[PATCH 04/13] usb: ehci-mx6: Turn on the power domain of USB PHY

[Marek Vasut]

On 9/16/20 2:56 PM, peng.fan at nxp.com wrote:
[...]
> @@ -569,6 +571,20 @@ static int ehci_usb_phy_mode(struct udevice *dev)
>  		if ((fdt_addr_t)addr == FDT_ADDR_T_NONE)
>  			return -EINVAL;
>  
> +		/* Need to power on the PHY before access it */
> +#if CONFIG_IS_ENABLED(POWER_DOMAIN)
> +		struct udevice phy_dev;
> +		struct power_domain pd;
> +		int ret;
> +
> +		phy_dev.node = offset_to_ofnode(phy_off);
> +		if (!power_domain_get(&phy_dev, &pd)) {
> +			ret = power_domain_on(&pd);
> +			if (ret)
> +				return ret;
> +		}
> +#endif

Should we also turn it OFF somewhere ?