This patchset adds support to basic version of Qualcomm NGD SLIMBus controller driver found SoCs from B family. This controller is light-weight SLIMBus controller driver responsible for communicating with slave HW directly over the bus using messaging interface, and communicating with master component residing on ADSP for bandwidth and data-channel management. Some parts fot the work is derived from Qualcomm downstream kernels and intial work from Karthikeyan Ramasubramanian <kramasub@xxxxxxxxxxxxxx> and Sagar Dharia <sdharia@xxxxxxxxxxxxxx> Tested this patchset with v4.18-rc1 on DB820c with WCD9335 codec for playback and Craig tested on msm8974 with wcd9320 codec for register read/writes. I have pushed my working branch to [1] incase someone want to try. [1]:https://git.linaro.org/people/srinivas.kandagatla/linux.git/log/?h=slimbus-ngd Changes since v4: - Moved all dependency patches to this patchset. - replaced slim_prepare_txn with slim_alloc/free_txn_tid() - fixed runtime pm issue for ngd device. Srinivas Kandagatla (5): slimbus: core: add of_slim_device_get() helper slimbus: core: rearrange slim_eaddr structure slimbus: messaging: add slim_alloc/free_txn_tid() slimbus: ngd: dt-bindings: Add slim ngd dt bindings slimbus: ngd: Add qcom SLIMBus NGD driver .../bindings/slimbus/slim-ngd-qcom-ctrl.txt | 84 ++ drivers/slimbus/Kconfig | 11 + drivers/slimbus/Makefile | 3 + drivers/slimbus/core.c | 39 + drivers/slimbus/messaging.c | 74 +- drivers/slimbus/qcom-ngd-ctrl.c | 1381 ++++++++++++++++++++ drivers/slimbus/slimbus.h | 10 + include/linux/slimbus.h | 14 +- 8 files changed, 1588 insertions(+), 28 deletions(-) create mode 100644 Documentation/devicetree/bindings/slimbus/slim-ngd-qcom-ctrl.txt create mode 100644 drivers/slimbus/qcom-ngd-ctrl.c -- 2.16.2 -- To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
