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From: Heiko Stuebner <heiko@sntech.de>
To: MidG971 <midgy971@gmail.com>, Jonas Karlman <jonas@kwiboo.xyz>
Cc: linux-rockchip@lists.infradead.org, shawn.lin@rock-chips.com,
 jonas@kwiboo.se, linux-arm-kernel@lists.infradead.org,
 devicetree@vger.kernel.org
Subject:
 Re: [PATCH v5] arm64: dts: rockchip: rock-3b: Model PI6C20100 as
 gated-fixed-clock
Date: Tue, 24 Mar 2026 23:27:47 +0100
Message-ID: <10821700.nUPlyArG6x@phil>
In-Reply-To: <533f27c9-e970-449b-a431-4ba41a566aaf@kwiboo.xyz>
References:
 <20260320094441.128263-1-midgy971@gmail.com>
 <177437177535.786081.7519498810130807269.b4-ty@sntech.de>
 <533f27c9-e970-449b-a431-4ba41a566aaf@kwiboo.xyz>
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Hi Jonas,

Am Dienstag, 24. M=C3=A4rz 2026, 18:15:38 Mitteleurop=C3=A4ische Normalzeit=
 schrieb Jonas Karlman:
> Hi Heiko,
>=20
> On 3/24/2026 6:04 PM, Heiko Stuebner wrote:
> >=20
> > On Fri, 20 Mar 2026 10:44:41 +0100, 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.
> >>
> >> [...]
> >=20
> > Applied, thanks!
>=20
> My comments from v3 [1] was not addressed in v4 och v5. E.g.
> regulator-always-on/boot-on not being removed and redundant comments.
>=20
> [1] https://lore.kernel.org/all/fec0f25d-733a-4b6c-aef1-2ac51bd15798@kwib=
oo.se/

thank you so much for noticing. Looks like that AI thing is
working "well" ;-) .

I've droped the patch and recreated the for-next branch now.

@Midgy, please honor feedback in future revisions.

Thanks
Heiko