[v6,1/2] dt-bindings: nvmem: sec-qfprom: Add bindings for secure qfprom
Commit Message
This patch adds bindings for secure qfprom found in QCOM SOCs.
Secure QFPROM driver is based on simple nvmem framework.
Signed-off-by: Komal Bajaj <quic_kbajaj@quicinc.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
.../bindings/nvmem/qcom,sec-qfprom.yaml | 55 +++++++++++++++++++
1 file changed, 55 insertions(+)
create mode 100644 Documentation/devicetree/bindings/nvmem/qcom,sec-qfprom.yaml
--
2.41.0
new file mode 100644
@@ -0,0 +1,55 @@
+# 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>;
+ };
+ };
+ };
+