Re: [PATCH v4 03/10] phy: sun4i-usb: add support for H6 USB2 PHY

[Icenowy Zheng <icenowy-h8G6r0blFSE@public.gmane.org>]

在 2018-10-04四的 20:28 +0800，Icenowy Zheng写道：
> The USB 2.0 PHY on Allwinner H6 SoC is similar to older Allwinner
> SoCs,
> with some USB0 quirk like A83T and PHY index 1/2 missing.
> 
> Add support for it.
> 
> Signed-off-by: Icenowy Zheng <icenowy-h8G6r0blFSE@public.gmane.org>
> Reviewed-by: Chen-Yu Tsai <wens-jdAy2FN1RRM@public.gmane.org>

Excuse me.

Kishon, could you check PATCH 1~3 and queue them?

Even if USB3 support is pending, USB2 support will still be useful, and
they're independent.

> ---
> No changes in v4.
> 
> Changes in v3:
> - Added Chen-Yu's Review tag.
> 
>  drivers/phy/allwinner/phy-sun4i-usb.c | 19 +++++++++++++++++--
>  1 file changed, 17 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/phy/allwinner/phy-sun4i-usb.c
> b/drivers/phy/allwinner/phy-sun4i-usb.c
> index 881078ff73f6..ae16854a770a 100644
> --- a/drivers/phy/allwinner/phy-sun4i-usb.c
> +++ b/drivers/phy/allwinner/phy-sun4i-usb.c
> @@ -115,6 +115,7 @@ enum sun4i_usb_phy_type {
>  	sun8i_r40_phy,
>  	sun8i_v3s_phy,
>  	sun50i_a64_phy,
> +	sun50i_h6_phy,
>  };
>  
>  struct sun4i_usb_phy_cfg {
> @@ -295,7 +296,8 @@ static int sun4i_usb_phy_init(struct phy *_phy)
>  		return ret;
>  	}
>  
> -	if (data->cfg->type == sun8i_a83t_phy) {
> +	if (data->cfg->type == sun8i_a83t_phy ||
> +	    data->cfg->type == sun50i_h6_phy) {
>  		if (phy->index == 0) {
>  			val = readl(data->base + data->cfg-
> >phyctl_offset);
>  			val |= PHY_CTL_VBUSVLDEXT;
> @@ -344,7 +346,8 @@ static int sun4i_usb_phy_exit(struct phy *_phy)
>  	struct sun4i_usb_phy_data *data = to_sun4i_usb_phy_data(phy);
>  
>  	if (phy->index == 0) {
> -		if (data->cfg->type == sun8i_a83t_phy) {
> +		if (data->cfg->type == sun8i_a83t_phy ||
> +		    data->cfg->type == sun50i_h6_phy) {
>  			void __iomem *phyctl = data->base +
>  				data->cfg->phyctl_offset;
>  
> @@ -959,6 +962,17 @@ static const struct sun4i_usb_phy_cfg
> sun50i_a64_cfg = {
>  	.phy0_dual_route = true,
>  };
>  
> +static const struct sun4i_usb_phy_cfg sun50i_h6_cfg = {
> +	.num_phys = 4,
> +	.type = sun50i_h6_phy,
> +	.disc_thresh = 3,
> +	.phyctl_offset = REG_PHYCTL_A33,
> +	.dedicated_clocks = true,
> +	.enable_pmu_unk1 = true,
> +	.phy0_dual_route = true,
> +	.missing_phys = BIT(1) | BIT(2),
> +};
> +
>  static const struct of_device_id sun4i_usb_phy_of_match[] = {
>  	{ .compatible = "allwinner,sun4i-a10-usb-phy", .data =
> &sun4i_a10_cfg },
>  	{ .compatible = "allwinner,sun5i-a13-usb-phy", .data =
> &sun5i_a13_cfg },
> @@ -972,6 +986,7 @@ static const struct of_device_id
> sun4i_usb_phy_of_match[] = {
>  	{ .compatible = "allwinner,sun8i-v3s-usb-phy", .data =
> &sun8i_v3s_cfg },
>  	{ .compatible = "allwinner,sun50i-a64-usb-phy",
>  	  .data = &sun50i_a64_cfg},
> +	{ .compatible = "allwinner,sun50i-h6-usb-phy", .data =
> &sun50i_h6_cfg },
>  	{ },
>  };
>  MODULE_DEVICE_TABLE(of, sun4i_usb_phy_of_match);

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