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

Commit Message

Neal Liu May 8, 2019, 3:58 a.m. UTC

From: Neal Liu <[e-mail]>

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

Signed-off-by: Neal Liu <[e-mail]>
---
 Documentation/devicetree/bindings/rng/mtk-rng.txt |   13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

Patch

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@1020f000 {
 	clocks = <&infracfg CLK_INFRA_TRNG>;
 	clock-names = "rng";
 };
+
+hwrng: hwrng {
+	compatible = "mediatek,mt67xx-rng";
+};