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1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/nvmem/qcom,qfprom.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Qualcomm Technologies Inc, QFPROM Efuse bindings
8
9maintainers:
10  - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
11
12allOf:
13  - $ref: "nvmem.yaml#"
14
15properties:
16  compatible:
17    const: qcom,qfprom
18
19  reg:
20    # If the QFPROM is read-only OS image then only the corrected region
21    # needs to be provided.  If the QFPROM is writable then all 4 regions
22    # must be provided.
23    oneOf:
24      - items:
25          - description: The corrected region.
26      - items:
27          - description: The corrected region.
28          - description: The raw region.
29          - description: The config region.
30          - description: The security control region.
31
32  # Clock must be provided if QFPROM is writable from the OS image.
33  clocks:
34    maxItems: 1
35  clock-names:
36    const: core
37
38  # Supply reference must be provided if QFPROM is writable from the OS image.
39  vcc-supply:
40    description: Our power supply.
41
42  # Needed if any child nodes are present.
43  "#address-cells":
44    const: 1
45  "#size-cells":
46    const: 1
47
48required:
49  - compatible
50  - reg
51
52unevaluatedProperties: false
53
54examples:
55  - |
56    #include <dt-bindings/clock/qcom,gcc-sc7180.h>
57
58    soc {
59      #address-cells = <2>;
60      #size-cells = <2>;
61
62      efuse@784000 {
63        compatible = "qcom,qfprom";
64        reg = <0 0x00784000 0 0x8ff>,
65              <0 0x00780000 0 0x7a0>,
66              <0 0x00782000 0 0x100>,
67              <0 0x00786000 0 0x1fff>;
68        clocks = <&gcc GCC_SEC_CTRL_CLK_SRC>;
69        clock-names = "core";
70        #address-cells = <1>;
71        #size-cells = <1>;
72
73        vcc-supply = <&vreg_l11a_1p8>;
74
75        hstx-trim-primary@25b {
76          reg = <0x25b 0x1>;
77          bits = <1 3>;
78        };
79      };
80    };
81
82  - |
83    soc {
84      #address-cells = <2>;
85      #size-cells = <2>;
86
87      efuse@784000 {
88        compatible = "qcom,qfprom";
89        reg = <0 0x00784000 0 0x8ff>;
90        #address-cells = <1>;
91        #size-cells = <1>;
92
93        hstx-trim-primary@1eb {
94          reg = <0x1eb 0x1>;
95          bits = <1 4>;
96        };
97      };
98    };
99