diff options
Diffstat (limited to 'kernel/Documentation/devicetree/bindings/i2c/i2c-imx.txt')
| -rw-r--r-- | kernel/Documentation/devicetree/bindings/i2c/i2c-imx.txt | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/kernel/Documentation/devicetree/bindings/i2c/i2c-imx.txt b/kernel/Documentation/devicetree/bindings/i2c/i2c-imx.txt index ce4311d72..eab5836ba 100644 --- a/kernel/Documentation/devicetree/bindings/i2c/i2c-imx.txt +++ b/kernel/Documentation/devicetree/bindings/i2c/i2c-imx.txt @@ -14,6 +14,10 @@ Optional properties: The absence of the propoerty indicates the default frequency 100 kHz. - dmas: A list of two dma specifiers, one for each entry in dma-names. - dma-names: should contain "tx" and "rx". +- scl-gpios: specify the gpio related to SCL pin +- sda-gpios: specify the gpio related to SDA pin +- pinctrl: add extra pinctrl to configure i2c pins to gpio function for i2c + bus recovery, call it "gpio" state Examples: @@ -37,4 +41,9 @@ i2c0: i2c@40066000 { /* i2c0 on vf610 */ dmas = <&edma0 0 50>, <&edma0 0 51>; dma-names = "rx","tx"; + pinctrl-names = "default", "gpio"; + pinctrl-0 = <&pinctrl_i2c1>; + pinctrl-1 = <&pinctrl_i2c1_gpio>; + scl-gpios = <&gpio5 26 GPIO_ACTIVE_HIGH>; + sda-gpios = <&gpio5 27 GPIO_ACTIVE_HIGH>; }; |