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https://github.com/Ysurac/openmptcprouter.git
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47 lines
1.8 KiB
Diff
47 lines
1.8 KiB
Diff
From f69f3d662ba3bf999c36d9ac1e684540c4487bc3 Mon Sep 17 00:00:00 2001
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From: Daniel Golle <daniel@makrotopia.org>
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Date: Mon, 10 Apr 2023 17:19:38 +0100
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Subject: [PATCH 15/16] i2c: mediatek: add support for MT7981 SoC
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Add support for the I2C units found in the MediaTek MT7981 and MT7988
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SoCs. Just like other recent MediaTek I2C units that also uses v3
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register offsets (which differ from v2 only by OFFSET_SLAVE_ADDR being
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0x94 instead of 0x4).
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Signed-off-by: Daniel Golle <daniel@makrotopia.org>
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Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
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Reviewed-by: Alexandre Mergnat <amergnat@baylibre.com>
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Signed-off-by: Wolfram Sang <wsa@kernel.org>
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---
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drivers/i2c/busses/i2c-mt65xx.c | 13 +++++++++++++
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1 file changed, 13 insertions(+)
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--- a/drivers/i2c/busses/i2c-mt65xx.c
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+++ b/drivers/i2c/busses/i2c-mt65xx.c
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@@ -431,6 +431,18 @@ static const struct mtk_i2c_compatible m
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.max_dma_support = 33,
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};
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+static const struct mtk_i2c_compatible mt7981_compat = {
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+ .regs = mt_i2c_regs_v3,
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+ .pmic_i2c = 0,
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+ .dcm = 0,
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+ .auto_restart = 1,
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+ .aux_len_reg = 1,
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+ .timing_adjust = 1,
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+ .dma_sync = 1,
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+ .ltiming_adjust = 1,
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+ .max_dma_support = 33
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+};
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+
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static const struct mtk_i2c_compatible mt7986_compat = {
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.quirks = &mt7622_i2c_quirks,
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.regs = mt_i2c_regs_v1,
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@@ -516,6 +528,7 @@ static const struct of_device_id mtk_i2c
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{ .compatible = "mediatek,mt6577-i2c", .data = &mt6577_compat },
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{ .compatible = "mediatek,mt6589-i2c", .data = &mt6589_compat },
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{ .compatible = "mediatek,mt7622-i2c", .data = &mt7622_compat },
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+ { .compatible = "mediatek,mt7981-i2c", .data = &mt7981_compat },
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{ .compatible = "mediatek,mt7986-i2c", .data = &mt7986_compat },
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{ .compatible = "mediatek,mt8168-i2c", .data = &mt8168_compat },
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{ .compatible = "mediatek,mt8173-i2c", .data = &mt8173_compat },
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