forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
35 lines
612 B
35 lines
612 B
Common i2c arbitration bus properties. |
|
|
|
- i2c-arb child node |
|
|
|
Required properties for the i2c-arb child node: |
|
- #address-cells = <1>; |
|
- #size-cells = <0>; |
|
|
|
Optional properties for i2c-arb child node: |
|
- Child nodes conforming to i2c bus binding |
|
|
|
|
|
Example : |
|
|
|
/* |
|
An NXP pca9541 I2C bus master selector at address 0x74 |
|
with a NXP pca8574 GPIO expander attached. |
|
*/ |
|
|
|
arb@74 { |
|
compatible = "nxp,pca9541"; |
|
reg = <0x74>; |
|
|
|
i2c-arb { |
|
#address-cells = <1>; |
|
#size-cells = <0>; |
|
|
|
gpio@38 { |
|
compatible = "nxp,pca8574"; |
|
reg = <0x38>; |
|
#gpio-cells = <2>; |
|
gpio-controller; |
|
}; |
|
}; |
|
};
|
|
|