122 lines
3.4 KiB
YAML
122 lines
3.4 KiB
YAML
|
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
|
||
|
|
%YAML 1.2
|
||
|
|
---
|
||
|
|
$id: http://devicetree.org/schemas/power/renesas,sysc-rmobile.yaml#
|
||
|
|
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
||
|
|
|
||
|
|
title: Renesas R-Mobile System Controller
|
||
|
|
|
||
|
|
maintainers:
|
||
|
|
- Geert Uytterhoeven <geert+renesas@glider.be>
|
||
|
|
- Magnus Damm <magnus.damm@gmail.com>
|
||
|
|
|
||
|
|
description: |
|
||
|
|
The R-Mobile System Controller provides the following functions:
|
||
|
|
- Boot mode management,
|
||
|
|
- Reset generation,
|
||
|
|
- Power management.
|
||
|
|
|
||
|
|
properties:
|
||
|
|
compatible:
|
||
|
|
items:
|
||
|
|
- enum:
|
||
|
|
- renesas,sysc-r8a73a4 # R-Mobile APE6
|
||
|
|
- renesas,sysc-r8a7740 # R-Mobile A1
|
||
|
|
- renesas,sysc-sh73a0 # SH-Mobile AG5
|
||
|
|
- const: renesas,sysc-rmobile # Generic SH/R-Mobile
|
||
|
|
|
||
|
|
reg:
|
||
|
|
items:
|
||
|
|
- description: Normally accessible register block
|
||
|
|
- description: Register block protected by the HPB semaphore
|
||
|
|
|
||
|
|
pm-domains:
|
||
|
|
type: object
|
||
|
|
description: |
|
||
|
|
This node contains a hierarchy of PM domain nodes, which should match the
|
||
|
|
Power Area Hierarchy in the Power Domain Specifications section of the
|
||
|
|
device's datasheet.
|
||
|
|
|
||
|
|
properties:
|
||
|
|
'#address-cells':
|
||
|
|
const: 1
|
||
|
|
|
||
|
|
'#size-cells':
|
||
|
|
const: 0
|
||
|
|
|
||
|
|
additionalProperties:
|
||
|
|
$ref: "#/$defs/pd-node"
|
||
|
|
|
||
|
|
required:
|
||
|
|
- compatible
|
||
|
|
- reg
|
||
|
|
- pm-domains
|
||
|
|
|
||
|
|
additionalProperties: false
|
||
|
|
|
||
|
|
$defs:
|
||
|
|
pd-node:
|
||
|
|
type: object
|
||
|
|
description:
|
||
|
|
PM domain node representing a PM domain. This node hould be named by
|
||
|
|
the real power area name, and thus its name should be unique.
|
||
|
|
|
||
|
|
properties:
|
||
|
|
reg:
|
||
|
|
maxItems: 1
|
||
|
|
description:
|
||
|
|
If the PM domain is not always-on, this property must contain the
|
||
|
|
bit index number for the corresponding power area in the various
|
||
|
|
Power Control and Status Registers.
|
||
|
|
If the PM domain is always-on, this property must be omitted.
|
||
|
|
|
||
|
|
'#address-cells':
|
||
|
|
const: 1
|
||
|
|
|
||
|
|
'#size-cells':
|
||
|
|
const: 0
|
||
|
|
|
||
|
|
'#power-domain-cells':
|
||
|
|
const: 0
|
||
|
|
|
||
|
|
required:
|
||
|
|
- '#power-domain-cells'
|
||
|
|
|
||
|
|
additionalProperties:
|
||
|
|
$ref: "#/$defs/pd-node"
|
||
|
|
|
||
|
|
examples:
|
||
|
|
- |
|
||
|
|
// This shows a subset of the r8a7740 PM domain hierarchy, containing the
|
||
|
|
// C5 "always-on" domain, 2 of its subdomains (A4S and A4SU), and the A3SP
|
||
|
|
// domain, which is a subdomain of A4S.
|
||
|
|
sysc: system-controller@e6180000 {
|
||
|
|
compatible = "renesas,sysc-r8a7740", "renesas,sysc-rmobile";
|
||
|
|
reg = <0xe6180000 0x8000>, <0xe6188000 0x8000>;
|
||
|
|
|
||
|
|
pm-domains {
|
||
|
|
pd_c5: c5 {
|
||
|
|
#address-cells = <1>;
|
||
|
|
#size-cells = <0>;
|
||
|
|
#power-domain-cells = <0>;
|
||
|
|
|
||
|
|
pd_a4s: a4s@10 {
|
||
|
|
reg = <10>;
|
||
|
|
#address-cells = <1>;
|
||
|
|
#size-cells = <0>;
|
||
|
|
#power-domain-cells = <0>;
|
||
|
|
|
||
|
|
pd_a3sp: a3sp@11 {
|
||
|
|
reg = <11>;
|
||
|
|
#power-domain-cells = <0>;
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
pd_a4su: a4su@20 {
|
||
|
|
reg = <20>;
|
||
|
|
#power-domain-cells = <0>;
|
||
|
|
};
|
||
|
|
};
|
||
|
|
};
|
||
|
|
};
|