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From:   Benjamin Gaignard <benjamin.gaignard@st.com>
To:     <mpm@selenic.com>, <herbert@gondor.apana.org.au>,
        <robh+dt@kernel.org>, <mark.rutland@arm.com>,
        <alexandre.torgue@st.com>, <lionel.debieve@st.com>
CC:     <linux-crypto@vger.kernel.org>, <devicetree@vger.kernel.org>,
        <linux-stm32@st-md-mailman.stormreply.com>,
        <linux-arm-kernel@lists.infradead.org>,
        <linux-kernel@vger.kernel.org>,
        Benjamin Gaignard <benjamin.gaignard@st.com>
Subject: [PATCH] dt-bindings: rng: Convert stm32 RNG bindings to json-schema
Date:   Fri, 15 Nov 2019 11:08:54 +0100
Message-ID: <20191115100854.17938-1-benjamin.gaignard@st.com>
MIME-Version: 1.0
Content-Type: text/plain
Sender: linux-crypto-owner@vger.kernel.org
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Convert the STM32 RNG binding to DT schema format using json-schema
Remove interrupt from the json-schema because it is not used by the driver.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@st.com>
---
 .../devicetree/bindings/rng/st,stm32-rng.txt       | 25 -----------
 .../devicetree/bindings/rng/st,stm32-rng.yaml      | 48 ++++++++++++++++++++++
 2 files changed, 48 insertions(+), 25 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/rng/st,stm32-rng.txt
 create mode 100644 Documentation/devicetree/bindings/rng/st,stm32-rng.yaml

diff --git a/Documentation/devicetree/bindings/rng/st,stm32-rng.txt b/Documentation/devicetree/bindings/rng/st,stm32-rng.txt
deleted file mode 100644
index 1dfa7d51e006..000000000000
--- a/Documentation/devicetree/bindings/rng/st,stm32-rng.txt
+++ /dev/null
@@ -1,25 +0,0 @@
-STMicroelectronics STM32 HW RNG
-===============================
-
-The STM32 hardware random number generator is a simple fixed purpose IP and
-is fully separated from other crypto functions.
-
-Required properties:
-
-- compatible : Should be "st,stm32-rng"
-- reg : Should be register base and length as documented in the datasheet
-- interrupts : The designated IRQ line for the RNG
-- clocks : The clock needed to enable the RNG
-
-Optional properties:
-- resets : The reset to properly start RNG
-- clock-error-detect : Enable the clock detection management
-
-Example:
-
-	rng: rng@50060800 {
-		compatible = "st,stm32-rng";
-		reg = <0x50060800 0x400>;
-		interrupts = <80>;
-		clocks = <&rcc 0 38>;
-	};
diff --git a/Documentation/devicetree/bindings/rng/st,stm32-rng.yaml b/Documentation/devicetree/bindings/rng/st,stm32-rng.yaml
new file mode 100644
index 000000000000..82bb2e97e889
--- /dev/null
+++ b/Documentation/devicetree/bindings/rng/st,stm32-rng.yaml
@@ -0,0 +1,48 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/rng/st,stm32-rng.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: STMicroelectronics STM32 RNG bindings
+
+description: |
+  The STM32 hardware random number generator is a simple fixed purpose
+  IP and is fully separated from other crypto functions.
+
+maintainers:
+  - Lionel Debieve <lionel.debieve@st.com>
+
+properties:
+  compatible:
+    const: st,stm32-rng
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  resets:
+    maxItems: 1
+
+  clock-error-detect:
+    description: If set enable the clock detection management
+
+required:
+  - compatible
+  - reg
+  - clocks
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/stm32mp1-clks.h>
+    rng@54003000 {
+      compatible = "st,stm32-rng";
+      reg = <0x54003000 0x400>;
+      clocks = <&rcc RNG1_K>;
+    };
+
+...
-- 
2.15.0