This patch add a generic w1 bindings document that merely describes how slave deviceses are grouped under master nodes. It also adds a specific binding for the ds2760 battery monitor.
Signed-off-by: Daniel Mack <[email protected]> --- .../devicetree/bindings/w1/w1-ds2760.txt | 9 +++++++++ .../devicetree/bindings/w1/w1-gpio.txt | 6 ++++++ Documentation/devicetree/bindings/w1/w1.txt | 17 +++++++++++++++++ 3 files changed, 32 insertions(+) create mode 100644 Documentation/devicetree/bindings/w1/w1-ds2760.txt create mode 100644 Documentation/devicetree/bindings/w1/w1.txt diff --git a/Documentation/devicetree/bindings/w1/w1-ds2760.txt b/Documentation/devicetree/bindings/w1/w1-ds2760.txt new file mode 100644 index 000000000000..86a0f4c573eb --- /dev/null +++ b/Documentation/devicetree/bindings/w1/w1-ds2760.txt @@ -0,0 +1,9 @@ +Devicetree bindings for Maxim DS2760 +==================================== + +The ds2760 is a w1 slave device and must hence have its sub-node in DT +under a w1 bus master node. + +Required properties: +- compatible: must be "maxim,ds2760-w1" + diff --git a/Documentation/devicetree/bindings/w1/w1-gpio.txt b/Documentation/devicetree/bindings/w1/w1-gpio.txt index 6e09c35d9f1a..a3e0e964b260 100644 --- a/Documentation/devicetree/bindings/w1/w1-gpio.txt +++ b/Documentation/devicetree/bindings/w1/w1-gpio.txt @@ -13,10 +13,16 @@ Optional properties: - linux,open-drain: if specified, the data pin is considered in open-drain mode. +Also refer to the generic w1.txt document. + Examples: onewire@0 { compatible = "w1-gpio"; gpios = <&gpio 126 0>, <&gpio 105 0>; + + slave@0 { + compatible = "maxim,w1-ds2760"; + }; }; diff --git a/Documentation/devicetree/bindings/w1/w1.txt b/Documentation/devicetree/bindings/w1/w1.txt new file mode 100644 index 000000000000..504adf7c7352 --- /dev/null +++ b/Documentation/devicetree/bindings/w1/w1.txt @@ -0,0 +1,17 @@ +Generic devicetree bindings for onewire (w1) busses +=================================================== + +Onewire busses are described through nodes of their master bus controller. +Slave devices are listed as sub-nodes of such master devices. + +Example: + + onewire { + compatible = "w1-gpio"; + gpios = <&gpio 0 GPIO_ACTIVE_HIGH>; + + w1_slave: slave@0 { + compatible = "maxim,w1-ds2760"; + }; + }; + -- 2.17.1
