tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/nvmem/renesas,rcar-efuse.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: R-Car E-FUSE connected to PFC
8
9maintainers:
10 - Geert Uytterhoeven <geert+renesas@glider.be>
11
12description:
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
16allOf:
17 - $ref: nvmem.yaml#
18
19properties:
20 compatible:
21 enum:
22 - renesas,r8a779a0-efuse # R-Car V3U
23 - renesas,r8a779f0-efuse # R-Car S4-8
24
25 reg:
26 maxItems: 1
27 description: PFC System Group Fuse Control and Monitor register block
28
29 clocks:
30 maxItems: 1
31
32 power-domains:
33 maxItems: 1
34
35 resets:
36 maxItems: 1
37
38required:
39 - compatible
40 - reg
41 - clocks
42 - power-domains
43 - resets
44
45unevaluatedProperties: false
46
47examples:
48 - |
49 #include <dt-bindings/clock/r8a779f0-cpg-mssr.h>
50 #include <dt-bindings/power/r8a779f0-sysc.h>
51
52 fuse@e6078800 {
53 compatible = "renesas,r8a779f0-efuse";
54 reg = <0xe6078800 0x200>;
55 clocks = <&cpg CPG_MOD 915>;
56 power-domains = <&sysc R8A779F0_PD_ALWAYS_ON>;
57 resets = <&cpg 915>;
58
59 nvmem-layout {
60 compatible = "fixed-layout";
61 #address-cells = <1>;
62 #size-cells = <1>;
63
64 calib@144 {
65 reg = <0x144 0x08>;
66 };
67 };
68 };