linux-kernel - Re: [PATCH v2] ARM: dts: at91: sama5d2_icp: enable digital filter for I2C nodes

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Message-ID: <1444f480-be56-02a8-152e-8b6d0a94a0a9@microchip.com>
Date:   Tue, 27 Jul 2021 16:45:28 +0200
From:   Nicolas Ferre <nicolas.ferre@...rochip.com>
To:     Codrin Ciubotariu <codrin.ciubotariu@...rochip.com>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
CC:     <robh+dt@...nel.org>, <alexandre.belloni@...tlin.com>,
        <ludovic.desroches@...rochip.com>
Subject: Re: [PATCH v2] ARM: dts: at91: sama5d2_icp: enable digital filter for
 I2C nodes

On 27/07/2021 at 15:41, Codrin Ciubotariu wrote:
> SAMA5D2's I2C controller supports digital filter, so let's enable it.
> 
> Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@...rochip.com>
> ---
> 
> Changes in v2:
>   - removed Acked-by tag

And I add it back here ;-) :
Acked-by: Nicolas Ferre <nicolas.ferre@...rochip.com>

I queue the patch in at91-dt for 5.15.

Thanks Codrin, best regards,
   Nicolas

> 
>   arch/arm/boot/dts/at91-sama5d2_icp.dts | 6 ++++++
>   1 file changed, 6 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/at91-sama5d2_icp.dts b/arch/arm/boot/dts/at91-sama5d2_icp.dts
> index bd64721fa23c..1c235fc5f788 100644
> --- a/arch/arm/boot/dts/at91-sama5d2_icp.dts
> +++ b/arch/arm/boot/dts/at91-sama5d2_icp.dts
> @@ -184,6 +184,8 @@ i2c6: i2c@600 {
>   		dmas = <0>, <0>;
>   		pinctrl-names = "default";
>   		pinctrl-0 = <&pinctrl_flx4_default>;
> +		i2c-digital-filter;
> +		i2c-digital-filter-width-ns = <35>;
>   		status = "okay";
>   
>   		mcp16502@5b {
> @@ -307,6 +309,8 @@ regulator-state-mem {
>   &i2c0 { /* mikrobus i2c */
>   	pinctrl-names = "default";
>   	pinctrl-0 = <&pinctrl_mikrobus_i2c>;
> +	i2c-digital-filter;
> +	i2c-digital-filter-width-ns = <35>;
>   	status = "okay";
>   };
>   
> @@ -314,6 +318,8 @@ &i2c1 {
>   	dmas = <0>, <0>;
>   	pinctrl-names = "default";
>   	pinctrl-0 = <&pinctrl_i2c1_default>;
> +	i2c-digital-filter;
> +	i2c-digital-filter-width-ns = <35>;
>   	status = "okay";
>   
>   	eeprom@50 {
> 


-- 
Nicolas Ferre