From 2e9cce8fb1f577088e2b20ae2f461130e13ad190 Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Tue, 28 Nov 2017 11:02:14 +0100 Subject: dts: update to v4.15-rc1 Signed-off-by: Sascha Hauer --- dts/Bindings/power/supply/sbs,sbs-manager.txt | 66 +++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 dts/Bindings/power/supply/sbs,sbs-manager.txt (limited to 'dts/Bindings/power/supply') diff --git a/dts/Bindings/power/supply/sbs,sbs-manager.txt b/dts/Bindings/power/supply/sbs,sbs-manager.txt new file mode 100644 index 0000000000..4b2195571a --- /dev/null +++ b/dts/Bindings/power/supply/sbs,sbs-manager.txt @@ -0,0 +1,66 @@ +Binding for sbs-manager + +Required properties: +- compatible: ",", "sbs,sbs-charger" as fallback. The part + number compatible string might be used in order to take care of vendor + specific registers. +- reg: integer, i2c address of the device. Should be <0xa>. +Optional properties: +- gpio-controller: Marks the port as GPIO controller. + See "gpio-specifier" in .../devicetree/bindings/gpio/gpio.txt. +- #gpio-cells: Should be <2>. The first cell is the pin number, the second cell + is used to specify optional parameters: + See "gpio-specifier" in .../devicetree/bindings/gpio/gpio.txt. + +From OS view the device is basically an i2c-mux used to communicate with up to +four smart battery devices at address 0xb. The driver actually implements this +behaviour. So standard i2c-mux nodes can be used to register up to four slave +batteries. Channels will be numerated starting from 1 to 4. + +Example: + +batman@a { + compatible = "lltc,ltc1760", "sbs,sbs-manager"; + reg = <0x0a>; + #address-cells = <1>; + #size-cells = <0>; + + gpio-controller; + #gpio-cells = <2>; + + i2c@1 { + #address-cells = <1>; + #size-cells = <0>; + reg = <1>; + + battery@b { + compatible = "ti,bq2060", "sbs,sbs-battery"; + reg = <0x0b>; + sbs,battery-detect-gpios = <&batman 1 1>; + }; + }; + + i2c@2 { + #address-cells = <1>; + #size-cells = <0>; + reg = <2>; + + battery@b { + compatible = "ti,bq2060", "sbs,sbs-battery"; + reg = <0x0b>; + sbs,battery-detect-gpios = <&batman 2 1>; + }; + }; + + i2c@3 { + #address-cells = <1>; + #size-cells = <0>; + reg = <3>; + + battery@b { + compatible = "ti,bq2060", "sbs,sbs-battery"; + reg = <0x0b>; + sbs,battery-detect-gpios = <&batman 3 1>; + }; + }; +}; -- cgit v1.2.3