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Subject: Re: [PATCH] ARM: dts: stm32: configure i2c5 support on
 stm32mp15xx-dkx
To:     Alain Volmat <alain.volmat@st.com>, <wsa@kernel.org>,
        <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>
References: <1592904672-12781-1-git-send-email-alain.volmat@st.com>
From:   Alexandre Torgue <alexandre.torgue@st.com>
Message-ID: <073d551e-1624-62fe-5bf3-45ee26894600@st.com>
Date:   Tue, 21 Jul 2020 10:14:08 +0200
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Hi Alain

On 6/23/20 11:31 AM, Alain Volmat wrote:
> From: Fabrice Gasnier <fabrice.gasnier@st.com>
> 
> Configure I2C5 on stm32mp15 DK boards. It's available and can be used on:
> - Arduino connector
> - GPIO expansion connector
> Keep it disabled by default, so the pins are kept in their initial state to
> lower power consumption. This way they can also be used as GPIO.
> 
> Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
> Signed-off-by: Alain Volmat <alain.volmat@st.com>
> ---
>   arch/arm/boot/dts/stm32mp15xx-dkx.dtsi | 13 +++++++++++++
>   1 file changed, 13 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi b/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi
> index fcf50131e5fe..e69aba9830b3 100644
> --- a/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi
> +++ b/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi
> @@ -361,6 +361,19 @@
>   	};
>   };
>   
> +&i2c5 {
> +	pinctrl-names = "default", "sleep";
> +	pinctrl-0 = <&i2c5_pins_a>;
> +	pinctrl-1 = <&i2c5_sleep_pins_a>;
> +	i2c-scl-rising-time-ns = <185>;
> +	i2c-scl-falling-time-ns = <20>;
> +	clock-frequency = <400000>;
> +	/* spare dmas for other usage */
> +	/delete-property/dmas;
> +	/delete-property/dma-names;
> +	status = "disabled";
> +};
> +
>   &i2s2 {
>   	clocks = <&rcc SPI2>, <&rcc SPI2_K>, <&rcc PLL3_Q>, <&rcc PLL3_R>;
>   	clock-names = "pclk", "i2sclk", "x8k", "x11k";
> 

Applied on stm32-next.

Thanks.
Alex