[PATCH robh dt/next] dt-bindings: mfd: add Broadcom CRU
Rafał Miłecki
zajec5 at gmail.com
Thu Apr 15 07:28:39 BST 2021
From: Rafał Miłecki <rafal at milecki.pl>
CRU is a block used in e.g. Northstar devices. It can be seen in the
bcm5301x.dtsi and this binding documents its proper usage.
Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
---
This is reworked version of the
[PATCH robh next] dt-bindings: bus: add Broadcom CRU
https://patchwork.ozlabs.org/project/devicetree-bindings/patch/20210309142241.16259-1-zajec5@gmail.com/
---
.../devicetree/bindings/mfd/brcm,cru.yaml | 46 +++++++++++++++++++
1 file changed, 46 insertions(+)
create mode 100644 Documentation/devicetree/bindings/mfd/brcm,cru.yaml
diff --git a/Documentation/devicetree/bindings/mfd/brcm,cru.yaml b/Documentation/devicetree/bindings/mfd/brcm,cru.yaml
new file mode 100644
index 000000000000..f5bce6453c33
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/brcm,cru.yaml
@@ -0,0 +1,46 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mfd/brcm,cru.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Broadcom CRU
+
+maintainers:
+ - Rafał Miłecki <rafal at milecki.pl>
+
+description: |
+ Broadcom CRU ("Clock and Reset Unit" or "Central Resource Unit") is a hardware
+ block grouping smaller blocks. On Broadcom Northstar platform it contains e.g.
+ clocks, pinctrl, USB PHY and thermal.
+
+properties:
+ compatible:
+ items:
+ - enum:
+ - brcm,ns-cru
+ - const: simple-mfd
+
+ reg:
+ description: CRU registers
+
+ "#address-cells":
+ const: 1
+
+ "#size-cells":
+ const: 1
+
+additionalProperties: true
+
+required:
+ - reg
+
+examples:
+ - |
+ cru-bus at 1800c100 {
+ compatible = "brcm,ns-cru", "simple-mfd";
+ reg = <0x1800c100 0x1d0>;
+ ranges;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ };
--
2.26.2
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