diff options
Diffstat (limited to 'dts/Bindings/pwm')
| -rw-r--r-- | dts/Bindings/pwm/pwm-bcm2835.txt | 2 | ||||
| -rw-r--r-- | dts/Bindings/pwm/pwm-hibvt.txt | 21 |
2 files changed, 22 insertions, 1 deletions
diff --git a/dts/Bindings/pwm/pwm-bcm2835.txt b/dts/Bindings/pwm/pwm-bcm2835.txt index fb6fb31bc4..cf573e85b1 100644 --- a/dts/Bindings/pwm/pwm-bcm2835.txt +++ b/dts/Bindings/pwm/pwm-bcm2835.txt @@ -3,7 +3,7 @@ BCM2835 PWM controller (Raspberry Pi controller) Required properties: - compatible: should be "brcm,bcm2835-pwm" - reg: physical base address and length of the controller's registers -- clock: This clock defines the base clock frequency of the PWM hardware +- clocks: This clock defines the base clock frequency of the PWM hardware system, the period and the duty_cycle of the PWM signal is a multiple of the base period. - #pwm-cells: Should be 2. See pwm.txt in this directory for a description of diff --git a/dts/Bindings/pwm/pwm-hibvt.txt b/dts/Bindings/pwm/pwm-hibvt.txt new file mode 100644 index 0000000000..fa7849d678 --- /dev/null +++ b/dts/Bindings/pwm/pwm-hibvt.txt @@ -0,0 +1,21 @@ +Hisilicon PWM controller + +Required properties: +-compatible: should contain one SoC specific compatible string + The SoC specific strings supported including: + "hisilicon,hi3516cv300-pwm" + "hisilicon,hi3519v100-pwm" +- reg: physical base address and length of the controller's registers. +- clocks: phandle and clock specifier of the PWM reference clock. +- resets: phandle and reset specifier for the PWM controller reset. +- #pwm-cells: Should be 3. See pwm.txt in this directory for a description of + the cells format. + +Example: + pwm: pwm@12130000 { + compatible = "hisilicon,hi3516cv300-pwm"; + reg = <0x12130000 0x10000>; + clocks = <&crg_ctrl HI3516CV300_PWM_CLK>; + resets = <&crg_ctrl 0x38 0>; + #pwm-cells = <3>; + }; |