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|
# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/clock/brcm,kona-ccu.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Broadcom Kona family clock control units (CCU)
maintainers:
- Florian Fainelli <florian.fainelli@broadcom.com>
- Ray Jui <rjui@broadcom.com>
- Scott Branden <sbranden@broadcom.com>
description: |
Broadcom "Kona" style clock control unit (CCU) is a clock provider that
manages a set of clock signals.
All available clock IDs are defined in
- include/dt-bindings/clock/bcm281xx.h for BCM281XX family
- include/dt-bindings/clock/bcm21664.h for BCM21664 family
properties:
compatible:
enum:
- brcm,bcm11351-aon-ccu
- brcm,bcm11351-hub-ccu
- brcm,bcm11351-master-ccu
- brcm,bcm11351-root-ccu
- brcm,bcm11351-slave-ccu
- brcm,bcm21664-aon-ccu
- brcm,bcm21664-master-ccu
- brcm,bcm21664-root-ccu
- brcm,bcm21664-slave-ccu
reg:
maxItems: 1
'#clock-cells':
const: 1
clock-output-names:
minItems: 1
maxItems: 10
required:
- compatible
- reg
- '#clock-cells'
- clock-output-names
allOf:
- if:
properties:
compatible:
contains:
const: brcm,bcm11351-aon-ccu
then:
properties:
clock-output-names:
items:
- const: hub_timer
- const: pmu_bsc
- const: pmu_bsc_var
- if:
properties:
compatible:
contains:
const: brcm,bcm11351-hub-ccu
then:
properties:
clock-output-names:
const: tmon_1m
- if:
properties:
compatible:
contains:
const: brcm,bcm11351-master-ccu
then:
properties:
clock-output-names:
items:
- const: sdio1
- const: sdio2
- const: sdio3
- const: sdio4
- const: usb_ic
- const: hsic2_48m
- const: hsic2_12m
- if:
properties:
compatible:
contains:
enum:
- brcm,bcm11351-root-ccu
- brcm,bcm21664-root-ccu
then:
properties:
clock-output-names:
const: frac_1m
- if:
properties:
compatible:
contains:
const: brcm,bcm11351-slave-ccu
then:
properties:
clock-output-names:
items:
- const: uartb
- const: uartb2
- const: uartb3
- const: uartb4
- const: ssp0
- const: ssp2
- const: bsc1
- const: bsc2
- const: bsc3
- const: pwm
- if:
properties:
compatible:
contains:
const: brcm,bcm21664-aon-ccu
then:
properties:
clock-output-names:
const: hub_timer
- if:
properties:
compatible:
contains:
const: brcm,bcm21664-master-ccu
then:
properties:
clock-output-names:
items:
- const: sdio1
- const: sdio2
- const: sdio3
- const: sdio4
- const: sdio1_sleep
- const: sdio2_sleep
- const: sdio3_sleep
- const: sdio4_sleep
- if:
properties:
compatible:
contains:
const: brcm,bcm21664-slave-ccu
then:
properties:
clock-output-names:
items:
- const: uartb
- const: uartb2
- const: uartb3
- const: bsc1
- const: bsc2
- const: bsc3
- const: bsc4
additionalProperties: false
examples:
- |
clock-controller@3e011000 {
compatible = "brcm,bcm11351-slave-ccu";
reg = <0x3e011000 0x0f00>;
#clock-cells = <1>;
clock-output-names = "uartb",
"uartb2",
"uartb3",
"uartb4",
"ssp0",
"ssp2",
"bsc1",
"bsc2",
"bsc3",
"pwm";
};
...
|
