From: Alexandre Torgue <alexandre.torgue-qxv4g6HH51o@public.gmane.org>
To: Alain Volmat <alain.volmat-qxv4g6HH51o@public.gmane.org>,
wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org,
robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org
Cc: mark.rutland-5wv7dgnIgG8@public.gmane.org,
pierre-yves.mordret-qxv4g6HH51o@public.gmane.org,
mcoquelin.stm32-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-stm32-XDFAJ8BFU24N7RejjzZ/Li2xQDfSxrLKVpNB7YpNyf8@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
fabrice.gasnier-qxv4g6HH51o@public.gmane.org
Subject: Re: [PATCH] ARM: dts: stm32: set i2c4 bus freq to 400KHz on stm32mp157c-ed1
Date: Fri, 13 Mar 2020 13:49:55 +0100 [thread overview]
Message-ID: <9c127dfe-d171-8967-3227-3dafc358277f@st.com> (raw)
In-Reply-To: <1581355041-13845-1-git-send-email-alain.volmat-qxv4g6HH51o@public.gmane.org>
Hi Alain
On 2/10/20 6:17 PM, Alain Volmat wrote:
> On this board, the I2C4 bus has only a single slave (pmic) which
> supports I2C Fast Mode hence setting bus frequency to 400 KHz.
>
> Signed-off-by: Alain Volmat <alain.volmat-qxv4g6HH51o@public.gmane.org>
> ---
> arch/arm/boot/dts/stm32mp157c-ed1.dts | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm/boot/dts/stm32mp157c-ed1.dts b/arch/arm/boot/dts/stm32mp157c-ed1.dts
> index 209dae010be4..ac4f7ee4ad55 100644
> --- a/arch/arm/boot/dts/stm32mp157c-ed1.dts
> +++ b/arch/arm/boot/dts/stm32mp157c-ed1.dts
> @@ -135,6 +135,7 @@
> pinctrl-0 = <&i2c4_pins_sleep_a>;
> i2c-scl-rising-time-ns = <185>;
> i2c-scl-falling-time-ns = <20>;
> + clock-frequency = <400000>;
> status = "okay";
> /* spare dmas for other usage */
> /delete-property/dmas;
>
Applied on stm32-next.
Thanks.
Alex
prev parent reply other threads:[~2020-03-13 12:49 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-10 17:17 [PATCH] ARM: dts: stm32: set i2c4 bus freq to 400KHz on stm32mp157c-ed1 Alain Volmat
[not found] ` <1581355041-13845-1-git-send-email-alain.volmat-qxv4g6HH51o@public.gmane.org>
2020-03-13 12:49 ` Alexandre Torgue [this message]
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