From patchwork Tue Oct 15 22:42:51 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marek Vasut X-Patchwork-Id: 1997710 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=denx.de header.i=@denx.de header.a=rsa-sha256 header.s=phobos-20191101 header.b=D/qt+ToT; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=139.178.88.99; helo=sv.mirrors.kernel.org; envelope-from=devicetree+bounces-111704-incoming-dt=patchwork.ozlabs.org@vger.kernel.org; receiver=patchwork.ozlabs.org) Received: from sv.mirrors.kernel.org (sv.mirrors.kernel.org [139.178.88.99]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4XSq0l0SjGz1xsc for ; Wed, 16 Oct 2024 09:44:39 +1100 (AEDT) Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sv.mirrors.kernel.org (Postfix) with ESMTPS id A95BB288B94 for ; Tue, 15 Oct 2024 22:44:37 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 721DD1D63D0; Tue, 15 Oct 2024 22:44:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=denx.de header.i=@denx.de header.b="D/qt+ToT" X-Original-To: devicetree@vger.kernel.org Received: from phobos.denx.de (phobos.denx.de [85.214.62.61]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C89531B0F32 for ; Tue, 15 Oct 2024 22:44:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=85.214.62.61 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729032244; cv=none; b=qINTgDXzY7d206JRwn5GT8bQBU9JCq05AM+ChGqLiFa58rLuqhpFSv3o5qbjdD2Vqctkoh4XzwzrnmbjSxmSDYuJgt1HwIxDCYTvRFxcQtR6nxaJebOjJy4NNPECQIFo7UL+Tar+fMY3KpiHECDYLv9pURum2T3DzspsII03jfo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729032244; c=relaxed/simple; bh=HRdx4WGv0IZR5n4PMa/Fp1NF4fdfPawGM6gpme7W9KQ=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=BcqShMRCjMpuIa9SyXURlkAV0gMRN+vaq8I+w1BsGGtk/SUPS2eQ4yOT04UwBqz3NbGOThs7cAwo/AvHMWHT4xrmZMzOP3DAokIA2rLGL3ZHEHdDgVK74or4qwg60uARxN9ohSkz8CYdrRsJJKj0DDw/xQgXmc0ivx3Saw+f6Us= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=denx.de; spf=pass smtp.mailfrom=denx.de; dkim=pass (2048-bit key) header.d=denx.de header.i=@denx.de header.b=D/qt+ToT; arc=none smtp.client-ip=85.214.62.61 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=denx.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=denx.de Received: from tr.lan (ip-86-49-120-218.bb.vodafone.cz [86.49.120.218]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: marex@denx.de) by phobos.denx.de (Postfix) with ESMTPSA id D72958899C; Wed, 16 Oct 2024 00:43:59 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1729032240; bh=ZErQuzrfKMGy66ijcZFDRjY1WpupiFjIFdWT0ECNhzE=; h=From:To:Cc:Subject:Date:From; b=D/qt+ToT74Kox0sE7aeVo89tLttZz3B83cJSH3Y7jVG3xfZMhPwOynLui1BZUDaQ6 2UvWH9Eq2NvazAy/aJrifCSCDpcFx5ItiAR4lJFswlaRpxI5GPbvi0+RUWW4o01dU2 zqAqVZksyhNYra1TN5q7kCCUjItCZ75a9PU+Pt7PxQ0PKsp+r0N2MOtVOC54yvjihA k1U/uPz54OVsP03aj8gtj1lxFZV+wE2tMIVRz6D6AG2m2S9pSbYoMxrccbOKGQVfp4 IP/gYJ6a7CEsmyKlKS6k5HemhdQ1YzuSuYNcCghQ7f6pYdjmsBOQvucKcRM+oiGnkQ N4AStseffcOqw== From: Marek Vasut To: devicetree@vger.kernel.org Cc: Marek Vasut , Conor Dooley , Krzysztof Kozlowski , Liam Girdwood , Mark Brown , Rob Herring , Tim Harvey , kernel@dh-electronics.com Subject: [PATCH] dt-bindings: regulator: lltc,ltc3676: convert to YAML Date: Wed, 16 Oct 2024 00:42:51 +0200 Message-ID: <20241015224343.94302-1-marex@denx.de> X-Mailer: git-send-email 2.45.2 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean Convert Linear Technology LTC3676 8-output I2C voltage regulator IC DT bindings to YAML DT. Add missing interrupts: property as this IC does have interrupt line and it is used in existing DTs. Signed-off-by: Marek Vasut Reviewed-by: Krzysztof Kozlowski --- Cc: Conor Dooley Cc: Krzysztof Kozlowski Cc: Liam Girdwood Cc: Mark Brown Cc: Rob Herring Cc: Tim Harvey Cc: devicetree@vger.kernel.org Cc: kernel@dh-electronics.com --- .../bindings/regulator/lltc,ltc3676.yaml | 171 ++++++++++++++++++ .../devicetree/bindings/regulator/ltc3676.txt | 94 ---------- 2 files changed, 171 insertions(+), 94 deletions(-) create mode 100644 Documentation/devicetree/bindings/regulator/lltc,ltc3676.yaml delete mode 100644 Documentation/devicetree/bindings/regulator/ltc3676.txt diff --git a/Documentation/devicetree/bindings/regulator/lltc,ltc3676.yaml b/Documentation/devicetree/bindings/regulator/lltc,ltc3676.yaml new file mode 100644 index 0000000000000..ec9ce856a944d --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/lltc,ltc3676.yaml @@ -0,0 +1,171 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/regulator/lltc,ltc3676.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Linear Technology LTC3676 8-output regulators + +maintainers: + - Tim Harvey + +description: | + LTC3676 contains eight regulators, 4 switching SW1..SW4 and four LDO1..4 . + +properties: + compatible: + const: lltc,ltc3676 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + regulators: + type: object + description: | + List of regulators provided by this controller, must be named + after their hardware counterparts (SW|LDO)[1-4]. + + patternProperties: + "^(sw[1-4]|ldo[24])$": + type: object + $ref: regulator.yaml# + description: + Properties for single SW or LDO regulator. Regulators SW1..SW4 can + regulate the feedback reference from 412.5mV to 800mV in 12.5 mV + steps. The output voltage thus ranges between 0.4125 * (1 + R1/R2) V + and 0.8 * (1 + R1/R2) V. + Regulators LDO1, LDO2, LDO4 have a fixed 0.725 V reference and thus + output 0.725 * (1 + R1/R2) V. + The LDO1 standby regulator can not be disabled and thus should have + the regulator-always-on property set. + + properties: + lltc,fb-voltage-divider: + description: + An array of two integers containing the resistor values + R1 and R2 of the feedback voltage divider in ohms. + $ref: /schemas/types.yaml#/definitions/uint32-array + minItems: 2 + maxItems: 2 + + required: + - lltc,fb-voltage-divider + + unevaluatedProperties: false + + properties: + ldo1: + type: object + $ref: regulator.yaml# + description: + The LDO1 standby regulator can not be disabled and thus should + have the regulator-always-on property set. See patternProperties + description above for the rest of the details. + + properties: + lltc,fb-voltage-divider: + description: + An array of two integers containing the resistor values + R1 and R2 of the feedback voltage divider in ohms. + $ref: /schemas/types.yaml#/definitions/uint32-array + minItems: 2 + maxItems: 2 + + required: + - lltc,fb-voltage-divider + - regulator-always-on + + unevaluatedProperties: false + + ldo3: + type: object + $ref: regulator.yaml# + description: + The LDO3 regulator is fixed to 1.8 V. See patternProperties + description above for the rest of the details. + + unevaluatedProperties: false + + additionalProperties: false + +required: + - compatible + - reg + - regulators + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + pmic@3c { + compatible = "lltc,ltc3676"; + reg = <0x3c>; + + regulators { + sw1_reg: sw1 { + regulator-min-microvolt = <674400>; + regulator-max-microvolt = <1308000>; + lltc,fb-voltage-divider = <127000 200000>; + regulator-ramp-delay = <7000>; + regulator-boot-on; + regulator-always-on; + }; + + sw2_reg: sw2 { + regulator-min-microvolt = <1033310>; + regulator-max-microvolt = <200400>; + lltc,fb-voltage-divider = <301000 200000>; + regulator-ramp-delay = <7000>; + regulator-boot-on; + regulator-always-on; + }; + + sw3_reg: sw3 { + regulator-min-microvolt = <674400>; + regulator-max-microvolt = <130800>; + lltc,fb-voltage-divider = <127000 200000>; + regulator-ramp-delay = <7000>; + regulator-boot-on; + regulator-always-on; + }; + + sw4_reg: sw4 { + regulator-min-microvolt = <868310>; + regulator-max-microvolt = <168400>; + lltc,fb-voltage-divider = <221000 200000>; + regulator-ramp-delay = <7000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo2_reg: ldo2 { + regulator-min-microvolt = <2490375>; + regulator-max-microvolt = <2490375>; + lltc,fb-voltage-divider = <487000 200000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo3_reg: ldo3 { + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-boot-on; + }; + + ldo4_reg: ldo4 { + regulator-min-microvolt = <3023250>; + regulator-max-microvolt = <3023250>; + lltc,fb-voltage-divider = <634000 200000>; + regulator-boot-on; + regulator-always-on; + }; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/regulator/ltc3676.txt b/Documentation/devicetree/bindings/regulator/ltc3676.txt deleted file mode 100644 index d4eb366ce18ce..0000000000000 --- a/Documentation/devicetree/bindings/regulator/ltc3676.txt +++ /dev/null @@ -1,94 +0,0 @@ -Linear Technology LTC3676 8-output regulators - -Required properties: -- compatible: "lltc,ltc3676" -- reg: I2C slave address - -Required child node: -- regulators: Contains eight regulator child nodes sw1, sw2, sw3, sw4, - ldo1, ldo2, ldo3, and ldo4, specifying the initialization data as - documented in Documentation/devicetree/bindings/regulator/regulator.txt. - -Each regulator is defined using the standard binding for regulators. The -nodes for sw1, sw2, sw3, sw4, ldo1, ldo2 and ldo4 additionally need to specify -the resistor values of their external feedback voltage dividers: - -Required properties (not on ldo3): -- lltc,fb-voltage-divider: An array of two integers containing the resistor - values R1 and R2 of the feedback voltage divider in ohms. - -Regulators sw1, sw2, sw3, sw4 can regulate the feedback reference from: -412.5mV to 800mV in 12.5 mV steps. The output voltage thus ranges between -0.4125 * (1 + R1/R2) V and 0.8 * (1 + R1/R2) V. - -Regulators ldo1, ldo2, and ldo4 have a fixed 0.725 V reference and thus output -0.725 * (1 + R1/R2) V. The ldo3 regulator is fixed to 1.8 V. The ldo1 standby -regulator can not be disabled and thus should have the regulator-always-on -property set. - -Example: - - ltc3676: pmic@3c { - compatible = "lltc,ltc3676"; - reg = <0x3c>; - - regulators { - sw1_reg: sw1 { - regulator-min-microvolt = <674400>; - regulator-max-microvolt = <1308000>; - lltc,fb-voltage-divider = <127000 200000>; - regulator-ramp-delay = <7000>; - regulator-boot-on; - regulator-always-on; - }; - - sw2_reg: sw2 { - regulator-min-microvolt = <1033310>; - regulator-max-microvolt = <200400>; - lltc,fb-voltage-divider = <301000 200000>; - regulator-ramp-delay = <7000>; - regulator-boot-on; - regulator-always-on; - }; - - sw3_reg: sw3 { - regulator-min-microvolt = <674400>; - regulator-max-microvolt = <130800>; - lltc,fb-voltage-divider = <127000 200000>; - regulator-ramp-delay = <7000>; - regulator-boot-on; - regulator-always-on; - }; - - sw4_reg: sw4 { - regulator-min-microvolt = <868310>; - regulator-max-microvolt = <168400>; - lltc,fb-voltage-divider = <221000 200000>; - regulator-ramp-delay = <7000>; - regulator-boot-on; - regulator-always-on; - }; - - ldo2_reg: ldo2 { - regulator-min-microvolt = <2490375>; - regulator-max-microvolt = <2490375>; - lltc,fb-voltage-divider = <487000 200000>; - regulator-boot-on; - regulator-always-on; - }; - - ldo3_reg: ldo3 { - regulator-min-microvolt = <1800000>; - regulator-max-microvolt = <1800000>; - regulator-boot-on; - }; - - ldo4_reg: ldo4 { - regulator-min-microvolt = <3023250>; - regulator-max-microvolt = <3023250>; - lltc,fb-voltage-divider = <634000 200000>; - regulator-boot-on; - regulator-always-on; - }; - }; - };