xref: /freebsd/sys/contrib/device-tree/Bindings/hwmon/pmbus/ti,ucd90320.yaml (revision c66ec88fed842fbaad62c30d510644ceb7bd2d71)
1*c66ec88fSEmmanuel Vadot# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2*c66ec88fSEmmanuel Vadot%YAML 1.2
3*c66ec88fSEmmanuel Vadot---
4*c66ec88fSEmmanuel Vadot
5*c66ec88fSEmmanuel Vadot$id: http://devicetree.org/schemas/hwmon/pmbus/ti,ucd90320.yaml#
6*c66ec88fSEmmanuel Vadot$schema: http://devicetree.org/meta-schemas/core.yaml#
7*c66ec88fSEmmanuel Vadot
8*c66ec88fSEmmanuel Vadottitle: UCD90320 power sequencer
9*c66ec88fSEmmanuel Vadot
10*c66ec88fSEmmanuel Vadotmaintainers:
11*c66ec88fSEmmanuel Vadot  - Jim Wright <wrightj@linux.vnet.ibm.com>
12*c66ec88fSEmmanuel Vadot
13*c66ec88fSEmmanuel Vadotdescription: |
14*c66ec88fSEmmanuel Vadot  The UCD90320 is a 32-rail PMBus/I2C addressable power-supply sequencer and
15*c66ec88fSEmmanuel Vadot  monitor. The 24 integrated ADC channels (AMONx) monitor the power supply
16*c66ec88fSEmmanuel Vadot  voltage, current, and temperature. Of the 84 GPIO pins, 8 can be used as
17*c66ec88fSEmmanuel Vadot  digital monitors (DMONx), 32 to enable the power supply (ENx), 24 for
18*c66ec88fSEmmanuel Vadot  margining (MARx), 16 for logical GPO, and 32 GPIs for cascading, and system
19*c66ec88fSEmmanuel Vadot  function.
20*c66ec88fSEmmanuel Vadot
21*c66ec88fSEmmanuel Vadot  http://focus.ti.com/lit/ds/symlink/ucd90320.pdf
22*c66ec88fSEmmanuel Vadot
23*c66ec88fSEmmanuel Vadotproperties:
24*c66ec88fSEmmanuel Vadot  compatible:
25*c66ec88fSEmmanuel Vadot    enum:
26*c66ec88fSEmmanuel Vadot      - ti,ucd90320
27*c66ec88fSEmmanuel Vadot
28*c66ec88fSEmmanuel Vadot  reg:
29*c66ec88fSEmmanuel Vadot    maxItems: 1
30*c66ec88fSEmmanuel Vadot
31*c66ec88fSEmmanuel Vadotrequired:
32*c66ec88fSEmmanuel Vadot  - compatible
33*c66ec88fSEmmanuel Vadot  - reg
34*c66ec88fSEmmanuel Vadot
35*c66ec88fSEmmanuel VadotadditionalProperties: false
36*c66ec88fSEmmanuel Vadot
37*c66ec88fSEmmanuel Vadotexamples:
38*c66ec88fSEmmanuel Vadot  - |
39*c66ec88fSEmmanuel Vadot    i2c {
40*c66ec88fSEmmanuel Vadot        #address-cells = <1>;
41*c66ec88fSEmmanuel Vadot        #size-cells = <0>;
42*c66ec88fSEmmanuel Vadot
43*c66ec88fSEmmanuel Vadot        ucd90320@11 {
44*c66ec88fSEmmanuel Vadot            compatible = "ti,ucd90320";
45*c66ec88fSEmmanuel Vadot            reg = <0x11>;
46*c66ec88fSEmmanuel Vadot        };
47*c66ec88fSEmmanuel Vadot    };
48