linux-kernel - Re: [PATCH v4 0/4] Add pinctrl support to Broadcom Cygnus SoC

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Date:	Wed, 25 Feb 2015 11:29:56 -0800
From:	Dmitry Torokhov <dtor@...omium.org>
To:	Ray Jui <rjui@...adcom.com>
Cc:	Linus Walleij <linus.walleij@...aro.org>,
	Stephen Warren <swarren@...dotorg.org>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Grant Likely <grant.likely@...aro.org>,
	Christian Daudt <bcm@...thebug.org>,
	Matt Porter <mporter@...aro.org>,
	Florian Fainelli <f.fainelli@...il.com>,
	Russell King <linux@....linux.org.uk>,
	Scott Branden <sbranden@...adcom.com>,
	Anatol Pomazau <anatol@...gle.com>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-gpio@...r.kernel.org, bcm-kernel-feedback-list@...adcom.com,
	devicetree@...r.kernel.org
Subject: Re: [PATCH v4 0/4] Add pinctrl support to Broadcom Cygnus SoC

On Tue, Feb 03, 2015 at 06:09:57PM -0800, Ray Jui wrote:
> This patchset contains the initial pinctrl (IOMUX) support for the Broadcom
> Cygnus SoC. The Cygnus IOMUX controller supports group based mux configuration
> and allows certain pins to be muxed to GPIO function individually
> 
> Changes from v3:
>  - Fix the driver to have more proper use of "const" in various places
>  - Other minor improvements
> 
> Changes from v2:
>  - Consolidate all Broadcom pinctrl drivers into drivers/pinctrl/bcm/*
>  - Change the Cygnus IOMUX driver to use standard Linux pinctrl subnode
> properties such as "function" and "groups" for pinmux configuration, instead
> of non-standard properties such as "brcm,function" and "brcm,group"
>  - Use real function names like "spi0", "lcd", "key", and etc. instead of HW
> specific mux names like "alt1", "alt2", "alt3", and etc.
>  - Add suffix "grp" to all group names
>  - Add support to allow individual pins to be muxed to GPIO function through
> subsystem callbacks "gpio_request_enable" and "gpio_disable_free", and get rid
> of all GPIO groups
>  - Other minor improvements in the driver
> 
> Changes from v1:
>  - Fix a typo in device tree binding document

FWIW I tested this series on BCM958305K SVK.

Tested-by: Dmitry Torokhov <dtor@...omium.org>

Thanks.

-- 
Dmitry
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