ARM: dts: qcom: add pseudo random number generator on the IPQ4019

This architecture has a pseudo random number generator
supported by the existing "qcom,prng" binding.

rngtest: bits received from input: 5795960032
rngtest: FIPS 140-2 successes: 289591
rngtest: FIPS 140-2 failures: 207
rngtest: FIPS 140-2(2001-10-10) Monobit: 25
rngtest: FIPS 140-2(2001-10-10) Poker: 28
rngtest: FIPS 140-2(2001-10-10) Runs: 91
rngtest: FIPS 140-2(2001-10-10) Long run: 67
rngtest: FIPS 140-2(2001-10-10) Continuous run: 0
rngtest: input channel speed: (min=244; avg=46122; max=3906250)Kibits/s
rngtest: FIPS tests speed: (min=1.327; avg=20.966; max=26.345)Mibits/s
rngtest: Program run time: 386965827 microseconds

Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: Andy Gross <andy.gross@linaro.org>

diff --git a/arch/arm/boot/dts/qcom-ipq4019-ap.dk01.1.dtsi b/arch/arm/boot/dts/qcom-ipq4019-ap.dk01.1.dtsi
index c055a578576964c21c806f60ae04c4a5c483ba45..10a0c28cbab939449b7301907fe775cc958c7ea8 100644 (file)
--- a/arch/arm/boot/dts/qcom-ipq4019-ap.dk01.1.dtsi
+++ b/arch/arm/boot/dts/qcom-ipq4019-ap.dk01.1.dtsi
@@ -21,6 +21,10 @@
        compatible = "qcom,ipq4019";
 
        soc {
+               rng@22000 {
+                       status = "ok";
+               };
+
                pinctrl@1000000 {
                        serial_pins: serial_pinmux {
                                mux {

diff --git a/arch/arm/boot/dts/qcom-ipq4019.dtsi b/arch/arm/boot/dts/qcom-ipq4019.dtsi
index bd4b3c52d8681c8a765684273c74d572d03558e8..069243bc161cc21683c3c9d4c9aefc640942d28c 100644 (file)
--- a/arch/arm/boot/dts/qcom-ipq4019.dtsi
+++ b/arch/arm/boot/dts/qcom-ipq4019.dtsi
@@ -134,6 +134,14 @@
                        reg = <0x1800000 0x60000>;
                };
 
+               rng@22000 {
+                       compatible = "qcom,prng";
+                       reg = <0x22000 0x140>;
+                       clocks = <&gcc GCC_PRNG_AHB_CLK>;
+                       clock-names = "core";
+                       status = "disabled";
+               };
+
                tlmm: pinctrl@1000000 {
                        compatible = "qcom,ipq4019-pinctrl";
                        reg = <0x01000000 0x300000>;