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From:   Benjamin Gaignard <benjamin.gaignard@st.com>
To:     <herbert@gondor.apana.org.au>, <davem@davemloft.net>,
        <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: crypto: Convert stm32 HASH bindings to json-schema
Date:   Fri, 8 Nov 2019 13:52:44 +0100
Message-ID: <20191108125244.23001-3-benjamin.gaignard@st.com>
In-Reply-To: <20191108125244.23001-1-benjamin.gaignard@st.com>
References: <20191108125244.23001-1-benjamin.gaignard@st.com>
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Convert the STM32 HASH binding to DT schema format using json-schema

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@st.com>
---
 .../devicetree/bindings/crypto/st,stm32-hash.txt   | 30 ----------
 .../devicetree/bindings/crypto/st,stm32-hash.yaml  | 64 ++++++++++++++++++++++
 2 files changed, 64 insertions(+), 30 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/crypto/st,stm32-hash.txt
 create mode 100644 Documentation/devicetree/bindings/crypto/st,stm32-hash.yaml

diff --git a/Documentation/devicetree/bindings/crypto/st,stm32-hash.txt b/Documentation/devicetree/bindings/crypto/st,stm32-hash.txt
deleted file mode 100644
index 04fc246f02f7..000000000000
--- a/Documentation/devicetree/bindings/crypto/st,stm32-hash.txt
+++ /dev/null
@@ -1,30 +0,0 @@
-* STMicroelectronics STM32 HASH
-
-Required properties:
-- compatible: Should contain entries for this and backward compatible
-  HASH versions:
-  - "st,stm32f456-hash" for stm32 F456.
-  - "st,stm32f756-hash" for stm32 F756.
-- reg: The address and length of the peripheral registers space
-- interrupts: the interrupt specifier for the HASH
-- clocks: The input clock of the HASH instance
-
-Optional properties:
-- resets: The input reset of the HASH instance
-- dmas: DMA specifiers for the HASH. See the DMA client binding,
-	 Documentation/devicetree/bindings/dma/dma.txt
-- dma-names: DMA request name. Should be "in" if a dma is present.
-- dma-maxburst: Set number of maximum dma burst supported
-
-Example:
-
-hash1: hash@50060400 {
-	compatible = "st,stm32f756-hash";
-	reg = <0x50060400 0x400>;
-	interrupts = <80>;
-	clocks = <&rcc 0 STM32F7_AHB2_CLOCK(HASH)>;
-	resets = <&rcc STM32F7_AHB2_RESET(HASH)>;
-	dmas = <&dma2 7 2 0x400 0x0>;
-	dma-names = "in";
-	dma-maxburst = <0>;
-};
diff --git a/Documentation/devicetree/bindings/crypto/st,stm32-hash.yaml b/Documentation/devicetree/bindings/crypto/st,stm32-hash.yaml
new file mode 100644
index 000000000000..3c09c9899021
--- /dev/null
+++ b/Documentation/devicetree/bindings/crypto/st,stm32-hash.yaml
@@ -0,0 +1,64 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/crypto/st,stm32-hash.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: STMicroelectronics STM32 HASH bindings
+
+maintainers:
+  - Lionel Debieve <lionel.debieve@st.com>
+
+properties:
+  compatible:
+    enum:
+      - st,stm32f456-hash
+      - st,stm32f756-hash
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  resets:
+    maxItems: 1
+
+  dmas:
+    maxItems: 1
+
+  dma-names:
+    items:
+      - const: in
+
+  dma-maxburst:
+    description: Set number of maximum dma burst supported
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - interrupts
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/clock/stm32mp1-clks.h>
+    #include <dt-bindings/reset/stm32mp1-resets.h>
+    hash@54002000 {
+      compatible = "st,stm32f756-hash";
+      reg = <0x54002000 0x400>;
+      interrupts = <GIC_SPI 80 IRQ_TYPE_LEVEL_HIGH>;
+      clocks = <&rcc HASH1>;
+      resets = <&rcc HASH1_R>;
+      dmas = <&mdma1 31 0x10 0x1000A02 0x0 0x0>;
+      dma-names = "in";
+      dma-maxburst = <2>;
+    };
+
+...
-- 
2.15.0