arm64: dts: meson: a1: add hw rng node

Add hardware number generator node. HWRNG access requires OTP power
domain being enabled.

Signed-off-by: Alexey Romanov <avromanov@sberdevices.ru>
Signed-off-by: Dmitry Rokosov <ddrokosov@sberdevices.ru>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20230823213630.12936-13-ddrokosov@sberdevices.ru
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>

diff --git a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
index 953851f4ae4db0c6051210f98a743a0c28ebaeea..9411acb84f9a11389b4a609c3aa5de6ee6b05aa0 100644 (file)
--- a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
@@ -242,6 +242,12 @@
                                power-domains = <&pwrc PWRC_USB_ID>;
                        };
 
+                       hwrng: rng@5118 {
+                               compatible = "amlogic,meson-rng";
+                               reg = <0x0 0x5118 0x0 0x4>;
+                               power-domains = <&pwrc PWRC_OTP_ID>;
+                       };
+
                        clkc_pll: pll-clock-controller@7c80 {
                                compatible = "amlogic,a1-pll-clkc";
                                reg = <0 0x7c80 0 0x18c>;