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Diffstat (limited to 'sys/contrib/device-tree/Bindings/clock/brcm,bcm2835-cprman.yaml')
| -rw-r--r-- | sys/contrib/device-tree/Bindings/clock/brcm,bcm2835-cprman.yaml | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/sys/contrib/device-tree/Bindings/clock/brcm,bcm2835-cprman.yaml b/sys/contrib/device-tree/Bindings/clock/brcm,bcm2835-cprman.yaml new file mode 100644 index 000000000000..b0cf76c74bc7 --- /dev/null +++ b/sys/contrib/device-tree/Bindings/clock/brcm,bcm2835-cprman.yaml @@ -0,0 +1,59 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/brcm,bcm2835-cprman.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Broadcom BCM2835 CPRMAN clocks + +maintainers: + - Stefan Wahren <wahrenst@gmx.net> + - Raspberry Pi Kernel Maintenance <kernel-list@raspberrypi.com> + +description: + The CPRMAN clock controller generates clocks in the audio power domain of the + BCM2835. There is a level of PLLs deriving from an external oscillator, a + level of PLL dividers that produce channels off of the few PLLs, and a level + of mostly-generic clock generators sourcing from the PLL channels. Most other + hardware components source from the clock generators, but a few (like the ARM + or HDMI) will source from the PLL dividers directly. + +properties: + compatible: + enum: + - brcm,bcm2711-cprman + - brcm,bcm2835-cprman + + reg: + maxItems: 1 + + '#clock-cells': + const: 1 + + clocks: + minItems: 1 + items: + - description: External oscillator clock. + - description: DSI0 byte clock. + - description: DSI0 DDR2 clock. + - description: DSI0 DDR clock. + - description: DSI1 byte clock. + - description: DSI1 DDR2 clock. + - description: DSI1 DDR clock. + +additionalProperties: false + +required: + - compatible + - '#clock-cells' + - reg + - clocks + +examples: + - | + clock-controller@7e101000 { + compatible = "brcm,bcm2835-cprman"; + reg = <0x7e101000 0x2000>; + #clock-cells = <1>; + clocks = <&clk_osc>; + }; |
