From: George Moussalem <[email protected]> Document the M0 Bluetooth Subsystem remote processor core found in the Qualcomm IPQ5018 SoC. Firmware loaded is authenticated via TrustZone. The firmware running on the M0 core provides bluetooth functionality.
Signed-off-by: George Moussalem <[email protected]> --- .../bindings/remoteproc/qcom,m0-btss-pil.yaml | 72 ++++++++++++++++++++++ 1 file changed, 72 insertions(+) diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,m0-btss-pil.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,m0-btss-pil.yaml new file mode 100644 index 000000000000..397bb6815d71 --- /dev/null +++ b/Documentation/devicetree/bindings/remoteproc/qcom,m0-btss-pil.yaml @@ -0,0 +1,72 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/remoteproc/qcom,m0-btss-pil.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm M0 BTSS Peripheral Image Loader + +maintainers: + - George Moussalem <[email protected]> + +description: + Qualcomm M0 BTSS Peripheral Secure Image Loader loads firmware and powers up + the M0 BTSS remote processor core on the Qualcomm IPQ5018 SoC. + +properties: + compatible: + enum: + - qcom,ipq5018-btss-pil + + firmware-name: + maxItems: 1 + description: Firmware name for the M0 Bluetooth Subsystem core + + clocks: + items: + - description: M0 BTSS low power oscillator clock + + clock-names: + items: + - const: btss_lpo_clk + + memory-region: + items: + - description: M0 BTSS reserved memory carveout + + resets: + items: + - description: M0 BTSS reset + + reset-names: + items: + - const: btss_reset + +required: + - compatible + - firmware-name + - clocks + - clock-names + - resets + - reset-names + - memory-region + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/qcom,gcc-ipq5018.h> + #include <dt-bindings/reset/qcom,gcc-ipq5018.h> + + remoteproc { + compatible = "qcom,ipq5018-btss-pil"; + + firmware-name = "qca/bt_fw_patch.mbn"; + + clocks = <&gcc GCC_BTSS_LPO_CLK>; + clock-names = "btss_lpo_clk"; + resets = <&gcc GCC_BTSS_BCR>; + reset-names = "btss_reset"; + + memory-region = <&btss_region>; + }; -- 2.53.0
