| Message ID | 20221214171145.2913557-8-bmasney@redhat.com |
|---|---|
| State | New |
| Headers | show |
| Series | dts: qcom: sc8280xp: add i2c, spi, and rng nodes | expand |
On 14.12.2022 18:11, Brian Masney wrote: > 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> > --- Nodes with MMIO addresses should be sorted address-wise, so this one should come between qup1 and pcie4. Konrad > This is a new patch that's introduced in v2. > > arch/arm64/boot/dts/qcom/sc8280xp.dtsi | 7 +++++++ > 1 file changed, 7 insertions(+) > > 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>;
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>;
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(+)