[U-Boot] [PATCH v2] arm, imx6: add alternative PAD_CTL_DSE constants

[Stefano Babic]

Hi Mark,

On 28/06/2018 10:07, Mark Jonas wrote:
> Not all i.MX6 pads use the same drive strength table. So far only the
> 240 Ohm to 34 Ohm table was available. Because the constants used have
> speaking names it can be confusing to use e.g. PAD_CTL_DSE_48ohm when
> according to the reference manual 52 Ohm is the correct value. This
> patch adds the 260 Ohm to 37 Ohm table.
> 
> For example, the IOMUXC_SW_PAD_CTL_PAD_SD2_CLK register (SD-card clock)
> uses the added table.
> 
> Signed-off-by: Mark Jonas <mark.jonas at de.bosch.com>
> ---
> Changes in V2:
>  - Add missing Signed-off-by
> ---
>  arch/arm/include/asm/mach-imx/iomux-v3.h | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/arch/arm/include/asm/mach-imx/iomux-v3.h b/arch/arm/include/asm/mach-imx/iomux-v3.h
> index bb93058..63f4b33 100644
> --- a/arch/arm/include/asm/mach-imx/iomux-v3.h
> +++ b/arch/arm/include/asm/mach-imx/iomux-v3.h
> @@ -163,6 +163,14 @@ typedef u64 iomux_v3_cfg_t;
>  #define PAD_CTL_DSE_40ohm	(6 << 3)
>  #define PAD_CTL_DSE_34ohm	(7 << 3)
>  
> +#define PAD_CTL_DSE_260ohm	(1 << 3)
> +#define PAD_CTL_DSE_130ohm	(2 << 3)
> +#define PAD_CTL_DSE_88ohm	(3 << 3)
> +#define PAD_CTL_DSE_65ohm	(4 << 3)
> +#define PAD_CTL_DSE_52ohm	(5 << 3)
> +#define PAD_CTL_DSE_43ohm	(6 << 3)
> +#define PAD_CTL_DSE_37ohm	(7 << 3)
> +
>  /* i.MX6SL/SLL */
>  #define PAD_CTL_LVE		(1 << 1)
>  #define PAD_CTL_LVE_BIT		(1 << 22)
> 

Reviewed-by: Stefano Babic <sbabic at denx.de>

Best regards,
Stefano Babic

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