diff options
| -rw-r--r-- | Documentation/devicetree/bindings/mfd/ti,j721e-system-controller.yaml | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mfd/ti,j721e-system-controller.yaml b/Documentation/devicetree/bindings/mfd/ti,j721e-system-controller.yaml new file mode 100644 index 000000000000..03d0a232c75e --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/ti,j721e-system-controller.yaml @@ -0,0 +1,74 @@ +# 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>; + }; + }; +... |