[PATCH 1/2] ARM: imx6: gw54xx: add function to retrieve board revision from GSC

[Sascha Hauer]

On Mon, May 29, 2017 at 10:02:41PM +0200, Lucas Stach wrote:
> This parses the board revision from the GSC EEPROm model string.
> 
> Signed-off-by: Lucas Stach <dev at lynxeye.de>
> ---
>  arch/arm/boards/gateworks-ventana/gsc.c | 14 ++++++++++++++
>  arch/arm/boards/gateworks-ventana/gsc.h |  2 ++
>  2 files changed, 16 insertions(+)

Applied, thanks

Sascha

> 
> diff --git a/arch/arm/boards/gateworks-ventana/gsc.c b/arch/arm/boards/gateworks-ventana/gsc.c
> index 3614230..92244d1 100644
> --- a/arch/arm/boards/gateworks-ventana/gsc.c
> +++ b/arch/arm/boards/gateworks-ventana/gsc.c
> @@ -65,3 +65,17 @@ int gsc_i2c_write(struct i2c_client *client, u32 addr, const u8 *buf, u16 count)
>  
>  	return ret;
>  }
> +
> +char gsc_get_rev(struct i2c_client *client)
> +{
> +	int i;
> +	u8 model[16];
> +
> +	gsc_i2c_read(client, 0x30, model, 16);
> +	for (i = sizeof(model) - 1; i > 0; i--) {
> +		if (model[i] >= 'A')
> +			return model[i];
> +	}
> +
> +	return 'A';
> +}
> diff --git a/arch/arm/boards/gateworks-ventana/gsc.h b/arch/arm/boards/gateworks-ventana/gsc.h
> index a6e7e22..13f2262 100644
> --- a/arch/arm/boards/gateworks-ventana/gsc.h
> +++ b/arch/arm/boards/gateworks-ventana/gsc.h
> @@ -56,3 +56,5 @@
>   */
>  int gsc_i2c_read(struct i2c_client *client, u32 addr, u8 *buf, u16 count);
>  int gsc_i2c_write(struct i2c_client *client, u32 addr, const u8 *buf, u16 count);
> +
> +char gsc_get_rev(struct i2c_client *client);
> -- 
> 2.9.4
> 
> 
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> 

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