linux-kernel - Re: [PATCH v4 1/2] ARM: dts: stm32: Create separate pinmux for qspi cs pin in stm32mp15-pinctrl.dtsi

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Date:   Fri, 26 Aug 2022 10:44:37 +0200
From:   Alexandre TORGUE <alexandre.torgue@...s.st.com>
To:     <patrice.chotard@...s.st.com>, Mark Brown <broonie@...nel.org>
CC:     <linux-spi@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <christophe.kerello@...s.st.com>
Subject: Re: [PATCH v4 1/2] ARM: dts: stm32: Create separate pinmux for qspi
 cs pin in stm32mp15-pinctrl.dtsi

Dear Patrice

On 8/23/22 09:58, patrice.chotard@...s.st.com wrote:
> From: Patrice Chotard <patrice.chotard@...s.st.com>
> 
> Create a separate pinmux for qspi chip select in stm32mp15-pinctrl.dtsi.
> In the case we want to use transfer_one() API to communicate with a SPI
> device, chip select signal must be driven individually.
> 
> Signed-off-by: Patrice Chotard <patrice.chotard@...s.st.com>
> ---
>   arch/arm/boot/dts/stm32mp15-pinctrl.dtsi | 50 ++++++++++++++++--------
>   arch/arm/boot/dts/stm32mp157c-ev1.dts    | 12 +++++-
>   2 files changed, 43 insertions(+), 19 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi b/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
> index 6052243ad81c..ade4fab45f14 100644
> --- a/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
> +++ b/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
> @@ -1189,7 +1189,7 @@ pins {
>   	};
> 
Applied on stm32-next.

Thanks.
Alex