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7f0e1373f4
Pick accepted patches from upstream Linux tree instead of having to
maintain our slightly different downstream patches.
Import pending patch fixing I2C on MT7981 by making sure all clocks
are enabled before accessing I2C registers.
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
(cherry picked from commit 213b728276)
45 lines
1.6 KiB
Diff
45 lines
1.6 KiB
Diff
From 11f9a0f4e51887ad7b4a2898a368fcd0c2984e89 Mon Sep 17 00:00:00 2001
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From: Frank Wunderlich <frank-w@public-files.de>
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Date: Sun, 9 Oct 2022 12:16:31 +0200
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Subject: [PATCH 12/16] i2c: mediatek: add mt7986 support
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Add i2c support for MT7986 SoC.
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Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
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Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.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 | 14 ++++++++++++++
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1 file changed, 14 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 +431,19 @@ 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 mt7986_compat = {
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+ .quirks = &mt7622_i2c_quirks,
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+ .regs = mt_i2c_regs_v1,
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+ .pmic_i2c = 0,
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+ .dcm = 1,
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+ .auto_restart = 1,
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+ .aux_len_reg = 1,
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+ .timing_adjust = 0,
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+ .dma_sync = 1,
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+ .ltiming_adjust = 0,
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+ .max_dma_support = 32,
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+};
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+
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static const struct mtk_i2c_compatible mt8173_compat = {
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.regs = mt_i2c_regs_v1,
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.pmic_i2c = 0,
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@@ -503,6 +516,7 @@ 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,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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{ .compatible = "mediatek,mt8183-i2c", .data = &mt8183_compat },
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