From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from relay6-d.mail.gandi.net (relay6-d.mail.gandi.net [217.70.183.198]) (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 053D31D79BE; Mon, 2 Dec 2024 16:45:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.70.183.198 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733157906; cv=none; b=Bnuiqw9ScVJFF+aehVnfzVZqeTsWlKg45fphRFEJU9aAOtxm8vF04W3Hkc1wHat3dpbS6/je1xe1yAVDHxG6V8N5k/7BslU+MndGap17pNbbJrACviGs0QJGfSlRwWa5bzGzar4nAYCLrmsuXcQE3nlal+sB5kDmMciCGOZNq4Y= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733157906; c=relaxed/simple; bh=I4VHummiJrKsJbIUwMd52De56NeUEhWbPfaStA1+8kE=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=d/Mh3wWBZTnXAH0PXc13p+9gj56HFj4blj/EeVfEZ0oqCLhuX2YAlCgPGtM6xJDpy6PdM/99Fcjbrgbgo+RsZ8QUa1g1ymKUb0G4177yPCMyZI0X50vrP3i/cmWOQ3F6WCi7jBzcp0NdQspARXitMtgKtkAonBD/JXCxvYpvPVk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=fMZUqAQB; arc=none smtp.client-ip=217.70.183.198 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="fMZUqAQB" Received: by mail.gandi.net (Postfix) with ESMTPA id AF488C0008; Mon, 2 Dec 2024 16:45:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1733157902; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=imbv659LCzWmKKL5WFDY3dC6juoBFr1RJzTd9558NvU=; b=fMZUqAQBK2vAl+1QGbORAF7xexnH/uspJ3FXPTTF8FrYeqx/dJ0MPkPbx2q9njcmhQZ0Au Fp4Gas+n/6lTdWk43wD7n8AzwwUjbZz/1tysffdQrtslgUUvbjK4RuwbhHCrtCUb2/DLrx viPmNiCEEKTJfphmer4z5TDBCQ2OnQOAczvylh/8McRz5dNT1gOEShcG9hkCcyfYeukQFB VHcOxwJPMWIqYWjUFhfnkDMwUVRKeyu2/iiFKrI5mI2seKQCN3Skgb41+k2GbYjM7s7o9m Er0Fy21+EEqVmoMaLi+Z/XZNjprapuhc5G52TzYhT/HI3RuLVUdhKGGTJet5oQ== From: Herve Codina To: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= Cc: Rob Herring , Saravana Kannan , linux-pwm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Luca Ceresoli , Thomas Petazzoni , Herve Codina Subject: [PATCH 1/1] pwm: Add support for pwm nexus dt bindings Date: Mon, 2 Dec 2024 17:44:59 +0100 Message-ID: <20241202164459.157672-1-herve.codina@bootlin.com> X-Mailer: git-send-email 2.47.0 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-GND-Sasl: herve.codina@bootlin.com Platforms can have a standardized connector/expansion slot that exposes signals like PWMs to expansion boards in an SoC agnostic way. The support for nexus node [1] has been added to handle those cases in commit bd6f2fd5a1d5 ("of: Support parsing phandle argument lists through a nexus node") and the gpio subsystem adopted the support in commit c11e6f0f04db ("gpio: Support gpio nexus dt bindings") Add support for nexus node dt binding in the pwm subsystem. [1] https://github.com/devicetree-org/devicetree-specification/blob/v0.4/source/chapter2-devicetree-basics.rst#nexus-nodes-and-specifier-mapping Signed-off-by: Herve Codina --- drivers/pwm/core.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c index 9c733877e98e..4a7454841cef 100644 --- a/drivers/pwm/core.c +++ b/drivers/pwm/core.c @@ -1707,8 +1707,7 @@ static struct pwm_device *of_pwm_get(struct device *dev, struct device_node *np, return ERR_PTR(index); } - err = of_parse_phandle_with_args(np, "pwms", "#pwm-cells", index, - &args); + err = of_parse_phandle_with_args_map(np, "pwms", "pwm", index, &args); if (err) { pr_err("%s(): can't parse \"pwms\" property\n", __func__); return ERR_PTR(err); -- 2.47.0