[PATCH 12/31] clk: rockchip: rk3399: Add dummy support for ACLK_VDU clock

[Kever Yang]

On 2024/4/1 04:28, Jonas Karlman wrote:
> rk3399.dtsi from linux v5.19 and newer try to set VDU clock rate to
> 400 MHz using an assigned-clock-rates prop of the CRU node.
>
> U-Boot does not use or need this clock so add dummy support for getting
> and setting ACLK_VDU clock rate to allow CRU driver to be loaded with an
> updated rk3399.dtsi.
>
> 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_rk3399.c | 2 ++
>   1 file changed, 2 insertions(+)
>
> diff --git a/drivers/clk/rockchip/clk_rk3399.c b/drivers/clk/rockchip/clk_rk3399.c
> index f0ce54067f8c..5934771b4096 100644
> --- a/drivers/clk/rockchip/clk_rk3399.c
> +++ b/drivers/clk/rockchip/clk_rk3399.c
> @@ -971,6 +971,7 @@ static ulong rk3399_clk_get_rate(struct clk *clk)
>   	case ACLK_HDCP:
>   	case ACLK_GIC_PRE:
>   	case PCLK_DDR:
> +	case ACLK_VDU:
>   		break;
>   	case PCLK_ALIVE:
>   	case PCLK_WDT:
> @@ -1061,6 +1062,7 @@ static ulong rk3399_clk_set_rate(struct clk *clk, ulong rate)
>   	case ACLK_HDCP:
>   	case ACLK_GIC_PRE:
>   	case PCLK_DDR:
> +	case ACLK_VDU:
>   		return 0;
>   	default:
>   		log_debug("Unknown clock %lu\n", clk->id);