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-rw-r--r--Documentation/devicetree/bindings/pwm/pwm-tiecap.txt12
1 files changed, 10 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/pwm/pwm-tiecap.txt b/Documentation/devicetree/bindings/pwm/pwm-tiecap.txt
index 131e8c11d26f..681afad73778 100644
--- a/Documentation/devicetree/bindings/pwm/pwm-tiecap.txt
+++ b/Documentation/devicetree/bindings/pwm/pwm-tiecap.txt
@@ -1,7 +1,9 @@
1TI SOC ECAP based APWM controller 1TI SOC ECAP based APWM controller
2 2
3Required properties: 3Required properties:
4- compatible: Must be "ti,am33xx-ecap" 4- compatible: Must be "ti,<soc>-ecap".
5 for am33xx - compatible = "ti,am33xx-ecap";
6 for da850 - compatible = "ti,da850-ecap", "ti,am33xx-ecap";
5- #pwm-cells: Should be 3. Number of cells being used to specify PWM property. 7- #pwm-cells: Should be 3. Number of cells being used to specify PWM property.
6 First cell specifies the per-chip index of the PWM to use, the second 8 First cell specifies the per-chip index of the PWM to use, the second
7 cell is the period in nanoseconds and bit 0 in the third cell is used to 9 cell is the period in nanoseconds and bit 0 in the third cell is used to
@@ -15,9 +17,15 @@ Optional properties:
15 17
16Example: 18Example:
17 19
18ecap0: ecap@0 { 20ecap0: ecap@0 { /* ECAP on am33xx */
19 compatible = "ti,am33xx-ecap"; 21 compatible = "ti,am33xx-ecap";
20 #pwm-cells = <3>; 22 #pwm-cells = <3>;
21 reg = <0x48300100 0x80>; 23 reg = <0x48300100 0x80>;
22 ti,hwmods = "ecap0"; 24 ti,hwmods = "ecap0";
23}; 25};
26
27ecap0: ecap@0 { /* ECAP on da850 */
28 compatible = "ti,da850-ecap", "ti,am33xx-ecap";
29 #pwm-cells = <3>;
30 reg = <0x306000 0x80>;
31};