- 20 Mar, 2020 35 commits
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Shawn Guo authored
Adds Qualcomm 28nm Hi-Speed USB PHY driver support. This PHY is usually paired with Synopsys DWC3 USB controllers on Qualcomm SoCs. The PHY can come in two flavours femtoPHY or picoPHY. This commit adds support for the femtoPHY with the possibility of extending to the picoPHY with additional future commits. Both PHYs are on a 28 nanometer process node. [bod: Updated qcom_snps_hsphy_set_mode to match new method signature Added disjunct on mode > 0 Removed regulator_set_voltage() in favour of setting floor in dts Removed 'snps' and from driver name Extended commit log to mention femtoPHY and picoPHY for future reference.] Signed-off-by:Shawn Guo <shawn.guo@linaro.org> Cc: Andy Gross <agross@kernel.org> Cc: Bjorn Andersson <bjorn.andersson@linaro.org> Cc: Kishon Vijay Abraham I <kishon@ti.com> Cc: Philipp Zabel <p.zabel@pengutronix.de> Cc: Jorge Ramirez-Ortiz <jorge.ramirez.ortiz@gmail.com> Cc: linux-arm-msm@vger.kernel.org Cc: linux-kernel@vger.kernel.org Tested-by:
Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by:
Bryan O'Donoghue <bryan.odonoghue@linaro.org> Signed-off-by:
Kishon Vijay Abraham I <kishon@ti.com>
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Sriharsha Allenki authored
Adds bindings for Qualcomm's 28 nm USB PHY supporting Low-Speed, Full-Speed and Hi-Speed USB connectivity on Qualcomm chipsets. [bod: Converted to YAML. Changed name dropping snps, 28nm components] Signed-off-by:
Sriharsha Allenki <sallenki@codeaurora.org> Signed-off-by:
Anu Ramanathan <anur@codeaurora.org> Signed-off-by:
Rob Herring <robh@kernel.org> Tested-by:
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Jorge Ramirez-Ortiz authored
This binding is not used by any driver. Signed-off-by:
Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org> Cc: Jorge Ramirez-Ortiz <jorge.ramirez.ortiz@gmail.com> Signed-off-by:
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Chunfeng Yun authored
Usually the digital and analog phys use the same reference clock, but some platforms have two separate reference clocks for each of them, so add another optional clock to support them. In order to keep the clock names consistent with PHY IP's, change the da_ref for analog phy and ref clock for digital phy. Signed-off-by:
Chunfeng Yun <chunfeng.yun@mediatek.com> Signed-off-by:
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Chunfeng Yun authored
The u3phya_ref clock is already moved into sub-node, and renamed as ref clock, no used anymore now, so remove it, this can avoid confusion when support new platforms Signed-off-by:
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Chunfeng Yun authored
Sometimes the reference clock of USB3 PHY comes from oscillator directly, and no need refer to a fixed-clock in DTS anymore if make it optional. Signed-off-by:
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Chunfeng Yun authored
This is used to tune J-K voltage by internal R (resistance), the range is [0, 31], the resistance value is about 6.9K ohm for 0, 3.8K ohm for 31, and the step is 1K ohm Signed-off-by:
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Chunfeng Yun authored
This is used to tune the threshold of disconnect, the index range is [0, 15], the threshold voltage is about 400mV for 0, 700mV for 15, and the step is 20mV. Signed-off-by:
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Chunfeng Yun authored
Add three required properties about the address mapping, including '#address-cells', '#size-cells' and 'ranges' Signed-off-by:
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Chunfeng Yun authored
Usually the digital and analog phys use the same reference clock, but on some platforms, they are separated, so add another optional clock to support it. In order to keep the clock names consistent with PHY IP's, use the da_ref for analog phy and ref clock for digital phy. Signed-off-by:
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Chunfeng Yun authored
The u3phya_ref clock is already moved into sub-node, and renamed as ref clock, no used anymore now, so remove it to avoid confusion Signed-off-by:
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Chunfeng Yun authored
Make the ref clock optional, then we no need refer to a fixed-clock in DTS anymore when the clock of USB3 PHY comes from oscillator directly Signed-off-by:
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Chunfeng Yun authored
Add two optional properties, one for tuning J-K voltage by INTR, another for disconnect threshold, both of them are related with connect detection Signed-off-by:
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Joe Perches authored
Arguments are supposed to be ordered high then low. Signed-off-by:
Joe Perches <joe@perches.com> Reviewed-by:
Neil Armstrong <narmstrong@baylibre.com> Signed-off-by:
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Bjorn Andersson authored
The PCIe PHY initialization requires the attached device to be present, which is primarily achieved by the PCI controller driver. So move the logic from init/exit to power_on/power_off. Signed-off-by:
John Stultz <john.stultz@linaro.org> Reviewed-by:
Vinod Koul <vkoul@kernel.org> Signed-off-by:
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Kunihiko Hayashi authored
Since this phy is shared by multiple devices including USB and PCIe, it is necessary to determine which device use this phy. This patch adds SoC-dependent functions to determine a device using this phy. When there is 'socionext,syscon' property in the pcie-phy node, the driver calls SoC-dependt function instead of checking .has_syscon in SoC-dependent data. The function configures the system controller to use phy for PCIe. Signed-off-by:
Kunihiko Hayashi <hayashi.kunihiko@socionext.com> Signed-off-by:
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Kunihiko Hayashi authored
Add legacy SoC support that needs to manage gio clock and reset and to skip setting unimplemented phy parameters. This supports Pro5. This specifies only 1 port use because Pro5 doesn't set it in the power-on sequence. Signed-off-by:
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Kunihiko Hayashi authored
In case of using default parameters, communication failure might occur in rare cases. This sets Rx sync mode parameter to avoid the issue. Signed-off-by:
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Kunihiko Hayashi authored
Add legacy SoC support that needs to manage gio clock and reset. This supports Pro5. Signed-off-by:
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Kunihiko Hayashi authored
Pro5 SoC has same scheme of USB3 ss-phy as Pro4, so the data for Pro5 is equivalent to Pro4. Signed-off-by:
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Kunihiko Hayashi authored
This adds compatible string for Pro5 SoC that needs to manage gio clock and reset. And Pro4 SoC uses USB2 PHY instead of USB3 HS-PHY, so this removes Pro4 description from usb3-hsphy. Signed-off-by:
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Kunihiko Hayashi authored
Use devm_platform_ioremap_resource() to simplify the code. Signed-off-by:
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Bjorn Andersson authored
The support for the 14nm MSM8996 UFS PHY is currently handled by the UFS-specific 14nm QMP driver, due to the earlier need for additional operations beyond the standard PHY API. Add support for this PHY to the common QMP driver, to allow us to remove the old driver. Acked-by:
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Swapnil Jakhade authored
Implement single link subnode support to the phy driver. Add reset support including PHY reset and individual lane reset. Signed-off-by:
Swapnil Jakhade <sjakhade@cadence.com> Signed-off-by:
Yuti Amonkar <yamonkar@cadence.com> Signed-off-by:
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Swapnil Jakhade authored
Add platform dependent initialization data for Torrent PHY used in TI's J721E SoC. Signed-off-by:
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Swapnil Jakhade authored
Use regmap to read and write DPTX specific PHY registers. Signed-off-by:
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Swapnil Jakhade authored
Use regmap for accessing Torrent PHY registers. Modify register offsets as defined in Torrent PHY user guide. Abstract address calculation using regmap APIs. Signed-off-by:
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Swapnil Jakhade authored
Add support for PHY configuration APIs. These will mainly reconfigure link rate, number of lanes, voltage swing and pre-emphasis values. Signed-off-by:
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Swapnil Jakhade authored
Add configuration functions for 19.2 MHz refclock support. Add register configurations for SSC support. Signed-off-by:
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Swapnil Jakhade authored
Add a separate function to set different power state values. Use uniform polling timeout value. Also check return values of functions for proper error handling. Signed-off-by:
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Swapnil Jakhade authored
Add wrapper functions to read, write DisplayPort specific PHY registers to improve code readability. Signed-off-by:
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Swapnil Jakhade authored
Add a wrapper function to write Torrent PHY registers to improve code readability. Signed-off-by:
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Swapnil Jakhade authored
- Change private data struct cdns_dp_phy to cdns_torrent_phy - Change module description and registration accordingly - Generic torrent functions have prefix cdns_torrent_phy_* - Functions specific to Torrent phy for DisplayPort are prefixed as cdns_torrent_dp_* Signed-off-by:
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Yuti Amonkar authored
Rename Cadence DP PHY driver from phy-cadence-dp to phy-cadence-torrent to make it more generic for future use. Modifiy Makefile and Kconfig accordingly. Also, change driver compatible from "cdns,dp-phy" to "cdns,torrent-phy".This will not affect ABI as the driver has never been functional, and therefore do not exist in any active use case. Signed-off-by:
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Yuti Amonkar authored
- Add Cadence MHDP PHY bindings in YAML format. - Add Torrent PHY reference clock bindings. - Add sub-node bindings for each group of PHY lanes based on PHY type. Each sub-node includes properties such as master lane number, link reset, phy type, number of lanes etc. - Add reset support including PHY reset and individual lane reset. - Add a new compatible string used for TI SoCs using Torrent PHY. This will not affect ABI as the driver has never been functional, and therefore do not exist in any active use case. Signed-off-by:
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- 05 Mar, 2020 1 commit
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Yuti Amonkar authored
Remove the Cadence MHDP PHY bindings. The binding is added in next commit in YAML format. It is renamed to adopt torrent nomenclature. This will not affect ABI as the driver has never been functional, and therefore do not exist in any active use case. Signed-off-by:
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- 21 Feb, 2020 3 commits
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Bjorn Andersson authored
Add the GEN3 QHP PCIe PHY found in SDM845. Tested-by:
Julien Massot <jmassot@softbankrobotics.com> Tested-by:
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Bjorn Andersson authored
qcom_qmp_phy_init() is extended to support the additional register writes needed in PCS MISC and the appropriate sequences and resources are defined for the GEN2 PCIe QMP PHY found in SDM845. Tested-by:
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Bjorn Andersson authored
Add the compatible and define necessary clocks and resets for the SDM845 GEN2 QMP PCIe phy and GEN3 QHP PCIe phy. Reviewed-by:
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- 10 Feb, 2020 1 commit
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Linus Torvalds authored
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