From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtpout-04.galae.net (smtpout-04.galae.net [185.171.202.116]) (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 A203930496A for ; Wed, 3 Sep 2025 12:47:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.171.202.116 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756903673; cv=none; b=AfjsfSSrdzgNDc3lcj3pVzpFZ/ziRm1YPhr3M0MCS+m/zwRyysqurCGhOWi2iF6ZNBrFWXjmep3KfhnQe/wvStPd0xQUNHmTQ0+l5X/qBtLTgxixmcjs7CIM/0yxWdOD+a8AVluArRWTWgxgmy5ZBFp0BVW+kn/w2p4+mxeKhYE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756903673; c=relaxed/simple; bh=xi/o5kWUDoeVTEz8CVGVlsZgn5M7wM6SPz+7rGGvINI=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=cVspuHxfnygqYkSRWIzK++6UYzcYt51J3TT7U1X1PUpN0SSGHE5Jqx7zVwRIR/dchSeAtcrue+4ZPAxl1NrKaYd45F91ZKwprPriecLIU25oMwfUSfGgiJxt7H22ogj/LgpDfL2DqAHTLQyHhL8WCq04YNFJYqqAFaUqnI2m9sw= 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=VaKRUXVN; arc=none smtp.client-ip=185.171.202.116 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="VaKRUXVN" Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-04.galae.net (Postfix) with ESMTPS id AE4FCC8EC56; Wed, 3 Sep 2025 12:47:33 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id BE967606C3; Wed, 3 Sep 2025 12:47:48 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 632151C22A4EA; Wed, 3 Sep 2025 14:47:46 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1756903667; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=PLsxsB1U7iOyjFs0v18bA/rl5OjxWvCZDmHawmPZZz0=; b=VaKRUXVNW1hH2ngZ83GKCpeYB71UlbdWGaAnVXDR6khs42dk+ZPVba9/Y+r3fgSRKxbBYr V1KZEsQkM9iULoJifNqozKspb9vrDKKuKwf/3Rf51tKzGcWRD0hU98KDekM5CsAnxpXE95 0Kez+MQ4EhbINEUu8XDeNi96rVwghLEoBSgQSzpeCW3+/yuQPpeidT5E+zJry4aHRVXffY AkQu/7JsyotXaA4LwPsaXXy8znrBfwVg7F/yLWNyS3evOQDPqymZRijzPVPR9SRFU88ztP RIWqVXpJwZRoHl5ECISm+ikzziNt51naM8pYgPyChfOfQlclXjamCQw7gZgLmw== From: =?utf-8?q?Beno=C3=AEt_Monin?= Date: Wed, 03 Sep 2025 14:47:14 +0200 Subject: [PATCH 07/19] clk: fixed-factor: add clk_hw_register_fixed_factor_with_accuracy 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: 8bit Message-Id: <20250903-clk-eyeq7-v1-7-3f5024b5d6e2@bootlin.com> References: <20250903-clk-eyeq7-v1-0-3f5024b5d6e2@bootlin.com> In-Reply-To: <20250903-clk-eyeq7-v1-0-3f5024b5d6e2@bootlin.com> To: Vladimir Kondratiev , Gregory CLEMENT , =?utf-8?q?Th=C3=A9o_Lebrun?= , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Thomas Bogendoerfer , Michael Turquette , Stephen Boyd , Philipp Zabel Cc: Thomas Petazzoni , linux-mips@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, Tawfik Bayouk , Sari Khoury , =?utf-8?q?Beno=C3=AEt_Monin?= X-Mailer: b4 0.14.2 X-Last-TLS-Session-Version: TLSv1.3 Add a variant of clk_hw_register_fixed_factor allowing to set the accuracy of the fixed factor clock. This function allows declaring a fixed factor with a known accuracy and a parent clock by name. Signed-off-by: Benoît Monin --- drivers/clk/clk-fixed-factor.c | 12 ++++++++++++ include/linux/clk-provider.h | 3 +++ 2 files changed, 15 insertions(+) diff --git a/drivers/clk/clk-fixed-factor.c b/drivers/clk/clk-fixed-factor.c index e62ae8794d445f685156276d5135448f340fca3f..7c76658a725f9b268da2485769979e5ba213d25b 100644 --- a/drivers/clk/clk-fixed-factor.c +++ b/drivers/clk/clk-fixed-factor.c @@ -217,6 +217,18 @@ struct clk_hw *clk_hw_register_fixed_factor(struct device *dev, } EXPORT_SYMBOL_GPL(clk_hw_register_fixed_factor); +struct clk_hw *clk_hw_register_fixed_factor_with_accuracy(struct device *dev, + const char *name, const char *parent_name, unsigned long flags, + unsigned int mult, unsigned int div, unsigned long acc) +{ + const struct clk_parent_data pdata = { .index = -1 }; + + return __clk_hw_register_fixed_factor(dev, NULL, name, parent_name, NULL, + &pdata, flags, mult, div, acc, + CLK_FIXED_FACTOR_FIXED_ACCURACY, false); +} +EXPORT_SYMBOL_GPL(clk_hw_register_fixed_factor_with_accuracy); + struct clk_hw *clk_hw_register_fixed_factor_fwname(struct device *dev, struct device_node *np, const char *name, const char *fw_name, unsigned long flags, unsigned int mult, unsigned int div) diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h index 630705a47129453c241f1b1755f2c2f2a7ed8f77..6b3e426f5754bfae4af89765bf5abd2954ca49dc 100644 --- a/include/linux/clk-provider.h +++ b/include/linux/clk-provider.h @@ -1153,6 +1153,9 @@ void clk_unregister_fixed_factor(struct clk *clk); struct clk_hw *clk_hw_register_fixed_factor(struct device *dev, const char *name, const char *parent_name, unsigned long flags, unsigned int mult, unsigned int div); +struct clk_hw *clk_hw_register_fixed_factor_with_accuracy(struct device *dev, + const char *name, const char *parent_name, unsigned long flags, + unsigned int mult, unsigned int div, unsigned long acc); struct clk_hw *clk_hw_register_fixed_factor_fwname(struct device *dev, struct device_node *np, const char *name, const char *fw_name, unsigned long flags, unsigned int mult, unsigned int div); -- 2.51.0