[U-Boot] [PATCH 2/2] ARM: am3517_evm: Disable DM_I2C_COMPAT

[Derald D. Woods <woods.technical@gmail.com>]

On Sun, Aug 19, 2018 at 11:11:03AM -0500, Adam Ford wrote:
> DM_I2C_COMPAT is somehow being enabled outside of Kconfig, so
> this explicitly undefines it in the header file, and brackets
> the I2C initialization around an #ifdef to not manually
> initialize the I2C controller when the DM_I2C is enabled.
> 
> Signed-off-by: Adam Ford <aford173@gmail.com>

There are some merge conflicts, but otherwise the changes here and patch
1 of the series allow DM_I2C without compatibility.

[...]
AM3517_EVM # i2c dev 0
Setting bus to 0
AM3517_EVM # i2c probe
Valid chip addresses: 30 31 32 33 34 35 36 37 48 4B
AM3517_EVM # i2c dev 1
Setting bus to 1
AM3517_EVM # i2c probe
Valid chip addresses: 21
[...]

Tested-by: Derald D. Woods <woods.technical@gmail.com>

> 
> diff --git a/board/logicpd/am3517evm/am3517evm.c b/board/logicpd/am3517evm/am3517evm.c
> index da8be22085..6f728398c3 100644
> --- a/board/logicpd/am3517evm/am3517evm.c
> +++ b/board/logicpd/am3517evm/am3517evm.c
> @@ -108,10 +108,11 @@ int misc_init_r(void)
>  	volatile unsigned int ctr;
>  	u32 reset;
>  
> +#if !defined(CONFIG_DM_I2C)
>  #ifdef CONFIG_SYS_I2C_OMAP24XX
>  	i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE);
>  #endif
> -
> +#endif
>  	omap_die_id_display();
>  
>  	am3517_evm_musb_init();
> diff --git a/include/configs/am3517_evm.h b/include/configs/am3517_evm.h
> index c767961562..507f12ef9e 100644
> --- a/include/configs/am3517_evm.h
> +++ b/include/configs/am3517_evm.h
> @@ -25,8 +25,8 @@
>  #define CONFIG_SYS_SPL_MALLOC_SIZE	0x100000
>  
>  #include <configs/ti_omap3_common.h>
> -#undef CONFIG_SDRC	/* Disable SDRC since we have EMIF4 */
>  
> +#undef CONFIG_DM_I2C_COMPAT
>  #define CONFIG_MISC_INIT_R
>  #define CONFIG_REVISION_TAG
>  
> -- 
> 2.17.1
> 
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