linux-kernel - [PATCH 3/9] dt-bindings: crypto: Add DT bindings documentation for sun8i-ce Crypto Engine

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Message-Id: <20190906184551.17858-4-clabbe.montjoie@gmail.com>
Date:   Fri,  6 Sep 2019 20:45:45 +0200
From:   Corentin Labbe <clabbe.montjoie@...il.com>
To:     davem@...emloft.net, herbert@...dor.apana.org.au,
        linux@...linux.org.uk, mark.rutland@....com, mripard@...nel.org,
        robh+dt@...nel.org, wens@...e.org
Cc:     devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-sunxi@...glegroups.com,
        Corentin Labbe <clabbe.montjoie@...il.com>
Subject: [PATCH 3/9] dt-bindings: crypto: Add DT bindings documentation for sun8i-ce Crypto Engine

This patch adds documentation for Device-Tree bindings for the
Crypto Engine cryptographic accelerator driver.

Signed-off-by: Corentin Labbe <clabbe.montjoie@...il.com>
---
 .../bindings/crypto/allwinner,sun8i-ce.yaml   | 84 +++++++++++++++++++
 1 file changed, 84 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/crypto/allwinner,sun8i-ce.yaml

diff --git a/Documentation/devicetree/bindings/crypto/allwinner,sun8i-ce.yaml b/Documentation/devicetree/bindings/crypto/allwinner,sun8i-ce.yaml
new file mode 100644
index 000000000000..bd8ccedd6059
--- /dev/null
+++ b/Documentation/devicetree/bindings/crypto/allwinner,sun8i-ce.yaml
@@ -0,0 +1,84 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/crypto/allwinner,sun8i-ce.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Allwinner Crypto Engine driver
+
+maintainers:
+  - Corentin Labbe <clabbe@...libre.com>
+
+properties:
+  compatible:
+    oneOf:
+      - const: allwinner,sun8i-h3-crypto
+      - const: allwinner,sun8i-r40-crypto
+      - const: allwinner,sun50i-a64-crypto
+      - const: allwinner,sun50i-h5-crypto
+      - const: allwinner,sun50i-h6-crypto
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+if:
+  properties:
+    compatible:
+      contains:
+        const: allwinner,sun50i-h6-crypto
+then:
+  clocks:
+    items:
+      - description: Bus clock
+      - description: Module clock
+      - description: MBus clock
+
+  clock-names:
+    items:
+      - const: ahb
+      - const: mod
+      - const: mbus
+else:
+  clocks:
+    items:
+      - description: Bus clock
+      - description: Module clock
+
+  clock-names:
+    items:
+      - const: ahb
+      - const: mod
+
+  resets:
+    maxItems: 1
+
+  reset-names:
+    const: ahb
+
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - clock-names
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/clock/sun50i-a64-ccu.h>
+    #include <dt-bindings/reset/sun50i-a64-ccu.h>
+
+    crypto: crypto@...5000 {
+      compatible = "allwinner,sun8i-h3-crypto";
+      reg = <0x01c15000 0x1000>;
+      interrupts = <GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH>;
+      clocks = <&ccu CLK_BUS_CE>, <&ccu CLK_CE>;
+      clock-names = "ahb", "mod";
+      resets = <&ccu RST_BUS_CE>;
+      reset-names = "ahb";
+    };
+
-- 
2.21.0