[PATCH 4/5] clk: rockchip: rk3568: Add dummy support for GMAC speed clocks

[Kever Yang]

On 2023/8/4 17:34, Jonas Karlman wrote:
> Pine64 Quartz64 boards DT reference SCLK_GMAC1_RGMII_SPEED in the
> assigned-clocks property of the gmac1 node. This result in a ENOENT
> error when driver core tries to set a parent for this clock.
>
> The clock speed in rgmii/rmii mode is changed using clk_set_rate of the
> tx_rx clock and not using clk_set_parent of the speed clock.
>
> Add dummy support for SCLK_GMAC1_RGMII_SPEED and similar clocks to clk
> driver to allow a driver for gmac node to probe.
>
> Signed-off-by: Jonas Karlman <jonas at kwiboo.se>
Reviewed-by: Kever Yang <kever.yang at rock-chips.com>

Thanks,
- Kever
> ---
>   drivers/clk/rockchip/clk_rk3568.c | 4 ++++
>   1 file changed, 4 insertions(+)
>
> diff --git a/drivers/clk/rockchip/clk_rk3568.c b/drivers/clk/rockchip/clk_rk3568.c
> index dabc7e70dd5a..599b7b130eb9 100644
> --- a/drivers/clk/rockchip/clk_rk3568.c
> +++ b/drivers/clk/rockchip/clk_rk3568.c
> @@ -2843,6 +2843,10 @@ static int rk3568_clk_set_parent(struct clk *clk, struct clk *parent)
>   	case CLK_RKVDEC_CORE:
>   		return rk3568_rkvdec_set_parent(clk, parent);
>   	case I2S1_MCLKOUT_TX:
> +	case SCLK_GMAC0_RGMII_SPEED:
> +	case SCLK_GMAC0_RMII_SPEED:
> +	case SCLK_GMAC1_RGMII_SPEED:
> +	case SCLK_GMAC1_RMII_SPEED:
>   		break;
>   	default:
>   		return -ENOENT;