YE3JJhoSvhijCqaMQjSLtYjjU3gVDyq8=; b=GQi3Sq3qWYQu+x4crrqxzV3WRSRDF3trB5dMo5Q62UGfpSb3p7KWKysN+5nLUAhBoQ 4nC9YpB0fmKyZ1InYBb34WlJDQFYDIf3lKCHDjqZ+k61vxsipwn2nXvKLh+eDiI1KKkF kts2thtNPbBL2VmgACrqDIpX+kCCMmqK/uxRdjwLjafw9PSDG0fLoV7BJDLkrji6BHs8 UaiSgoPRKu9zyZvtJ0By9OCITbcYWB84KxU3wcDnsIfJ12jYzli4rVdXbitWLhrwv/Nd OgaJHfSha3Xs6LCoDBrWCPfls8o1QPMABDyOywTfjUQQctPPDvaAAw/42qvKji46rRU7 mhQA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:sender:from:to:subject:date:message-id :in-reply-to:references:reply-to:mime-version :content-transfer-encoding; bh=bLPKiuECka/YE3JJhoSvhijCqaMQjSLtYjjU3gVDyq8=; b=b9wLaCPi8wRNg7mqLCpJ+5ddSDcskbyIsc65ZOa/pOPmxOr+cSkuHBWjqJ/lGa5Dsj LjZa4TinREOFuG7bQPyNt7nZT/cvwQjUwl6G+fquemzfJKoaTj3NMOlwxRsHwYnICx1b UslyFwfkV8+K1+tSo0xw3WQl/OjKG1dB5/23Gd9FBL7Cm22P0hQG5I8+pqtd0g90Gb+r gmQmy42LZgNqpSOGSggXnz2ichyHbwPLJHhORnR6VhSDDsB+2PKkuuzmMB1Gj+L4yzZ/ qPF2E0wY/rQ7JZZ5A9nTiZgI/pv8Bbu34dZz2MH30bGUQF8X/U0M2tHYPKYt6a3VTj5j +GDQ== X-Gm-Message-State: AOAM5333RWk1VLUrcPfD/CigYmQKkwsrmm7oHp/suUmbwiz2mdnqIN2/ b63Fg6xy5/gZjMsQuTKmAPTktO5o720= X-Google-Smtp-Source: ABdhPJyHepFlhUHgKm3A6/PpNzGPyddR1kcdEX3ZbP0u9JoGtjfGHT1fGMreqPPWBw54adqE02sFbQ== X-Received: by 2002:a17:906:888f:: with SMTP id ak15mr6382425ejc.0.1640382774229; Fri, 24 Dec 2021 13:52:54 -0800 (PST) Received: from localhost.localdomain (bband-dyn119.178-40-49.t-com.sk. [178.40.49.119]) by smtp.gmail.com with ESMTPSA id di5sm3021692ejc.45.2021.12.24.13.52.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 24 Dec 2021 13:52:53 -0800 (PST) Sender: Peter Vasil From: peter.vasil@gmail.com To: peter.vasil@gmail.com, linux-omap@vger.kernel.org Subject: [PATCH 2/6] dt-bindings: regulator: Nokia Tahvo/Betty ASIC Vcore regulator Date: Fri, 24 Dec 2021 22:39:21 +0100 Message-Id: <20211224214512.1583430-3-peter.vasil@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211224214512.1583430-1-peter.vasil@gmail.com> References: <20211224214512.1583430-1-peter.vasil@gmail.com> Reply-To: peter.vasil@gmail.com MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org From: Peter Vasil One of the functions of Tahvo/Betty ASIC MFD chip is a voltage regulator for Vcore output, adjustable from 1.005V to 1.475V. On Nokia N8x0 Internet Tablet devices, this controls power to the Epson S1D13745 framebuffer IC. Reviewed-by: Tony Lindgren --- .../nokia,tahvo-vcore-regulator.yaml | 41 +++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 Documentation/devicetree/bindings/regulator/nokia,tahvo-vcore-regulator.yaml diff --git a/Documentation/devicetree/bindings/regulator/nokia,tahvo-vcore-regulator.yaml b/Documentation/devicetree/bindings/regulator/nokia,tahvo-vcore-regulator.yaml new file mode 100644 index 000000000000..5e1e98c32311 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/nokia,tahvo-vcore-regulator.yaml @@ -0,0 +1,41 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/regulator/nokia,tahvo-vcore-regulator.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Nokia Tahvo/Betty ASIC Vcore regulator + +maintainers: + - Peter Vasil + +description: | + One of the functions of Tahvo/Betty ASIC MFD chip is a voltage regulator + for Vcore output, adjustable from 1.005V to 1.475V. + On Nokia N8x0 Internet Tablet devices, this controls power to the Epson + S1D13745 framebuffer IC. + +allOf: + - $ref: "regulator.yaml#" + +properties: + compatible: + const: nokia,tahvo-vcore-regulator + +required: + - compatible + +unevaluatedProperties: false + +examples: + - | + tahvo { + tahvo_vcore { + compatible = "nokia,tahvo-vcore-regulator"; + regulator-name = "tornado_vcore"; + regulator-min-microvolt = <1500000>; + regulator-max-microvolt = <3000000>; + regulator-always-on; + }; + }; +...