diff options
Diffstat (limited to 'Documentation/devicetree/bindings/pwm')
| -rw-r--r-- | Documentation/devicetree/bindings/pwm/pwm-tiecap.txt | 18 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt | 18 |
2 files changed, 24 insertions, 12 deletions
diff --git a/Documentation/devicetree/bindings/pwm/pwm-tiecap.txt b/Documentation/devicetree/bindings/pwm/pwm-tiecap.txt index 0d47354b72f4..ee0a8bd34701 100644 --- a/Documentation/devicetree/bindings/pwm/pwm-tiecap.txt +++ b/Documentation/devicetree/bindings/pwm/pwm-tiecap.txt @@ -2,9 +2,9 @@ TI SOC ECAP based APWM controller Required properties: - compatible: Must be "ti,<soc>-ecap". - for am33xx - compatible = "ti,am33xx-ecap"; - for am4372 - compatible = "ti,am4372-ecap", "ti,am33xx-ecap"; - for da850 - compatible = "ti,da850-ecap", "ti,am33xx-ecap"; + for am33xx - compatible = "ti,am3352-ecap", "ti,am33xx-ecap"; + for am4372 - compatible = "ti,am4372-ecap", "ti,am3352-ecap", "ti,am33xx-ecap"; + for da850 - compatible = "ti,da850-ecap", "ti,am3352-ecap", "ti,am33xx-ecap"; - #pwm-cells: should be 3. See pwm.txt in this directory for a description of the cells format. The PWM channel index ranges from 0 to 4. The only third cell flag supported by this binding is PWM_POLARITY_INVERTED. @@ -13,25 +13,31 @@ Required properties: Optional properties: - ti,hwmods: Name of the hwmod associated to the ECAP: "ecap<x>", <x> being the 0-based instance number from the HW spec +- clocks: Handle to the ECAP's functional clock. +- clock-names: Must be set to "fck". Example: ecap0: ecap@48300100 { /* ECAP on am33xx */ - compatible = "ti,am33xx-ecap"; + compatible = "ti,am3352-ecap", "ti,am33xx-ecap"; #pwm-cells = <3>; reg = <0x48300100 0x80>; ti,hwmods = "ecap0"; + clocks = <&l4ls_gclk>; + clock-names = "fck"; }; ecap0: ecap@48300100 { /* ECAP on am4372 */ - compatible = "ti,am4372-ecap", "ti,am33xx-ecap"; + compatible = "ti,am4372-ecap", "ti,am3352-ecap", "ti,am33xx-ecap"; #pwm-cells = <3>; reg = <0x48300100 0x80>; ti,hwmods = "ecap0"; + clocks = <&l4ls_gclk>; + clock-names = "fck"; }; ecap0: ecap@1f06000 { /* ECAP on da850 */ - compatible = "ti,da850-ecap", "ti,am33xx-ecap"; + compatible = "ti,da850-ecap", "ti,am3352-ecap", "ti,am33xx-ecap"; #pwm-cells = <3>; reg = <0x1f06000 0x80>; }; diff --git a/Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt b/Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt index f3bc09e92d4c..e9a156b56bd5 100644 --- a/Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt +++ b/Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt @@ -2,9 +2,9 @@ TI SOC EHRPWM based PWM controller Required properties: - compatible: Must be "ti,<soc>-ehrpwm". - for am33xx - compatible = "ti,am33xx-ehrpwm"; - for am4372 - compatible = "ti,am4372-ehrpwm", "ti,am33xx-ehrpwm"; - for da850 - compatible = "ti,da850-ehrpwm", "ti,am33xx-ehrpwm"; + for am33xx - compatible = "ti,am3352-ehrpwm", "ti,am33xx-ehrpwm"; + for am4372 - compatible = "ti,am4372-ehrpwm", "ti-am3352-ehrpwm", "ti,am33xx-ehrpwm"; + for da850 - compatible = "ti,da850-ehrpwm", "ti-am3352-ehrpwm", "ti,am33xx-ehrpwm"; - #pwm-cells: should be 3. See pwm.txt in this directory for a description of the cells format. The only third cell flag supported by this binding is PWM_POLARITY_INVERTED. @@ -13,25 +13,31 @@ Required properties: Optional properties: - ti,hwmods: Name of the hwmod associated to the EHRPWM: "ehrpwm<x>", <x> being the 0-based instance number from the HW spec +- 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,am33xx-ehrpwm"; + compatible = "ti,am3352-ehrpwm", "ti,am33xx-ehrpwm"; #pwm-cells = <3>; reg = <0x48300200 0x100>; + clocks = <&ehrpwm0_tbclk>, <&l4ls_gclk>; + clock-names = "tbclk", "fck"; ti,hwmods = "ehrpwm0"; }; ehrpwm0: pwm@48300200 { /* EHRPWM on am4372 */ - compatible = "ti,am4372-ehrpwm", "ti,am33xx-ehrpwm"; + 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,am33xx-ehrpwm"; + compatible = "ti,da850-ehrpwm", "ti,am3352-ehrpwm", "ti,am33xx-ehrpwm"; #pwm-cells = <3>; reg = <0x1f00000 0x2000>; }; |