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pwm: Add NXP LPC18xx PWM/SCT DT binding documentation 

Add the devicetree binding document for NXP LPC18xx PWM/SCT.

Signed-off-by: Ariel D'Alessandro <ariel@vanguardiasur.com.ar>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
hifive-unleashed-5.1
Ariel D'Alessandro 2015-08-05 23:31:47 -03:00 committed by Thierry Reding
parent 841e6f90bb
commit b0dabcc6f8
1 changed files with 20 additions and 0 deletions
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Documentation/devicetree/bindings/pwm/lpc1850-sct-pwm.txt 100644
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* NXP LPC18xx State Configurable Timer - Pulse Width Modulator driver
Required properties:
- compatible: Should be "nxp,lpc1850-sct-pwm"
- reg: Should contain physical base address and length of pwm registers.
- clocks: Must contain an entry for each entry in clock-names.
See ../clock/clock-bindings.txt for details.
- clock-names: Must include the following entries.
- pwm: PWM operating clock.
- #pwm-cells: Should be 3. See pwm.txt in this directory for the description
of the cells format.
Example:
pwm: pwm@40000000 {
compatible = "nxp,lpc1850-sct-pwm";
reg = <0x40000000 0x1000>;
clocks =<&ccu1 CLK_CPU_SCT>;
clock-names = "pwm";
#pwm-cells = <3>;
};