[PATCH v8 3/3] arm64: dts: rockchip: add DT entry for RNG to RK356x

From: Daniel Golle
Date: Sat Jul 20 2024 - 20:49:02 EST


From: Aurelien Jarno <aurelien@xxxxxxxxxxx>

Enable the just added Rockchip RNG driver for RK356x SoCs.

Signed-off-by: Aurelien Jarno <aurelien@xxxxxxxxxxx>
Signed-off-by: Daniel Golle <daniel@xxxxxxxxxxxxxx>
---
arch/arm64/boot/dts/rockchip/rk3568.dtsi | 7 +++++++
arch/arm64/boot/dts/rockchip/rk356x.dtsi | 10 ++++++++++
2 files changed, 17 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3568.dtsi b/arch/arm64/boot/dts/rockchip/rk3568.dtsi
index f1be76a54ceb..b9c6b2dc87fa 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3568.dtsi
@@ -257,6 +257,13 @@ power-domain@RK3568_PD_PIPE {
};
};

+&rng {
+ rockchip,sample-count = <1000>;
+ quality = <900>;
+
+ 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 4690be841a1c..d160a23fd495 100644
--- a/arch/arm64/boot/dts/rockchip/rk356x.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
@@ -1113,6 +1113,16 @@ sdhci: mmc@fe310000 {
status = "disabled";
};

+ rng: rng@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";
+ status = "disabled";
+ };
+
i2s0_8ch: i2s@fe400000 {
compatible = "rockchip,rk3568-i2s-tdm";
reg = <0x0 0xfe400000 0x0 0x1000>;
--
2.45.2