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Subject[PATCH 1/3] dt-bindings: pinctrl: support i.MX95 SCMI pinctrl
From: Peng Fan <peng.fan@nxp.com>

i.MX95 Pinctrl is managed by SCMI firmware using OEM extensions. This
patch is to add i.MX95 Pinctrl OEM extensions properties.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
.../bindings/pinctrl/nxp,imx95-pinctrl.yaml | 44 ++++++++++++++++++++++
1 file changed, 44 insertions(+)

diff --git a/Documentation/devicetree/bindings/pinctrl/nxp,imx95-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/nxp,imx95-pinctrl.yaml
new file mode 100644
index 000000000000..4bf7a6192813
--- /dev/null
+++ b/Documentation/devicetree/bindings/pinctrl/nxp,imx95-pinctrl.yaml
@@ -0,0 +1,44 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+# Copyright 2024 NXP
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pinctrl/nxp,imx95-pinctrl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: i.MX System Control and Management Interface (SCMI) Pinctrl Protocol
+
+maintainers:
+ - Peng Fan <peng.fan@arm.com>
+
+patternProperties:
+ '-pins$': false
+ 'grp$':
+ type: object
+
+ properties:
+ $nodename:
+ pattern: "^[0-9a-f]+$"
+
+ pins:
+ $ref: /schemas/types.yaml#/definitions/string
+ description: name of the pin
+
+ nxp,func-id:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: high impedance mode ("third-state", "floating")
+
+ nxp,pin-conf:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: latch weakly
+
+ nxp,daisy-id:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: pull up the pin. Takes as optional argument on hardware
+ supporting it the pull strength in Ohm.
+
+ nxp,daisy-conf:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: pull down the pin. Takes as optional argument on hardware
+ supporting it the pull strength in Ohm.
+
+additionalProperties: true
--
2.37.1


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