From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from azure-sdnproxy.icoremail.net (azure-sdnproxy.icoremail.net [52.175.55.52]) by smtp.subspace.kernel.org (Postfix) with ESMTP id BA57449620; Wed, 15 Apr 2026 09:50:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=52.175.55.52 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776246652; cv=none; b=pIkOXjfPrvubMxGbgQ4KVyNzXGS+1jBESQj5xSbRxLtuNN5nDOw9GOMh1FuBZ3jFaDdZAcGLy8eGVUSnndgcoa9EZwsLVviy5kwZjq3PXQwBXTZ2OU0SqaAmKfFHhKMnuUAxvpqXLC8MPKAIQIjfOp2ByvDOPaBF/OSiqCzTYkw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776246652; c=relaxed/simple; bh=8IQa4cY03S5QfTv0xJSuJITE5Sln/HnAKl65dub12L0=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=eYc+YlFforFwnKqe5zdJybqH+6XZCx/VFaqdbHK9eFo+XANJfRfAs7fWW8/5USSoCTk9N0QWIpmiZhHcmUs6rVrhRMgvEBDbqCx2r2SJxpVzbtK8s3CsSgWdphwv7bQFhXGyvf7gqBfolMgc+H9uY32hgNTNuvRQfgkVSnOC2v8= 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=52.175.55.52 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 app2 (Coremail) with SMTP id TQJkCgDX7aBgX99pTuMRAA--.14964S2; Wed, 15 Apr 2026 17:50:25 +0800 (CST) From: dongxuyang@eswincomputing.com To: ukleinek@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, ben-linux@fluff.org, ben.dooks@codethink.co.uk, 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 v4 1/2] dt-bindings: pwm: dwc: add reset optional Date: Wed, 15 Apr 2026 17:50:20 +0800 Message-Id: <20260415095020.1597-1-dongxuyang@eswincomputing.com> X-Mailer: git-send-email 2.31.1.windows.1 In-Reply-To: <20260415094908.1539-1-dongxuyang@eswincomputing.com> References: <20260415094908.1539-1-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: 8bit X-CM-TRANSID:TQJkCgDX7aBgX99pTuMRAA--.14964S2 X-Coremail-Antispam: 1UD129KBjvdXoWruF4UtFWkGrWDAryUCrW8Xrb_yoWkJrc_uF 4fZan8WFW5JFyrKrs8tr4xJF1Yyw17GF4kJrn8KFn7u3Wqk3yUWr95tryUury7Wan3uFyr uFWftr9rtrnrKjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbhxFF20E14v26r4j6ryUM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_tr0E3s1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr1j 6F4UJwA2z4x0Y4vEx4A2jsIE14v26rxl6s0DM28EF7xvwVC2z280aVCY1x0267AKxVW0oV Cq3wAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0 I7IYx2IY67AKxVWUAVWUtwAv7VC2z280aVAFwI0_Jr0_Gr1lOx8S6xCaFVCjc4AY6r1j6r 4UM4x0Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwACI402YVCY1x02628v n2kIc2xKxwAKzVCY07xG64k0F24lc7CjxVAaw2AFwI0_Jw0_GFylc2xSY4AK6svPMxAIw2 8IcxkI7VAKI48JMxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4l x2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVW8ZVWrXwCIc40Y0x0EwIxGrw CI42IY6xIIjxv20xvE14v26r1j6r1xMIIF0xvE2Ix0cI8IcVCY1x0267AKxVW8JVWxJwCI 42IY6xAIw20EY4v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Jr0_Gr1lIxAIcVC2z2 80aVCY1x0267AKxVW8JVW8JrUvcSsGvfC2KfnxnUUI43ZEXa7VUbQJ57UUUUU== X-CM-SenderInfo: pgrqw5xx1d0w46hv4xpqfrz1xxwl0woofrz/ From: Xuyang Dong The DesignWare PWM includes separate reset signals dedicated to each clock domain: The presetn signal resets logic in pclk domain. The timer_N_resetn signal resets logic in the timer_N_clk domain. The resets are active-low. Signed-off-by: Xuyang Dong --- .../devicetree/bindings/pwm/snps,dw-apb-timers-pwm2.yaml | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/devicetree/bindings/pwm/snps,dw-apb-timers-pwm2.yaml b/Documentation/devicetree/bindings/pwm/snps,dw-apb-timers-pwm2.yaml index 7523a89a1773..a8bbad0360f8 100644 --- a/Documentation/devicetree/bindings/pwm/snps,dw-apb-timers-pwm2.yaml +++ b/Documentation/devicetree/bindings/pwm/snps,dw-apb-timers-pwm2.yaml @@ -43,6 +43,9 @@ properties: - const: bus - const: timer + resets: + maxItems: 2 + snps,pwm-number: $ref: /schemas/types.yaml#/definitions/uint32 description: The number of PWM channels configured for this instance -- 2.34.1