xref: /linux/Documentation/devicetree/bindings/nvmem/qcom,qfprom.yaml (revision d53b8e36925256097a08d7cb749198d85cbf9b2b) 
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
8
9maintainers:
10  - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
11
12allOf:
13  - $ref: nvmem.yaml#
14  - $ref: nvmem-deprecated-cells.yaml#
15
16properties:
17  compatible:
18    items:
19      - enum:
20          - qcom,apq8064-qfprom
21          - qcom,apq8084-qfprom
22          - qcom,ipq5332-qfprom
23          - qcom,ipq6018-qfprom
24          - qcom,ipq8064-qfprom
25          - qcom,ipq8074-qfprom
26          - qcom,ipq9574-qfprom
27          - qcom,msm8226-qfprom
28          - qcom,msm8916-qfprom
29          - qcom,msm8974-qfprom
30          - qcom,msm8976-qfprom
31          - qcom,msm8996-qfprom
32          - qcom,msm8998-qfprom
33          - qcom,qcm2290-qfprom
34          - qcom,qcs404-qfprom
35          - qcom,sc7180-qfprom
36          - qcom,sc7280-qfprom
37          - qcom,sc8280xp-qfprom
38          - qcom,sdm630-qfprom
39          - qcom,sdm670-qfprom
40          - qcom,sdm845-qfprom
41          - qcom,sm6115-qfprom
42          - qcom,sm6350-qfprom
43          - qcom,sm6375-qfprom
44          - qcom,sm8150-qfprom
45          - qcom,sm8250-qfprom
46          - qcom,sm8450-qfprom
47          - qcom,sm8550-qfprom
48          - qcom,sm8650-qfprom
49      - const: qcom,qfprom
50
51  reg:
52    # If the QFPROM is read-only OS image then only the corrected region
53    # needs to be provided.  If the QFPROM is writable then all 4 regions
54    # must be provided.
55    oneOf:
56      - items:
57          - description: The corrected region.
58      - items:
59          - description: The corrected region.
60          - description: The raw region.
61          - description: The config region.
62          - description: The security control region.
63
64  # Clock must be provided if QFPROM is writable from the OS image.
65  clocks:
66    maxItems: 1
67  clock-names:
68    const: core
69
70  # Supply reference must be provided if QFPROM is writable from the OS image.
71  vcc-supply:
72    description: Our power supply.
73
74  power-domains:
75    maxItems: 1
76
77required:
78  - compatible
79  - reg
80
81unevaluatedProperties: false
82
83examples:
84  - |
85    #include <dt-bindings/clock/qcom,gcc-sc7180.h>
86
87    soc {
88      #address-cells = <2>;
89      #size-cells = <2>;
90
91      efuse@784000 {
92        compatible = "qcom,sc7180-qfprom", "qcom,qfprom";
93        reg = <0 0x00784000 0 0x8ff>,
94              <0 0x00780000 0 0x7a0>,
95              <0 0x00782000 0 0x100>,
96              <0 0x00786000 0 0x1fff>;
97        clocks = <&gcc GCC_SEC_CTRL_CLK_SRC>;
98        clock-names = "core";
99        #address-cells = <1>;
100        #size-cells = <1>;
101
102        vcc-supply = <&vreg_l11a_1p8>;
103
104        hstx-trim-primary@25b {
105          reg = <0x25b 0x1>;
106          bits = <1 3>;
107        };
108      };
109    };
110
111  - |
112    soc {
113      #address-cells = <2>;
114      #size-cells = <2>;
115
116      efuse@784000 {
117        compatible = "qcom,sdm845-qfprom", "qcom,qfprom";
118        reg = <0 0x00784000 0 0x8ff>;
119        #address-cells = <1>;
120        #size-cells = <1>;
121
122        hstx-trim-primary@1eb {
123          reg = <0x1eb 0x1>;
124          bits = <1 4>;
125        };
126      };
127    };
128