diff options
| author | Sascha Hauer <s.hauer@pengutronix.de> | 2016-10-18 10:10:24 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2016-10-18 10:10:24 +0200 |
| commit | bfbf18d991756858337f7700e8ff0a6f0dc31afc (patch) | |
| tree | cf3568de4fdff1891e277507f08f49a871682706 /dts/Bindings/i2c/i2c-arb.txt | |
| parent | 834f6bf5e5f1169065376ad1aeb6a6266e66ce5c (diff) | |
| download | barebox-bfbf18d991756858337f7700e8ff0a6f0dc31afc.tar.gz barebox-bfbf18d991756858337f7700e8ff0a6f0dc31afc.tar.xz | |
dts: update to v4.9-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/i2c/i2c-arb.txt')
| -rw-r--r-- | dts/Bindings/i2c/i2c-arb.txt | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/dts/Bindings/i2c/i2c-arb.txt b/dts/Bindings/i2c/i2c-arb.txt new file mode 100644 index 0000000000..59abf9277b --- /dev/null +++ b/dts/Bindings/i2c/i2c-arb.txt @@ -0,0 +1,35 @@ +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; + }; + }; + }; |