[PATCH 1/2] dt-bindings: reset: document Broadcom's BCM4908 PCIe reset binding

[Rafał Miłecki]

From: Rafał Miłecki <rafal@xxxxxxxxxx>

BCM4908 was built using older PCIe hardware block that requires using
external reset block controlling PERST# signals.

Signed-off-by: Rafał Miłecki <rafal@xxxxxxxxxx>
---
 .../reset/brcm,bcm4908-misc-pcie-reset.yaml   | 39 +++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/reset/brcm,bcm4908-misc-pcie-reset.yaml

diff --git a/Documentation/devicetree/bindings/reset/brcm,bcm4908-misc-pcie-reset.yaml b/Documentation/devicetree/bindings/reset/brcm,bcm4908-misc-pcie-reset.yaml
new file mode 100644
index 000000000000..88aebb370838
--- /dev/null
+++ b/Documentation/devicetree/bindings/reset/brcm,bcm4908-misc-pcie-reset.yaml
@@ -0,0 +1,39 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/reset/brcm,bcm4908-misc-pcie-reset.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Broadcom MISC block PCIe reset controller
+
+description: This document describes reset controller handling PCIe PERST#
+  signals. On BCM4908 it's a part of the MISC block.
+
+maintainers:
+  - Rafał Miłecki <rafal@xxxxxxxxxx>
+
+properties:
+  compatible:
+    const: brcm,bcm4908-misc-pcie-reset
+
+  reg:
+    maxItems: 1
+
+  "#reset-cells":
+    description: PCIe core id
+    const: 1
+
+required:
+  - compatible
+  - reg
+  - "#reset-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    reset-controller@ff802644 {
+        compatible = "brcm,bcm4908-misc-pcie-reset";
+        reg = <0xff802644 0x04>;
+        #reset-cells = <1>;
+    };
-- 
2.26.2