[PATCH] arm64: dts: imx8mm: Drop CSI1 PHY reference clock configuration
Marco Felsch
m.felsch at pengutronix.de
Wed Jul 26 00:46:13 PDT 2023
Hi Fabio,
On 23-07-25, Fabio Estevam wrote:
> From: Fabio Estevam <festevam at denx.de>
>
> The CSI1 PHY reference clock is limited to 125 MHz according to:
> i.MX 8M Mini Applications Processor Reference Manual, Rev. 3, 11/2020
> Table 5-1. Clock Root Table (continued) / page 307
> Slice Index n = 123 .
>
> Currently the IMX8MM_CLK_CSI1_PHY_REF clock is 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.
>
> Based on a patch from Marek Vasut for the imx8mn.
The 8MP does it right?
> Fixes: e523b7c54c05 ("arm64: dts: imx8mm: Add CSI nodes")
> Signed-off-by: Fabio Estevam <festevam at denx.de>
Reviewed-by: Marco Felsch <m.felsch at pengutronix.de>
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