linux-kernel - Re: [PATCH v7 08/12] mfd: intel-peci-client: Add PECI client MFD driver

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Message-ID: <c1abe3ec-fc26-d8b0-c769-e9295577ac05@infradead.org>
Date:   Mon, 23 Jul 2018 15:21:46 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Jae Hyun Yoo <jae.hyun.yoo@...ux.intel.com>,
        Jean Delvare <jdelvare@...e.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Lee Jones <lee.jones@...aro.org>,
        Joel Stanley <joel@....id.au>,
        Andrew Jeffery <andrew@...id.au>,
        Jonathan Corbet <corbet@....net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Gustavo Pimentel <gustavo.pimentel@...opsys.com>,
        Kishon Vijay Abraham I <kishon@...com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        "Darrick J . Wong" <darrick.wong@...cle.com>,
        Eric Sandeen <sandeen@...hat.com>,
        Arnd Bergmann <arnd@...db.de>, Wu Hao <hao.wu@...el.com>,
        Tomohiro Kusumi <kusumi.tomohiro@...il.com>,
        "Bryant G . Ly" <bryantly@...ux.vnet.ibm.com>,
        Frederic Barrat <fbarrat@...ux.vnet.ibm.com>,
        "David S . Miller" <davem@...emloft.net>,
        Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Philippe Ombredanne <pombredanne@...b.com>,
        Vinod Koul <vkoul@...nel.org>,
        Stephen Boyd <sboyd@...eaurora.org>,
        David Kershner <david.kershner@...sys.com>,
        Uwe Kleine-Konig <u.kleine-koenig@...gutronix.de>,
        Sagar Dharia <sdharia@...eaurora.org>,
        Johan Hovold <johan@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Juergen Gross <jgross@...e.com>,
        Cyrille Pitchen <cyrille.pitchen@...ev4u.fr>
Cc:     linux-hwmon@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-aspeed@...ts.ozlabs.org, linux-doc@...r.kernel.org,
        openbmc@...ts.ozlabs.org,
        James Feist <james.feist@...ux.intel.com>,
        Jason M Biils <jason.m.bills@...ux.intel.com>,
        Vernon Mauery <vernon.mauery@...ux.intel.com>
Subject: Re: [PATCH v7 08/12] mfd: intel-peci-client: Add PECI client MFD
 driver

On 07/23/2018 02:47 PM, Jae Hyun Yoo wrote:
> This commit adds PECI client MFD driver.
> 
> Signed-off-by: Jae Hyun Yoo <jae.hyun.yoo@...ux.intel.com>
> Cc: Lee Jones <lee.jones@...aro.org>
> Cc: Rob Herring <robh+dt@...nel.org>
> Cc: Andrew Jeffery <andrew@...id.au>
> Cc: James Feist <james.feist@...ux.intel.com>
> Cc: Jason M Biils <jason.m.bills@...ux.intel.com>
> Cc: Joel Stanley <joel@....id.au>
> Cc: Vernon Mauery <vernon.mauery@...ux.intel.com>
> ---
>  drivers/mfd/Kconfig                   |  14 ++
>  drivers/mfd/Makefile                  |   1 +
>  drivers/mfd/intel-peci-client.c       | 182 ++++++++++++++++++++++++++
>  include/linux/mfd/intel-peci-client.h |  81 ++++++++++++
>  4 files changed, 278 insertions(+)
>  create mode 100644 drivers/mfd/intel-peci-client.c
>  create mode 100644 include/linux/mfd/intel-peci-client.h
> 
> diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
> index f3fa516011ec..e38b591479d4 100644
> --- a/drivers/mfd/Kconfig
> +++ b/drivers/mfd/Kconfig
> @@ -595,6 +595,20 @@ config MFD_INTEL_MSIC
>  	  Passage) chip. This chip embeds audio, battery, GPIO, etc.
>  	  devices used in Intel Medfield platforms.
>  
> +config MFD_INTEL_PECI_CLIENT
> +	bool "Intel PECI client"
> +	depends on (PECI || COMPILE_TEST)
> +	select MFD_CORE
> +	help
> +	  If you say yes to this option, support will be included for the
> +	  multi-funtional Intel PECI (Platform Environment Control Interface)

	  multi-functional

> +	  client. PECI is a one-wire bus interface that provides a communication
> +	  channel from PECI clients in Intel processors and chipset components
> +	  to external monitoring or control devices.
> +
> +	  Additional drivers must be enabled in order to use the functionality
> +	  of the device.
> +
>  config MFD_IPAQ_MICRO
>  	bool "Atmel Micro ASIC (iPAQ h3100/h3600/h3700) Support"
>  	depends on SA1100_H3100 || SA1100_H3600


-- 
~Randy