[U-Boot] [PATCH v5 4/9] board: ti: dra7xx-evm: turn on USB clocks in late init stage

[Marek Vasut]

On 05/04/2018 04:34 PM, Jean-Jacques Hiblot wrote:
> For USB ports that use the Driver Model, turn on the clocks during the
> late init stage.
> 
> Signed-off-by: Jean-Jacques Hiblot <jjhiblot at ti.com>
> Reviewed-by: Tom Rini <trini at konsulko.com>
> ---
> 
> Changes in v5: None
> Changes in v4: None
> Changes in v3: None
> Changes in v2: None
> 
>  board/ti/dra7xx/evm.c | 19 +++++++++++++++++++
>  1 file changed, 19 insertions(+)
> 
> diff --git a/board/ti/dra7xx/evm.c b/board/ti/dra7xx/evm.c
> index 06f061c..c1e1b8e 100644
> --- a/board/ti/dra7xx/evm.c
> +++ b/board/ti/dra7xx/evm.c
> @@ -647,6 +647,19 @@ int dram_init_banksize(void)
>  	return 0;
>  }
>  
> +#if CONFIG_IS_ENABLED(DM_USB) && CONFIG_IS_ENABLED(OF_CONTROL)
> +static int device_okay(const char *path)
> +{
> +	int node;
> +
> +	node = fdt_path_offset(gd->fdt_blob, path);
> +	if (node < 0)
> +		return 0;
> +
> +	return fdtdec_get_is_enabled(gd->fdt_blob, node);
> +}
> +#endif
> +
>  int board_late_init(void)
>  {
>  #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
> @@ -686,6 +699,12 @@ int board_late_init(void)
>  	if (board_is_dra71x_evm())
>  		palmas_i2c_write_u8(LP873X_I2C_SLAVE_ADDR, 0x9, 0x7);
>  #endif
> +#if CONFIG_IS_ENABLED(DM_USB) && CONFIG_IS_ENABLED(OF_CONTROL)
> +	if (device_okay("/ocp/omap_dwc3_1 at 48880000"))
> +		enable_usb_clocks(0);
> +	if (device_okay("/ocp/omap_dwc3_2 at 488c0000"))
> +		enable_usb_clocks(1);
> +#endif

Shouldnt the driver turn this on?

-- 
Best regards,
Marek Vasut