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Support for fhctl clocks in apmixedsys was introduced at a later point
and to this moment only one mt6795 based platform has a fhctl DT node
present. Therefore the fhctl support in apmixedsys should be seen as
optional and not cause an error when it is missing.
Change the message's log level to warning. The warning level is chosen
so that it will still alert the fact that fhctl support might be
unintentionally missing, but without implying that this is necessarily
an issue.
Even if the FHCTL DT nodes are added to all current platforms moving
forward, since those changes won't be backported, this ensures stable
kernel releases won't have live with this error.
Fixes: d7964de8a8ea ("clk: mediatek: Add new clock driver to handle FHCTL hardware")
Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Link: https://lore.kernel.org/r/20240308-mtk-fhctl-no-node-error-v1-1-51e446eb149a@collabora.com
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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'clk-socfpga' into clk-next
- Frequency Hopping (FHCTL) on MediaTek MT6795, MT8173, MT8192 and
MT8195 SoCs
- Converted most Mediatek clock drivers to struct platform_driver
- MediaTek clock drivers can be built as modules
- Mediatek MT8188 SoC clk drivers
- Clock driver for Sunplus SP7021 SoC
- Reimplement Loongson-1 clk driver with DT support
- Clk driver support for Loongson-2 SoCs
- Migrate socfpga clk driver to of_clk_add_hw_provider()
* clk-mediatek: (84 commits)
clk: mediatek: fhctl: Mark local variables static
clk: mediatek: Use right match table, include mod_devicetable
clk: mediatek: Add MT8188 adsp clock support
clk: mediatek: Add MT8188 imp i2c wrapper clock support
clk: mediatek: Add MT8188 wpesys clock support
clk: mediatek: Add MT8188 vppsys1 clock support
clk: mediatek: Add MT8188 vppsys0 clock support
clk: mediatek: Add MT8188 vencsys clock support
clk: mediatek: Add MT8188 vdosys1 clock support
clk: mediatek: Add MT8188 vdosys0 clock support
clk: mediatek: Add MT8188 vdecsys clock support
clk: mediatek: Add MT8188 mfgcfg clock support
clk: mediatek: Add MT8188 ipesys clock support
clk: mediatek: Add MT8188 imgsys clock support
clk: mediatek: Add MT8188 ccusys clock support
clk: mediatek: Add MT8188 camsys clock support
clk: mediatek: Add MT8188 infrastructure clock support
clk: mediatek: Add MT8188 peripheral clock support
clk: mediatek: Add MT8188 topckgen clock support
clk: mediatek: Add MT8188 apmixedsys clock support
...
* clk-sunplus:
clk: Add Sunplus SP7021 clock driver
* clk-loongson:
clk: clk-loongson2: add clock controller driver support
dt-bindings: clock: add loongson-2 boot clock index
MAINTAINERS: remove obsolete file entry in MIPS/LOONGSON1 ARCHITECTURE
MIPS: loongson32: Update the clock initialization
clk: loongson1: Re-implement the clock driver
clk: loongson1: Remove the outdated driver
dt-bindings: clock: Add Loongson-1 clock
* clk-socfpga:
clk: socfpga: arria10: use of_clk_add_hw_provider and improve error handling
clk: socfpga: use of_clk_add_hw_provider and improve error handling
clk: socfpga: arria10: use of_clk_add_hw_provider and improve error handling
clk: socfpga: use of_clk_add_hw_provider and improve error handling
clk: socfpga: arria10: use of_clk_add_hw_provider and improve error handling
clk: socfpga: use of_clk_add_hw_provider and improve error handling
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The device_node pointer returned by of_find_compatible_node() with
refcount incremented, when finish using it, the refcount need be
decreased.
Fixes: d7964de8a8ea ("clk: mediatek: Add new clock driver to handle FHCTL hardware")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20221229092946.4162345-1-yangyingliang@huawei.com
[sboyd@kernel.org: Also unmap on error]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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These functions are used by the various MediaTek apmixed clock drivers
that may be built as modules: export the common functions used to parse
related devicetree properties, register and unregister the PLLFH clocks.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230206100105.861720-3-angelogioacchino.delregno@collabora.com
Reviewed-by: Chen-Yu Tsai <wenst@chromium.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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The Frequency Hopping Controller (FHCTL) seems to have different
versions, as it has a slightly different register layout on some
older SoCs like MT6795, MT8173, MT8183 (and others).
This driver is indeed compatible with at least some of those older
IP revisions, so all we need to do is to add a way to select the
right register layout at registration time.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230206100105.861720-2-angelogioacchino.delregno@collabora.com
Reviewed-by: Chen-Yu Tsai <wenst@chromium.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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To implement frequency hopping and spread spectrum clocking
function, we introduce new clock type and APIs to handle
FHCTL hardware.
Co-developed-by: Edward-JW Yang <edward-jw.yang@mediatek.com>
Signed-off-by: Edward-JW Yang <edward-jw.yang@mediatek.com>
Signed-off-by: Johnson Wang <johnson.wang@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20221121122957.21611-4-johnson.wang@mediatek.com
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
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