From: ChiYuan Huang <cy_huang@xxxxxxxxxxx>
Add optional mediatek.power-off-sequence in bindings document.
Signed-off-by: ChiYuan Huang <cy_huang@xxxxxxxxxxx>
---
Hi,
Originally, we think it must write in platform dependent code like as bootloader.
But after the evaluation, it must write only when system normal HALT or POWER_OFF.
For the other cases, just follow HW immediate off by default.
---
.../devicetree/bindings/regulator/mt6360-regulator.yaml | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/Documentation/devicetree/bindings/regulator/mt6360-regulator.yaml b/Documentation/devicetree/bindings/regulator/mt6360-regulator.yaml
index a462d99..eaf36e2 100644
--- a/Documentation/devicetree/bindings/regulator/mt6360-regulator.yaml
+++ b/Documentation/devicetree/bindings/regulator/mt6360-regulator.yaml
@@ -24,6 +24,16 @@ properties:
LDO_VIN3-supply:
description: Input supply phandle(s) for LDO6/7
+ mediatek,power-off-sequence:
+ description: |
+ Power off sequence time selection for BUCK1/BUCK2/LDO7/LDO6, respetively.
+ Cause these regulators are all default-on power. Each value from 0 to 63,
+ and step is 1. Each step means 2 millisecond delay.
+ Therefore, the power off sequence delay time range is from 0ms to 126ms.
+ $ref: "/schemas/types.yaml#/definitions/uint8-array"
+ minItems: 4
+ maxItems: 4
+
patternProperties:
"^buck[12]$":
$ref: "regulator.yaml#"
@@ -42,6 +52,7 @@ examples:
#include <dt-bindings/regulator/mediatek,mt6360-regulator.h>
regulator {
compatible = "mediatek,mt6360-regulator";
+ mediatek,power-off-sequence = /bits/ 8 <0 0 0 0>;
LDO_VIN3-supply = <&BUCK2>;
buck1 {
regulator-compatible = "BUCK1";
--
2.7.4
