Commit e0f94691 authored by Roger Quadros's avatar Roger Quadros Committed by Tero Kristo

dt-bindings: mfd: ti,j721e-system-controller.yaml: Add J721e system controller

Add DT binding schema for J721e system controller.
Signed-off-by: default avatarRoger Quadros <rogerq@ti.com>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarTero Kristo <t-kristo@ti.com>
parent 6e6972f9
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
# Copyright (C) 2020 Texas Instruments Incorporated - http://www.ti.com/
%YAML 1.2
---
$id: http://devicetree.org/schemas/mfd/ti,j721e-system-controller.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: TI J721e System Controller Registers R/W Device Tree Bindings
description: |
This represents the Control Module registers (CTRL_MMR0) on the SoC.
System controller node represents a register region containing a set
of miscellaneous registers. The registers are not cohesive enough to
represent as any specific type of device. The typical use-case is
for some other node's driver, or platform-specific code, to acquire
a reference to the syscon node (e.g. by phandle, node path, or
search using a specific compatible value), interrogate the node (or
associated OS driver) to determine the location of the registers,
and access the registers directly.
maintainers:
- Kishon Vijay Abraham I <kishon@ti.com>
- Roger Quadros <rogerq@ti.com
properties:
compatible:
anyOf:
- items:
- enum:
- ti,j721e-system-controller
- const: syscon
- const: simple-mfd
"#address-cells":
const: 1
"#size-cells":
const: 1
ranges: true
# Optional children
"^serdes-ln-ctrl@[0-9a-f]+$":
type: object
description: |
This is the SERDES lane control mux. It should follow the bindings
specified in
Documentation/devicetree/bindings/mux/reg-mux.txt
required:
- compatible
- reg
- "#address-cells"
- "#size-cells"
- ranges
unevaluatedProperties: false
examples:
- |
scm_conf: scm-conf@100000 {
compatible = "ti,j721e-system-controller", "syscon", "simple-mfd";
reg = <0x00100000 0x1c000>;
#address-cells = <1>;
#size-cells = <1>;
ranges;
serdes_ln_ctrl: serdes-ln-ctrl@4080 {
compatible = "mmio-mux";
reg = <0x00004080 0x50>;
};
};
...
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