kernel/Documentation/devicetree/bindings/clock/renesas,cpg-clocks.yaml
2024-07-22 17:22:30 +08:00

242 lines
5.5 KiB
YAML

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/clock/renesas,cpg-clocks.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Renesas Clock Pulse Generator (CPG)
maintainers:
- Geert Uytterhoeven <geert+renesas@glider.be>
description:
The Clock Pulse Generator (CPG) generates core clocks for the SoC. It
includes PLLs, and fixed and variable ratio dividers.
The CPG may also provide a Clock Domain for SoC devices, in combination with
the CPG Module Stop (MSTP) Clocks.
properties:
compatible:
oneOf:
- const: renesas,r8a73a4-cpg-clocks # R-Mobile APE6
- const: renesas,r8a7740-cpg-clocks # R-Mobile A1
- const: renesas,r8a7778-cpg-clocks # R-Car M1
- const: renesas,r8a7779-cpg-clocks # R-Car H1
- items:
- enum:
- renesas,r7s72100-cpg-clocks # RZ/A1H
- const: renesas,rz-cpg-clocks # RZ/A1
- const: renesas,sh73a0-cpg-clocks # SH-Mobile AG5
reg:
maxItems: 1
clocks: true
'#clock-cells':
const: 1
clock-output-names: true
renesas,mode:
description: Board-specific settings of the MD_CK* bits on R-Mobile A1
$ref: /schemas/types.yaml#/definitions/uint32
minimum: 0
maximum: 7
'#power-domain-cells':
const: 0
required:
- compatible
- reg
- clocks
- '#clock-cells'
- clock-output-names
allOf:
- if:
properties:
compatible:
contains:
const: renesas,r8a73a4-cpg-clocks
then:
properties:
clocks:
items:
- description: extal1
- description: extal2
clock-output-names:
items:
- const: main
- const: pll0
- const: pll1
- const: pll2
- const: pll2s
- const: pll2h
- const: z
- const: z2
- const: i
- const: m3
- const: b
- const: m1
- const: m2
- const: zx
- const: zs
- const: hp
- if:
properties:
compatible:
contains:
const: renesas,r8a7740-cpg-clocks
then:
properties:
clocks:
items:
- description: extal1
- description: extal2
- description: extalr
clock-output-names:
items:
- const: system
- const: pllc0
- const: pllc1
- const: pllc2
- const: r
- const: usb24s
- const: i
- const: zg
- const: b
- const: m1
- const: hp
- const: hpp
- const: usbp
- const: s
- const: zb
- const: m3
- const: cp
required:
- renesas,mode
- if:
properties:
compatible:
contains:
const: renesas,r8a7778-cpg-clocks
then:
properties:
clocks:
maxItems: 1
clock-output-names:
items:
- const: plla
- const: pllb
- const: b
- const: out
- const: p
- const: s
- const: s1
- if:
properties:
compatible:
contains:
const: renesas,r8a7779-cpg-clocks
then:
properties:
clocks:
maxItems: 1
clock-output-names:
items:
- const: plla
- const: z
- const: zs
- const: s
- const: s1
- const: p
- const: b
- const: out
- if:
properties:
compatible:
contains:
const: renesas,r7s72100-cpg-clocks
then:
properties:
clocks:
items:
- description: extal1
- description: usb_x1
clock-output-names:
items:
- const: pll
- const: i
- const: g
- if:
properties:
compatible:
contains:
const: renesas,sh73a0-cpg-clocks
then:
properties:
clocks:
items:
- description: extal1
- description: extal2
clock-output-names:
items:
- const: main
- const: pll0
- const: pll1
- const: pll2
- const: pll3
- const: dsi0phy
- const: dsi1phy
- const: zg
- const: m3
- const: b
- const: m1
- const: m2
- const: z
- const: zx
- const: hp
- if:
properties:
compatible:
contains:
enum:
- renesas,r8a7778-cpg-clocks
- renesas,r8a7779-cpg-clocks
- renesas,rz-cpg-clocks
then:
required:
- '#power-domain-cells'
additionalProperties: false
examples:
- |
#include <dt-bindings/clock/r8a7740-clock.h>
cpg_clocks: cpg_clocks@e6150000 {
compatible = "renesas,r8a7740-cpg-clocks";
reg = <0xe6150000 0x10000>;
clocks = <&extal1_clk>, <&extal2_clk>, <&extalr_clk>;
#clock-cells = <1>;
clock-output-names = "system", "pllc0", "pllc1", "pllc2", "r",
"usb24s", "i", "zg", "b", "m1", "hp", "hpp",
"usbp", "s", "zb", "m3", "cp";
renesas,mode = <0x05>;
};