xref: /freebsd/sys/contrib/device-tree/Bindings/rtc/nxp,pcf8523.yaml (revision 84943d6f38e936ac3b7a3947ca26eeb27a39f938)
1*84943d6fSEmmanuel Vadot# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2*84943d6fSEmmanuel Vadot%YAML 1.2
3*84943d6fSEmmanuel Vadot---
4*84943d6fSEmmanuel Vadot$id: http://devicetree.org/schemas/rtc/nxp,pcf8523.yaml#
5*84943d6fSEmmanuel Vadot$schema: http://devicetree.org/meta-schemas/core.yaml#
6*84943d6fSEmmanuel Vadot
7*84943d6fSEmmanuel Vadottitle: NXP PCF8523 Real Time Clock
8*84943d6fSEmmanuel Vadot
9*84943d6fSEmmanuel Vadotmaintainers:
10*84943d6fSEmmanuel Vadot  - Sam Ravnborg <sam@ravnborg.org>
11*84943d6fSEmmanuel Vadot
12*84943d6fSEmmanuel VadotallOf:
13*84943d6fSEmmanuel Vadot  - $ref: rtc.yaml#
14*84943d6fSEmmanuel Vadot
15*84943d6fSEmmanuel Vadotproperties:
16*84943d6fSEmmanuel Vadot  compatible:
17*84943d6fSEmmanuel Vadot    const: nxp,pcf8523
18*84943d6fSEmmanuel Vadot
19*84943d6fSEmmanuel Vadot  reg:
20*84943d6fSEmmanuel Vadot    maxItems: 1
21*84943d6fSEmmanuel Vadot
22*84943d6fSEmmanuel Vadot  quartz-load-femtofarads:
23*84943d6fSEmmanuel Vadot    description:
24*84943d6fSEmmanuel Vadot      The capacitive load of the crystal, expressed in femto Farad (fF).
25*84943d6fSEmmanuel Vadot    enum: [ 7000, 12500 ]
26*84943d6fSEmmanuel Vadot    default: 12500
27*84943d6fSEmmanuel Vadot
28*84943d6fSEmmanuel Vadotrequired:
29*84943d6fSEmmanuel Vadot  - compatible
30*84943d6fSEmmanuel Vadot  - reg
31*84943d6fSEmmanuel Vadot
32*84943d6fSEmmanuel VadotunevaluatedProperties: false
33*84943d6fSEmmanuel Vadot
34*84943d6fSEmmanuel Vadotexamples:
35*84943d6fSEmmanuel Vadot  - |
36*84943d6fSEmmanuel Vadot    i2c {
37*84943d6fSEmmanuel Vadot        #address-cells = <1>;
38*84943d6fSEmmanuel Vadot        #size-cells = <0>;
39*84943d6fSEmmanuel Vadot
40*84943d6fSEmmanuel Vadot        rtc@68 {
41*84943d6fSEmmanuel Vadot            compatible = "nxp,pcf8523";
42*84943d6fSEmmanuel Vadot            reg = <0x68>;
43*84943d6fSEmmanuel Vadot            quartz-load-femtofarads = <7000>;
44*84943d6fSEmmanuel Vadot        };
45*84943d6fSEmmanuel Vadot    };
46