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