[PATCH v9 3/3] arm64: dts: rockchip: add DT entry for RNG to RK356x

Rob Herring robh at kernel.org
Tue Aug 13 07:17:05 PDT 2024


On Tue, Jul 30, 2024 at 10:11 AM Daniel Golle <daniel at makrotopia.org> wrote:
>
> From: Aurelien Jarno <aurelien at aurel32.net>
>
> Include the just added Rockchip RNG driver for RK356x SoCs and
> enable it on RK3568.
>
> Signed-off-by: Aurelien Jarno <aurelien at aurel32.net>
> Signed-off-by: Daniel Golle <daniel at makrotopia.org>
> ---
>  arch/arm64/boot/dts/rockchip/rk3568.dtsi |  4 ++++
>  arch/arm64/boot/dts/rockchip/rk356x.dtsi | 10 ++++++++++
>  2 files changed, 14 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/rockchip/rk3568.dtsi b/arch/arm64/boot/dts/rockchip/rk3568.dtsi
> index f1be76a54ceb0..2a6ca20e607fd 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3568.dtsi
> +++ b/arch/arm64/boot/dts/rockchip/rk3568.dtsi
> @@ -257,6 +257,10 @@ power-domain at RK3568_PD_PIPE {
>         };
>  };
>
> +&rng {
> +       status = "okay";
> +};
> +
>  &usb_host0_xhci {
>         phys = <&usb2phy0_otg>, <&combphy0 PHY_TYPE_USB3>;
>         phy-names = "usb2-phy", "usb3-phy";
> diff --git a/arch/arm64/boot/dts/rockchip/rk356x.dtsi b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
> index 4690be841a1cd..d160a23fd4959 100644
> --- a/arch/arm64/boot/dts/rockchip/rk356x.dtsi
> +++ b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
> @@ -1113,6 +1113,16 @@ sdhci: mmc at fe310000 {
>                 status = "disabled";
>         };
>
> +       rng: rng at fe388000 {
> +               compatible = "rockchip,rk3568-rng";
> +               reg = <0x0 0xfe388000 0x0 0x4000>;
> +               clocks = <&cru CLK_TRNG_NS>, <&cru HCLK_TRNG_NS>;
> +               clock-names = "core", "ahb";
> +               resets = <&cru SRST_TRNG_NS>;
> +               reset-names = "reset";

This adds a new warning:

rng at fe388000: 'reset-names' does not match any of the regexes: 'pinctrl-[0-9]+'



More information about the Linux-rockchip mailing list