From: Alexandre Torgue <alexandre.torgue@st.com>
To: Alain Volmat <alain.volmat@st.com>, <wsa@the-dreams.de>,
<robh+dt@kernel.org>
Cc: <mark.rutland@arm.com>, <pierre-yves.mordret@st.com>,
<mcoquelin.stm32@gmail.com>, <linux-i2c@vger.kernel.org>,
<devicetree@vger.kernel.org>,
<linux-stm32@st-md-mailman.stormreply.com>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <fabrice.gasnier@st.com>
Subject: Re: [PATCH] ARM: dts: stm32: set i2c4 bus freq to 400KHz on stm32mp15 DK boards
Date: Fri, 13 Mar 2020 13:50:10 +0100 [thread overview]
Message-ID: <7f8a5f6d-4d62-3649-efda-3d02f89a4d07@st.com> (raw)
In-Reply-To: <1581355056-13884-1-git-send-email-alain.volmat@st.com>
Hi Alain
On 2/10/20 6:17 PM, Alain Volmat wrote:
> On DK boards, all I2C4 bus slaves supports I2C Fast Mode hence setting
> the bus frequency to 400 KHz.
>
> Signed-off-by: Alain Volmat <alain.volmat@st.com>
> ---
> arch/arm/boot/dts/stm32mp15xx-dkx.dtsi | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi b/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi
> index 7f5fcb2c5b03..2521f428ae67 100644
> --- a/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi
> +++ b/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi
> @@ -221,6 +221,7 @@
> pinctrl-1 = <&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 12:50 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-10 17:17 Alain Volmat
2020-03-13 12:50 ` Alexandre Torgue [this message]
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