Hello Russell, On Tue, Nov 19, 2019 at 11:00:31AM +0000, Russell King - ARM Linux admin wrote: > On Tue, Nov 19, 2019 at 11:56:19AM +0100, Uwe Kleine-König wrote: > > Having a pin configured as GPIO is the boot default setting for many > > SoCs/pins. So you might get away with not specifying a setting for pin > > 42, but that's not as robust as configuring that explicitly. > > If only that was universally true - the LX2160A as an example doesn't > default to GPIO mode... FTR: My statement is universally true. Note I wrote "many" not "all" SoCs/pins :-) SCNR Uwe -- Pengutronix e.K. | Uwe Kleine-König | Industrial Linux Solutions | https://www.pengutronix.de/ |
Re: Using a GPIO as an interrupt line
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
- Subject: Re: Using a GPIO as an interrupt line
- From: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>
- Date: Tue, 19 Nov 2019 12:03:00 +0100
- In-reply-to: <20191119110030.GA25745@shell.armlinux.org.uk>
- References: <f0d383f3-8efa-ae68-62af-68f69cd4143f@free.fr> <20191119095748.GX25745@shell.armlinux.org.uk> <07db59e7-ff16-0457-87f2-fba10dc182d6@free.fr> <20191119105619.4osmin7m5ryqfwih@pengutronix.de> <20191119110030.GA25745@shell.armlinux.org.uk>
- User-agent: NeoMutt/20170113 (1.7.2)
- References:
- Using a GPIO as an interrupt line
- From: Marc Gonzalez
- Re: Using a GPIO as an interrupt line
- From: Russell King - ARM Linux admin
- Re: Using a GPIO as an interrupt line
- From: Marc Gonzalez
- Re: Using a GPIO as an interrupt line
- From: Uwe Kleine-König
- Re: Using a GPIO as an interrupt line
- From: Russell King - ARM Linux admin
- Using a GPIO as an interrupt line
- Prev by Date: Re: Using a GPIO as an interrupt line
- Next by Date: Re: [PATCH] ACPI / button: Add DMI quirk for Acer Switch 10 SW5-032 lid-switch
- Previous by thread: Re: Using a GPIO as an interrupt line
- Next by thread: Re: Using a GPIO as an interrupt line
- Index(es):
 |