[PATCH v6 1/9] dt-bindings: mfd: Add TI-Nspire misc registers

Andrew Davis
2023-03-08T20:19:11Z

The TI Nspire devices contain a set of registers with a seemingly
miscellaneous set of functionality. This area is known simply as the
"misc" region.

Signed-off-by: Andrew Davis <afd@ti.com>
Reviewed-by: Rob Herring <robh@kernel.org>
---
.../bindings/mfd/ti,nspire-misc.yaml | 51 +++++++++++++++++++
1 file changed, 51 insertions(+)
create mode 100644 Documentation/devicetree/bindings/mfd/ti,nspire-misc.yaml

diff --git a/Documentation/devicetree/bindings/mfd/ti,nspire-misc.yaml b/Documentation/devicetree/bindings/mfd/ti,nspire-misc.yaml
new file mode 100644
index 000000000000..28cd5164d46f
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/ti,nspire-misc.yaml
@@ -0,0 +1,51 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright (C) 2022-2023 Texas Instruments Incorporated - https://www.ti.com/
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mfd/ti,nspire-misc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: TI Nspire MISC hardware block
+
+maintainers:
+ - Andrew Davis <afd@ti.com>
+
+description:
+ System controller node represents a register region containing a set
+ of miscellaneous registers. The registers are not cohesive enough to
+ represent as any specific type of device. Currently there is a reset
+ controller.
+
+properties:
+ compatible:
+ items:
+ - enum:
+ - ti,nspire-misc
+ - const: syscon
+ - const: simple-mfd
+
+ reg:
+ maxItems: 1
+
+ reboot:
+ $ref: /schemas/power/reset/syscon-reboot.yaml#
+
+required:
+ - compatible
+ - reg
+ - reboot
+
+additionalProperties: false
+
+examples:
+ - |
+ misc: misc@900a0000 {
+ compatible = "ti,nspire-misc", "syscon", "simple-mfd";
+ reg = <0x900a0000 0x1000>;
+
+ reboot {
+ compatible = "syscon-reboot";
+ offset = <0x08>;
+ value = <0x02>;
+ };
+ };
--
2.39.2