[PATCH] ARM: i.MX6: add more chip revision support

Sascha Hauer s.hauer at pengutronix.de
Sun Jul 20 23:35:20 PDT 2014


On Mon, Jul 21, 2014 at 01:38:11PM +0800, Shawn Guo wrote:
> From: Jason Liu <r64343 at freescale.com>
> 
> Add more revision support for the new i.MX6DQ tap-out (TO1.5).  This
> TO1.5 is the Rev 1.3 as documented in i.MX6DQ data sheet, because TO1.3
> and TO1.4 are never revealed.

So the chip identifies itself as 1.5 but the data sheet refers to it as
1.3. Is there a way to make that clear somewhere? Otherwise it's really
confusing.

Sascha

> 
> Signed-off-by: Jason Liu <r64343 at freescale.com>
> Signed-off-by: Shawn Guo <shawn.guo at freescale.com>
> ---
>  arch/arm/mach-imx/anatop.c | 9 +++++++++
>  arch/arm/mach-imx/mxc.h    | 2 ++
>  2 files changed, 11 insertions(+)
> 
> diff --git a/arch/arm/mach-imx/anatop.c b/arch/arm/mach-imx/anatop.c
> index 4a40bbb46183..459ba290744b 100644
> --- a/arch/arm/mach-imx/anatop.c
> +++ b/arch/arm/mach-imx/anatop.c
> @@ -104,6 +104,15 @@ void __init imx_init_revision_from_anatop(void)
>  	case 2:
>  		revision = IMX_CHIP_REVISION_1_2;
>  		break;
> +	case 3:
> +		revision = IMX_CHIP_REVISION_1_3;
> +		break;
> +	case 4:
> +		revision = IMX_CHIP_REVISION_1_4;
> +		break;
> +	case 5:
> +		revision = IMX_CHIP_REVISION_1_5;
> +		break;
>  	default:
>  		revision = IMX_CHIP_REVISION_UNKNOWN;
>  	}
> diff --git a/arch/arm/mach-imx/mxc.h b/arch/arm/mach-imx/mxc.h
> index a39b69ef4301..17a41ca65acf 100644
> --- a/arch/arm/mach-imx/mxc.h
> +++ b/arch/arm/mach-imx/mxc.h
> @@ -43,6 +43,8 @@
>  #define IMX_CHIP_REVISION_1_1		0x11
>  #define IMX_CHIP_REVISION_1_2		0x12
>  #define IMX_CHIP_REVISION_1_3		0x13
> +#define IMX_CHIP_REVISION_1_4		0x14
> +#define IMX_CHIP_REVISION_1_5		0x15
>  #define IMX_CHIP_REVISION_2_0		0x20
>  #define IMX_CHIP_REVISION_2_1		0x21
>  #define IMX_CHIP_REVISION_2_2		0x22
> -- 
> 1.9.1
> 
> 

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