| Message ID | 20230724082946.7441-2-quic_kbajaj@quicinc.com |
|---|---|
| State | Superseded, archived |
| Headers | show |
| Series | nvmem: sec-qfprom: Add Qualcomm secure QFPROM support | expand |
On 24/07/2023 10:29, Komal Bajaj wrote: > 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> > --- > .../bindings/nvmem/qcom,sec-qfprom.yaml | 58 +++++++++++++++++++ > 1 file changed, 58 insertions(+) > create mode 100644 Documentation/devicetree/bindings/nvmem/qcom,sec-qfprom.yaml > > diff --git a/Documentation/devicetree/bindings/nvmem/qcom,sec-qfprom.yaml b/Documentation/devicetree/bindings/nvmem/qcom,sec-qfprom.yaml > new file mode 100644 > index 000000000000..1425ced36fdf > --- /dev/null > +++ b/Documentation/devicetree/bindings/nvmem/qcom,sec-qfprom.yaml > @@ -0,0 +1,58 @@ > +# 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, linux will have to use secure calls Bindings are not for Linux, so: s/linux/software/ > + to read the region. > + > +allOf: > + - $ref: nvmem.yaml# > + With above: Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Best regards, Krzysztof
diff --git a/Documentation/devicetree/bindings/nvmem/qcom,sec-qfprom.yaml b/Documentation/devicetree/bindings/nvmem/qcom,sec-qfprom.yaml new file mode 100644 index 000000000000..1425ced36fdf --- /dev/null +++ b/Documentation/devicetree/bindings/nvmem/qcom,sec-qfprom.yaml @@ -0,0 +1,58 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$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, linux will 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: + - | + #include <dt-bindings/clock/qcom,gcc-sc7180.h> + + 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>; + }; + }; + }; +
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> --- .../bindings/nvmem/qcom,sec-qfprom.yaml | 58 +++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 Documentation/devicetree/bindings/nvmem/qcom,sec-qfprom.yaml -- 2.40.1