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authorDaniel Golle <daniel@makrotopia.org>2023-04-10 17:19:38 +0100
committerWolfram Sang <wsa@kernel.org>2023-04-13 18:40:36 +0200
commitf82fd1845d309407a6ddc3a1c97c6088189c3a58 (patch)
treeffa7659f11a81c1013cbf6fbcf5c1f8d356d5890 /drivers/i2c
parent4b5256571951eaa581fb8169e8c460429948d208 (diff)
i2c: mediatek: add support for MT7981 SoC
Add support for the I2C units found in the MediaTek MT7981 and MT7988 SoCs. Just like other recent MediaTek I2C units that also uses v3 register offsets (which differ from v2 only by OFFSET_SLAVE_ADDR being 0x94 instead of 0x4). Signed-off-by: Daniel Golle <daniel@makrotopia.org> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Reviewed-by: Alexandre Mergnat <amergnat@baylibre.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
Diffstat (limited to 'drivers/i2c')
-rw-r--r--drivers/i2c/busses/i2c-mt65xx.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/i2c/busses/i2c-mt65xx.c b/drivers/i2c/busses/i2c-mt65xx.c
index 59eaefe999b1..a43c4d77739a 100644
--- a/drivers/i2c/busses/i2c-mt65xx.c
+++ b/drivers/i2c/busses/i2c-mt65xx.c
@@ -431,6 +431,18 @@ static const struct mtk_i2c_compatible mt8168_compat = {
.max_dma_support = 33,
};
+static const struct mtk_i2c_compatible mt7981_compat = {
+ .regs = mt_i2c_regs_v3,
+ .pmic_i2c = 0,
+ .dcm = 0,
+ .auto_restart = 1,
+ .aux_len_reg = 1,
+ .timing_adjust = 1,
+ .dma_sync = 1,
+ .ltiming_adjust = 1,
+ .max_dma_support = 33
+};
+
static const struct mtk_i2c_compatible mt7986_compat = {
.quirks = &mt7622_i2c_quirks,
.regs = mt_i2c_regs_v1,
@@ -516,6 +528,7 @@ static const struct of_device_id mtk_i2c_of_match[] = {
{ .compatible = "mediatek,mt6577-i2c", .data = &mt6577_compat },
{ .compatible = "mediatek,mt6589-i2c", .data = &mt6589_compat },
{ .compatible = "mediatek,mt7622-i2c", .data = &mt7622_compat },
+ { .compatible = "mediatek,mt7981-i2c", .data = &mt7981_compat },
{ .compatible = "mediatek,mt7986-i2c", .data = &mt7986_compat },
{ .compatible = "mediatek,mt8168-i2c", .data = &mt8168_compat },
{ .compatible = "mediatek,mt8173-i2c", .data = &mt8173_compat },