linux-kernel - [PATCH 1/5] dt-bindings: firmware: add i.MX SCMI Extension protocol

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Date: Fri, 02 Feb 2024 14:34:39 +0800
From: "Peng Fan (OSS)" <peng.fan@....nxp.com>
To: Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, 
 Conor Dooley <conor+dt@...nel.org>, Sudeep Holla <sudeep.holla@....com>, 
 Cristian Marussi <cristian.marussi@....com>, 
 Shawn Guo <shawnguo@...nel.org>, Sascha Hauer <s.hauer@...gutronix.de>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Fabio Estevam <festevam@...il.com>, NXP Linux Team <linux-imx@....com>
Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, Peng Fan <peng.fan@....com>
Subject: [PATCH 1/5] dt-bindings: firmware: add i.MX SCMI Extension
 protocol

From: Peng Fan <peng.fan@....com>

Add i.MX SCMI Extension protocol BBM and MISC binding.

Signed-off-by: Peng Fan <peng.fan@....com>
---
 .../devicetree/bindings/firmware/nxp,scmi.yaml     | 64 ++++++++++++++++++++++
 1 file changed, 64 insertions(+)

diff --git a/Documentation/devicetree/bindings/firmware/nxp,scmi.yaml b/Documentation/devicetree/bindings/firmware/nxp,scmi.yaml
new file mode 100644
index 000000000000..00d6361bbbea
--- /dev/null
+++ b/Documentation/devicetree/bindings/firmware/nxp,scmi.yaml
@@ -0,0 +1,64 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+# Copyright 2024 NXP
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/firmware/nxp,scmi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: i.MX System Control and Management Interface (SCMI) Protocol Extension
+
+maintainers:
+  - Peng Fan <peng.fan@....com>
+
+allOf:
+  - $ref: arm,scmi.yaml#
+
+properties:
+  protocol@11:
+    $ref: 'arm,scmi.yaml#/$defs/protocol-node'
+    unevaluatedProperties: false
+
+    properties:
+      reg:
+        const: 0x81
+
+  protocol@13:
+    $ref: 'arm,scmi.yaml#/$defs/protocol-node'
+    unevaluatedProperties: false
+
+    properties:
+      reg:
+        const: 0x84
+
+      wakeup-sources:
+        description: each entry consists of 2 integers and represents the source and edge
+        items:
+          items:
+            - description: the wakeup source
+            - description: the wakeup edge
+        $ref: /schemas/types.yaml#/definitions/uint32-matrix
+
+additionalProperties: false
+
+examples:
+  - |
+    firmware {
+        scmi {
+            #address-cells = <1>;
+            #size-cells = <0>;
+
+            protocol@81 {
+              reg = <0x81>;
+            };
+
+            protocol@84 {
+              reg = <0x84>;
+              wakeup-sources = <6 1
+                                7 1
+                                8 1
+                                9 1
+                                10 1>;
+            };
+         };
+    };
+...

-- 
2.37.1