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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /Documentation/devicetree/bindings/pwm/pwm-bcm2835.txt | |
parent | Initial commit. (diff) | |
download | linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/devicetree/bindings/pwm/pwm-bcm2835.txt')
-rw-r--r-- | Documentation/devicetree/bindings/pwm/pwm-bcm2835.txt | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pwm/pwm-bcm2835.txt b/Documentation/devicetree/bindings/pwm/pwm-bcm2835.txt new file mode 100644 index 000000000..f5753b3f7 --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/pwm-bcm2835.txt @@ -0,0 +1,30 @@ +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 +- 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 3. See pwm.yaml in this directory for a description of + the cells format. + +Examples: + +pwm@2020c000 { + compatible = "brcm,bcm2835-pwm"; + reg = <0x2020c000 0x28>; + clocks = <&clk_pwm>; + #pwm-cells = <3>; +}; + +clocks { + .... + clk_pwm: pwm { + compatible = "fixed-clock"; + reg = <3>; + #clock-cells = <0>; + clock-frequency = <9200000>; + }; + .... +}; |