linux-kernel - Re: [PATCHv2 2.6.34 1/2] mx5: Add i2c to Freescale MX51 Babbage HW

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Date:	Thu, 27 May 2010 17:02:38 +0200
From:	Daniel Mack <daniel@...aq.de>
To:	Dinh.Nguyen@...escale.com
Cc:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	s.hauer@...gutronix.de, valentin.longchamp@...l.ch,
	grant.likely@...retlab.ca, xiao-lizhang@...escale.com
Subject: Re: [PATCHv2 2.6.34 1/2] mx5: Add i2c to Freescale MX51 Babbage HW

On Thu, May 27, 2010 at 09:57:48AM -0500, Dinh.Nguyen@...escale.com wrote:
> This patch adds I2C functionality to the Freescale MX51 Babbage HW.
> The patch adds device structures, i2c board slave device defines,
> IOMUX pin defines, and clocks.
> 
> Signed-off-by: Dinh Nguyen <Dinh.Nguyen@...escale.com>
> ---
>  arch/arm/mach-mx5/clock-mx51.c              |   11 +++++
>  arch/arm/mach-mx5/devices.c                 |   58 +++++++++++++++++++++++++++
>  arch/arm/mach-mx5/devices.h                 |    3 +
>  arch/arm/plat-mxc/include/mach/iomux-mx51.h |   18 ++++++---
>  4 files changed, 84 insertions(+), 6 deletions(-)
> 

[...]

>  static struct resource usbotg_resources[] = {
> diff --git a/arch/arm/mach-mx5/devices.h b/arch/arm/mach-mx5/devices.h
> index 0494d6b..d0451bf 100644
> --- a/arch/arm/mach-mx5/devices.h
> +++ b/arch/arm/mach-mx5/devices.h
> @@ -5,3 +5,6 @@ extern struct platform_device mxc_fec_device;
>  extern struct platform_device mxc_usbdr_host_device;
>  extern struct platform_device mxc_usbh1_device;
>  extern struct platform_device mxc_usbdr_udc_device;
> +extern struct platform_device mxc_i2c_device0;
> +extern struct platform_device mxc_i2c_device1;
> +extern struct platform_device mxc_hsi2c_device;
> diff --git a/arch/arm/plat-mxc/include/mach/iomux-mx51.h b/arch/arm/plat-mxc/include/mach/iomux-mx51.h
> index ab0f95d..6ea6861 100644
> --- a/arch/arm/plat-mxc/include/mach/iomux-mx51.h
> +++ b/arch/arm/plat-mxc/include/mach/iomux-mx51.h
> @@ -38,6 +38,8 @@ typedef enum iomux_config {
>  				PAD_CTL_SRE_FAST)
>  #define MX51_UART3_PAD_CTRL	(PAD_CTL_PKE | PAD_CTL_DSE_HIGH | \
>  				PAD_CTL_SRE_FAST)
> +#define MX51_I2C_PAD_CTRL		(PAD_CTL_SRE_FAST | PAD_CTL_ODE | \
> ++				PAD_CTL_DSE_HIGH | PAD_CTL_PUS_100K_UP | PAD_CTL_HYS)
   ^
I believe something went wrong here.

Daniel

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