Add support for IPQ5018 Bluetooth#1006
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…roller Document the Qualcomm IPQ5018 Bluetooth controller. Signed-off-by: George Moussalem <george.moussalem@outlook.com>
Add the IPQ5018 SoC type and support for loading its firmware. The firmware tested has been taken from GPL sources of various router boards. Firmware files needed are: - qca/bt_fw_patch.mbn - qca/mpnv10.bin Signed-off-by: George Moussalem <george.moussalem@outlook.com>
The Bluetooth subsystem (BTSS) on the IPQ5018 SoC supports setting power modes which are required to be configured through a Secure Channel Manager (SCM) call to TrustZone. However, not all Trusted Execution Environment (QSEE) images support this call, so first check if the call is available. Signed-off-by: George Moussalem <george.moussalem@outlook.com>
Add support for the Bluetooth controller found in the IPQ5018 SoC. This driver implements firmware loading and the transport layer between the HCI core and the Bluetooth controller. The firmware is loaded by the host into the dedicated reserved memory carveout and authenticated by TrustZone. A Secure Channel Manager (SCM) call safely brings the peripheral core out of reset. A shared memory ring buffer topology handles runtime data frame transport between the host APSS and the controller. An outgoing APCS IPC bit and an incoming GIC interrupt handle host/guest signaling. Signed-off-by: George Moussalem <george.moussalem@outlook.com>
Add nodes for the reserved memory carveout and Bluetooth. Signed-off-by: George Moussalem <george.moussalem@outlook.com>
Add maintainers entry for Qualcomm IPQ5018 Bluetooth driver. Signed-off-by: George Moussalem <george.moussalem@outlook.com>
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Pull request for series with
subject: Add support for IPQ5018 Bluetooth
version: 1
url: https://patchwork.kernel.org/project/linux-block/list/?series=1116586