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Date:   Mon, 20 Feb 2017 15:51:03 +0530
From:   Sekhar Nori <nsekhar@...com>
To:     Bartosz Golaszewski <bgolaszewski@...libre.com>,
        David Lechner <david@...hnology.com>,
        Kevin Hilman <khilman@...libre.com>,
        Michael Turquette <mturquette@...libre.com>,
        Patrick Titiano <ptitiano@...libre.com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Russell King <linux@...linux.org.uk>
CC:     <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 3/4] ARM: da850-evm: add a fixed regulator for the UI
 board IO expander

On Thursday 16 February 2017 11:51 PM, Bartosz Golaszewski wrote:
> Without this regulator the tca6416 GPIO expander on the UI board can't
> be probed in board file mode and we're not getting VPIF IRQs.
> 
> Signed-off-by: Bartosz Golaszewski <bgolaszewski@...libre.com>
> ---
>  arch/arm/mach-davinci/board-da850-evm.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
> index 0b9ff2a..1b6a07b 100644
> --- a/arch/arm/mach-davinci/board-da850-evm.c
> +++ b/arch/arm/mach-davinci/board-da850-evm.c
> @@ -828,6 +828,9 @@ static struct regulator_consumer_supply fixed_supplies[] = {
>  
>  	/* Baseboard 1.8V: 5V -> TPS73701DCQ -> 1.8V */
>  	REGULATOR_SUPPLY("DVDD", "1-0018"),
> +
> +	/* Dummy regulator for the UI board IO expander. */

Instead may be:

	/* UI card 3.3V: 5V -> TPS73701DCQ -> 3.3V */

> +	REGULATOR_SUPPLY("vcc", "1-0020"),

Thanks,
Sekhar

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