From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id BB3B61090225 for ; Thu, 19 Mar 2026 13:37:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:From:References:Cc:To: Subject:MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=ihV7eHPMkhsnzmieJL/t0YdD2izAEbUAvbBwqOlNbYY=; b=1W70kMvk0Nw7nt KC1NccxUY3hDmxBTEeTQg04DF/vAe1s2InCMrhtUkVLkBG2E532K4/r1fbXp6d0wZ5GYbo7R+2RtK IZ8VGlXXrF+8ROibRS9VJ7RPZNQVvyWIsyHdU01bJcuYHfu6cZGjDh09mzw6zdVQgIK/W7XSQQDu5 5Qqh3198DUfEV34NjTVA7BrplL/90tcnsW2ZX2Jh4wklnhsLTM3ZiNDtY0ZZnKV55cLkaDJDfl9TC ZzIBpbWFYAlWAnqRrg85tUJX7fhMQlNkscVWqhXJNg3ta7FenOBi6IndJf6VujrseiC660Vfnzd2A jH388gdOyEX87oSa8Nqw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1w3DYf-0000000AhIm-3HA9; Thu, 19 Mar 2026 13:37:05 +0000 Received: from sea.source.kernel.org ([172.234.252.31]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1w3DYd-0000000AhIJ-0qno; Thu, 19 Mar 2026 13:37:04 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 7C9FC406E9; Thu, 19 Mar 2026 13:37:02 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B4F4FC19424; Thu, 19 Mar 2026 13:37:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773927422; bh=kZE7fWjkE9q0fs78z6WZPbfFeAaukSfB72v2ajLzOBc=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=BF9GI/T48b6qMVLzhYLVgZ6osl/jvVy0Ho4gccdiYbNb0qBqZB+mcXrGzifkD+4Oa YiHGUaxIo1fmBBC0KCnAop7NXf9w6OCBn7N8+lk1yhcvYsWYKvmVre/Kr4EgSl1uuE WEQPY8Uukd+REDkeGSaYoiTvSjiXmTvYfuML1ygSlAYJhhJ4mEmKFqtTmADgygliig MFLGXupcwxkg0Y2qGIqsaO6QyMM8Oo8ORv26T4c/wUev4poueTOrGMhFUm1xhvN3NF pUr4yKSw3siiZ4JlD0pnopmN/aXMWFmKqgrr0p0fmnW42UHCI+whoXfHJ067YTMESW AM9m2t/fXXDPg== Message-ID: Date: Thu, 19 Mar 2026 14:36:58 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3] arm64: dts: rockchip: rock-3b: Model PI6C20100 as gated-fixed-clock To: MidG971 , linux-rockchip@lists.infradead.org Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, heiko@sntech.de, jonas@kwiboo.se, shawn.lin@rock-chips.com References: <20260319102247.32260-1-midgy971@gmail.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org On 19/03/2026 11:22, MidG971 wrote: > The Radxa ROCK 3B uses a PI6C20100 PCIe reference clock buffer to > provide a 100MHz reference clock to the PCIe 3.0 PHY and controllers. > This chip is currently modeled only as a fixed regulator > (vcc3v3_pi6c_03), with no clock output representation. > > The PI6C20100 is a clock generator, not a power supply. Model it > properly as a gated-fixed-clock, following the pattern established > for the Rock 5 ITX and other boards with similar PCIe clock buffer > chips. > > The regulator node is kept as-is since it controls the power supply > to the PI6C20100 chip via GPIO0_D4. The new gated-fixed-clock node > references this regulator as its vdd-supply and provides a proper > 100MHz clock output. The pcie3x2 node is updated to include the > pipe and reference clocks, matching the approach used in > rk3588-rock-5-itx.dts. > > Assisted-by: Claude:claude-3-opus > Signed-off-by: MidG971 Anonymous contributions are not accepted. You must use your full name or known to us identity (nickname is not a "known identity"). Best regards, Krzysztof _______________________________________________ Linux-rockchip mailing list Linux-rockchip@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-rockchip