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Fix get_parent() callback to return the correct index of the parent for
PLL_CMNLC1 clock. Add a separate table of register values corresponding
to the parent index for PLL_CMNLC1. Update set_parent() callback
accordingly.
Fixes: 28081b72859f ("phy: cadence: Sierra: Model PLL_CMNLC and PLL_CMNLC1 as clocks (mux clocks)")
Signed-off-by: Swapnil Jakhade <sjakhade@cadence.com>
Reviewed-by: Aswath Govindraju <a-govindraju@ti.com>
Link: https://lore.kernel.org/r/20211223060137.9252-12-sjakhade@cadence.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Add single link PCIe register configurations for no SSC and internal
SSC. Also, add missing PMA lane registers for external SSC.
Signed-off-by: Swapnil Jakhade <sjakhade@cadence.com>
Reviewed-by: Aswath Govindraju <a-govindraju@ti.com>
Link: https://lore.kernel.org/r/20211223060137.9252-11-sjakhade@cadence.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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PIPE phy status is used to communicate the completion of several PHY
functions. Check if PHY is ready for operation while configured for
PIPE mode during startup.
Signed-off-by: Swapnil Jakhade <sjakhade@cadence.com>
Reviewed-by: Aswath Govindraju <a-govindraju@ti.com>
Link: https://lore.kernel.org/r/20211223060137.9252-10-sjakhade@cadence.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Check if PMA cmn_ready is set indicating the startup process is complete.
Signed-off-by: Swapnil Jakhade <sjakhade@cadence.com>
Reviewed-by: Aswath Govindraju <a-govindraju@ti.com>
Link: https://lore.kernel.org/r/20211223060137.9252-9-sjakhade@cadence.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Add PHY PCS common register configuration sequences for single link.
Update single link PCIe register sequence accordingly.
Signed-off-by: Swapnil Jakhade <sjakhade@cadence.com>
Reviewed-by: Aswath Govindraju <a-govindraju@ti.com>
Link: https://lore.kernel.org/r/20211223060137.9252-8-sjakhade@cadence.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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documentation
No functional change. Rename some regmap variables as mentioned in Sierra
register description documentation.
Signed-off-by: Swapnil Jakhade <sjakhade@cadence.com>
Reviewed-by: Aswath Govindraju <a-govindraju@ti.com>
Link: https://lore.kernel.org/r/20211223060137.9252-7-sjakhade@cadence.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Add support to get SSC type from DT.
Signed-off-by: Swapnil Jakhade <sjakhade@cadence.com>
Reviewed-by: Aswath Govindraju <a-govindraju@ti.com>
Link: https://lore.kernel.org/r/20211223060137.9252-6-sjakhade@cadence.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Add binding to specify Spread Spectrum Clocking mode used.
Signed-off-by: Swapnil Jakhade <sjakhade@cadence.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20211223060137.9252-5-sjakhade@cadence.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Rename SSC macros to use generic names instead of PHY specific names,
so that they can be used to specify SSC modes for both Torrent and
Sierra. Renaming the macros should not affect the things as these are
not being used in any DTS file yet.
Signed-off-by: Swapnil Jakhade <sjakhade@cadence.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20211223060137.9252-4-sjakhade@cadence.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Sierra driver currently supports single link configurations only. Prepare
driver to support multilink multiprotocol configurations along with
different SSC modes.
Signed-off-by: Swapnil Jakhade <sjakhade@cadence.com>
Reviewed-by: Aswath Govindraju <a-govindraju@ti.com>
Link: https://lore.kernel.org/r/20211223060137.9252-3-sjakhade@cadence.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Use of_device_get_match_data() to get driver data instead of boilerplate
code.
Signed-off-by: Swapnil Jakhade <sjakhade@cadence.com>
Reviewed-by: Aswath Govindraju <a-govindraju@ti.com>
Link: https://lore.kernel.org/r/20211223060137.9252-2-sjakhade@cadence.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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The of_device_get_match_data() function may return NULL.
Add check to prevent potential null dereference.
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20211224082103.7658-1-linmq006@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Similar to commit 4a90bbb478db ("phy: uniphier-pcie: Fix updating phy
parameters"), in function uniphier_u3ssphy_set_param(), unintentionally
write zeros to other fields when writing PHY registers.
Fixes: 5ab43d0f8697 ("phy: socionext: add USB3 PHY driver for UniPhier SoC")
Signed-off-by: Ryuta NAKANISHI <nakanishi.ryuta@socionext.com>
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Link: https://lore.kernel.org/r/1640150369-4134-1-git-send-email-hayashi.kunihiko@socionext.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Use new helpers mtk_phy_clear/set/update_bits() to access registers
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/20211218082802.5256-5-chunfeng.yun@mediatek.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Use new helpers mtk_phy_clear/set/update_bits() to access registers
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/20211218082802.5256-4-chunfeng.yun@mediatek.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Add three helpers mtk_phy_clear/set/update_bits() for registers operation
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/20211218082802.5256-3-chunfeng.yun@mediatek.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Due to some SoCs have a bit shift issue that will drop a bit for usb3
phy or pcie phy, fix it by adding software efuse reading and setting,
but only support it optionally for version 2/3.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/20211218082802.5256-2-chunfeng.yun@mediatek.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Add optional property nvmem-cells and nvmem-cell-names to support
software efuse load, this helps to fix the efuse bit shift issue
on mt8195 etc.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/20211218082802.5256-1-chunfeng.yun@mediatek.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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There are two different PCIe PHYs on SM8450, one having one lane (v5)
and another with two lanes (v5.20). This commit adds support for the
second PCIe phy.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211218141754.503661-3-dmitry.baryshkov@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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There are two different PCIe PHYs on SM8450, one having one lane and
another with two lanes. Add support for second (gen4, two lanes) PHY.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211218141754.503661-2-dmitry.baryshkov@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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The rk3568 usb2phy is a standalone device with a single muxed interrupt.
Add support for the registers to the usb2phy driver.
Signed-off-by: Peter Geis <pgwipeout@gmail.com>
Tested-by: Michael Riesch <michael.riesch@wolfvision.net>
Link: https://lore.kernel.org/r/20211215210252.120923-7-pgwipeout@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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The rk3568 usb2phy has a single muxed interrupt that handles all
interrupts.
Allow the driver to plug in only a single interrupt as necessary.
Signed-off-by: Peter Geis <pgwipeout@gmail.com>
Tested-by: Michael Riesch <michael.riesch@wolfvision.net>
Link: https://lore.kernel.org/r/20211215210252.120923-6-pgwipeout@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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New Rockchip devices have the usb2 phy devices as standalone nodes
instead of children of the grf node.
Allow the driver to find the grf node from a phandle.
Signed-off-by: Peter Geis <pgwipeout@gmail.com>
Tested-by: Michael Riesch <michael.riesch@wolfvision.net>
Link: https://lore.kernel.org/r/20211215210252.120923-5-pgwipeout@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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New Rockchip devices have the usb phy nodes as standalone devices.
These nodes have register nodes with #address_cells = 2, but only use 32
bit addresses.
Adjust the driver to check if the returned address is "0", and adjust
the index in that case.
Signed-off-by: Peter Geis <pgwipeout@gmail.com>
Tested-by: Michael Riesch <michael.riesch@wolfvision.net>
Link: https://lore.kernel.org/r/20211215210252.120923-4-pgwipeout@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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The rk3568 usb2phy node is a standalone node with a single muxed
interrupt.
Add documentation for it to phy-rockchip-inno-usb2.
Signed-off-by: Peter Geis <pgwipeout@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20211215210252.120923-3-pgwipeout@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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There are two different PCIe PHYs on SM8450, one having one lane (v5)
and another with two lanes (v5.20). This commit adds support for the
first PCIe phy only, support for the second PCIe PHY is coming in next
commits.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211214225846.2043361-4-dmitry.baryshkov@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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There are two different PCIe PHYs on SM8450, one having one lane and
another with two lanes. Add DT bindings for the first one. Support for
second PCIe host and PHY will be submitted separately.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20211214225846.2043361-3-dmitry.baryshkov@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Add support for the USB DP & UNI PHYs found on SM8450. This is same as
the phy version used on SM8350 and sequences turned out to be same, so
use the same table from SM8350 for this as well.
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211213131450.535775-3-vkoul@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Add compatible string for USB QMP phy in Qualcomm SM8450 SoC
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211213131450.535775-2-vkoul@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Document the compatible string for USB phy found in Qualcomm SM8450 SoC
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211213131450.535775-1-vkoul@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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kernel test robot complains about missing FIELD_PREP, so include
bitfield.h for that
drivers/phy/freescale/phy-fsl-imx8m-pcie.c:41:37: error: implicit declaration of function 'FIELD_PREP' [-Werror=implicit-function-declaration]
drivers/phy/freescale/phy-fsl-imx8m-pcie.c:41:41: error: implicit declaration of function 'FIELD_PREP' [-Werror=implicit-function-declaration]
Reported-by: kernel test robot <lkp@intel.com>
Fixes: 1aa97b002258 ("phy: freescale: pcie: Initialize the imx8 pcie standalone phy driver")
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: Richard Zhu <hongxing.zhu@nxp.com>
Link: https://lore.kernel.org/r/20211215060834.921617-1-vkoul@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Add the standalone i.MX8 PCIe PHY driver.
Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>
Tested-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Reviewed-by: Tim Harvey <tharvey@gateworks.com>
Tested-by: Tim Harvey <tharvey@gateworks.com>
Link: https://lore.kernel.org/r/1638432158-4119-6-git-send-email-hongxing.zhu@nxp.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Add dt-binding for the standalone i.MX8 PCIe PHY driver.
Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>
Tested-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Reviewed-by: Tim Harvey <tharvey@gateworks.com>
Tested-by: Tim Harvey <tharvey@gateworks.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/1638432158-4119-3-git-send-email-hongxing.zhu@nxp.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Add binding for reference clock PAD modes of the i.MX8 PCIe PHY.
Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>
Tested-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Reviewed-by: Tim Harvey <tharvey@gateworks.com>
Tested-by: Tim Harvey <tharvey@gateworks.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/1638432158-4119-2-git-send-email-hongxing.zhu@nxp.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Variable delay is being assigned to zero and the code falls through to
the next case in a switch statement that returns out of the function.
The variable is never read in this scenario and so the assignment is
redundant and can be removed.
Cleans up scan-build static analysis warning:
drivers/phy/rockchip/phy-rockchip-inno-usb2.c:753:3: warning: Value
stored to 'delay' is never read [deadcode.DeadStores]
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://lore.kernel.org/r/20211211180054.525368-1-colin.i.king@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Remove the set_speed function and allow the driver to figure out the
speed at which needs to configure the serdes based on the interface type.
Fixes: 305524902a0045 ("phy: Add lan966x ethernet serdes PHY driver")
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Link: https://lore.kernel.org/r/20211211214717.1284306-1-horatiu.vultur@microchip.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Use IS_ERR_OR_NULL() to make the code cleaner.
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Link: https://lore.kernel.org/r/20211212142226.23674-1-linmq006@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Add devicetree compatible for the usb phy on SM6350 SoC.
Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
Acked-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Link: https://lore.kernel.org/r/20211213082614.22651-5-luca.weiss@fairphone.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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callers of tegra_xusb_find_port_node() function only do NULL checking for
the return value. return NULL instead of ERR_PTR(-ENOMEM) to keep
consistent.
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20211213020507.1458-1-linmq006@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Use struct_size() to get the accurate size of `clk_hw_onecell_data`
with a variable size array, instead of sizeof(data) to get the size
of a pointer.
Suggested-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Guo Zhengkui <guozhengkui@vivo.com>
Fixes: f199223cb490 ("phy: qcom: Introduce new eDP PHY driver")
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211209032114.9416-1-guozhengkui@vivo.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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SM8450 UFS seems to use same sequence as SM8350, so reuse the sequence
from SM8450. Add the new clock list for this phy and the new compatible
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Co-developed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Acked-by: Martin K. Petersen <martin.petersen@oracle.com>
Link: https://lore.kernel.org/r/20211201074456.3969849-4-vkoul@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Document the UFS phy compatible for QMP UFS phy found in SM8450 SoC.
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Acked-by: Martin K. Petersen <martin.petersen@oracle.com>
Link: https://lore.kernel.org/r/20211201074456.3969849-3-vkoul@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Document "qcom,sm8450-ufshc" compatible string. "qcom,sm8450-ufshc" is
for UFS HC found in SM8450 SoC.
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Acked-by: Martin K. Petersen <martin.petersen@oracle.com>
Link: https://lore.kernel.org/r/20211201074456.3969849-2-vkoul@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Currently the driver is supporting only the interfaces QSGMII, SGMII,
RGMII and GMII. This patch extend the supported interfaces with
1000BASE-X and 2500BASE-X.
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Acked-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://lore.kernel.org/r/20211130101015.164916-1-horatiu.vultur@microchip.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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There is a error message within devm_ioremap_resource
already, so remove the dev_err call to avoid redundant
error message.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zou Wei <zou_wei@huawei.com>
Link: https://lore.kernel.org/r/1637822289-24534-1-git-send-email-zou_wei@huawei.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Change stm32-usbphyc driver to use dev_err_probe(), to benefit of
devices_deferred debugfs in case of probe deferral.
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
Reviewed-by: Amelie Delaunay <amelie.delaunay@foss.st.com>
Link: https://lore.kernel.org/r/1635172265-26219-1-git-send-email-fabrice.gasnier@foss.st.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Improve message & use dev_err_probe() helper which prints actual error
(helpful for debugging) and deals with -EPROBE_DEFER.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20211123221521.25323-1-zajec5@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Add support of eMMC PHY for Intel Thunder Bay SoC,
uses the Arasan eMMC phy
Signed-off-by: Rashmi A <rashmi.a@intel.com>
Reviewed-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20211027115516.4475-5-rashmi.a@intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Binding description for Intel Thunder Bay eMMC PHY.
Added the newly introduced files into MAINTAINERS file-list
Signed-off-by: Rashmi A <rashmi.a@intel.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20211027115516.4475-4-rashmi.a@intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Add the Microchip lan966x ethernet serdes PHY driver for interfaces
available in the lan966x SoC.
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Link: https://lore.kernel.org/r/20211116100818.1615762-4-horatiu.vultur@microchip.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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