Document the scl-gpios and sda-gpios properties for bus recovery.
Signed-off-by: Jisheng Zhang <[email protected]>
---
Documentation/devicetree/bindings/i2c/i2c-designware.txt | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/Documentation/devicetree/bindings/i2c/i2c-designware.txt
b/Documentation/devicetree/bindings/i2c/i2c-designware.txt
index fbb0a6d8b964..1d6a6a8061ba 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-designware.txt
+++ b/Documentation/devicetree/bindings/i2c/i2c-designware.txt
@@ -20,6 +20,10 @@ Optional properties :
- i2c-sda-falling-time-ns : should contain the SDA falling time in
nanoseconds.
This value which is by default 300ns is used to compute the tHIGH period.
+ - scl-gpios: specify the gpio of the SCL line for gpio recovery
+
+ - sda-gpios: specify the gpio of the SDA line for gpio recovery
+
Examples :
i2c@f0000 {
@@ -42,6 +46,8 @@ Examples :
i2c-sda-hold-time-ns = <300>;
i2c-sda-falling-time-ns = <300>;
i2c-scl-falling-time-ns = <300>;
+ scl-gpios = <&gpio1 15 GPIO_ACTIVE_HIGH>;
+ sda-gpios = <&gpio1 16 GPIO_ACTIVE_HIGH>;
};
i2c@1120000 {
--
2.19.0
