linux-kernel - [PATCH v6 1/3] dt-bindings: rng: bcm2835: add clock constraints

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Message-Id: <20210305070132.2986-2-noltari@gmail.com>
Date:   Fri,  5 Mar 2021 08:01:30 +0100
From:   Álvaro Fernández Rojas 
        <noltari@...il.com>
To:     Matt Mackall <mpm@...enic.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Rob Herring <robh+dt@...nel.org>,
        Nicolas Saenz Julienne <nsaenzjulienne@...e.de>,
        Florian Fainelli <f.fainelli@...il.com>,
        Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>,
        bcm-kernel-feedback-list@...adcom.com,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Álvaro Fernández Rojas 
        <noltari@...il.com>, Lee Jones <lee.jones@...aro.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Alexandru Ardelean <alexandru.ardelean@...log.com>,
        Rikard Falkeborn <rikard.falkeborn@...il.com>,
        Tian Tao <tiantao6@...ilicon.com>,
        Stefan Wahren <stefan.wahren@...e.com>,
        linux-crypto@...r.kernel.org, devicetree@...r.kernel.org,
        linux-rpi-kernel@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v6 1/3] dt-bindings: rng: bcm2835: add clock constraints

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

Signed-off-by: Álvaro Fernández Rojas <noltari@...il.com>
---
 v6: add new patch making clocks mandatory for BCM6368.

 .../devicetree/bindings/rng/brcm,bcm2835.yaml          | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Documentation/devicetree/bindings/rng/brcm,bcm2835.yaml b/Documentation/devicetree/bindings/rng/brcm,bcm2835.yaml
index c147900f9041..5174492e22f3 100644
--- a/Documentation/devicetree/bindings/rng/brcm,bcm2835.yaml
+++ b/Documentation/devicetree/bindings/rng/brcm,bcm2835.yaml
@@ -35,6 +35,16 @@ required:
   - compatible
   - reg
 
+if:
+  properties:
+    compatible:
+      enum:
+        - brcm,bcm6368-rng
+then:
+  required:
+    - clocks
+    - clock-names
+
 additionalProperties: false
 
 examples:
-- 
2.20.1