Book a Demo!
CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutPoliciesSign UpSign In
freebsd
GitHub Repository: freebsd/freebsd-src
 Path: blob/main/sys/contrib/device-tree/Bindings/fuse/renesas,rcar-efuse.yaml
48377 views
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
    };

56


57