xref: /linux/Documentation/devicetree/bindings/nvmem/qcom,sec-qfprom.yaml (revision 223981db9bafb80f558162c148f261e2ff043dbe) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/nvmem/qcom,sec-qfprom.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Qualcomm Technologies Inc, Secure QFPROM Efuse
8
9maintainers:
10  - Komal Bajaj <quic_kbajaj@quicinc.com>
11
12description:
13  For some of the Qualcomm SoC's, it is possible that the qfprom region is
14  protected from non-secure access. In such situations, the OS have to use
15  secure calls to read the region.
16
17allOf:
18  - $ref: nvmem.yaml#
19  - $ref: nvmem-deprecated-cells.yaml#
20
21properties:
22  compatible:
23    items:
24      - enum:
25          - qcom,qdu1000-sec-qfprom
26      - const: qcom,sec-qfprom
27
28  reg:
29    items:
30      - description: The secure qfprom corrected region.
31
32required:
33  - compatible
34  - reg
35
36unevaluatedProperties: false
37
38examples:
39  - |
40    soc {
41      #address-cells = <2>;
42      #size-cells = <2>;
43
44      efuse@221c8000 {
45        compatible = "qcom,qdu1000-sec-qfprom", "qcom,sec-qfprom";
46        reg = <0 0x221c8000 0 0x1000>;
47        #address-cells = <1>;
48        #size-cells = <1>;
49
50        multi_chan_ddr: multi-chan-ddr@12b {
51          reg = <0x12b 0x1>;
52          bits = <0 2>;
53        };
54      };
55    };
56
57