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-rw-r--r--Documentation/devicetree/bindings/pwm/pwm-tiecap.txt18
1 files changed, 12 insertions, 6 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>;
};