leds/backlight/lm3630a-backlight.yaml

1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/leds/backlight/lm3630a-backlight.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: TI LM3630A High-Efficiency Dual-String White LED
10   - Lee Jones <lee@kernel.org>
11   - Daniel Thompson <daniel.thompson@linaro.org>
12   - Jingoo Han <jingoohan1@gmail.com>
15   The LM3630A is a current-mode boost converter which supplies the power and
26   '#address-cells':
29   '#size-cells':
32   enable-gpios:
37   - compatible
38   - reg
39   - '#address-cells'
40   - '#size-cells'
43   "^led@[01]$":
55           both sinks with the led-sources property.
62       led-sources:
64           - minItems: 1
70       default-brightness:
75       max-brightness:
80       ti,linear-mapping-mode:
82           Enable linear mapping mode. If disabled, then it will use exponential
83           mapping mode in which the ramp up/down appears to have a more uniform
88       - reg
95   - |
96     #include <dt-bindings/gpio/gpio.h>
98         #address-cells = <1>;
99         #size-cells = <0>;
101         led-controller@38 {
104                 enable-gpios = <&gpio2 5 GPIO_ACTIVE_HIGH>;
106                 #address-cells = <1>;
107                 #size-cells = <0>;
109                 led@0 {
111                         led-sources = <0 1>;
112                         label = "lcd-backlight";
113                         default-brightness = <200>;
114                         max-brightness = <255>;
118   - |
120         #address-cells = <1>;
121         #size-cells = <0>;
123         led-controller@38 {
127                 #address-cells = <1>;
128                 #size-cells = <0>;
130                 led@0 {
132                         default-brightness = <150>;
133                         ti,linear-mapping-mode;
136                 led@1 {
138                         default-brightness = <225>;
139                         ti,linear-mapping-mode;