linux-kernel - Re: [RESEND PATCH 2/2] phy: rockchip-inno-usb2: add support of u2phy for rk3328

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Date:   Wed, 01 Mar 2017 18:50:25 +0100
From:   Heiko Stuebner <heiko@...ech.de>
To:     Meng Dongyang <daniel.meng@...k-chips.com>
Cc:     robh+dt@...nel.org, mark.rutland@....com, geert+renesas@...der.be,
        yoshihiro.shimoda.uh@...esas.com,
        martin.blumenstingl@...glemail.com, devicetree@...r.kernel.org,
        kishon@...com, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org, linux-rockchip@...ts.infradead.org,
        huangtao@...k-chips.com, kever.yang@...k-chips.com,
        william.wu@...k-chips.com, frank.wang@...k-chips.com
Subject: Re: [RESEND PATCH 2/2] phy: rockchip-inno-usb2: add support of u2phy for rk3328

Am Mittwoch, 1. März 2017, 18:34:23 CET schrieb Meng Dongyang:
> Add u2phy config information in the data of match table for
> rk3328.
> 
> Signed-off-by: Meng Dongyang <daniel.meng@...k-chips.com>

in general looks good, so
Reviewed-by: Heiko Stuebner <heiko@...ech.de>

one question below


>  drivers/phy/phy-rockchip-inno-usb2.c | 21 +++++++++++++++++++++
>  1 file changed, 21 insertions(+)
> 
> diff --git a/drivers/phy/phy-rockchip-inno-usb2.c
> b/drivers/phy/phy-rockchip-inno-usb2.c index 4ea95c2..cf2729c 100644
> --- a/drivers/phy/phy-rockchip-inno-usb2.c
> +++ b/drivers/phy/phy-rockchip-inno-usb2.c
> @@ -1141,6 +1141,26 @@ static int rockchip_usb2phy_probe(struct
> platform_device *pdev) return ret;
>  }
> 
> +static const struct rockchip_usb2phy_cfg rk3328_phy_cfgs[] = {
> +	{
> +		.reg = 0x100,
> +		.num_ports	= 2,
> +		.phy_tuning	= rk3328_usb2phy_tuning,
> +		.clkout_ctl	= { 0x108, 4, 4, 1, 0 },
> +		.port_cfgs	= {
> +			[USB2PHY_PORT_HOST] = {
> +				.phy_sus	= { 0x104, 15, 0, 0, 0x1d1 },
> +				.ls_det_en	= { 0x110, 1, 1, 0, 1 },
> +				.ls_det_st	= { 0x114, 1, 1, 0, 1 },
> +				.ls_det_clr	= { 0x118, 1, 1, 0, 1 },
> +				.utmi_ls	= { 0x120, 17, 16, 0, 1 },
> +				.utmi_hstdet	= { 0x120, 19, 19, 0, 1 }
> +			}
> +		},
> +	},

The TRM also talks about the otg-port, so is there a reason for not including 
it here?


Heiko

> +	{ /* sentinel */ }
> +};
> +
>  static const struct rockchip_usb2phy_cfg rk3366_phy_cfgs[] = {
>  	{
>  		.reg = 0x700,
> @@ -1223,6 +1243,7 @@ static int rockchip_usb2phy_probe(struct
> platform_device *pdev) };
> 
>  static const struct of_device_id rockchip_usb2phy_dt_match[] = {
> +	{ .compatible = "rockchip,rk3328-usb2phy", .data = &rk3328_phy_cfgs },
>  	{ .compatible = "rockchip,rk3366-usb2phy", .data = &rk3366_phy_cfgs },
>  	{ .compatible = "rockchip,rk3399-usb2phy", .data = &rk3399_phy_cfgs },
>  	{}