linux-kernel - [PATCH RFT 2/5] dt-bindings: crypto: add support for rockchip,crypto-rk3588

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Message-Id: <20220927080048.3151911-3-clabbe@baylibre.com>
Date:   Tue, 27 Sep 2022 08:00:45 +0000
From:   Corentin Labbe <clabbe@...libre.com>
To:     heiko@...ech.de, davem@...emloft.net, herbert@...dor.apana.org.au,
        krzysztof.kozlowski+dt@...aro.org, robh+dt@...nel.org
Cc:     devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-rockchip@...ts.infradead.org,
        Corentin Labbe <clabbe@...libre.com>
Subject: [PATCH RFT 2/5] dt-bindings: crypto: add support for rockchip,crypto-rk3588

Add device tree binding documentation for the Rockchip cryptographic
offloader V2.

Signed-off-by: Corentin Labbe <clabbe@...libre.com>
---
 .../crypto/rockchip,rk3588-crypto.yaml        | 71 +++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/crypto/rockchip,rk3588-crypto.yaml

diff --git a/Documentation/devicetree/bindings/crypto/rockchip,rk3588-crypto.yaml b/Documentation/devicetree/bindings/crypto/rockchip,rk3588-crypto.yaml
new file mode 100644
index 000000000000..aa01c3c681f4
--- /dev/null
+++ b/Documentation/devicetree/bindings/crypto/rockchip,rk3588-crypto.yaml
@@ -0,0 +1,71 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/crypto/rockchip,rk3588-crypto.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Rockchip cryptographic offloader V2
+
+maintainers:
+  - Corentin Labbe <clabbe@...libre.com>
+
+properties:
+  compatible:
+    enum:
+      - rockchip,rk3568-crypto
+      - rockchip,rk3588-crypto
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    minItems: 4
+
+  clock-names:
+    items:
+      - const: aclk
+      - const: hclk
+      - const: sclk
+      - const: pka
+
+  resets:
+    minItems: 5
+
+  reset-names:
+    items:
+      - const: core
+      - const: a
+      - const: h
+      - const: rng
+      - const: pka
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - clock-names
+  - resets
+  - reset-names
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/clock/rk3568-cru.h>
+    crypto@...80000 {
+      compatible = "rockchip,rk3588-crypto";
+      reg = <0xfe380000 0x4000>;
+      interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>;
+      clocks = <&cru ACLK_CRYPTO_NS>, <&cru HCLK_CRYPTO_NS>,
+               <&cru CLK_CRYPTO_NS_CORE>, <&cru CLK_CRYPTO_NS_PKA>;
+      clock-names = "aclk", "hclk", "sclk", "pka";
+      resets = <&cru SRST_CRYPTO_NS_CORE>, <&cru SRST_A_CRYPTO_NS>,
+               <&cru SRST_H_CRYPTO_NS>, <&cru SRST_CRYPTO_NS_RNG>,
+               <&cru SRST_CRYPTO_NS_PKA>;
+      reset-names = "core", "a", "h", "rng", "pka";
+    };
-- 
2.35.1