From nobody Fri Dec 19 17:16:27 2025 Received: from azure-sdnproxy.icoremail.net (azure-sdnproxy.icoremail.net [52.229.205.26]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 838B2302CC3; Fri, 5 Dec 2025 09:05:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=52.229.205.26 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764925509; cv=none; b=XEpp7sTAfw8Eu+n8KeSXRUW16nn+mJc0Q3tBI8HxFOFcwe8+Nbtx/gk3mCvmfvS18i+WSYRxiHGKxHgmBzcgo70ECJTt4LY1ej5LJbHfh1WiqlAYnrAAq1H+HOdT4Dzi618w4RXdM9ZNcX+8LKuUZhtCv/8ShCApPegD6FnSs74= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764925509; c=relaxed/simple; bh=aYA1fVu5HnF8pTxQfWHxypGKDFNWYQtNrYuYZ0a5kwE=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=IH8QrpEyq/XLuV54jVRGBJAwuOOQrv7YhGWw2DGyWOU5B0/aOuNZL8BqKOXsFnTuraK9DU6MUvRQ1k51a+V1NcHSpu8tXy3td69PHTCaOnc15mdktLU9x9doyEP6QqrzJ7L0LfKGHdcYGyCDHmcziId0PihHrVh1XU0RS2yrEiI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=eswincomputing.com; spf=pass smtp.mailfrom=eswincomputing.com; arc=none smtp.client-ip=52.229.205.26 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=eswincomputing.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=eswincomputing.com Received: from E0005152DT.eswin.cn (unknown [10.12.96.41]) by app1 (Coremail) with SMTP id TAJkCgCXkWk0oDJpctmBAA--.42178S2; Fri, 05 Dec 2025 17:04:53 +0800 (CST) From: dongxuyang@eswincomputing.com To: ukleinek@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, p.zabel@pengutronix.de, linux-pwm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: ningyu@eswincomputing.com, linmin@eswincomputing.com, xuxiang@eswincomputing.com, wangguosheng@eswincomputing.com, pinkesh.vaghela@einfochips.com, Xuyang Dong Subject: [PATCH 1/2] dt-bindings: pwm: eswin: Add EIC7700 pwm controller Date: Fri, 5 Dec 2025 17:04:50 +0800 Message-Id: <20251205090450.1446-1-dongxuyang@eswincomputing.com> X-Mailer: git-send-email 2.31.1.windows.1 In-Reply-To: <20251205090411.1388-1-dongxuyang@eswincomputing.com> References: <20251205090411.1388-1-dongxuyang@eswincomputing.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: TAJkCgCXkWk0oDJpctmBAA--.42178S2 X-Coremail-Antispam: 1UD129KBjvJXoW7Ww4fAF4rXry7WF45Gw17Wrg_yoW8KF47pF 4xCFWUtrnagF17WanYqF1I9F13Xa97GF18Krs2g3Z0q3s0g3Z0qw43Kry5JF97Ar1xXFy5 GF9agw12ya18A3DanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUBv14x267AKxVW8JVW5JwAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2ocxC64kIII0Yj41l84x0c7CEw4AK67xGY2AK02 1l84ACjcxK6xIIjxv20xvE14v26w1j6s0DM28EF7xvwVC0I7IYx2IY6xkF7I0E14v26r4U JVWxJr1l84ACjcxK6I8E87Iv67AKxVW0oVCq3wA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_Gc CE3s1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E 2Ix0cI8IcVAFwI0_JrI_JrylYx0Ex4A2jsIE14v26r1j6r4UMcvjeVCFs4IE7xkEbVWUJV W8JwACjcxG0xvY0x0EwIxGrwACjI8F5VA0II8E6IAqYI8I648v4I1lFIxGxcIEc7CjxVA2 Y2ka0xkIwI1lw4CEc2x0rVAKj4xxMxkF7I0En4kS14v26r1q6r43MxkIecxEwVCm-wCF04 k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r18 MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_Jw0_GFylIxkGc2Ij64vIr4 1lIxAIcVC0I7IYx2IY67AKxVWUJVWUCwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Gr0_Cr1l IxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvEx4 A2jsIEc7CjxVAFwI0_Gr0_Gr1UYxBIdaVFxhVjvjDU0xZFpf9x0JUXJ5wUUUUU= X-CM-SenderInfo: pgrqw5xx1d0w46hv4xpqfrz1xxwl0woofrz/ Content-Type: text/plain; charset="utf-8" From: Xuyang Dong Introduce device-tree binding documentation for ESWIN EIC7700 pwm controller. Signed-off-by: Xiang Xu Signed-off-by: Guosheng Wang Signed-off-by: Xuyang Dong --- .../bindings/pwm/eswin,eic7700-pwm.yaml | 73 +++++++++++++++++++ 1 file changed, 73 insertions(+) create mode 100644 Documentation/devicetree/bindings/pwm/eswin,eic7700-pwm= .yaml diff --git a/Documentation/devicetree/bindings/pwm/eswin,eic7700-pwm.yaml b= /Documentation/devicetree/bindings/pwm/eswin,eic7700-pwm.yaml new file mode 100644 index 000000000000..8b7dc7d4dffe --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/eswin,eic7700-pwm.yaml @@ -0,0 +1,73 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pwm/eswin,eic7700-pwm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ESWIN EIC7700 PWM controller + +maintainers: + - Xiang Xu + - Guosheng Wang + - Xuyang Dong + +description: | + The EIC7700 PWM used the DesignWare APB timers module. The PWM driver + supports a duty cycle range from 0% to 100%, with explicit support for + both 0% and 100% duty cycles. + +allOf: + - $ref: pwm.yaml# + +properties: + compatible: + const: eswin,eic7700-pwm + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + resets: + maxItems: 1 + + "#pwm-cells": + const: 3 + + pinctrl-0: true + pinctrl-1: true + + pinctrl-names: + minItems: 1 + items: + - const: default + - const: sleep + + snps,pwm-full-range-enable: + type: boolean + description: | + Enable support for 0% and 100% duty cycle. + When present, the PWM controller can output 0% and 100% duty cycles. + +required: + - compatible + - reg + - clocks + - resets + - snps,pwm-full-range-enable + +additionalProperties: false + +examples: + - | + pwm@50818000 { + compatible =3D "eswin,eic7700-pwm"; + reg =3D <0x50818000 0x4000>; + clocks =3D <&clock 242>; + resets =3D <&reset 136>; + #pwm-cells =3D <3>; + pinctrl-names =3D "default"; + pinctrl-0 =3D <&fan_pwm>; + snps,pwm-full-range-enable; + }; --=20 2.34.1