From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-m49237.qiye.163.com (mail-m49237.qiye.163.com [45.254.49.237]) (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 5DE27376BDE for ; Thu, 15 Jan 2026 11:11:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.254.49.237 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768475485; cv=none; b=U+17ouxHVLOGMRma2bBRy9ELvDcpVjQr3Mlk5ATXuJEFQ3VJXOjVY2R7lQQiwdZEbWdbXrRZMLfQFbwNo9BaHGHSyhrlX9Rt3WKM3Gb3WWFSEd4KFH+PjPnfTooSOR0CjB/5aUVh8oujBfGjpGAHboEP3PuxSKV/W6tuWoWtPTE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768475485; c=relaxed/simple; bh=wQxmLVBa75tg3NJK4rUnwA+WoIjjYn5sgAxDVAZBO0A=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=e/0O5OWMPDxprA4kVDbVXF0a5IZWRb4ox8jXwcyX0DJyLGN+04CrS07WRrqG0qf5VzAgbzo7adoepNkUE0d+YywLBcVttUaIoEzdlqmdWm5ESnBu2MRsJUfKnD5VJALkXvkXlDja6ABAoEoqv5STCQZJXUxjWQXaQFhsbxR6O+0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=rock-chips.com; spf=pass smtp.mailfrom=rock-chips.com; dkim=pass (1024-bit key) header.d=rock-chips.com header.i=@rock-chips.com header.b=QMy6QsEf; arc=none smtp.client-ip=45.254.49.237 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=rock-chips.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=rock-chips.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=rock-chips.com header.i=@rock-chips.com header.b="QMy6QsEf" Received: from [127.0.0.1] (unknown [58.22.7.114]) by smtp.qiye.163.com (Hmail) with ESMTP id 30c74f925; Thu, 15 Jan 2026 19:06:02 +0800 (GMT+08:00) Message-ID: Date: Thu, 15 Jan 2026 19:05:58 +0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 3/5] arm64: dts: rockchip: Enable HDMI output on RK3368-Lion-Haikou To: =?UTF-8?Q?Heiko_St=C3=BCbner?= Cc: quentin.schulz@cherry.de, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Heiko Stuebner References: <20260114230707.4175162-1-heiko@sntech.de> <20260114230707.4175162-4-heiko@sntech.de> <8f7880cc-5469-4ac1-9fcc-9bd33327e571@rock-chips.com> <10786293.qUNvkh4Gvn@diego> Content-Language: en-US From: Chaoyi Chen In-Reply-To: <10786293.qUNvkh4Gvn@diego> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-HM-Tid: 0a9bc155786603abkunmbbe2c43d3c9934 X-HM-MType: 1 X-HM-Spam-Status: e1kfGhgUHx5ZQUpXWQgPGg8OCBgUHx5ZQUlOS1dZFg8aDwILHllBWSg2Ly tZV1koWUFDSUNOT01LS0k3V1ktWUFJV1kPCRoVCBIfWUFZQxoeHVZJSR1KTx1OHktITh1WFRQJFh oXVRMBExYaEhckFA4PWVdZGBILWUFZTkNVSUlVTFVKSk9ZV1kWGg8SFR0UWUFZT0tIVUpLSU9PT0 hVSktLVUpCS0tZBg++ DKIM-Signature: a=rsa-sha256; b=QMy6QsEf96Dxldir3W7DP9dSiOA0T3gLQiix77OsfmCztiqZc6x2PJiSZu8fQBvp87FDBlWY1SOrAsDlqs230IwcfxWQnXbqAD3TczkuYSEH4rBLdW0ptICsFjBdO5Rx1WdZs+hU9vSjowTEPb+YosktOFR7nAjSEmeYy7UECts=; s=default; c=relaxed/relaxed; d=rock-chips.com; v=1; bh=VITCb4bX5R30M6IQTSFF+7s0mSypA76PtH4Lp3AhVpc=; h=date:mime-version:subject:message-id:from; On 1/15/2026 5:35 PM, Heiko Stübner wrote: > Hi, > > Am Donnerstag, 15. Januar 2026, 02:25:34 Mitteleuropäische Normalzeit schrieb Chaoyi Chen: >> On 1/15/2026 7:07 AM, Heiko Stuebner wrote: >>> From: Heiko Stuebner >>> >>> Enable the VOP and HDMI controller on the Lion-Haikou board. >>> >>> Signed-off-by: Heiko Stuebner >>> --- >>> .../boot/dts/rockchip/rk3368-lion-haikou.dts | 16 ++++++++++++++++ >>> arch/arm64/boot/dts/rockchip/rk3368-lion.dtsi | 5 +++++ >>> 2 files changed, 21 insertions(+) >>> >> >> I guess NPLL is an independent PLL available for VOP, >> could you give it a try? > > not really sure what you mean here. > > The VOP-binding specifies the aclk, dclk and hclk clocks. > > The NPLL is a possible source for quite a lot of peripherals on the rk3368 > aclk_cci_pre, sclk_tcp, vepu/vdpu, hevc, isp, gpu, gmac > > So it's definitly not dedicated to the VOP, and thus should not > change frequency for the VOP alone, because that could affect > other blocks. > > > Heiko Oh, you are right. It is a general purpose PLL. -- Best, Chaoyi