From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.andi.de1.cc (mail.andi.de1.cc [178.238.236.174]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6219F2F6585; Thu, 13 Nov 2025 23:11:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=178.238.236.174 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763075500; cv=none; b=sO86KvHp4SrLbm4ruUtNCgkJe3kLQnFa6j4i3Y03fKv6PgF8uudQ5az6l6tjtfmCut/cfsn5SHf/MwCM+DyephkCo2E+672LCLyBqwD2+65ftS1m/G2q1FnpM2RXIHjp7gdrXvvHg/lOECsolloYoYIoYoyJBXxs4rqPiMfPGMg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763075500; c=relaxed/simple; bh=eW434AzTthzShhSP9k4agJhCm8IckIw44BA0AY/lGNg=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=ZCn6DsFXUiF1yzfvUfhcPN7jUScYqeK2S7z76w8IPs5XLwQUhjjDrK0KUneBpQCCxHCE9BWA3PbmsSGYVsoJ8/MhSpfcjcvwIIvx37Qb840LiXAnVyTrb41jRzxP62mxKjUYcKXI0KnpB3caO0nMFnEe2JqjKezCliD0URJKbEQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=kemnade.info; spf=pass smtp.mailfrom=kemnade.info; dkim=pass (2048-bit key) header.d=kemnade.info header.i=@kemnade.info header.b=8JZ3odAk; arc=none smtp.client-ip=178.238.236.174 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=kemnade.info Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=kemnade.info Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kemnade.info header.i=@kemnade.info header.b="8JZ3odAk" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=kemnade.info; s=20220719; h=Cc:In-Reply-To:References:From:Sender:Reply-To: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID; bh=awmJtLJBvhAfwJnDUR/tVhpFnJ0yeqggY8R7Yl2jinA=; b=8JZ3odAkDwIxRt0Sbmf1ehIxnk ixxd7/wA4mpFm7dvsT8xGyG9PxNgUqPcdVT3vazbgiU1XSiGISF2p3ojkIJ1bgGmyKW7ATalnD0f0 MvZv6R6RoUuYjN/0kAbuhjMe+LfXJkVusUedvBilvdcM2YtPZUpxK4DWzy4UxnvJtPSmt/SwuJTzh YHq9t7nkDuOSBPyF5gQcNH7fY/ZT3f6K4b9d3llFI9+cxlQjufB8qCoi+J7x75ax9P2lt9qlhfWUo AtCR/WdTHwIWL82Smn+aiV6n2/MLTpIR6k1S0Ke8MgqTzuXjn8dqWSOENPJo8AhQGFuB1H04I/7Jw JTifXStw==; From: Andreas Kemnade Date: Fri, 14 Nov 2025 00:06:42 +0100 Subject: [PATCH v2 2/3] dt-bindings: regulator: Add Fitipower FP9931/JD9930 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20251114-fp9931-submit-v2-2-cd6998932c4c@kemnade.info> References: <20251114-fp9931-submit-v2-0-cd6998932c4c@kemnade.info> In-Reply-To: <20251114-fp9931-submit-v2-0-cd6998932c4c@kemnade.info> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Liam Girdwood , Mark Brown , Guenter Roeck Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hwmon@vger.kernel.org, Andreas Kemnade X-Mailer: b4 0.15-dev-a6db3 X-Developer-Signature: v=1; a=openpgp-sha256; l=3561; i=andreas@kemnade.info; h=from:subject:message-id; bh=eW434AzTthzShhSP9k4agJhCm8IckIw44BA0AY/lGNg=; b=owGbwMvMwCUm/rzkS6lq2x3G02pJDJliKWd1d/34WelteL7DeuKUJJ1Zq7ace7ZwzfNay9VGD Gp85dIqHSUsDGJcDLJiiiy/rBXcPqk8yw2eGmEPM4eVCWQIAxenAEzE5BIjw4HQimwu06T+8//U J29rOpHrL/HyzZF7Uh/CTEJuGscWrGP4whFUJOvnOWt60qwGkwCvtVe1jY3XP+sX+8le+MC59SE HAA== X-Developer-Key: i=andreas@kemnade.info; a=openpgp; fpr=EEC0DB858E66C0DA70620AC07DBD6AC74DE29324 Document the FP9931/JD9930. As the FP9931 is a clear subset of the JD9930, define it as a fallback compatible. GPIO names are same as in the datasheet except for the EN pad which is described as "enable". Signed-off-by: Andreas Kemnade --- .../bindings/regulator/fitipower,fp9931.yaml | 110 +++++++++++++++++++++ 1 file changed, 110 insertions(+) diff --git a/Documentation/devicetree/bindings/regulator/fitipower,fp9931.yaml b/Documentation/devicetree/bindings/regulator/fitipower,fp9931.yaml new file mode 100644 index 000000000000..28802e4518c3 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/fitipower,fp9931.yaml @@ -0,0 +1,110 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/regulator/fitipower,fp9931.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: FitiPower FP9931/JD9930 Power Management Integrated Circuit + +maintainers: + - Andreas Kemnade + +description: + FP9931 is a Power Management IC to provide Power for EPDs with one 3.3V + switch, 2 symmetric LDOs behind 2 DC/DC converters, and one unsymmetric + regulator for a compensation voltage. + JD9930 has in addition some kind of night mode. + +properties: + compatible: + oneOf: + - const: fitipower,fp9931 + + - items: + - const: fitipower,jd9930 + - const: fitipower,fp9931 + + reg: + maxItems: 1 + + enable-gpios: + maxItems: 1 + + pg-gpios: + maxItems: 1 + + en-ts-gpios: + maxItems: 1 + + xon-gpios: + maxItems: 1 + + vin-supply: + description: + Supply for the whole chip. Some vendor kernels and devicetrees + declare this as a non-existing GPIO named "pwrall". + + fitipower,tdly-ms: + description: + Power up soft start delay settings tDLY1-4 bitfields in the + POWERON_DELAY register + items: + - enum: [0, 1, 2, 4] + - enum: [0, 1, 2, 4] + - enum: [0, 1, 2, 4] + - enum: [0, 1, 2, 4] + + regulators: + type: object + additionalProperties: false + patternProperties: + "^(vcom|vposneg|v3p3)$": + unevaluatedProperties: false + type: object + $ref: /schemas/regulator/regulator.yaml + +required: + - compatible + - reg + - pg-gpios + - enable-gpios + +additionalProperties: false + +examples: + - | + #include + i2c { + #address-cells = <1>; + #size-cells = <0>; + + pmic@18 { + compatible = "fitipower,fp9931"; + reg = <0x18>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_fp9931_gpio>; + vin-supply = <&epd_pmic_supply>; + pg-gpios = <&gpio2 7 GPIO_ACTIVE_HIGH>; + en-ts-gpios = <&gpio2 9 GPIO_ACTIVE_HIGH>; + enable-gpios = <&gpio2 8 GPIO_ACTIVE_HIGH>; + fitipower,tdly-ms = <2 2 4 4>; + + regulators { + vcom { + regulator-name = "vcom"; + regulator-min-microvolt = <2352840>; + regulator-max-microvolt = <2352840>; + }; + + vposneg { + regulator-name = "vposneg"; + regulator-min-microvolt = <15060000>; + regulator-max-microvolt = <15060000>; + }; + + v3p3 { + regulator-name = "v3p3"; + }; + }; + }; + }; -- 2.47.3