[PATCH v2 2/2] Bindings documentation for ISSI is31fl319x driver
From: H. Nikolaus Schaller <hidden>
Date: 2016-07-06 10:03:07
Also in:
linux-leds, lkml
Subsystem:
led subsystem, open firmware and flattened device tree bindings, the rest · Maintainers:
Lee Jones, Pavel Machek, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Signed-off-by: H. Nikolaus Schaller <redacted> --- .../devicetree/bindings/leds/is31fl319x.txt | 52 ++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 Documentation/devicetree/bindings/leds/is31fl319x.txt
diff --git a/Documentation/devicetree/bindings/leds/is31fl319x.txt b/Documentation/devicetree/bindings/leds/is31fl319x.txt
new file mode 100644
index 0000000..065e78c
--- /dev/null
+++ b/Documentation/devicetree/bindings/leds/is31fl319x.txt@@ -0,0 +1,52 @@ +LEDs connected to is31fl319x LED controller chip + +Required properties: +- compatible : Should be any of + "issi,is31fl3190" + "issi,is31fl3191" + "issi,is31fl3193" + "issi,is31fl3196" + "issi,is31fl3199" + "si-en,sn3199". +- #address-cells: Must be 1. +- #size-cells: Must be 0. +- reg: 0x64, 0x65, 0x66, 0x67. + +Optional properties: +- led-max-microamp : See Documentation/devicetree/bindings/leds/common.txt. + Valid values: 5000 - 40000, step by 5000 (rounded down) + Default: 20000 (20 mA) +- audio-gain-db : audio gain selection for external analog modulation input. + Valid values: 0 - 21, step by 3 (rounded down) + Default: 0 + +Each led is represented as a sub-node of the issi,is31fl319x device. +There can be less leds subnodes than the chip can support but not more. + +LED sub-node properties: +- label : (optional) see Documentation/devicetree/bindings/leds/common.txt. +- reg : number of LED line + Valid values: 1 - number of leds supported by the chip variant. +- linux,default-trigger : (optional) + see Documentation/devicetree/bindings/leds/common.txt. + +Examples: + +fancy_leds: leds@65 { + compatible = "issi,is31fl3196"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x65>; + + red_aux: led@1 { + label = "red:aux"; + reg = <1>; + }; + + green_power: led@5 { + label = "green:power"; + reg = <5>; + linux,default-trigger = "default-on"; + }; +}; +
--
2.7.3
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