Commit fcdc6d76 authored by Komal Bajaj's avatar Komal Bajaj Committed by Greg Kroah-Hartman
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dt-bindings: nvmem: sec-qfprom: Add bindings for secure qfprom 



This patch adds bindings for secure qfprom found in QCOM SOCs.
Secure QFPROM driver is based on simple nvmem framework.

Signed-off-by: default avatarKomal Bajaj <quic_kbajaj@quicinc.com>
Reviewed-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: default avatarSrinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20230823132744.350618-17-srinivas.kandagatla@linaro.org


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 9579064c

Documentation/devicetree/bindings/nvmem/qcom,sec-qfprom.yaml

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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

%YAML 1.2

---

$id: http://devicetree.org/schemas/nvmem/qcom,sec-qfprom.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#



title: Qualcomm Technologies Inc, Secure QFPROM Efuse



maintainers:

  - Komal Bajaj <quic_kbajaj@quicinc.com>



description:

  For some of the Qualcomm SoC's, it is possible that the qfprom region is

  protected from non-secure access. In such situations, the OS have to use

  secure calls to read the region.



allOf:

  - $ref: nvmem.yaml#



properties:

  compatible:

    items:

      - enum:

          - qcom,qdu1000-sec-qfprom

      - const: qcom,sec-qfprom



  reg:

    items:

      - description: The secure qfprom corrected region.



required:

  - compatible

  - reg



unevaluatedProperties: false



examples:

  - |

    soc {

      #address-cells = <2>;

      #size-cells = <2>;



      efuse@221c8000 {

        compatible = "qcom,qdu1000-sec-qfprom", "qcom,sec-qfprom";

        reg = <0 0x221c8000 0 0x1000>;

        #address-cells = <1>;

        #size-cells = <1>;



        multi_chan_ddr: multi-chan-ddr@12b {

          reg = <0x12b 0x1>;

          bits = <0 2>;

        };

      };

    };