[PATCH] rockchip: enable RNG on RockPro64

[Kever Yang]

Hi Marcin,

     The commit message is acceptable, but you will need to send a new 
V2 patch for this instead of reply this by the comment.


Thanks,

- Kever

On 2020/5/25 下午4:52, Marcin Juszkiewicz wrote:
> RNG module works fine on RockPro64 so let's enable it by default.
>
> =>  rng
> 00000000: 77 08 dd 04 2c 4d b8 cf 25 07 29 2d c0 ce 28 3b  w...,M..%.)-..(;
> 00000010: d4 5a 38 68 b1 40 97 59 b8 a5 7c 42 f8 4c 38 28  .Z8h. at .Y..|B.L8(
> 00000020: 25 20 0b 4b f0 1a d5 c1 e6 a2 c2 34 5a 5e 64 26  % .K.......4Z^d&
> 00000030: 41 8b d8 7e c4 d6 9e e3 da 0e 98 a2 2f 38 0d 9f  A..~......../8..
>
> Signed-off-by: Marcin Juszkiewicz <marcin at juszkiewicz.com.pl>
> ---
>   arch/arm/dts/rk3399-rockpro64-u-boot.dtsi | 4 ++++
>   configs/rockpro64-rk3399_defconfig        | 2 ++
>   2 files changed, 6 insertions(+)
>
> diff --git arch/arm/dts/rk3399-rockpro64-u-boot.dtsi arch/arm/dts/rk3399-rockpro64-u-boot.dtsi
> index deaa3efd39..824ee4e3ce 100644
> --- arch/arm/dts/rk3399-rockpro64-u-boot.dtsi
> +++ arch/arm/dts/rk3399-rockpro64-u-boot.dtsi
> @@ -23,3 +23,7 @@
>   &vdd_log {
>   	regulator-init-microvolt = <950000>;
>   };
> +
> +&rng {
> +	status = "okay";
> +};
> diff --git configs/rockpro64-rk3399_defconfig configs/rockpro64-rk3399_defconfig
> index 53abce0057..04ba151475 100644
> --- configs/rockpro64-rk3399_defconfig
> +++ configs/rockpro64-rk3399_defconfig
> @@ -43,6 +43,8 @@ CONFIG_REGULATOR_PWM=y
>   CONFIG_REGULATOR_RK8XX=y
>   CONFIG_PWM_ROCKCHIP=y
>   CONFIG_RAM_RK3399_LPDDR4=y
> +CONFIG_DM_RNG=y
> +CONFIG_RNG_ROCKCHIP=y
>   CONFIG_BAUDRATE=1500000
>   CONFIG_DEBUG_UART_SHIFT=2
>   CONFIG_ROCKCHIP_SPI=y