[PATCH v1 2/2] i2c: mediatek: Add i2c compatible for Mediatek MT8168

Kewei Xu
2022-03-07T03:37:06Z

Add i2c compatible for MT8168. Compare to MT2712 i2c controller,
MT8168 need to synchronize signal with dma.

Signed-off-by: Kewei Xu <kewei.xu@mediatek.com>
---
drivers/i2c/busses/i2c-mt65xx.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)

diff --git a/drivers/i2c/busses/i2c-mt65xx.c b/drivers/i2c/busses/i2c-mt65xx.c
index 682293ec9825..99db0a2ebe9c 100644
--- a/drivers/i2c/busses/i2c-mt65xx.c
+++ b/drivers/i2c/busses/i2c-mt65xx.c
@@ -371,6 +371,19 @@ static const struct mtk_i2c_compatible mt7622_compat = {
.max_dma_support = 32,
};

+static const struct mtk_i2c_compatible mt8168_compat = {
+ .regs = mt_i2c_regs_v1,
+ .pmic_i2c = 0,
+ .dcm = 1,
+ .auto_restart = 1,
+ .aux_len_reg = 1,
+ .timing_adjust = 1,
+ .dma_sync = 1,
+ .ltiming_adjust = 0,
+ .apdma_sync = 0,
+ .max_dma_support = 33,
+};
+
static const struct mtk_i2c_compatible mt8173_compat = {
.regs = mt_i2c_regs_v1,
.pmic_i2c = 0,
@@ -430,6 +443,7 @@ 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,mt8168-i2c", .data = &mt8168_compat },
{ .compatible = "mediatek,mt8173-i2c", .data = &mt8173_compat },
{ .compatible = "mediatek,mt8183-i2c", .data = &mt8183_compat },
{ .compatible = "mediatek,mt8186-i2c", .data = &mt8186_compat },
--
2.18.0