[PATCH 1/2] dt-bindings: reset: document Broadcom's PMC binding

["Rafał Miłecki" <zajec5@gmail.com>]

From: Rafał Miłecki <rafal@milecki.pl>

Broadcom's PMC is Power Management Controller that is used for disabling
and enabling SoC devices.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
---
 .../bindings/reset/brcm,bcm-pmc.yaml          | 69 +++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/reset/brcm,bcm-pmc.yaml

diff --git a/Documentation/devicetree/bindings/reset/brcm,bcm-pmc.yaml b/Documentation/devicetree/bindings/reset/brcm,bcm-pmc.yaml
new file mode 100644
index 000000000000..2afc2048997f
--- /dev/null
+++ b/Documentation/devicetree/bindings/reset/brcm,bcm-pmc.yaml
@@ -0,0 +1,69 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/reset/brcm,bcm-pmc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Broadcom PMC (Power Management Controller) reset controller
+
+description: This document describes the Broadcom's PMC (Power Management
+  Controller). It supports resetting devices identified by the bus id and device
+  address.
+
+maintainers:
+  - Rafał Miłecki <rafal@milecki.pl>
+
+properties:
+  compatible:
+    enum:
+      - brcm,bcm4908-pmc # PMC on BCM4908 and compatible SoCs
+
+  reg:
+    maxItems: 1
+
+  syscon-misc:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description:
+      Phandle to the MISC system controller node.
+
+  syscon-procmon:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description:
+      Phandle to the PROC MON system controller node.
+
+  big-endian:
+    $ref: /schemas/types.yaml#/definitions/flag
+    description:
+      Flag to use for block working in big endian mode.
+
+  "#reset-cells":
+    const: 2
+
+required:
+  - compatible
+  - reg
+  - syscon-misc
+  - syscon-procmon
+  - "#reset-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    pmc: reset-controller@80200000 {
+        compatible = "brcm,bcm4908-pmc";
+        reg = <0x80200000 0x5000>;
+        syscon-misc = <&misc>;
+        syscon-procmon = <&procmon>;
+        #reset-cells = <2>;
+    };
+
+    procmon: syscon@80280000 {
+        compatible = "brcm,misc", "syscon";
+        reg = <0x80280000 0x1000>;
+    };
+
+    misc: syscon@ff802600 {
+        compatible = "brcm,misc", "syscon";
+        reg = <0xff802600 0xe4>;
+    };
-- 
2.27.0