9 Commits

Author SHA1 Message Date
AngeloGioacchino Del Regno
65c9ad77cb clk: mediatek: Add MODULE_DEVICE_TABLE() where appropriate
Add a MODULE_DEVICE_TABLE() on all clocks that can be built as modules
to allow auto-load at boot.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Chen-Yu Tsai <wenst@chromium.org>
Tested-by: Miles Chen <miles.chen@mediatek.com>
Tested-by: Chen-Yu Tsai <wenst@chromium.org> # MT8183, MT8192, MT8195 Chromebooks
Link: https://lore.kernel.org/r/20230306140543.1813621-50-angelogioacchino.delregno@collabora.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2023-03-13 11:50:18 -07:00
AngeloGioacchino Del Regno
a451da86cf clk: mediatek: Add MODULE_LICENSE() where missing
In order to successfully build clock drivers as modules it is required
to declare a module license: add it where missing.
While at it, also change the MODULE_LICENSE text from "GPL v2" to
"GPL" (which means the same) on clk-mt7981-eth.c.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Chen-Yu Tsai <wenst@chromium.org>
Tested-by: Miles Chen <miles.chen@mediatek.com>
Tested-by: Chen-Yu Tsai <wenst@chromium.org> # MT8183, MT8192, MT8195 Chromebooks
Link: https://lore.kernel.org/r/20230306140543.1813621-38-angelogioacchino.delregno@collabora.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2023-03-13 11:50:16 -07:00
AngeloGioacchino Del Regno
164d240de9 clk: mediatek: Switch to module_platform_driver() where possible
Lots of clock drivers have got both .probe() and a .remove() callbacks:
switch from builtin_platform_driver() to module_platform_driver() so
that we actually register the .remove() callback.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Chen-Yu Tsai <wenst@chromium.org>
Tested-by: Miles Chen <miles.chen@mediatek.com>
Tested-by: Chen-Yu Tsai <wenst@chromium.org> # MT8183, MT8192, MT8195 Chromebooks
Link: https://lore.kernel.org/r/20230306140543.1813621-37-angelogioacchino.delregno@collabora.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2023-03-13 11:50:16 -07:00
AngeloGioacchino Del Regno
3cc53c57d0 clk: mediatek: mt8195: Add reset idx for USB/PCIe T-PHY
Add the reset idx for the t-phy port 1, used as either USB or
PCI-Express (secondary controller) PHY, depending on board-specific
configuration/layout.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220720102817.237483-3-angelogioacchino.delregno@collabora.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2022-08-31 18:16:45 -07:00
AngeloGioacchino Del Regno
3f10f49cd9 clk: mediatek: mt8195-infra_ao: Set pwrmcu clocks as critical
The pwrmcu is responsible for power management and idle states in SSPM:
on older SoCs this was managed in Linux drivers like sspm/mcupm/eemgpu
but, at least on MT8195, this functionality was transferred to the ATF
firmware.
For this reason, turning off the pwrmcu related clocks from the kernel
will lead to unability to resume the platform after suspend and other
currently unknown PM related side-effects.

Set the PWRMCU and PWRMCU_BUS_H clocks as critical to prevent the
kernel from turning them off, fixing the aforementioned issue.

Fixes: e2edf59dec0b ("clk: mediatek: Add MT8195 infrastructure clock support")
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220719093316.37253-1-angelogioacchino.delregno@collabora.com
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2022-08-31 18:15:18 -07:00
AngeloGioacchino Del Regno
c39da7d0b4 clk: mediatek: mt8195: Add reset idx for PCIe0 and PCIe1
Add the reset idx for PCIe P0, P1, located in infra_ao RST2 registers.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220629105205.173471-3-angelogioacchino.delregno@collabora.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2022-08-31 18:13:53 -07:00
Rex-BC Chen
a0bc8ae5a0 clk: mediatek: reset: Add infra_ao reset support for MT8192/MT8195
The infra_ao reset is needed for MT8192 and MT8195.
- Add mtk_clk_rst_desc for MT8192 and MT8195
- Add register reset controller function for MT8192 infra_ao.
- Move definition of infra reset from cl-mt8183.c to reset.h
  because it's the same definition with MT8192 and MT8195.
- Add new definition of infra reset_4 for MT8192 and MT8195.
- Add infra_ao_idx_map for MT8192 and MT8195.

Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
[Nícolas: Test for MT8192]
Tested-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Link: https://lore.kernel.org/r/20220523093346.28493-15-rex-bc.chen@mediatek.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2022-06-15 17:24:13 -07:00
Chen-Yu Tsai
cd3a77a085 clk: mediatek: mt8195: Hook up mtk_clk_simple_remove()
Various small clock controllers only have clock gates, and utilize
mtk_clk_simple_probe() as their driver probe function.

Now that we have a matching remove function, hook it up for the relevant
drivers. This was done with the following command:

sed -i -e '/mtk_clk_simple_probe/a \
        .remove = mtk_clk_simple_remove,' drivers/clk/mediatek/clk-mt8195-*.c

Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Reviewed-by: Miles Chen <miles.chen@mediatek.com>
Link: https://lore.kernel.org/r/20220208124034.414635-29-wenst@chromium.org
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Chun-Jie Chen <chun-jie.chen@mediatek.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2022-02-17 12:12:25 -08:00
Chun-Jie Chen
e2edf59dec clk: mediatek: Add MT8195 infrastructure clock support
Add MT8195 infrastructure clock controller which provides
clock gate control for basic IP like pwm, uart, spi and so on.

Signed-off-by: Chun-Jie Chen <chun-jie.chen@mediatek.com>
Link: https://lore.kernel.org/r/20210914021633.26377-10-chun-jie.chen@mediatek.com
Reviewed-by: Chen-Yu Tsai <wenst@chromium.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-09-14 15:05:37 -07:00