[PATCH 1/3] arm: dts: a10: Correct i2c scl falling time

Heiko Schocher hs at nabladev.com
Wed Apr 29 08:08:09 CEST 2026


Hello Dinesh,

On 29.04.26 07:11, dinesh.maniyam at altera.com wrote:
> From: Dinesh Maniyam <dinesh.maniyam at altera.com>
> 
> The value set for i2c-scl-falling-time-ns in Linux DTS is not
> compatible for the i2c driver in U-Boot. The value is updated
> to the max value specified in the HW spec.
> 
> Signed-off-by: Tien Fong Chee <tien.fong.chee at altera.com>
> Signed-off-by: Dinesh Maniyam <dinesh.maniyam at altera.com>
> ---
>   arch/arm/dts/socfpga_arria10_socdk-u-boot.dtsi | 5 +++++
>   1 file changed, 5 insertions(+)

Thanks!

Reviewed-by: Heiko Schocher <hs at nabladev.com>

bye,
Heiko
> 
> diff --git a/arch/arm/dts/socfpga_arria10_socdk-u-boot.dtsi b/arch/arm/dts/socfpga_arria10_socdk-u-boot.dtsi
> index 56d50ecee30..4857939ce1a 100644
> --- a/arch/arm/dts/socfpga_arria10_socdk-u-boot.dtsi
> +++ b/arch/arm/dts/socfpga_arria10_socdk-u-boot.dtsi
> @@ -12,6 +12,11 @@
>   	};
>   };
>   
> +&i2c1 {
> +	/* Max value set according to HW spec */
> +	i2c-scl-falling-time-ns = <300>;
> +};
> +
>   &uart1 {
>   	bootph-all;
>   };
> 

-- 
Nabla Software Engineering
HRB 40522 Augsburg
Phone: +49 821 45592596
E-Mail: office at nabladev.com
Geschäftsführer : Stefano Babic


More information about the U-Boot mailing list