From: "Álvaro Fernández Rojas" <noltari@gmail.com>
To: "Matt Mackall" <mpm@selenic.com>,
"Herbert Xu" <herbert@gondor.apana.org.au>,
"Rob Herring" <robh+dt@kernel.org>,
"Nicolas Saenz Julienne" <nsaenzjulienne@suse.de>,
"Florian Fainelli" <f.fainelli@gmail.com>,
"Ray Jui" <rjui@broadcom.com>,
"Scott Branden" <sbranden@broadcom.com>,
bcm-kernel-feedback-list@broadcom.com,
"Philipp Zabel" <p.zabel@pengutronix.de>,
"Álvaro Fernández Rojas" <noltari@gmail.com>,
"Lee Jones" <lee.jones@linaro.org>,
"Bjorn Andersson" <bjorn.andersson@linaro.org>,
"Alexandru Ardelean" <alexandru.ardelean@analog.com>,
"Rikard Falkeborn" <rikard.falkeborn@gmail.com>,
"Tian Tao" <tiantao6@hisilicon.com>,
"Stefan Wahren" <stefan.wahren@i2se.com>,
linux-crypto@vger.kernel.org, devicetree@vger.kernel.org,
linux-rpi-kernel@lists.infradead.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: [PATCH v6 2/3] dt-bindings: rng: bcm2835: document reset support
Date: Fri, 5 Mar 2021 08:01:31 +0100 [thread overview]
Message-ID: <20210305070132.2986-3-noltari@gmail.com> (raw)
In-Reply-To: <20210305070132.2986-1-noltari@gmail.com>
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>
---
v6: fix dt-bindings warnings.
v5: no changes.
v4: pass dt_binding_check.
v3: make resets required if brcm,bcm6368-rng.
v2: document reset support.
.../devicetree/bindings/rng/brcm,bcm2835.yaml | 11 +++++++++++
1 file changed, 11 insertions(+)
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";
};
--
2.20.1
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next prev parent reply other threads:[~2021-03-05 7:03 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-05 7:01 [PATCH v6 0/3] hwrng: bcm2835: add reset support Álvaro Fernández Rojas
2021-03-05 7:01 ` [PATCH v6 1/3] dt-bindings: rng: bcm2835: add clock constraints Álvaro Fernández Rojas
2021-03-08 21:52 ` Rob Herring
2021-03-08 22:02 ` Florian Fainelli
2021-03-05 7:01 ` Álvaro Fernández Rojas [this message]
2021-03-08 21:53 ` [PATCH v6 2/3] dt-bindings: rng: bcm2835: document reset support Rob Herring
2021-03-08 22:02 ` Florian Fainelli
2021-03-05 7:01 ` [PATCH v6 3/3] hwrng: bcm2835: add " Álvaro Fernández Rojas
2021-03-05 8:07 ` Philipp Zabel
2021-03-08 22:00 ` Florian Fainelli
2021-03-12 13:14 ` [PATCH v6 0/3] " Herbert Xu
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