| Message ID | 1592908737-7068-1-git-send-email-akashast@codeaurora.org (mailing list archive) |
|---|---|
| Headers | show |
| Series | Add interconnect support to QSPI and QUP drivers | expand |
On Tue 23 Jun 03:38 PDT 2020, Akash Asthana wrote: > This patch series is based on tag "next-20200622" of linux-next tree. > Series applied to the qcom tree, thank you and thanks for the Acks. Regards, Bjorn > High level design: > - QUP wrapper/common driver. > Vote for QUP core on behalf of earlycon from probe. > Remove BW vote during earlycon exit call > > - SERIAL driver. > Vote only for CPU/CORE path because driver is in FIFO mode only > Vote/unvote from qcom_geni_serial_pm func. > Bump up the CPU vote from set_termios call based on real time need > > - I2C driver. > Vote for CORE/CPU/DDR path > Vote/unvote from runtime resume/suspend callback > As bus speed for I2C is fixed from probe itself no need for bump up. > > - SPI QUP driver. > Vote only for CPU/CORE path because driver is in FIFO mode only > Vote/unvote from runtime resume/suspend callback > Bump up CPU vote based on real time need per transfer. > > - QSPI driver. > Vote only for CPU path > Vote/unvote from runtime resume/suspend callback > Bump up CPU vote based on real time need per transfer. > > Changes in V2: > - Add devm_of_icc_get() API interconnect core. > - Add ICC support to common driver to fix earlyconsole crash. > > Changes in V3: > - Define common ICC APIs in geni-se driver and use it across geni based > I2C,SPI and UART driver. > > Changes in V4: > - Add a patch to ICC core to scale peak requirement > as twice of average if it is not mentioned explicilty. > > Changes in V5: > - As per Georgi's suggestion removed patch from ICC core for assuming > peak_bw as twice of average when it's not mentioned, instead assume it > equall to avg_bw and keep this assumption in ICC client itself. > - As per Matthias suggestion use enum for GENI QUP ICC paths. > > Changes in V6: > - No Major change > > Changes in V7: > - As per Matthias's comment removed usage of peak_bw variable because we don't > have explicit peak requirement, we were voting peak = avg and this can be > tracked using single variable for avg bw. > - As per Matthias's comment improved print log. > > Changes in V8: > - Add [PATCH V8 5/8] to factor out common code for clock setting. > - Combine ICC voting and clock setting to single API. [PATCH V8 6/8] > - Add ICC voting per transfer because in case of multi message, > transfer frequency can vary for each message/transfer.[PATCH V8 6/8] > > Akash Asthana (7): > soc: qcom: geni: Support for ICC voting > soc: qcom-geni-se: Add interconnect support to fix earlycon crash > i2c: i2c-qcom-geni: Add interconnect support > tty: serial: qcom_geni_serial: Add interconnect support > spi: spi-geni-qcom: Add interconnect support > spi: spi-qcom-qspi: Add interconnect support > arm64: dts: sc7180: Add interconnect for QUP and QSPI > > Douglas Anderson (1): > spi: spi-geni-qcom: Combine the clock setting code > > arch/arm64/boot/dts/qcom/sc7180.dtsi | 127 ++++++++++++++++++++++++++++ > drivers/i2c/busses/i2c-qcom-geni.c | 26 +++++- > drivers/soc/qcom/qcom-geni-se.c | 150 ++++++++++++++++++++++++++++++++++ > drivers/spi/spi-geni-qcom.c | 100 +++++++++++++++-------- > drivers/spi/spi-qcom-qspi.c | 56 ++++++++++++- > drivers/tty/serial/qcom_geni_serial.c | 38 ++++++++- > include/linux/qcom-geni-se.h | 40 +++++++++ > 7 files changed, 496 insertions(+), 41 deletions(-) > > -- > The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,\na Linux Foundation Collaborative Project >