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-rw-r--r--Documentation/devicetree/bindings/mfd/tps65910.txt33
1 files changed, 22 insertions, 11 deletions
diff --git a/Documentation/devicetree/bindings/mfd/tps65910.txt b/Documentation/devicetree/bindings/mfd/tps65910.txt
index 31be5a3..d2802d4 100644
--- a/Documentation/devicetree/bindings/mfd/tps65910.txt
+++ b/Documentation/devicetree/bindings/mfd/tps65910.txt
@@ -25,17 +25,12 @@ Required properties:
tps65911: vrtc, vio, vdd1, vdd3, vddctrl, ldo1, ldo2, ldo3, ldo4, ldo5,
ldo6, ldo7, ldo8
-Optional properties:
-- ti,vmbch-threshold: (tps65911) main battery charged threshold
- comparator. (see VMBCH_VSEL in TPS65910 datasheet)
-- ti,vmbch2-threshold: (tps65911) main battery discharged threshold
- comparator. (see VMBCH_VSEL in TPS65910 datasheet)
-- ti,en-gpio-sleep: enable sleep control for gpios
- There should be 9 entries here, one for each gpio.
- xxx-supply: Input voltage supply regulator.
- Missing of these properties will be assume as there is no supply regulator
- for that input pins and always powered on.
- The valid input supply properties are:
+ These entries are require if regulators are enabled for a device. Missing of these
+ properties can cause the regulator registration fails.
+ If some of input supply is powered through battery or always-on supply then
+ also it is require to have these parameters with proper node handle of always
+ on power supply.
tps65910:
vcc1-supply: VDD1 input.
vcc2-supply: VDD2 input.
@@ -55,6 +50,16 @@ Optional properties:
vcc7-supply: VRTC input.
vccio-supply: VIO input.
+Optional properties:
+- ti,vmbch-threshold: (tps65911) main battery charged threshold
+ comparator. (see VMBCH_VSEL in TPS65910 datasheet)
+- ti,vmbch2-threshold: (tps65911) main battery discharged threshold
+ comparator. (see VMBCH_VSEL in TPS65910 datasheet)
+- ti,en-ck32k-xtal: enable external 32-kHz crystal oscillator (see CK32K_CTRL
+ in TPS6591X datasheet)
+- ti,en-gpio-sleep: enable sleep control for gpios
+ There should be 9 entries here, one for each gpio.
+
Regulator Optional properties:
- ti,regulator-ext-sleep-control: enable external sleep
control through external inputs [0 (not enabled), 1 (EN1), 2 (EN2) or 4(EN3)]
@@ -79,8 +84,14 @@ Example:
ti,en-gpio-sleep = <0 0 1 0 0 0 0 0 0>;
- vcc7-supply = <&reg_parent>;
vcc1-supply = <&reg_parent>;
+ vcc2-supply = <&some_reg>;
+ vcc3-supply = <...>;
+ vcc4-supply = <...>;
+ vcc5-supply = <...>;
+ vcc6-supply = <...>;
+ vcc7-supply = <...>;
+ vccio-supply = <...>;
regulators {
#address-cells = <1>;
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