rockchip: rk35xx: Enable random generator
The RK35xx SoCs contain a crypto engine block that can generate random
numbers.
Enable rng node in soc u-boot.dtsi and enable Kconfig options to take
advantage of the random generator.
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Dragan Simic <dsimic@manjaro.org>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/arch/arm/dts/rk3566-anbernic-rgxx3-u-boot.dtsi b/arch/arm/dts/rk3566-anbernic-rgxx3-u-boot.dtsi
index 791f16b..793ed4a 100644
--- a/arch/arm/dts/rk3566-anbernic-rgxx3-u-boot.dtsi
+++ b/arch/arm/dts/rk3566-anbernic-rgxx3-u-boot.dtsi
@@ -6,12 +6,6 @@
chosen {
u-boot,spl-boot-order = "same-as-spl", &sdmmc1, &sdmmc0;
};
-
- rng: rng@fe388000 {
- compatible = "rockchip,cryptov2-rng";
- reg = <0x0 0xfe388000 0x0 0x2000>;
- status = "okay";
- };
};
&dsi_dphy0 {
diff --git a/arch/arm/dts/rk356x-u-boot.dtsi b/arch/arm/dts/rk356x-u-boot.dtsi
index d347080..0536721 100644
--- a/arch/arm/dts/rk356x-u-boot.dtsi
+++ b/arch/arm/dts/rk356x-u-boot.dtsi
@@ -21,6 +21,11 @@
bootph-all;
};
+ rng: rng@fe388000 {
+ compatible = "rockchip,cryptov2-rng";
+ reg = <0x0 0xfe388000 0x0 0x2000>;
+ };
+
otp: nvmem@fe38c000 {
compatible = "rockchip,rk3568-otp";
reg = <0x0 0xfe38c000 0x0 0x4000>;
diff --git a/arch/arm/dts/rk3588s-u-boot.dtsi b/arch/arm/dts/rk3588s-u-boot.dtsi
index ac67c77..233eb79 100644
--- a/arch/arm/dts/rk3588s-u-boot.dtsi
+++ b/arch/arm/dts/rk3588s-u-boot.dtsi
@@ -91,7 +91,6 @@
rng: rng@fe378000 {
compatible = "rockchip,trngv1";
reg = <0x0 0xfe378000 0x0 0x200>;
- status = "disabled";
};
usbdp_phy0: phy@fed80000 {
diff --git a/arch/arm/mach-rockchip/Kconfig b/arch/arm/mach-rockchip/Kconfig
index 680364a..f35553f 100644
--- a/arch/arm/mach-rockchip/Kconfig
+++ b/arch/arm/mach-rockchip/Kconfig
@@ -306,9 +306,11 @@
select BOARD_LATE_INIT
select DM_REGULATOR_FIXED
select DM_RESET
+ imply DM_RNG
imply MISC_INIT_R
imply MMC_HS200_SUPPORT if MMC_SDHCI_ROCKCHIP
imply OF_LIBFDT_OVERLAY
+ imply RNG_ROCKCHIP
imply ROCKCHIP_COMMON_BOARD
imply ROCKCHIP_OTP
imply SPL_ATF_NO_PLATFORM_PARAM if SPL_ATF
@@ -335,9 +337,11 @@
select DM_RESET
imply BOOTSTD_FULL
imply CLK_SCMI
+ imply DM_RNG
imply MISC_INIT_R
imply MMC_HS200_SUPPORT if MMC_SDHCI_ROCKCHIP
imply OF_LIBFDT_OVERLAY
+ imply RNG_ROCKCHIP
imply ROCKCHIP_COMMON_BOARD
imply ROCKCHIP_OTP
imply SCMI_FIRMWARE