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dt-bindings: soc: starfive: Add StarFive syscon module

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Add documentation to describe StarFive System Controller Registers.

Reviewed-by: Emil Renner Berthing <emil.renner.berthing@canonical.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Co-developed-by: Xingyu Wu <xingyu.wu@starfivetech.com>
Signed-off-by: Xingyu Wu <xingyu.wu@starfivetech.com>
Signed-off-by: William Qiu <william.qiu@starfivetech.com>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
This commit is contained in:
William Qiu 2023-07-17 10:30:35 +08:00 committed by Conor Dooley
parent bd348ca24d
commit c81f7845b2
2 changed files with 100 additions and 0 deletions
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93
Documentation/devicetree/bindings/soc/starfive/starfive,jh7110-syscon.yaml Normal file
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@ -0,0 +1,93 @@
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/soc/starfive/starfive,jh7110-syscon.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: StarFive JH7110 SoC system controller
maintainers:
- William Qiu <william.qiu@starfivetech.com>
description:
The StarFive JH7110 SoC system controller provides register information such
as offset, mask and shift to configure related modules such as MMC and PCIe.
properties:
compatible:
oneOf:
- items:
- const: starfive,jh7110-sys-syscon
- const: syscon
- const: simple-mfd
- items:
- enum:
- starfive,jh7110-aon-syscon
- starfive,jh7110-stg-syscon
- const: syscon
reg:
maxItems: 1
clock-controller:
$ref: /schemas/clock/starfive,jh7110-pll.yaml#
type: object
"#power-domain-cells":
const: 1
required:
- compatible
- reg
allOf:
- if:
properties:
compatible:
contains:
const: starfive,jh7110-sys-syscon
then:
required:
- clock-controller
else:
properties:
clock-controller: false
- if:
properties:
compatible:
contains:
const: starfive,jh7110-aon-syscon
then:
required:
- "#power-domain-cells"
else:
properties:
"#power-domain-cells": false
additionalProperties: false
examples:
- |
syscon@10240000 {
compatible = "starfive,jh7110-stg-syscon", "syscon";
reg = <0x10240000 0x1000>;
};
syscon@13030000 {
compatible = "starfive,jh7110-sys-syscon", "syscon", "simple-mfd";
reg = <0x13030000 0x1000>;
clock-controller {
compatible = "starfive,jh7110-pll";
clocks = <&osc>;
#clock-cells = <1>;
};
};
syscon@17010000 {
compatible = "starfive,jh7110-aon-syscon", "syscon";
reg = <0x17010000 0x1000>;
#power-domain-cells = <1>;
};
...

7
MAINTAINERS
View file

@ -20271,6 +20271,12 @@ S: Supported
F: Documentation/devicetree/bindings/mmc/starfive*
F: drivers/mmc/host/dw_mmc-starfive.c
STARFIVE JH7110 SYSCON
M: William Qiu <william.qiu@starfivetech.com>
M: Xingyu Wu <xingyu.wu@starfivetech.com>
S: Supported
F: Documentation/devicetree/bindings/soc/starfive/starfive,jh7110-syscon.yaml
STARFIVE JH7110 TDM DRIVER
M: Walker Chen <walker.chen@starfivetech.com>
S: Maintained
@ -20320,6 +20326,7 @@ STARFIVE SOC DRIVERS
M: Conor Dooley <conor@kernel.org>
S: Maintained
T: git https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux.git/
F: Documentation/devicetree/bindings/soc/starfive/
F: drivers/soc/starfive/
STARFIVE TRNG DRIVER