Re: [PATCH] arm64: dts: imx8mn: Drop CSI1 PHY reference clock configuration

* Re: [PATCH] arm64: dts: imx8mn: Drop CSI1 PHY reference clock configuration
       [not found] <20230724222247.162806-1-marex@denx.de>
@ 2023-07-30 13:29 ` Shawn Guo
  0 siblings, 0 replies; only message in thread
From: Shawn Guo @ 2023-07-30 13:29 UTC (permalink / raw)
  To: Marek Vasut
  Cc: linux-arm-kernel, Adam Ford, Conor Dooley, Fabio Estevam,
	Krzysztof Kozlowski, Li Jun, Marco Felsch, NXP Linux Team,
	Peng Fan, Pengutronix Kernel Team, Richard Cochran, Rob Herring,
	Sascha Hauer, devicetree

On Tue, Jul 25, 2023 at 12:22:47AM +0200, Marek Vasut wrote:
> The CSI1 PHY reference clock are limited to 125 MHz according to:
> i.MX 8M Nano Applications Processor Reference Manual, Rev. 2, 07/2022
> Table 5-1. Clock Root Table (continued) / page 319
> Slice Index n = 123 .
> 
> Currently those IMX8MN_CLK_CSI1_PHY_REF clock are configured to be
> fed directly from 1 GHz PLL2 , which overclocks them . Instead, drop
> the configuration altogether, which defaults the clock to 24 MHz REF
> clock input, which for the PHY reference clock is just fine.
> 
> Fixes: ae9279f301b5 ("arm64: dts: imx8mn: Add CSI and ISI Nodes")
> Signed-off-by: Marek Vasut <marex@denx.de>

Applied, thanks!

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