1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/fuse/renesas,rcar-efuse.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: R-Car E-FUSE connected to PFC
8
9 maintainers:
10 - Geert Uytterhoeven <geert+renesas@glider.be>
11
12 description:
13 The E-FUSE is a type of non-volatile memory, which is accessible through the
14 Pin Function Controller (PFC) on some R-Car Gen4 SoCs.
15
16 properties:
17 compatible:
18 enum:
19 - renesas,r8a779a0-efuse # R-Car V3U
20 - renesas,r8a779f0-efuse # R-Car S4-8
21
22 reg:
23 maxItems: 1
24 description: PFC System Group Fuse Control and Monitor register block
25
26 clocks:
27 maxItems: 1
28
29 power-domains:
30 maxItems: 1
31
32 resets:
33 maxItems: 1
34
35 required:
36 - compatible
37 - reg
38 - clocks
39 - power-domains
40 - resets
41
42 additionalProperties: false
43
44 examples:
45 - |
46 #include <dt-bindings/clock/r8a779a0-cpg-mssr.h>
47 #include <dt-bindings/power/r8a779a0-sysc.h>
48
49 fuse: fuse@e6078800 {
50 compatible = "renesas,r8a779a0-efuse";
51 reg = <0xe6078800 0x100>;
52 clocks = <&cpg CPG_MOD 916>;
53 power-domains = <&sysc R8A779A0_PD_ALWAYS_ON>;
54 resets = <&cpg 916>;
55 };
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