diff options
| author | Jun Gao <jun.gao@mediatek.com> | 2017-08-21 05:36:54 +0200 |
|---|---|---|
| committer | Wolfram Sang <wsa@the-dreams.de> | 2017-08-27 15:31:00 +0200 |
| commit | 1304fe0916eeb67c78309e54eb819f8b4932ed33 (patch) | |
| tree | 189c212c3c69dd5c9e1e5e538c9a4b4415007837 /drivers/i2c | |
| parent | dt-bindings: i2c: Add MediaTek MT7622 i2c binding (diff) | |
| download | linux-1304fe0916eeb67c78309e54eb819f8b4932ed33.tar.xz linux-1304fe0916eeb67c78309e54eb819f8b4932ed33.zip | |
i2c: mediatek: Add i2c compatible for MediaTek MT7622
Add i2c compatible for MT7622. Compare to MT8173 i2c controller,
MT7622 limits message numbers to 255, and does not support 4GB
DMA mode.
Signed-off-by: Jun Gao <jun.gao@mediatek.com>
Reviewed-by: Yingjoe Chen <yingjoe.chen@mediatek.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/busses/i2c-mt65xx.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/i2c/busses/i2c-mt65xx.c b/drivers/i2c/busses/i2c-mt65xx.c index 9bedf0bf2c4d..09d288ce0ddb 100644 --- a/drivers/i2c/busses/i2c-mt65xx.c +++ b/drivers/i2c/busses/i2c-mt65xx.c @@ -172,6 +172,10 @@ static const struct i2c_adapter_quirks mt6577_i2c_quirks = { .max_comb_2nd_msg_len = 31, }; +static const struct i2c_adapter_quirks mt7622_i2c_quirks = { + .max_num_msgs = 255, +}; + static const struct mtk_i2c_compatible mt6577_compat = { .quirks = &mt6577_i2c_quirks, .pmic_i2c = 0, @@ -190,6 +194,15 @@ static const struct mtk_i2c_compatible mt6589_compat = { .support_33bits = 0, }; +static const struct mtk_i2c_compatible mt7622_compat = { + .quirks = &mt7622_i2c_quirks, + .pmic_i2c = 0, + .dcm = 1, + .auto_restart = 1, + .aux_len_reg = 1, + .support_33bits = 0, +}; + static const struct mtk_i2c_compatible mt8173_compat = { .pmic_i2c = 0, .dcm = 1, @@ -201,6 +214,7 @@ static const struct mtk_i2c_compatible mt8173_compat = { 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,mt8173-i2c", .data = &mt8173_compat }, {} }; |