In the probe path, dev_err() can be replaced with dev_err_probe()
which will check if error code is -EPROBE_DEFER and prints the
error name. It also sets the defer probe reason which can be
checked later through debugfs.
Signed-off-by: Yuan Can <yuancan@huawei.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Andrew Halaney <ahalaney@redhat.com>
Link: https://lore.kernel.org/r/20220922111228.36355-7-yuancan@huawei.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
In the probe path, dev_err() can be replaced with dev_err_probe()
which will check if error code is -EPROBE_DEFER and prints the
error name. It also sets the defer probe reason which can be
checked later through debugfs.
Signed-off-by: Yuan Can <yuancan@huawei.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Andrew Halaney <ahalaney@redhat.com>
Link: https://lore.kernel.org/r/20220922111228.36355-4-yuancan@huawei.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
These two error paths need to call of_node_put(child_node) before
returning.
Fixes: edd473d429 ("phy: ti: phy-j721e-wiz: add support for j7200-wiz-10g")
Fixes: 7ae14cf581 ("phy: ti: j721e-wiz: Implement DisplayPort mode to the wiz driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Roger Quadros <rogerq@kernel.org>
Link: https://lore.kernel.org/r/YyxFI8aW23IC/21U@kili
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Remove private register access helpers, use the common ones instead.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220920090038.15133-19-chunfeng.yun@mediatek.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Use MediaTek phy's common helper to access registers, then we can remove
mipi-dsi's I/O helpers.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220920090038.15133-18-chunfeng.yun@mediatek.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Use MediaTek phy's common helper to access registers, then we can remove
mipi-dsi's I/O helpers.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220920090038.15133-16-chunfeng.yun@mediatek.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Use FIELD_PREP() macro to prepare bits field value, then no need define
macros of bits offset.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220920090038.15133-15-chunfeng.yun@mediatek.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Remove private register access helpers, use the common ones instead.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220920090038.15133-13-chunfeng.yun@mediatek.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Use MediaTek phy's common helper to access registers, then we can remove
hdmi's I/O helpers.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220920090038.15133-12-chunfeng.yun@mediatek.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Use FIELD_PREP() macro to prepare bits field value, then no need define
macros of bits offset.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220920090038.15133-11-chunfeng.yun@mediatek.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Use MediaTek phy's common helper to access registers, then we can remove
hdmi's I/O helpers.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220920090038.15133-9-chunfeng.yun@mediatek.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Use FIELD_PREP() macro to prepare bits field value, then no need define
macros of bits offset.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220920090038.15133-8-chunfeng.yun@mediatek.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Use GENMASK() and BIT() macros to generate mask and bits
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220920090038.15133-7-chunfeng.yun@mediatek.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
The new helper will use FIELD_PREP() macro to prepare bits value
according to mask, then we no need do it anymore.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220920090038.15133-6-chunfeng.yun@mediatek.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
No need define private register access helpers, use common ones defined
in phy-mtk-io.h
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220920090038.15133-5-chunfeng.yun@mediatek.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Due to FIELD_PREP() macro can be used to prepare a bitfield value,
local ones can be remove; add the new helper to make bitfield update
easier.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/20220920090038.15133-2-chunfeng.yun@mediatek.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Drop the DP_COM control block flag from the configuration data, which is
set for all combo PHYs and hence no longer needed since the QMP driver
split.
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20220920073826.20811-18-johan+linaro@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
For legacy reasons, there are two configuration parameters that appear
to describe the number of lanes a PHY has, even if "nlanes" was actually
used for a different purpose.
Replace them both with a new field simply named "lanes".
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20220920073826.20811-17-johan+linaro@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
For legacy reasons, there are two configuration parameters that describe
the number of lanes a PHY has.
Replace them both with a new field simply named "lanes".
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20220920073826.20811-16-johan+linaro@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
For legacy reasons, there are two configuration parameters that appear
to describe the number of lanes a PHY has, even if "nlanes" was actually
used for a different purpose.
Replace them both with a new field simply named "lanes".
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20220920073826.20811-15-johan+linaro@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
The nlanes configuration parameter is really the number of PHYs provided
by this QMP block on MSM8996. Rename it accordingly.
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20220920073826.20811-14-johan+linaro@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
For legacy reasons, there are two configuration parameters that describe
the number of lanes a PHY has.
Replace them both with a new field simply named "lanes".
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20220920073826.20811-13-johan+linaro@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Only the MSM8996 PCIe QMP driver uses the index field so drop it from
the other drivers.
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20220920073826.20811-12-johan+linaro@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Drop the unused mask_com_pcs_ready field from struct qmp_phy_cfg.
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20220920073826.20811-11-johan+linaro@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Drop the unused mode field from struct qmp_phy.
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20220920073826.20811-10-johan+linaro@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Drop the removed mode field from the struct qmp_phy kernel doc.
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20220920073826.20811-9-johan+linaro@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Only the combo QMP driver needs a forward declaration of struct qmp_phy.
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20220920073826.20811-8-johan+linaro@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
The configuration PHY type is no longer needed since the QMP driver
split so drop it from the configuration and suspend callbacks.
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20220920073826.20811-5-johan+linaro@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
The configuration PHY type is no longer used since the QMP driver split
so drop it from the configuration.
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20220920073826.20811-4-johan+linaro@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
The configuration PHY type is no longer used since the QMP driver split
so drop it from the configuration.
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20220920073826.20811-3-johan+linaro@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
The configuration PHY type is no longer used since the QMP driver split
so drop it from the configurations.
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20220920073826.20811-2-johan+linaro@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
When multiple serdes instances are initialized the first will succeed but
additional will conflict over clocks names and probing fails.
Signed-off-by: Matt Ranostay <mranostay@ti.com>
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Link: https://lore.kernel.org/r/20220909200026.3422-1-mranostay@ti.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
The PHY type is not set if the index is non zero, prepare type
value according to the index, like as mask value.
Fixes: 39099a4433 ("phy: phy-mtk-tphy: support type switch by pericfg")
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220914060746.10004-7-chunfeng.yun@mediatek.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
No need repeat to clear utmi 0 register in ->power_on() and
->power_off(), just do it in ->init()
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220914060746.10004-6-chunfeng.yun@mediatek.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Disable DP/DM's GPIO mode for all usb2 phy, not only for the first
usb2 phy which usually supports dual-role mode.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220914060746.10004-5-chunfeng.yun@mediatek.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
INTR's value is able autoload from hardware efuse by default, when
software tries to update its value, should disable hardware efuse
firstly.
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/20220914060746.10004-4-chunfeng.yun@mediatek.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Add a property to set usb2 phy's pre-emphasis, it's disabled by default
on some SoCs.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220914060746.10004-3-chunfeng.yun@mediatek.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Add a property to set usb2 phy's pre-emphasis, which used to widen eye
opening and boost eye swing.
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/20220914060746.10004-2-chunfeng.yun@mediatek.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Add support ethernet SGMII, forgot to update type supported.
Fixes: c01608b3b4 ("dt-bindings: phy: mediatek: tphy: support type switch by pericfg")
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/20220914060746.10004-1-chunfeng.yun@mediatek.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
As the of_get_parent() will increase the refcount of the node->parent
and the reference will be discarded, so we should hold the reference
with which we can decrease the refcount when done.
Fixes: 8eff8b4e22 ("phy: amlogic: phy-meson-axg-mipi-pcie-analog: add support for MIPI DSI analog")
Signed-off-by: Liang He <windhl@126.com>
Link: https://lore.kernel.org/r/20220915093506.4009456-1-windhl@126.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Convert the Renesas R-Car Gen2 USB PHY Device Tree binding documentation
to json-schema.
Add missing properties.
Rename the device node from "usb-phy" to "usb-phy-controller", as it
does not represent a USB PHY itself, and thus does not have a
"#phy-cells" property.
Rename the child nodes from "usb-channel" to "usb-phy", as these do
represent USB PHYs.
Drop the second example, as it doesn't add any value.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/dbdcffd009302734fe2fb895ce04b72fa1ea4355.1663165000.git.geert+renesas@glider.be
Signed-off-by: Vinod Koul <vkoul@kernel.org>
The PCS_USB register block lives at an offset of 0x300 from the PCS
region on SC8280XP so add the missing offset to avoid corrupting
unrelated registers on runtime suspend.
Note that this region should probably be described separately in the
binding.
Fixes: a2e927b0e5 ("phy: qcom-qmp-combo: Add sc8280xp USB/DP combo phys")
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20220919095700.2228-1-johan+linaro@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
