i2c: mediatek: Add i2c compatible for Mediatek MT8168

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>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Qii Wang <qii.wang@mediatek.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>

diff --git a/drivers/i2c/busses/i2c-mt65xx.c b/drivers/i2c/busses/i2c-mt65xx.c
index 7dde3b6..f651d3e 100644 (file)
--- a/drivers/i2c/busses/i2c-mt65xx.c
+++ b/drivers/i2c/busses/i2c-mt65xx.c
@@ -389,6 +389,19 @@ 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,
@@ -448,6 +461,7 @@ 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 },