Commit 9495525e authored by Florian Fainelli's avatar Florian Fainelli Committed by Thierry Reding

Documentation: dt: add Broadcom BCM7038 PWM controller binding

Add a binding documentation for the Broadcom BCM7038 PWM controller found in
BCM7xxx chips.
Signed-off-by: default avatarFlorian Fainelli <f.fainelli@gmail.com>
Signed-off-by: default avatarThierry Reding <thierry.reding@gmail.com>
parent ed6c1476
Broadcom BCM7038 PWM controller (BCM7xxx Set Top Box PWM controller)
Required properties:
- compatible: must be "brcm,bcm7038-pwm"
- reg: physical base address and length for this controller
- #pwm-cells: should be 2. See pwm.txt in this directory for a description
of the cells format
- clocks: a phandle to the reference clock for this block which is fed through
its internal variable clock frequency generator
Example:
pwm: pwm@f0408000 {
compatible = "brcm,bcm7038-pwm";
reg = <0xf0408000 0x28>;
#pwm-cells = <2>;
clocks = <&upg_fixed>;
};
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