From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jorge Ramirez-Ortiz, Foundries <jorge@foundries.io>
Date: Fri, 16 Oct 2020 14:41:16 +0200
Subject: [PATCH] mx6: peripheral clock from oscillator
In-Reply-To: <20201014130726.21984-1-jorge@foundries.io>
References: <20201014130726.21984-1-jorge@foundries.io>
Message-ID: <20201016124116.GA25143@trex>
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To: u-boot@lists.denx.de


any thoughts?

On 14/10/20, Jorge Ramirez-Ortiz wrote:
> In order to be able to run the I2C bus at 400Khz, the chip errata[1]
> recommends that the peripheral clock runs out of the 24MHz oscillator.
> 
> [1] Rev 2, 10/2019, ERR007805
> 
> Signed-off-by: Jorge Ramirez-Ortiz <jorge@foundries.io>
> ---
>  arch/arm/mach-imx/mx6/soc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm/mach-imx/mx6/soc.c b/arch/arm/mach-imx/mx6/soc.c
> index e129286065..1da250bbcd 100644
> --- a/arch/arm/mach-imx/mx6/soc.c
> +++ b/arch/arm/mach-imx/mx6/soc.c
> @@ -469,7 +469,7 @@ int arch_cpu_init(void)
>  	}
>  
>  	/* Set perclk to source from OSC 24MHz */
> -	if (is_mx6sl())
> +	if (is_mx6sl() || is_mx6ull())
>  		setbits_le32(&ccm->cscmr1, MXC_CCM_CSCMR1_PER_CLK_SEL_MASK);
>  
>  	imx_wdog_disable_powerdown(); /* Disable PDE bit of WMCR register */
> -- 
> 2.17.1
>