linux-kernel - Re: [RFC PATCH 1/3] drivers/mfd: rpisense: Raspberry Pi senseHAT core driver

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Message-ID: <96e6b090-dd2b-ebd1-5f62-3cee9a676bb4@infradead.org>
Date:   Fri, 6 Aug 2021 17:32:54 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Joel Savitz <jsavitz@...hat.com>, linux-kernel@...r.kernel.org
Cc:     Lee Jones <lee.jones@...aro.org>,
        Stefan Wahren <stefan.wahren@...e.com>,
        Nicolas Saenz Julienne <nsaenzju@...hat.com>,
        linux-rpi-kernel@...ts.infradead.org, fedora-rpi@...glegroups.com,
        Charles Mirabile <cmirabil@...hat.com>,
        Mwesigwa Guma <mguma@...hat.com>
Subject: Re: [RFC PATCH 1/3] drivers/mfd: rpisense: Raspberry Pi senseHAT core
 driver

On 8/6/21 5:27 PM, Joel Savitz wrote:
> diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
> index 6a3fd2d75f96..614de080dee6 100644
> --- a/drivers/mfd/Kconfig
> +++ b/drivers/mfd/Kconfig
> @@ -11,6 +11,16 @@ config MFD_CORE
>   	select IRQ_DOMAIN
>   	default n
>   
> +config MFD_RPISENSE
> +	tristate "Raspberry Pi Sense HAT driver"
> +	depends on I2C && GPIOLIB
> +	select MFD_CORE
> +	help
> +	  This is the driver for the Raspberry Pi Sense HAT. This provides
> +	  the necessary functions to communicate with the hardware as well
> +	  as a joystick and display interface. Linux communicates with the
> +	  hardwire using the GPIO pins via the I2C protocol.

	  hardware


What is HAT, please?

-- 
~Randy