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path: root/drivers/phy/mediatek/phy-mtk-mipi-dsi-mt8183.c
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2024-01-10phy: mediatek: mipi: mt8183: fix minimal supported frequencyMichael Walle1-1/+1
[ Upstream commit 06f76e464ac81c6915430b7155769ea4ef16efe4 ] 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> Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-09-24phy: mediatek: mipi: mt8183: use common helper to access registersChunfeng Yun1-34/+34
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>
2022-09-24phy: mediatek: mipi: mt8183: use GENMASK to generate bits maskChunfeng Yun1-3/+3
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>
2020-11-30phy: mediatek: Move mtk_mipi_dsi_phy driver into drivers/phy/mediatek folderChun-Kuang Hu1-0/+177
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>