target/linux/bmips/patches-5.10/053-dt-bindings-rng-bcm2835-document-reset-support.patch

   1 From 381345820db55bf8e7289de047c24c00a2e3690d Mon Sep 17 00:00:00 2001
   2 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com>
   3 Date: Fri, 5 Mar 2021 08:01:31 +0100
   4 Subject: [PATCH 2/3] dt-bindings: rng: bcm2835: document reset support
   5 MIME-Version: 1.0
   6 Content-Type: text/plain; charset=UTF-8
   7 Content-Transfer-Encoding: 8bit
   8
   9 brcm,bcm6368-rng controllers require resetting the IPSEC clock in order to get
  10 a functional RNG.
  11
  12 Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
  13 Reviewed-by: Rob Herring <robh@kernel.org>
  14 Acked-by: Florian Fainelli <f.fainelli@gmail.com>
  15 Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
  16 ---
  17  .../devicetree/bindings/rng/brcm,bcm2835.yaml         | 11 +++++++++++
  18  1 file changed, 11 insertions(+)
  19
  20 --- a/Documentation/devicetree/bindings/rng/brcm,bcm2835.yaml
  21 +++ b/Documentation/devicetree/bindings/rng/brcm,bcm2835.yaml
  22 @@ -28,6 +28,12 @@ properties:
  23    clock-names:
  24      const: ipsec
  25
  26 +  resets:
  27 +    maxItems: 1
  28 +
  29 +  reset-names:
  30 +    const: ipsec
  31 +
  32    interrupts:
  33      maxItems: 1
  34
  35 @@ -44,6 +50,8 @@ then:
  36    required:
  37      - clocks
  38      - clock-names
  39 +    - resets
  40 +    - reset-names
  41
  42  additionalProperties: false
  43
  44 @@ -68,4 +76,7 @@ examples:
  45
  46          clocks = <&periph_clk 18>;
  47          clock-names = "ipsec";
  48 +
  49 +        resets = <&periph_rst 4>;
  50 +        reset-names = "ipsec";
  51      };