linux-kernel - Re: [PATCH 1/1] mfd: Use gpio-ich driver for 8-series and 9-series Intel PCH devices

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Date:	Fri, 5 Aug 2016 13:45:17 +0100
From:	Lee Jones <lee.jones@...aro.org>
To:	Dan Gora <dg@...x.com>
Cc:	Peter Tyser <ptyser@...-inc.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/1] mfd: Use gpio-ich driver for 8-series and 9-series
 Intel PCH devices

On Wed, 06 Jul 2016, Dan Gora wrote:

> 
> The Intel 8-series and 9-series PCH devices, described by the descriptors
> LPC_LPT and LPC_9S although codenamed 'lynxpoint' do not use the same GPIO
> register layout which is used by the gpio-lynxpoint driver.  They use the
> same ICH_V5_GPIO layout as the gpio-ich driver.
> 
> See:
> http://www.intel.com/content/www/us/en/chipsets/8-series-chipset-pch-datasheet.html
> http://www.intel.com/content/www/us/en/chipsets/9-series-chipset-pch-datasheet.html
> 
> The devices described by "Mobile 4th Generation Intel Core Processor
> Family I/O" manual use the gpio-lynxpoint driver and are described by the
> LPC_LPT_LP descriptor.
> 
> See:
> http://www.intel.com/content/www/us/en/processors/core/4th-gen-core-family-mobile-i-o-datasheet.html
> 
> Signed-off-by: Dan Gora <dg@...x.com>
> ---
>  drivers/mfd/lpc_ich.c | 2 ++
>  1 file changed, 2 insertions(+)

Applied, thanks.

> diff --git a/drivers/mfd/lpc_ich.c b/drivers/mfd/lpc_ich.c
> index bd3aa45..66f72ad 100644
> --- a/drivers/mfd/lpc_ich.c
> +++ b/drivers/mfd/lpc_ich.c
> @@ -493,6 +493,7 @@ static struct lpc_ich_info lpc_chipset_info[] = {
>  	[LPC_LPT] = {
>  		.name = "Lynx Point",
>  		.iTCO_version = 2,
> +		.gpio_version = ICH_V5_GPIO,
>  	},
>  	[LPC_LPT_LP] = {
>  		.name = "Lynx Point_LP",
> @@ -530,6 +531,7 @@ static struct lpc_ich_info lpc_chipset_info[] = {
>  	[LPC_9S] = {
>  		.name = "9 Series",
>  		.iTCO_version = 2,
> +		.gpio_version = ICH_V5_GPIO,
>  	},
>  };
> 

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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