Subject: [PATCH] ARM: at91: sama5d3: reduce TWI internal clock frequency

From: [email-masked] (boris brezillon)
Date: Fri, 22 Nov 2013 16:01:17 +0100

Hi Ludovic,

On 22/11/2013 15:07, ludovic.desroches at atmel.com wrote:
> From: Ludovic Desroches <[email-masked]>
>
> There are still I2C unexpected behaviors which are solved by reducing TWI
> internal frequency.

I guess I should do the same for the dt version of sama5 clks.
Nicolas, what do you think ?

Best Regards,

Boris

>
> Cc: <[email-masked]> #3.10+
> Signed-off-by: Ludovic Desroches <[email-masked]>
> ---
>   arch/arm/mach-at91/sama5d3.c |    6 +++---
>   1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/arch/arm/mach-at91/sama5d3.c b/arch/arm/mach-at91/sama5d3.c
> index 4012797..4ee0de5 100644
> --- a/arch/arm/mach-at91/sama5d3.c
> +++ b/arch/arm/mach-at91/sama5d3.c
> @@ -95,19 +95,19 @@ static struct clk twi0_clk = {
>   	.name		= "twi0_clk",
>   	.pid		= SAMA5D3_ID_TWI0,
>   	.type		= CLK_TYPE_PERIPHERAL,
> -	.div		= AT91_PMC_PCR_DIV2,
> +	.div		= AT91_PMC_PCR_DIV8,
>   };
>   static struct clk twi1_clk = {
>   	.name		= "twi1_clk",
>   	.pid		= SAMA5D3_ID_TWI1,
>   	.type		= CLK_TYPE_PERIPHERAL,
> -	.div		= AT91_PMC_PCR_DIV2,
> +	.div		= AT91_PMC_PCR_DIV8,
>   };
>   static struct clk twi2_clk = {
>   	.name		= "twi2_clk",
>   	.pid		= SAMA5D3_ID_TWI2,
>   	.type		= CLK_TYPE_PERIPHERAL,
> -	.div		= AT91_PMC_PCR_DIV2,
> +	.div		= AT91_PMC_PCR_DIV8,
>   };
>   static struct clk mmc0_clk = {
>   	.name		= "mci0_clk",
>