linux-kernel - [PATCH 2/3] dt-bindings: rng: update bindings for MT67xx SoCs

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Message-ID: <1557287937-2410-3-git-send-email-neal.liu@mediatek.com>
Date:   Wed, 8 May 2019 11:58:56 +0800
From:   <neal.liu@...iatek.com>
To:     <mpm@...enic.com>, <herbert@...dor.apana.org.au>,
        <robh+dt@...nel.org>, <mark.rutland@....com>,
        <matthias.bgg@...il.com>
CC:     <wsd_upstream@...iatek.com>, <linux-crypto@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-mediatek@...ts.infradead.org>,
        Neal Liu <neal.liu@...iatek.com>
Subject: [PATCH 2/3] dt-bindings: rng: update bindings for MT67xx SoCs

From: Neal Liu <neal.liu@...iatek.com>

Document the binding used by the Mediatek MT67xx SoCs random
number generator with TrustZone enabled.

Signed-off-by: Neal Liu <neal.liu@...iatek.com>
---
 Documentation/devicetree/bindings/rng/mtk-rng.txt |   13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/rng/mtk-rng.txt b/Documentation/devicetree/bindings/rng/mtk-rng.txt
index 2bc89f1..5f40316 100644
--- a/Documentation/devicetree/bindings/rng/mtk-rng.txt
+++ b/Documentation/devicetree/bindings/rng/mtk-rng.txt
@@ -3,9 +3,12 @@ found in MediaTek SoC family
 
 Required properties:
 - compatible	    : Should be
-			"mediatek,mt7622-rng", 	"mediatek,mt7623-rng" : for MT7622
-			"mediatek,mt7629-rng",  "mediatek,mt7623-rng" : for MT7629
-			"mediatek,mt7623-rng" : for MT7623
+			"mediatek,mt7622-rng", "mediatek,mt7623-rng" for MT7622
+			"mediatek,mt7629-rng", "mediatek,mt7623-rng" for MT7629
+			"mediatek,mt7623-rng" for MT7623
+			"mediatek,mt67xx-rng" for MT67xx ARMv8 SoCs
+
+Optional properties:
 - clocks	    : list of clock specifiers, corresponding to
 		      entries in clock-names property;
 - clock-names	    : Should contain "rng" entries;
@@ -19,3 +22,7 @@ rng: rng@...0f000 {
 	clocks = <&infracfg CLK_INFRA_TRNG>;
 	clock-names = "rng";
 };
+
+hwrng: hwrng {
+	compatible = "mediatek,mt67xx-rng";
+};
-- 
1.7.9.5