18c2ecf20Sopenharmony_ciLEDs connected to Spreadtrum SC27XX PMIC breathing light controller
28c2ecf20Sopenharmony_ci
38c2ecf20Sopenharmony_ciThe SC27xx breathing light controller supports to 3 outputs:
48c2ecf20Sopenharmony_cired LED, green LED and blue LED. Each LED can work at normal
58c2ecf20Sopenharmony_ciPWM mode or breath light mode.
68c2ecf20Sopenharmony_ci
78c2ecf20Sopenharmony_ciRequired properties:
88c2ecf20Sopenharmony_ci- compatible: Should be "sprd,sc2731-bltc".
98c2ecf20Sopenharmony_ci- #address-cells: Must be 1.
108c2ecf20Sopenharmony_ci- #size-cells: Must be 0.
118c2ecf20Sopenharmony_ci- reg: Specify the controller address.
128c2ecf20Sopenharmony_ci
138c2ecf20Sopenharmony_ciRequired child properties:
148c2ecf20Sopenharmony_ci- reg: Port this LED is connected to.
158c2ecf20Sopenharmony_ci
168c2ecf20Sopenharmony_ciOptional child properties:
178c2ecf20Sopenharmony_ci- function: See Documentation/devicetree/bindings/leds/common.txt.
188c2ecf20Sopenharmony_ci- color: See Documentation/devicetree/bindings/leds/common.txt.
198c2ecf20Sopenharmony_ci- label: See Documentation/devicetree/bindings/leds/common.txt (deprecated).
208c2ecf20Sopenharmony_ci
218c2ecf20Sopenharmony_ciExamples:
228c2ecf20Sopenharmony_ci
238c2ecf20Sopenharmony_ciled-controller@200 {
248c2ecf20Sopenharmony_ci	compatible = "sprd,sc2731-bltc";
258c2ecf20Sopenharmony_ci	#address-cells = <1>;
268c2ecf20Sopenharmony_ci	#size-cells = <0>;
278c2ecf20Sopenharmony_ci	reg = <0x200>;
288c2ecf20Sopenharmony_ci
298c2ecf20Sopenharmony_ci	led@0 {
308c2ecf20Sopenharmony_ci		color = <LED_COLOR_ID_RED>;
318c2ecf20Sopenharmony_ci		reg = <0x0>;
328c2ecf20Sopenharmony_ci	};
338c2ecf20Sopenharmony_ci
348c2ecf20Sopenharmony_ci	led@1 {
358c2ecf20Sopenharmony_ci		color = <LED_COLOR_ID_GREEN>;
368c2ecf20Sopenharmony_ci		reg = <0x1>;
378c2ecf20Sopenharmony_ci	};
388c2ecf20Sopenharmony_ci
398c2ecf20Sopenharmony_ci	led@2 {
408c2ecf20Sopenharmony_ci		color = <LED_COLOR_ID_BLUE>;
418c2ecf20Sopenharmony_ci		reg = <0x2>;
428c2ecf20Sopenharmony_ci	};
438c2ecf20Sopenharmony_ci};
44