xref: /linux/Documentation/devicetree/bindings/rtc/nxp,pcf8523.yaml (revision 0ea5c948cb64bab5bc7a5516774eb8536f05aa0d)
1*539cbe1bSFabio Estevam# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2*539cbe1bSFabio Estevam%YAML 1.2
3*539cbe1bSFabio Estevam---
4*539cbe1bSFabio Estevam$id: http://devicetree.org/schemas/rtc/nxp,pcf8523.yaml#
5*539cbe1bSFabio Estevam$schema: http://devicetree.org/meta-schemas/core.yaml#
6*539cbe1bSFabio Estevam
7*539cbe1bSFabio Estevamtitle: NXP PCF8523 Real Time Clock
8*539cbe1bSFabio Estevam
9*539cbe1bSFabio Estevammaintainers:
10*539cbe1bSFabio Estevam  - Sam Ravnborg <sam@ravnborg.org>
11*539cbe1bSFabio Estevam
12*539cbe1bSFabio EstevamallOf:
13*539cbe1bSFabio Estevam  - $ref: rtc.yaml#
14*539cbe1bSFabio Estevam
15*539cbe1bSFabio Estevamproperties:
16*539cbe1bSFabio Estevam  compatible:
17*539cbe1bSFabio Estevam    const: nxp,pcf8523
18*539cbe1bSFabio Estevam
19*539cbe1bSFabio Estevam  reg:
20*539cbe1bSFabio Estevam    maxItems: 1
21*539cbe1bSFabio Estevam
22*539cbe1bSFabio Estevam  quartz-load-femtofarads:
23*539cbe1bSFabio Estevam    description:
24*539cbe1bSFabio Estevam      The capacitive load of the crystal, expressed in femto Farad (fF).
25*539cbe1bSFabio Estevam    enum: [ 7000, 12500 ]
26*539cbe1bSFabio Estevam    default: 12500
27*539cbe1bSFabio Estevam
28*539cbe1bSFabio Estevamrequired:
29*539cbe1bSFabio Estevam  - compatible
30*539cbe1bSFabio Estevam  - reg
31*539cbe1bSFabio Estevam
32*539cbe1bSFabio EstevamunevaluatedProperties: false
33*539cbe1bSFabio Estevam
34*539cbe1bSFabio Estevamexamples:
35*539cbe1bSFabio Estevam  - |
36*539cbe1bSFabio Estevam    i2c {
37*539cbe1bSFabio Estevam        #address-cells = <1>;
38*539cbe1bSFabio Estevam        #size-cells = <0>;
39*539cbe1bSFabio Estevam
40*539cbe1bSFabio Estevam        rtc@68 {
41*539cbe1bSFabio Estevam            compatible = "nxp,pcf8523";
42*539cbe1bSFabio Estevam            reg = <0x68>;
43*539cbe1bSFabio Estevam            quartz-load-femtofarads = <7000>;
44*539cbe1bSFabio Estevam        };
45*539cbe1bSFabio Estevam    };
46