[PATCH v2 4/4] rng: rockchip_rng: Update compatible for RK3588

[Kever Yang]

On 2025/4/9 06:11, Jonas Karlman wrote:
> Linux commit 6ee0b9ad3995 ("arm64: dts: rockchip: Add rng node to
> RK3588") merged for v6.15-rc1 add a proper rng node to the device tree.
> The compatible used differs compared to what U-Boot is currently using.
>
> Replace the old trngv1 compatible with the dts/upstream compatible in
> the rng driver and remove the old rng node compatible override from SoC
> u-boot.dtsi to keep rng working after the driver change.
>
> Signed-off-by: Jonas Karlman <jonas at kwiboo.se>
Reviewed-by: Kever Yang <kever.yang at rock-chips.com>

Thanks,
- Kever
> ---
> v2: Remove the rng node instead of changing compatible
> ---
>   arch/arm/dts/rk3588s-u-boot.dtsi | 5 -----
>   drivers/rng/rockchip_rng.c       | 2 +-
>   2 files changed, 1 insertion(+), 6 deletions(-)
>
> diff --git a/arch/arm/dts/rk3588s-u-boot.dtsi b/arch/arm/dts/rk3588s-u-boot.dtsi
> index 8880d162b11c..5eeb138f3513 100644
> --- a/arch/arm/dts/rk3588s-u-boot.dtsi
> +++ b/arch/arm/dts/rk3588s-u-boot.dtsi
> @@ -18,11 +18,6 @@
>   		compatible = "rockchip,rk3588-dmc";
>   		bootph-all;
>   	};
> -
> -	rng: rng at fe378000 {
> -		compatible = "rockchip,trngv1";
> -		reg = <0x0 0xfe378000 0x0 0x200>;
> -	};
>   };
>   
>   #ifdef CONFIG_ROCKCHIP_SPI_IMAGE
> diff --git a/drivers/rng/rockchip_rng.c b/drivers/rng/rockchip_rng.c
> index f673e2657c94..6e4e3abf08c8 100644
> --- a/drivers/rng/rockchip_rng.c
> +++ b/drivers/rng/rockchip_rng.c
> @@ -321,7 +321,7 @@ static const struct udevice_id rockchip_rng_match[] = {
>   		.data = (ulong)&rk_cryptov2_soc_data,
>   	},
>   	{
> -		.compatible = "rockchip,trngv1",
> +		.compatible = "rockchip,rk3588-rng",
>   		.data = (ulong)&rk_trngv1_soc_data,
>   	},
>   	{},