linux-kernel - [PATCH] dt-bindings: hwrng: Add Samsung Exynos 5250+ True RNG bindings

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Message-id: <20181002075633.25658-1-l.stelmach@samsung.com>
Date:   Tue, 02 Oct 2018 09:56:33 +0200
From:   Łukasz Stelmach <l.stelmach@...sung.com>
To:     Rob Herring <robh+dt@...nel.org>
Cc:     Joe Perches <joe@...ches.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        linux-samsung-soc@...r.kernel.org,
        Łukasz Stelmach <l.stelmach@...sung.com>
Subject: [PATCH] dt-bindings: hwrng: Add Samsung Exynos 5250+ True RNG
 bindings

Add binding documentation for the True Random Number Generator
found on Samsung Exynos 5250+ SoCs.

Signed-off-by: Łukasz Stelmach <l.stelmach@...sung.com>
---
 .../bindings/rng/samsung,exynos5250-trng.txt    | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/rng/samsung,exynos5250-trng.txt

diff --git a/Documentation/devicetree/bindings/rng/samsung,exynos5250-trng.txt b/Documentation/devicetree/bindings/rng/samsung,exynos5250-trng.txt
new file mode 100644
index 000000000000..5a613a4ec780
--- /dev/null
+++ b/Documentation/devicetree/bindings/rng/samsung,exynos5250-trng.txt
@@ -0,0 +1,17 @@
+Exynos True Random Number Generator
+
+Required properties:
+
+- compatible  : Should be "samsung,exynos5250-trng".
+- reg         : Specifies base physical address and size of the registers map.
+- clocks      : Phandle to clock-controller plus clock-specifier pair.
+- clock-names : "secss" as a clock name.
+
+Example:
+
+	rng@...30600 {
+		compatible = "samsung,exynos5250-trng";
+		reg = <0x10830600 0x100>;
+		clocks = <&clock CLK_SSS>;
+		clock-names = "secss";
+	};
-- 
2.19.0