Re: [PATCH 3/4] ARM: da850-evm: add a fixed regulator for the UI board IO expander

From: Sekhar Nori
Date: Mon Feb 20 2017 - 05:22:36 EST


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@xxxxxxxxxxxx>
> ---
> 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