linux-kernel - [PATCH v5.1 RESEND] dt-bindings: hwrng: Add Samsung Exynos 5250+ True RNG bindings

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Message-Id: <20190111132139.12333-1-l.stelmach@samsung.com>
Date:   Fri, 11 Jan 2019 14:21:39 +0100
From:   Łukasz Stelmach <l.stelmach@...sung.com>
To:     Rob Herring <robh+dt@...nel.org>
Cc:     Łukasz Stelmach <l.stelmach@...sung.com>,
        Joe Perches <joe@...ches.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        linux-samsung-soc@...r.kernel.org, devicetree@...r.kernel.org,
        Otto Sabart <ottosabart@...erm.com>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>
Subject: [PATCH v5.1 RESEND] 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.

Acked-by: Rob Herring <robh@...nel.org>
Reviewed-by: Krzysztof Kozlowski <krzk@...nel.org>
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";
+	};
-- 
2.20.1