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Message-ID: <1558946326-13630-3-git-send-email-neal.liu@mediatek.com>
Date: Mon, 27 May 2019 16:38:45 +0800
From: Neal Liu <neal.liu@...iatek.com>
To: Matt Mackall <mpm@...enic.com>,
Herbert Xu <herbert@...dor.apana.org.au>,
Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Matthias Brugger <matthias.bgg@...il.com>,
Sean Wang <sean.wang@...nel.org>
CC: Neal Liu <neal.liu@...iatek.com>, <linux-crypto@...r.kernel.org>,
<devicetree@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-mediatek@...ts.infradead.org>,
lkml <linux-kernel@...r.kernel.org>, <wsd_upstream@...iatek.com>,
Crystal Guo <Crystal.Guo@...iatek.com>
Subject: [PATCH v2 2/3] dt-bindings: rng: update bindings for MediaTek ARMv8 SoCs
Document the binding used by the MediaTek ARMv8 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..1fb9b1d 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,mtk-sec-rng" for MediaTek 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,mtk-sec-rng";
+};
--
1.7.9.5
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