[PATCH 3/7] phy: rockchip: naneng-combphy: Add support for multiple resets

Kever Yang kever.yang at rock-chips.com
Fri Apr 21 11:30:53 CEST 2023


On 2023/4/17 17:19, Eugen Hristev wrote:
> Some variants of the PHY have more than just one reset.
> To cover all cases, request the rests in bulk rather than just
> the reset at index 0.
>
> Co-developed-by: Ren Jianing <jianing.ren at rock-chips.com>
> Signed-off-by: Ren Jianing <jianing.ren at rock-chips.com>
> Signed-off-by: Eugen Hristev <eugen.hristev at collabora.com>
Reviewed-by: Kever Yang <kever.yang at rock-chips.com>

Thanks,
- Kever

> ---
>   drivers/phy/rockchip/phy-rockchip-naneng-combphy.c | 8 ++++----
>   1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/phy/rockchip/phy-rockchip-naneng-combphy.c b/drivers/phy/rockchip/phy-rockchip-naneng-combphy.c
> index 78da5fe79700..b673a8da9f8e 100644
> --- a/drivers/phy/rockchip/phy-rockchip-naneng-combphy.c
> +++ b/drivers/phy/rockchip/phy-rockchip-naneng-combphy.c
> @@ -76,7 +76,7 @@ struct rockchip_combphy_priv {
>   	struct regmap *pipe_grf;
>   	struct regmap *phy_grf;
>   	struct phy *phy;
> -	struct reset_ctl phy_rst;
> +	struct reset_ctl_bulk phy_rsts;
>   	struct clk ref_clk;
>   	const struct rockchip_combphy_cfg *cfg;
>   };
> @@ -189,7 +189,7 @@ static int rockchip_combphy_init(struct phy *phy)
>   	if (ret)
>   		goto err_clk;
>   
> -	reset_deassert(&priv->phy_rst);
> +	reset_deassert_bulk(&priv->phy_rsts);
>   
>   	return 0;
>   
> @@ -204,7 +204,7 @@ static int rockchip_combphy_exit(struct phy *phy)
>   	struct rockchip_combphy_priv *priv = dev_get_priv(phy->dev);
>   
>   	clk_disable(&priv->ref_clk);
> -	reset_assert(&priv->phy_rst);
> +	reset_assert_bulk(&priv->phy_rsts);
>   
>   	return 0;
>   }
> @@ -255,7 +255,7 @@ static int rockchip_combphy_parse_dt(struct udevice *dev,
>   		return PTR_ERR(&priv->ref_clk);
>   	}
>   
> -	ret = reset_get_by_index(dev, 0, &priv->phy_rst);
> +	ret = reset_get_bulk(dev, &priv->phy_rsts);
>   	if (ret) {
>   		dev_err(dev, "no phy reset control specified\n");
>   		return ret;


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