From: Alexandre Belloni <alexandre.belloni@bootlin.com>
To: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, robh+dt@kernel.org,
nicolas.ferre@microchip.com, ludovic.desroches@microchip.com,
claudiu.beznea@microchip.com
Subject: Re: [PATCH 1/3] ARM: dts: at91: sama5d2_xplained: classd: pull-down the R1 and R3 lines
Date: Wed, 17 Jun 2020 23:27:58 +0200 [thread overview]
Message-ID: <20200617212758.GD3675@piout.net> (raw)
In-Reply-To: <20200615095525.43414-1-codrin.ciubotariu@microchip.com>
On 15/06/2020 12:55:23+0300, Codrin Ciubotariu wrote:
> The R1 and R3 lines drive NMOS transistors that are OFF with a low level.
> On the SAMA5D2 Xplained board, if the pins corresponding to R1 and R3
> have pull-ups enabled, there is an extra 2 x 30uA power consumption.
> Use pull-downs for these 2 lines to remove the unnecessary power
> consumption.
>
> Fixes: b133ca7a653c ("ARM: dts: at91: sama5d2_xplained: add pin muxing and enable classd")
> Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
> ---
> arch/arm/boot/dts/at91-sama5d2_xplained.dts | 14 +++++++++-----
> 1 file changed, 9 insertions(+), 5 deletions(-)
>
Applied, thanks.
--
Alexandre Belloni, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
prev parent reply other threads:[~2020-06-17 21:28 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-15 9:55 [PATCH 1/3] ARM: dts: at91: sama5d2_xplained: classd: pull-down the R1 and R3 lines Codrin Ciubotariu
2020-06-15 9:55 ` [PATCH 2/3] ARM: dts: at91: sam9x60ek: classd: pull-down the L1 and L3 lines Codrin Ciubotariu
2020-06-17 21:28 ` Alexandre Belloni
2020-06-15 9:55 ` [PATCH 3/3] Revert "ARM: at91/dt: sama5d2 Xplained: add pdmic node" Codrin Ciubotariu
2020-06-17 21:34 ` Alexandre Belloni
2020-06-18 7:43 ` Codrin.Ciubotariu
2020-06-17 21:27 ` Alexandre Belloni [this message]
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