[PATCH 1/3] rockchip: Pinebook Pro: enable rng to provide an entropy source

[Peter Robinson]

Enable the rng so UEFI can provide entropy for KASLR

Signed-off-by: Peter Robinson <pbrobinson at gmail.com>
---
 arch/arm/dts/rk3399-pinebook-pro-u-boot.dtsi | 4 ++++
 arch/arm/dts/rk3399-rockpro64-u-boot.dtsi    | 4 ++++
 configs/pinebook-pro-rk3399_defconfig        | 2 ++
 3 files changed, 10 insertions(+)

diff --git a/arch/arm/dts/rk3399-pinebook-pro-u-boot.dtsi b/arch/arm/dts/rk3399-pinebook-pro-u-boot.dtsi
index 1a2e24d3ef..296321d697 100644
--- a/arch/arm/dts/rk3399-pinebook-pro-u-boot.dtsi
+++ b/arch/arm/dts/rk3399-pinebook-pro-u-boot.dtsi
@@ -24,6 +24,10 @@
 	u-boot,dm-pre-reloc;
 };
 
+&rng {
+	status = "okay";
+};
+
 &sdhci {
 	max-frequency = <25000000>;
 	u-boot,dm-pre-reloc;
diff --git a/arch/arm/dts/rk3399-rockpro64-u-boot.dtsi b/arch/arm/dts/rk3399-rockpro64-u-boot.dtsi
index bac09df4a3..cb8991aa25 100644
--- a/arch/arm/dts/rk3399-rockpro64-u-boot.dtsi
+++ b/arch/arm/dts/rk3399-rockpro64-u-boot.dtsi
@@ -19,6 +19,10 @@
 	};
 };
 
+&rng {
+	status = "okay";
+};
+
 &spi1 {
 	spi_flash: flash at 0 {
 		u-boot,dm-pre-reloc;
diff --git a/configs/pinebook-pro-rk3399_defconfig b/configs/pinebook-pro-rk3399_defconfig
index 0c129b9aeb..21eecf477c 100644
--- a/configs/pinebook-pro-rk3399_defconfig
+++ b/configs/pinebook-pro-rk3399_defconfig
@@ -54,6 +54,8 @@ CONFIG_DM_PMIC_FAN53555=y
 CONFIG_PMIC_RK8XX=y
 CONFIG_REGULATOR_PWM=y
 CONFIG_REGULATOR_RK8XX=y
+CONFIG_DM_RNG=y
+CONFIG_RNG_ROCKCHIP=y
 CONFIG_PWM_ROCKCHIP=y
 CONFIG_RAM_RK3399_LPDDR4=y
 CONFIG_DM_RESET=y
-- 
2.26.2