From: Álvaro Fernández Rojas <noltari@gmail.com>
Date: Fri, 5 Mar 2021 07:01:31 +0000 (+0100)
Subject: dt-bindings: rng: bcm2835: document reset support
X-Git-Tag: v5.15~1342^2~132
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=381345820db55bf8e7289de047c24c00a2e3690d;p=platform%2Fkernel%2Flinux-starfive.git

dt-bindings: rng: bcm2835: document reset support

brcm,bcm6368-rng controllers require resetting the IPSEC clock in order to get
a functional RNG.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---

diff --git a/Documentation/devicetree/bindings/rng/brcm,bcm2835.yaml b/Documentation/devicetree/bindings/rng/brcm,bcm2835.yaml
index 5174492e22f3..6da674666d45 100644
--- a/Documentation/devicetree/bindings/rng/brcm,bcm2835.yaml
+++ b/Documentation/devicetree/bindings/rng/brcm,bcm2835.yaml
@@ -28,6 +28,12 @@ properties:
   clock-names:
     const: ipsec
 
+  resets:
+    maxItems: 1
+
+  reset-names:
+    const: ipsec
+
   interrupts:
     maxItems: 1
 
@@ -44,6 +50,8 @@ then:
   required:
     - clocks
     - clock-names
+    - resets
+    - reset-names
 
 additionalProperties: false
 
@@ -68,4 +76,7 @@ examples:
 
         clocks = <&periph_clk 18>;
         clock-names = "ipsec";
+
+        resets = <&periph_rst 4>;
+        reset-names = "ipsec";
     };