[PATCH v4] ARM: dts: exynos: Add nodes for True Random Number Generator

["Łukasz Stelmach" <l.stelmach-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>]

Add nodes for the True Random Number Generator found in Samsung Exynos
5250+ SoCs.

Signed-off-by: Łukasz Stelmach <l.stelmach-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
---
Changes since v3:

- Rebased accroding to Krzysztof Kozłowski's request

 arch/arm/boot/dts/exynos5.dtsi    | 5 +++++
 arch/arm/boot/dts/exynos5250.dtsi | 5 +++++
 arch/arm/boot/dts/exynos5410.dtsi | 5 +++++
 arch/arm/boot/dts/exynos5420.dtsi | 5 +++++
 4 files changed, 20 insertions(+)

diff --git a/arch/arm/boot/dts/exynos5.dtsi b/arch/arm/boot/dts/exynos5.dtsi
index 6cc5c37a9b2a..b3c8428de389 100644
--- a/arch/arm/boot/dts/exynos5.dtsi
+++ b/arch/arm/boot/dts/exynos5.dtsi
@@ -216,6 +216,11 @@
 		      reg = <0x10830400 0x200>;
 		};
 
+		trng: rng@10830600 {
+		      compatible = "samsung,exynos5250-trng";
+		      reg = <0x10830600 0x100>;
+		};
+
 		g2d: g2d@10850000 {
 			compatible = "samsung,exynos5250-g2d";
 			reg = <0x10850000 0x1000>;
diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi
index e55748798845..bdd742e3f3c3 100644
--- a/arch/arm/boot/dts/exynos5250.dtsi
+++ b/arch/arm/boot/dts/exynos5250.dtsi
@@ -1111,4 +1111,9 @@
 	clock-names = "secss";
 };
 
+&trng {
+	clocks = <&clock CLK_SSS>;
+	clock-names = "secss";
+};
+
 #include "exynos5250-pinctrl.dtsi"
diff --git a/arch/arm/boot/dts/exynos5410.dtsi b/arch/arm/boot/dts/exynos5410.dtsi
index f5541000606b..4e5d9bad085f 100644
--- a/arch/arm/boot/dts/exynos5410.dtsi
+++ b/arch/arm/boot/dts/exynos5410.dtsi
@@ -392,6 +392,11 @@
 		  3 0 0x07000000 0x20000>;
 };
 
+&trng {
+	clocks = <&clock CLK_SSS>;
+	clock-names = "secss";
+};
+
 &usbdrd3_0 {
 	clocks = <&clock CLK_USBD300>;
 	clock-names = "usbdrd30";
diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi
index 3611f5c05235..f7c2ba61830b 100644
--- a/arch/arm/boot/dts/exynos5420.dtsi
+++ b/arch/arm/boot/dts/exynos5420.dtsi
@@ -1479,6 +1479,11 @@
 	clock-names = "secss";
 };
 
+&trng {
+	clocks = <&clock CLK_SSS>;
+	clock-names = "secss";
+};
+
 &usbdrd3_0 {
 	clocks = <&clock CLK_USBD300>;
 	clock-names = "usbdrd30";
-- 
2.11.0

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