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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
|---|---|---|
| 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-tiehrpwm.txt | |
| parent | Initial commit. (diff) | |
| download | linux-upstream.tar.xz linux-upstream.zip | |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
| -rw-r--r-- | Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt b/Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt new file mode 100644 index 000000000..c7e28f6d2 --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt @@ -0,0 +1,50 @@ +TI SOC EHRPWM based PWM controller + +Required properties: +- compatible: Must be "ti,<soc>-ehrpwm". + for am33xx - compatible = "ti,am3352-ehrpwm", "ti,am33xx-ehrpwm"; + for am4372 - compatible = "ti,am4372-ehrpwm", "ti-am3352-ehrpwm", "ti,am33xx-ehrpwm"; + for am654 - compatible = "ti,am654-ehrpwm", "ti-am3352-ehrpwm"; + for da850 - compatible = "ti,da850-ehrpwm", "ti-am3352-ehrpwm", "ti,am33xx-ehrpwm"; + for dra746 - compatible = "ti,dra746-ehrpwm", "ti-am3352-ehrpwm"; +- #pwm-cells: should be 3. See pwm.yaml in this directory for a description of + the cells format. The only third cell flag supported by this binding is + PWM_POLARITY_INVERTED. +- reg: physical base address and size of the registers map. + +Optional properties: +- clocks: Handle to the PWM's time-base and functional clock. +- clock-names: Must be set to "tbclk" and "fck". + +Example: + +ehrpwm0: pwm@48300200 { /* EHRPWM on am33xx */ + compatible = "ti,am3352-ehrpwm", "ti,am33xx-ehrpwm"; + #pwm-cells = <3>; + reg = <0x48300200 0x100>; + clocks = <&ehrpwm0_tbclk>, <&l4ls_gclk>; + clock-names = "tbclk", "fck"; +}; + +ehrpwm0: pwm@48300200 { /* EHRPWM on am4372 */ + compatible = "ti,am4372-ehrpwm", "ti,am3352-ehrpwm", "ti,am33xx-ehrpwm"; + #pwm-cells = <3>; + reg = <0x48300200 0x80>; + clocks = <&ehrpwm0_tbclk>, <&l4ls_gclk>; + clock-names = "tbclk", "fck"; + ti,hwmods = "ehrpwm0"; +}; + +ehrpwm0: pwm@1f00000 { /* EHRPWM on da850 */ + compatible = "ti,da850-ehrpwm", "ti,am3352-ehrpwm", "ti,am33xx-ehrpwm"; + #pwm-cells = <3>; + reg = <0x1f00000 0x2000>; +}; + +ehrpwm0: pwm@4843e200 { /* EHRPWM on dra746 */ + compatible = "ti,dra746-ehrpwm", "ti,am3352-ehrpwm"; + #pwm-cells = <3>; + reg = <0x4843e200 0x80>; + clocks = <&ehrpwm0_tbclk>, <&l4_root_clk_div>; + clock-names = "tbclk", "fck"; +}; |