Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
1Common i2c arbitration bus properties.
2
3- i2c-arb child node
4
5Required properties for the i2c-arb child node:
6- #address-cells = <1>;
7- #size-cells = <0>;
8
9Optional properties for i2c-arb child node:
10- Child nodes conforming to i2c bus binding
11
12
13Example :
14
15 /*
16 An NXP pca9541 I2C bus master selector at address 0x74
17 with a NXP pca8574 GPIO expander attached.
18 */
19
20 arb@74 {
21 compatible = "nxp,pca9541";
22 reg = <0x74>;
23
24 i2c-arb {
25 #address-cells = <1>;
26 #size-cells = <0>;
27
28 gpio@38 {
29 compatible = "nxp,pca8574";
30 reg = <0x38>;
31 #gpio-cells = <2>;
32 gpio-controller;
33 };
34 };
35 };