Merge tag 'arm-soc/for-5.11/devicetree-arm64' of https://github.com/Broadcom/stblinux into arm/dt

This pull request contains Broadcom ARM64-based SoCs Device Tree changes
for 5.11, please pull the following:

- Rafal adds initial support for the Broadcom 4908 which are SoCs used
  in home routers and are based on the DSL architecture and using
  Broadcom Brahma-B53 CPUs.

* tag 'arm-soc/for-5.11/devicetree-arm64' of https://github.com/Broadcom/stblinux:
  arm64: add config for Broadcom BCM4908 SoCs
  arm64: dts: broadcom: add BCM4908 and Asus GT-AC5300 early DTS files
  dt-bindings: arm: bcm: document BCM4908 bindings

Link: https://lore.kernel.org/r/20201128163410.1691529-4-f.fainelli@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

1 files changed, 38 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/arm/bcm/brcm,bcm4908.yaml b/Documentation/devicetree/bindings/arm/bcm/brcm,bcm4908.yaml
new file mode 100644
index 000000000000..5fec063d9a13
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/bcm/brcm,bcm4908.yaml
@@ -0,0 +1,38 @@
+# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/arm/bcm/brcm,bcm4908.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Broadcom BCM4908 device tree bindings
+
+description:
+  Broadcom BCM4906 / BCM4908 / BCM49408 Wi-Fi/network SoCs with Brahma CPUs.
+
+maintainers:
+  - Rafał Miłecki <rafal@milecki.pl>
+
+properties:
+  $nodename:
+    const: '/'
+  compatible:
+    oneOf:
+      - description: BCM4906 based boards
+        items:
+          - const: brcm,bcm4906
+          - const: brcm,bcm4908
+
+      - description: BCM4908 based boards
+        items:
+          - enum:
+              - asus,gt-ac5300
+          - const: brcm,bcm4908
+
+      - description: BCM49408 based boards
+        items:
+          - const: brcm,bcm49408
+          - const: brcm,bcm4908
+
+additionalProperties: true
+
+...