linux-kernel - [PATCH v2] dt-bindings: rng: Convert BCM2835 to DT schema

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Message-ID: <20200222200037.3203931-1-nfraprado@protonmail.com>
Date:   Sat, 22 Feb 2020 20:00:59 +0000
From:   Nícolas F. R. A. Prado 
        <nfraprado@...tonmail.com>
To:     devicetree@...r.kernel.org
Cc:     Matt Mackall <mpm@...enic.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        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,
        linux-crypto@...r.kernel.org, linux-rpi-kernel@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        lkcamp@...ts.libreplanetbr.org
Subject: [PATCH v2] dt-bindings: rng: Convert BCM2835 to DT schema

Convert BCM2835/6368 Random number generator bindings to DT schema.

Signed-off-by: Nícolas F. R. A. Prado <nfraprado@...tonmail.com>
---

Changes in v2:
- Remove description for common properties
- Drop label from example

This patch was tested with:
make ARCH=arm dt_binding_check
make ARCH=arm DT_SCHEMA_FILES=Documentation/devicetree/bindings/rng/brcm,bcm2835.yaml dtbs_check

Thanks,
Nícolas

 .../devicetree/bindings/rng/brcm,bcm2835.txt  | 40 -------------
 .../devicetree/bindings/rng/brcm,bcm2835.yaml | 59 +++++++++++++++++++
 2 files changed, 59 insertions(+), 40 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/rng/brcm,bcm2835.txt
 create mode 100644 Documentation/devicetree/bindings/rng/brcm,bcm2835.yaml

diff --git a/Documentation/devicetree/bindings/rng/brcm,bcm2835.txt b/Documentation/devicetree/bindings/rng/brcm,bcm2835.txt
deleted file mode 100644
index aaac7975f61c..000000000000
--- a/Documentation/devicetree/bindings/rng/brcm,bcm2835.txt
+++ /dev/null
@@ -1,40 +0,0 @@
-BCM2835/6368 Random number generator
-
-Required properties:
-
-- compatible : should be one of
-	"brcm,bcm2835-rng"
-	"brcm,bcm-nsp-rng"
-	"brcm,bcm5301x-rng" or
-	"brcm,bcm6368-rng"
-- reg : Specifies base physical address and size of the registers.
-
-Optional properties:
-
-- clocks : phandle to clock-controller plus clock-specifier pair
-- clock-names : "ipsec" as a clock name
-
-Optional properties:
-
-- interrupts: specify the interrupt for the RNG block
-
-Example:
-
-rng {
-	compatible = "brcm,bcm2835-rng";
-	reg = <0x7e104000 0x10>;
-	interrupts = <2 29>;
-};
-
-rng@...33000 {
-	compatible = "brcm,bcm-nsp-rng";
-	reg = <0x18033000 0x14>;
-};
-
-random: rng@...04180 {
-	compatible = "brcm,bcm6368-rng";
-	reg = <0x10004180 0x14>;
-
-	clocks = <&periph_clk 18>;
-	clock-names = "ipsec";
-};
diff --git a/Documentation/devicetree/bindings/rng/brcm,bcm2835.yaml b/Documentation/devicetree/bindings/rng/brcm,bcm2835.yaml
new file mode 100644
index 000000000000..42d9a38e4e1a
--- /dev/null
+++ b/Documentation/devicetree/bindings/rng/brcm,bcm2835.yaml
@@ -0,0 +1,59 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/rng/brcm,bcm2835.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: BCM2835/6368 Random number generator
+
+maintainers:
+  - Stefan Wahren <stefan.wahren@...e.com>
+  - Florian Fainelli <f.fainelli@...il.com>
+  - Herbert Xu <herbert@...dor.apana.org.au>
+
+properties:
+  compatible:
+    enum:
+      - brcm,bcm2835-rng
+      - brcm,bcm-nsp-rng
+      - brcm,bcm5301x-rng
+      - brcm,bcm6368-rng
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    const: ipsec
+
+  interrupts:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+examples:
+  - |
+    rng {
+        compatible = "brcm,bcm2835-rng";
+        reg = <0x7e104000 0x10>;
+        interrupts = <2 29>;
+    };
+
+  - |
+    rng@...33000 {
+        compatible = "brcm,bcm-nsp-rng";
+        reg = <0x18033000 0x14>;
+    };
+
+  - |
+    rng@...04180 {
+        compatible = "brcm,bcm6368-rng";
+        reg = <0x10004180 0x14>;
+
+        clocks = <&periph_clk 18>;
+        clock-names = "ipsec";
+    };
-- 
2.25.0