APPLIED/cmnt: [SRU v2][B/snapdragon] Initial support for Qualcomm Snapdragon 820 chipset
Kleber Souza
kleber.souza at canonical.com
Tue Jul 2 09:18:48 UTC 2019
On 6/21/19 4:05 PM, Paolo Pisati wrote:
> BugLink: https://bugs.launchpad.net/bugs/1832012
>
> Changes from V1:
>
> -backported qcom-qmp and qcom-qusb2 phy drivers from 5.2
> -msm regulator and pinctrl bugfixes from 5.2
> -fixed a qcom pcie "unbalanced pm" warning
>
> Impact:
>
> Although the Bionic/snapdragon kernel contains the BSP from the Qualcomm landing
> tree kernel[1], it didn't work on Snapdragon 820 based board (e.g. Qualcomm
> DB820C APQ8096).
>
> Fix:
>
> Import the necessary patches to make it boot on such a board (and clones), and
> fix as many bugs as possible.
>
> How to test:
>
> 1) put the board in fastboot mode[2]
> 2) generate a compatible boot.img:
>
> $ cat linux/arch/arm64/boot/Image.gz linux/arch/arm64/boot/dts/qcom/apq8096-db820c.dtb > Image.gz+dtb
> $ touch ramdisk
> $ python android/system/core/mkbootimg/mkbootimg.py --kernel Image.gz+dtb
> --ramdisk ramdisk --pagesize 4096 --base 0x80000000 --kernel_offset 0x8000
> --ramdisk_offset 0x1000000 --tags_offset 0x100 --cmdline
> 'console=ttyMSM0,115200n8 root=/dev/sda1 net.ifnames=0 init=/lib/systemd/systemd
> ro rootwait rng_core.default_quality=700 panic=-1 fixrtc earlyprintk
> earlycon=msm_serial_dm,0x75b0000' --output bionic-snapdragon-db820c-boot.img
>
> 3) boot the board using the generated boot.img:
>
> $ fastboot boot bionic-snapdragon-db820c-boot.img
>
> Regression potential:
>
> While i realize this pull request is pretty big (~90[3] patches), and with new
> code there's always a degree of regression potential, all patches (but the first
> one in the pull) came from Linus's upstream tree, and the only external one,
> came direclty from the qcom-lt 4.14 tree.
>
> Tested on db410c and db820c, proposing for Bionic/snapdragon.
>
> 1: https://git.linaro.org/landing-teams/working/qualcomm/kernel.git/log/?h=release/qcomlt-4.14
> 2: https://www.96boards.org/documentation/consumer/dragonboard/dragonboard820c/installation/board-recovery.md.html
> 3: while backporting fixes from 5.2 to Bionic, i decided to take a
> "clean pick" approach, so if a commit was sitting on a top of other patches and
> the backport wasn't trivial, i reversed all the local custom patches
> that get in the way, and then applied the entire upstream stack
>
> The following changes since commit ba256cf3be83139e52743efc717986daea388565:
>
> UBUNTU: Ubuntu-snapdragon-4.15.0-1056.60 (2019-06-14 19:09:39 +0200)
>
> are available in the git repository at:
>
> git://git.launchpad.net/~p-pisati/ubuntu/+source/linux 19592fed849af258995e7d573c1bc0c1b26fe198
>
> for you to fetch changes up to 19592fed849af258995e7d573c1bc0c1b26fe198:
>
> UBUNTU: fix missing modules (2019-06-20 12:12:23 +0000)
Applied to bionic/snapdragon branch, fixing the patches to add the BugLink
reference.
Thanks,
Kleber
>
> ----------------------------------------------------------------
> Axel Lin (1):
> regulator: qcom_spmi: Use regmap helpers for enable/disable/is_enabled callback
>
> Bjorn Andersson (7):
> scsi: ufs: Extract devfreq registration
> scsi: ufs: Use freq table with devfreq
> PCI: qcom: Fix error handling in runtime PM support
> PCI: qcom: Don't deassert reset GPIO during probe
> phy: qcom-qmp: Correct READY_STATUS poll break condition
> regulator: qcom-smd: Batch up requests for disabled regulators
> pinctrl: msm: Use dynamic GPIO numbering
>
> Can Guo (3):
> phy: Update PHY power control sequence
> phy: General struct and field cleanup
> phy: Add QMP phy based UFS phy support for sdm845
>
> Christian Lamparter (1):
> pinctrl: msm: fix gpio-hog related boot issues
>
> Douglas Anderson (3):
> phy: qcom-qmp: Quiet -EPROBE_DEFER from qcom_qmp_phy_probe()
> phy: qcom-qusb2: Quiet -EPROBE_DEFER from qusb2_phy_probe()
> pinctrl: msm: Fix msm_config_group_get() to be compliant
>
> Evan Green (5):
> phy: qcom-qmp: Utilize fully-specified DT registers
> phy: qcom-qmp: Expose provided clocks to DT
> phy: qcom: Utilize UFS reset controller
> phy: ufs-qcom: Refactor all init steps into phy_poweron
> scsi: ufs: qcom: Expose the reset controller for PHY
>
> Grygorii Strashko (1):
> phy: core: rework phy_set_mode to accept phy mode and submode
>
> Gustavo A. R. Silva (1):
> phy: qcom-usb-hs: Mark expected switch fall-through
>
> Jeffrey Hugo (2):
> phy: qcom-qmp: Add QMP V3 USB3 PHY support for msm8998
> phy: qcom-qusb2: Add QUSB2 PHY support for msm8998
>
> Manu Gautam (21):
> phy: qcom-qmp: Power-on PHY before initialization
> phy: qcom-qusb2: Power-on PHY before initialization
> phy: qcom-qmp: Fix PHY block reset sequence
> phy: qcom-qmp: Move SERDES/PCS START after PHY reset
> phy: qcom-qusb2: Add support for different register layouts
> phy: qcom-qusb2: Add support for QUSB2 V2 version
> phy: qcom-qmp: Move register offsets to header file
> phy: qcom-qmp: Add register offsets for QMP V3 PHY
> phy: qcom-qmp: Add support for QMP V3 USB3 PHY
> phy: Add USB speed related PHY modes
> phy: qcom-qusb2: Add support for runtime PM
> phy: qcom-qmp: Add support for runtime PM
> phy: add SPDX identifier to QMP and QUSB2 PHY drivers
> phy: qcom-qmp: Enable pipe_clk before PHY initialization
> dt-bindings: phy-qcom-qusb2: Update binding for QUSB2 V2 version
> dt-bindings: phy-qcom-usb2: Add support to override tuning values
> phy: qcom-qmp: Add QMP V3 USB3 UNI PHY support for sdm845
> phy: qcom-qusb2: Add QUSB2 PHYs support for sdm845
> phy: qcom-qusb2: Use HSTX_TRIM fused value as is
> phy: qcom-qusb2: Fix HSTX_TRIM tuning with fused value for SDM845
> phy: core: Allow phy_pm_runtime_xxx API calls with NULL phy
>
> Marc Gonzalez (3):
> phy: qcom-ufs: Use iopoll.h readl_poll_timeout macro
> phy: qcom-qmp: Add QMP UFS PHY support for msm8998
> phy: qcom-qmp: Add msm8998 PCIe QMP PHY support
>
> Markus Elfring (1):
> pinctrl: msm: Delete an error message for a failed memory allocation in msm_pinctrl_probe()
>
> Niklas Cassel (4):
> regulator: qcom_spmi: Fix warning Bad of_node_put()
> regulator: qcom_spmi: Use correct regmap when checking for error
> regulator: qcom_spmi: Do not initialise static to NULL
> regulator: qcom_spmi: Indent with tabs instead of spaces
>
> Paolo Pisati (18):
> Revert "PCI: qcom: add runtime pm support to pcie_port"
> Revert "phy: qcom-qmp: Fix failure path in phy_init functions"
> Revert "phy: qcom-qmp: Fix phy pipe clock gating"
> Revert "phy: qcom-qmp: Fix failure path in phy_init functions"
> Revert "regulator: smd: Add floor and corner operations"
> Revert "pinctrl: msm: fix gpio-hog related boot issues"
> UBUNTU: [Config] disable QCOM_CPR
> UBUNTU: [Config] MSM_GCC_8996=y
> UBUNTU: [Config] MSM_MMCC_8996=y
> UBUNTU: [Config] PINCTRL_MSM8996=y
> UBUNTU: [Config] RPMSG_QCOM_GLINK_RPM=y
> UBUNTU: [Config] EXTCON_USB_GPIO=y
> UBUNTU: [Config] CPU_FREQ_DEFAULT_GOV_ONDEMAND=y
> UBUNTU: [Config] ATL1C=y
> UBUNTU: [Config] disable SCSI_UFSHCD
> UBUNTU: [Config] PHY_QCOM_UFS_14NM=m
> UBUNTU: [Config] disable PHY_QCOM_UFS
> UBUNTU: fix missing modules
>
> Rajendra Nayak (1):
> clk: qcom: Register the gdscs before the clocks
>
> Rob Herring (1):
> phy: Convert to using %pOFn instead of device_node.name
>
> Srinivas Kandagatla (1):
> PCI: qcom: add runtime pm support to pcie_port
>
> Stephen Boyd (5):
> regulator: qcom_smd: Drop regulator/{machine,of_regulator} includes
> pinctrl: msm: Really mask level interrupts to prevent latching
> pinctrl: msm: Mux out gpio function with gpio_request()
> pinctrl: msm: Configure interrupts as input and gpio mode
> pinctrl: msm: Actually use function 0 for gpio selection
>
> Subhash Jadavani (1):
> scsi: ufs: ufs-qcom: remove broken hci version quirk
>
> Timur Tabi (1):
> pinctrl: qcom: remove static globals to allow multiple TLMMs
>
> Tomas Winkler (1):
> scsi: ufs: ufshcd_dump_regs to use memcpy_fromio
>
> Tony Lindgren (1):
> pinctrl: core: Return selector to the pinctrl driver
>
> Venkat Gopalakrishnan (1):
> scsi: ufs: make UFS Tx lane1 clock optional for QCOM platforms
>
> Vivek Gautam (7):
> scsi: ufshcd: Fix NULL pointer dereference for in ufshcd_init
> phy: qcom-qmp: Fix failure path in phy_init functions
> phy: qcom-qmp: Fix phy pipe clock gating
> phy: qcom-qmp: Adapt to clk_bulk_* APIs
> phy: qcom-ufs: Remove stale methods that handle ref clk
> scsi/ufs: qcom: Remove ufs_qcom_phy_*() calls from host
> phy: qcom-ufs: Declare 20nm qcom ufs qmp phy as Broken
>
> Yanjiang Jin (1):
> pinctrl: core: make sure strcmp() doesn't get a null parameter
>
> YueHaibing (1):
> phy: qcom-ufs: Make ufs_qcom_phy_disable_iface_clk static
>
> .../devicetree/bindings/phy/qcom-qusb2-phy.txt | 26 +-
> .../abi/4.15.0-1055.59/arm64/snapdragon.modules | 18 -
> debian.snapdragon/config/config.common.ubuntu | 29 +-
> drivers/clk/qcom/common.c | 32 +-
> drivers/pci/dwc/pcie-qcom.c | 68 +-
> drivers/phy/allwinner/phy-sun4i-usb.c | 3 +-
> drivers/phy/amlogic/phy-meson-gxl-usb2.c | 5 +-
> drivers/phy/broadcom/phy-bcm-cygnus-pcie.c | 4 +-
> drivers/phy/broadcom/phy-brcm-sata.c | 4 +-
> drivers/phy/marvell/phy-berlin-sata.c | 6 +-
> drivers/phy/marvell/phy-mvebu-cp110-comphy.c | 3 +-
> drivers/phy/mediatek/phy-mtk-tphy.c | 2 +-
> drivers/phy/phy-core.c | 26 +-
> drivers/phy/qualcomm/Kconfig | 17 +
> drivers/phy/qualcomm/Makefile | 4 +-
> drivers/phy/qualcomm/phy-qcom-qmp.c | 1318 ++++++++++++++++----
> drivers/phy/qualcomm/phy-qcom-qmp.h | 316 +++++
> drivers/phy/qualcomm/phy-qcom-qusb2.c | 583 +++++++--
> drivers/phy/qualcomm/phy-qcom-ufs-i.h | 26 +-
> drivers/phy/qualcomm/phy-qcom-ufs-qmp-14nm.c | 28 +-
> drivers/phy/qualcomm/phy-qcom-ufs-qmp-20nm.c | 28 +-
> drivers/phy/qualcomm/phy-qcom-ufs.c | 109 +-
> drivers/phy/qualcomm/phy-qcom-usb-hs.c | 4 +-
> drivers/phy/rockchip/phy-rockchip-emmc.c | 4 +-
> drivers/phy/rockchip/phy-rockchip-inno-usb2.c | 8 +-
> drivers/phy/rockchip/phy-rockchip-typec.c | 4 +-
> drivers/phy/rockchip/phy-rockchip-usb.c | 4 +-
> drivers/phy/tegra/xusb.c | 4 +-
> drivers/phy/ti/phy-da8xx-usb.c | 3 +-
> drivers/phy/ti/phy-tusb1210.c | 2 +-
> drivers/pinctrl/core.c | 37 +-
> drivers/pinctrl/qcom/pinctrl-msm.c | 140 ++-
> drivers/regulator/qcom_smd-regulator.c | 142 +--
> drivers/regulator/qcom_spmi-regulator.c | 122 +-
> drivers/scsi/ufs/Kconfig | 1 +
> drivers/scsi/ufs/ufs-qcom.c | 213 ++--
> drivers/scsi/ufs/ufs-qcom.h | 9 +-
> drivers/scsi/ufs/ufshcd.c | 162 ++-
> drivers/scsi/ufs/ufshcd.h | 3 +
> include/dt-bindings/phy/phy-qcom-qusb2.h | 37 +
> include/linux/phy/phy-qcom-ufs.h | 38 -
> include/linux/phy/phy.h | 31 +-
> include/linux/regulator/qcom_smd-regulator.h | 30 -
> 43 files changed, 2697 insertions(+), 956 deletions(-)
> create mode 100644 drivers/phy/qualcomm/phy-qcom-qmp.h
> create mode 100644 include/dt-bindings/phy/phy-qcom-qusb2.h
> delete mode 100644 include/linux/phy/phy-qcom-ufs.h
> delete mode 100644 include/linux/regulator/qcom_smd-regulator.h
>
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