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4 Commits

Author SHA1 Message Date
Michael Walle
06f76e464a phy: mediatek: mipi: mt8183: fix minimal supported frequency 
The lowest supported clock frequency of the PHY is 125MHz (see also
mtk_mipi_tx_pll_enable()), but the clamping in .round_rate() has the
wrong minimal value, which will make the .enable() op return -EINVAL on
low frequencies. Fix the minimal clamping value.

Fixes: efda51a58b4a ("drm/mediatek: add mipi_tx driver for mt8183")
Signed-off-by: Michael Walle <mwalle@kernel.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20231123110202.2025585-1-mwalle@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
 2023-11-27 18:23:26 +05:30
Chunfeng Yun
5f88a93b5a phy: mediatek: mipi: mt8183: use common helper to access registers 
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>
 2022-09-24 11:57:51 +05:30
Chunfeng Yun
d36d69a551 phy: mediatek: mipi: mt8183: use GENMASK to generate bits mask 
Use GENMASK() macro to generate bits mask

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220920090038.15133-17-chunfeng.yun@mediatek.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
 2022-09-24 11:57:51 +05:30
Chun-Kuang Hu
90f80d9599 phy: mediatek: Move mtk_mipi_dsi_phy driver into drivers/phy/mediatek folder 
mtk_mipi_dsi_phy is currently placed inside mediatek drm driver, but it's
more suitable to place a phy driver into phy driver folder, so move
mtk_mipi_dsi_phy driver into phy driver folder.

Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Acked-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Acked-by: Vinod Koul <vkoul@kernel.org>
 2020-11-30 23:42:40 +08:00