Add documentation for compatible property of subnodes.
Signed-off-by: Johannes Pointner <johannes.pointner@xxxxxxxxxxxxxxxxx>
---
Documentation/devicetree/bindings/regulator/tps65217.txt | 7 ++++++-
.../devicetree/bindings/video/backlight/tps65217-backlight.txt | 9 ++++++---
2 files changed, 12 insertions(+), 4 deletions(-)
diff --git a/Documentation/devicetree/bindings/regulator/tps65217.txt b/Documentation/devicetree/bindings/regulator/tps65217.txt
index 4f05d20..8ae3a3b 100644
--- a/Documentation/devicetree/bindings/regulator/tps65217.txt
+++ b/Documentation/devicetree/bindings/regulator/tps65217.txt
@@ -14,6 +14,9 @@ Required properties:
Optional properties:
- ti,pmic-shutdown-controller: Telling the PMIC to shutdown on PWR_EN toggle.
+Required subnode properties:
+- compatible: "ti,tps65217-pmic"
+
The valid names for regulators are:
tps65217: dcdc1, dcdc2, dcdc3, ldo1, ldo2, ldo3 and ldo4
@@ -23,9 +26,11 @@ Example:
tps: tps@24 {
compatible = "ti,tps65217";
+ reg = <0x24>;
ti,pmic-shutdown-controller;
- regulators {
+ tps_pmic: regulators {
+ compatible = "ti,tps65217-pmic";
dcdc1_reg: dcdc1 {
regulator-min-microvolt = <900000>;
regulator-max-microvolt = <1800000>;
diff --git a/Documentation/devicetree/bindings/video/backlight/tps65217-backlight.txt b/Documentation/devicetree/bindings/video/backlight/tps65217-backlight.txt
index 5fb9279..f92f154 100644
--- a/Documentation/devicetree/bindings/video/backlight/tps65217-backlight.txt
+++ b/Documentation/devicetree/bindings/video/backlight/tps65217-backlight.txt
@@ -6,19 +6,22 @@ used to drive LEDs for use as backlights.
Required properties:
- compatible: "ti,tps65217"
- reg: I2C slave address
-- backlight: node for specifying WLED1 and WLED2 lines in TPS65217
+- backlight: subnode for specifying WLED1 and WLED2 lines in TPS65217
+
+Required subnode properties:
+- compatible: "ti,tps65217-bl"
- isel: selection bit, valid values: 1 for ISEL1 (low-level) and 2 for ISEL2 (high-level)
- fdim: PWM dimming frequency, valid values: 100, 200, 500, 1000
- default-brightness: valid values: 0-100
-Each regulator is defined using the standard binding for regulators.
Example:
tps: tps@24 {
reg = <0x24>;
compatible = "ti,tps65217";
- backlight {
+ tps_bl: backlight {
+ compatible = "ti,tps65217-bl";
isel = <1>; /* 1 - ISET1, 2 ISET2 */
fdim = <100>; /* TPS65217_BL_FDIM_100HZ */
default-brightness = <50>;
--
2.1.0
--
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