xref: /freebsd/sys/contrib/device-tree/Bindings/mfd/lp3943.txt (revision c66ec88fed842fbaad62c30d510644ceb7bd2d71)
1*c66ec88fSEmmanuel VadotTI/National Semiconductor LP3943 MFD driver
2*c66ec88fSEmmanuel Vadot
3*c66ec88fSEmmanuel VadotRequired properties:
4*c66ec88fSEmmanuel Vadot  - compatible: "ti,lp3943"
5*c66ec88fSEmmanuel Vadot  - reg: I2C slave address. From 0x60 to 0x67.
6*c66ec88fSEmmanuel Vadot
7*c66ec88fSEmmanuel VadotLP3943 consists of two sub-devices, lp3943-gpio and lp3943-pwm.
8*c66ec88fSEmmanuel Vadot
9*c66ec88fSEmmanuel VadotFor the LP3943 GPIO properties please refer to:
10*c66ec88fSEmmanuel VadotDocumentation/devicetree/bindings/gpio/gpio-lp3943.txt
11*c66ec88fSEmmanuel Vadot
12*c66ec88fSEmmanuel VadotFor the LP3943 PWM properties please refer to:
13*c66ec88fSEmmanuel VadotDocumentation/devicetree/bindings/pwm/pwm-lp3943.txt
14*c66ec88fSEmmanuel Vadot
15*c66ec88fSEmmanuel VadotExample:
16*c66ec88fSEmmanuel Vadot
17*c66ec88fSEmmanuel Vadotlp3943@60 {
18*c66ec88fSEmmanuel Vadot	compatible = "ti,lp3943";
19*c66ec88fSEmmanuel Vadot	reg = <0x60>;
20*c66ec88fSEmmanuel Vadot
21*c66ec88fSEmmanuel Vadot	gpioex: gpio {
22*c66ec88fSEmmanuel Vadot		compatible = "ti,lp3943-gpio";
23*c66ec88fSEmmanuel Vadot		gpio-controller;
24*c66ec88fSEmmanuel Vadot		#gpio-cells = <2>;
25*c66ec88fSEmmanuel Vadot	};
26*c66ec88fSEmmanuel Vadot
27*c66ec88fSEmmanuel Vadot	pwm3943: pwm {
28*c66ec88fSEmmanuel Vadot		compatible = "ti,lp3943-pwm";
29*c66ec88fSEmmanuel Vadot		#pwm-cells = <2>;
30*c66ec88fSEmmanuel Vadot		ti,pwm0 = <8 9 10>;
31*c66ec88fSEmmanuel Vadot		ti,pwm1 = <15>;
32*c66ec88fSEmmanuel Vadot	};
33*c66ec88fSEmmanuel Vadot};
34