diff mbox series

[v2,7/7] arm64: dts: qcom: sc8280xp: add rng device tree node

Message ID 20221214171145.2913557-8-bmasney@redhat.com
State New
Headers show
Series [v2,1/7] arm64: dts: qcom: sc8280xp: rename qup2_uart17 to uart17 | expand

Commit Message

Brian Masney Dec. 14, 2022, 5:11 p.m. UTC 
Add the necessary device tree node for qcom,prng-ee so we can use the
hardware random number generator. This functionality was tested on a
SA8540p automotive development board using kcapi-rng from libkcapi.

Signed-off-by: Brian Masney <bmasney@redhat.com>
---
This is a new patch that's introduced in v2.

 arch/arm64/boot/dts/qcom/sc8280xp.dtsi | 7 +++++++
 1 file changed, 7 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
index 4591d411f5fb..67765975361b 100644
--- a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
@@ -2811,6 +2811,13 @@  tlmm: pinctrl@f100000 {
 			gpio-ranges = <&tlmm 0 0 230>;
 		};
 
+		rng: rng@10d3000 {
+			compatible = "qcom,prng-ee";
+			reg = <0 0x010d3000 0 0x1000>;
+			clocks = <&rpmhcc RPMH_HWKM_CLK>;
+			clock-names = "core";
+		};
+
 		apps_smmu: iommu@15000000 {
 			compatible = "qcom,sc8280xp-smmu-500", "arm,mmu-500";
 			reg = <0 0x15000000 0 0x100000>;