On Thu, 2017-08-10 at 10:27 +0800, Jun Gao wrote:
> From: Jun Gao <jun....@mediatek.com>
> 
> Add i2c compatible for MT7622. Compare to MT8173 i2c controller,
> MT7622 limits message numbers to 255, and does not support 4GB
> DMA mode.
> 

These two resend patches only modify commit message.
Thanks!

Jun

> Signed-off-by: Jun Gao <jun....@mediatek.com>
> ---
>  drivers/i2c/busses/i2c-mt65xx.c | 18 ++++++++++++++++++
>  1 file changed, 18 insertions(+)
> 
> diff --git a/drivers/i2c/busses/i2c-mt65xx.c b/drivers/i2c/busses/i2c-mt65xx.c
> index 9bedf0b..2c7f847 100644
> --- a/drivers/i2c/busses/i2c-mt65xx.c
> +++ b/drivers/i2c/busses/i2c-mt65xx.c
> @@ -172,6 +172,14 @@ struct mtk_i2c {
>       .max_comb_2nd_msg_len = 31,
>  };
>  
> +static const struct i2c_adapter_quirks mt7622_i2c_quirks = {
> +     .max_num_msgs = 255,
> +     .max_write_len = 65535,
> +     .max_read_len = 65535,
> +     .max_comb_1st_msg_len = 65535,
> +     .max_comb_2nd_msg_len = 65535,
> +};
> +
>  static const struct mtk_i2c_compatible mt6577_compat = {
>       .quirks = &mt6577_i2c_quirks,
>       .pmic_i2c = 0,
> @@ -190,6 +198,15 @@ struct mtk_i2c {
>       .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 +218,7 @@ struct mtk_i2c {
>  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 },
>       {}
>  };


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