From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 96CBD378D6D; Wed, 21 Jan 2026 16:56:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769014594; cv=none; b=KHbIiro6q3bjzAUjH0DPfeZZfpBvjQJGgDXM291oSIdX1Ldfz94eCDn+iJqK0e8W6lfUA0Z6TCB2Ec98P3dN/nPADjR5ySVSuE80UEtuB2ldepGiylUNVVyPOPamj69liLkB2icjkC5WEiySiZBNsnfLoHyF0tkEV0m5DtZtNFc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769014594; c=relaxed/simple; bh=z6ncdW1tF9rL0/zlvdL9Ux7pYtvgWh2A0N0+vyjHyGA=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=aeTAwaoLwyhthbV7hDrBLwxky3jidzc/rQvavHTgNoav+wxacaPUVKdTtEW0av3HxN6RA8ALAIe19EzkDOO0QzdEmgrPHmfkBxgYHOT9Hb2jJE8tfZj+cbLiGexIJO1bD3XSh5wt5/BGixR6/XCvlki0S7t1fahfnmrlRnCdA1U= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=XFk3fnG7; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="XFk3fnG7" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 18D08C4CEF1; Wed, 21 Jan 2026 16:56:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1769014594; bh=z6ncdW1tF9rL0/zlvdL9Ux7pYtvgWh2A0N0+vyjHyGA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=XFk3fnG7osBlyl3ml764DVFHhbwUZIABeT1VrstE1l2ROLa/nx2XDArVU1Zd+7+FD uW5E3IZZ+1AgpfP24oQ9ooG5pqzuIIryO1KtY3tVj00ogJpBAnQ27N3EVuU0ovDb8t 3WDc8LLi1gJqg4yZqJSG2aSBsTOYX+ktPd6j81UgjbUf28fyxhx+osy15jmWrCq4EQ uzoA6kLYsi2cm6U0V8c8FgT4DtJZCyeszqcXrjyUJ2DCeOK0Z7drctfitn2CvOE+NM /6BFxL7TB1j4At/HQrJoAKH550exBh4mzA/Yp1nmMIgVPDk+j8/XaMz3wIBVE5ZQyn N5eCElyvjp6hA== Date: Wed, 21 Jan 2026 10:56:33 -0600 From: "Rob Herring (Arm)" To: Junhui Liu Cc: Jernej Skrabec , Alexandre Belloni , linux-rtc@vger.kernel.org, Maxime Ripard , Chen-Yu Tsai , devicetree@vger.kernel.org, Krzysztof Kozlowski , Conor Dooley , linux-kernel@vger.kernel.org, Samuel Holland , linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org, Michael Turquette , Stephen Boyd , linux-sunxi@lists.linux.dev Subject: Re: [PATCH 1/7] dt-bindings: rtc: sun6i: Add Allwinner A733 support Message-ID: <176901459264.3452980.894788621483141855.robh@kernel.org> References: <20260121-a733-rtc-v1-0-d359437f23a7@pigmoral.tech> <20260121-a733-rtc-v1-1-d359437f23a7@pigmoral.tech> Precedence: bulk X-Mailing-List: linux-rtc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260121-a733-rtc-v1-1-d359437f23a7@pigmoral.tech> On Wed, 21 Jan 2026 18:59:07 +0800, Junhui Liu wrote: > The RTC module in the Allwinner A733 SoC is functionally compatible with > the sun6i RTC, but its internal Clock Control Unit (CCU) has significant > changes. > > The A733 supports selecting the oscillator between three frequencies: > 19.2MHz, 24MHz, and 26MHz. The RTC CCU relies on hardware to detect > which frequency is actually used on the board. By defining all three > frequencies as fixed-clocks in the device tree, the driver can identify > the hardware-detected frequency and expose it to the rest of the system. > > Additionally, the A733 RTC CCU provides several new DCXO gate clocks for > specific modules, including SerDes, HDMI, and UFS. > > Signed-off-by: Junhui Liu > --- > .../bindings/rtc/allwinner,sun6i-a31-rtc.yaml | 38 ++++++++++++++++++++-- > include/dt-bindings/clock/sun60i-a733-rtc.h | 16 +++++++++ > 2 files changed, 52 insertions(+), 2 deletions(-) > Reviewed-by: Rob Herring (Arm)