[PATCH] phy: rockchip-inno-usb2: add support for older rockchip SoC bindings

[Sascha Hauer]

On Thu, Dec 02, 2021 at 08:42:36AM +0100, Ahmad Fatoum wrote:
> Anything earlier than the rv1108, has no rockchip,usbgrf regmap and
> instead access the parent device's regmap. Add support for this binding,
> so the driver is usable on the rk3399.
> 
> Signed-off-by: Ahmad Fatoum <a.fatoum at pengutronix.de>
> ---
>  drivers/phy/rockchip/phy-rockchip-inno-usb2.c | 7 ++++++-
>  1 file changed, 6 insertions(+), 1 deletion(-)

Applied, thanks

Sascha

> 
> diff --git a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
> index 6b9d54f34460..459ad9b35534 100644
> --- a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
> +++ b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
> @@ -392,7 +392,12 @@ static int rockchip_usb2phy_probe(struct device_d *dev)
>  
>  	rphy->dev = dev;
>  
> -	rphy->grf_base = syscon_regmap_lookup_by_phandle(np, "rockchip,usbgrf");
> +	if (of_device_is_compatible(np, "rockchip,rv1108-usb2phy") ||
> +	    of_device_is_compatible(np, "rockchip,rk3568-usb2phy"))
> +		rphy->grf_base = syscon_regmap_lookup_by_phandle(np, "rockchip,usbgrf");
> +	else
> +		rphy->grf_base = syscon_node_to_regmap(dev->parent->device_node);
> +
>  	if (IS_ERR(rphy->grf_base))
>  		return PTR_ERR(rphy->grf_base);
>  
> -- 
> 2.30.2
> 
> 
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