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Message-ID: <20220818035956.1160585-5-neal_liu@aspeedtech.com>
Date: Thu, 18 Aug 2022 11:59:55 +0800
From: Neal Liu <neal_liu@...eedtech.com>
To: Corentin Labbe <clabbe.montjoie@...il.com>,
Christophe JAILLET <christophe.jaillet@...adoo.fr>,
Randy Dunlap <rdunlap@...radead.org>,
Herbert Xu <herbert@...dor.apana.org.au>,
"David S . Miller" <davem@...emloft.net>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Joel Stanley <joel@....id.au>,
"Andrew Jeffery" <andrew@...id.au>,
Dhananjay Phadke <dhphadke@...rosoft.com>,
"Johnny Huang" <johnny_huang@...eedtech.com>
CC: <linux-aspeed@...ts.ozlabs.org>, <linux-crypto@...r.kernel.org>,
<devicetree@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>, <BMC-SW@...eedtech.com>,
Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH v10 4/5] dt-bindings: crypto: add documentation for aspeed hace
Add device tree binding documentation for the Aspeed Hash
and Crypto Engines (HACE) Controller.
Signed-off-by: Neal Liu <neal_liu@...eedtech.com>
Signed-off-by: Johnny Huang <johnny_huang@...eedtech.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
.../bindings/crypto/aspeed,ast2500-hace.yaml | 53 +++++++++++++++++++
1 file changed, 53 insertions(+)
create mode 100644 Documentation/devicetree/bindings/crypto/aspeed,ast2500-hace.yaml
diff --git a/Documentation/devicetree/bindings/crypto/aspeed,ast2500-hace.yaml b/Documentation/devicetree/bindings/crypto/aspeed,ast2500-hace.yaml
new file mode 100644
index 000000000000..a772d232de09
--- /dev/null
+++ b/Documentation/devicetree/bindings/crypto/aspeed,ast2500-hace.yaml
@@ -0,0 +1,53 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/crypto/aspeed,ast2500-hace.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ASPEED HACE hash and crypto Hardware Accelerator Engines
+
+maintainers:
+ - Neal Liu <neal_liu@...eedtech.com>
+
+description: |
+ The Hash and Crypto Engine (HACE) is designed to accelerate the throughput
+ of hash data digest, encryption, and decryption. Basically, HACE can be
+ divided into two independently engines - Hash Engine and Crypto Engine.
+
+properties:
+ compatible:
+ enum:
+ - aspeed,ast2500-hace
+ - aspeed,ast2600-hace
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ resets:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - interrupts
+ - resets
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/ast2600-clock.h>
+ hace: crypto@...d0000 {
+ compatible = "aspeed,ast2600-hace";
+ reg = <0x1e6d0000 0x200>;
+ interrupts = <4>;
+ clocks = <&syscon ASPEED_CLK_GATE_YCLK>;
+ resets = <&syscon ASPEED_RESET_HACE>;
+ };
--
2.25.1
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