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From 381345820db55bf8e7289de047c24c00a2e3690d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com>
Date: Fri, 5 Mar 2021 08:01:31 +0100
Subject: [PATCH 2/3] dt-bindings: rng: bcm2835: document reset support
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
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>
---
.../devicetree/bindings/rng/brcm,bcm2835.yaml | 11 +++++++++++
1 file changed, 11 insertions(+)
--- 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";
};
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