Re: [PATCH v3 2/2] i2c: mediatek: Add i2c compatible for MediaTek MT7622

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On Tue, 2017-08-15 at 21:08 +0800, Jun Gao wrote:
> From: Jun Gao <jun.gao@xxxxxxxxxxxx>
> 
> 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@xxxxxxxxxxxx>

you seemed missing a Reviewed-by tag from Joe.C

http://lists.infradead.org/pipermail/linux-mediatek/2017-August/009975.html


> ---
>  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 9bedf0b..09d288c 100644
> --- a/drivers/i2c/busses/i2c-mt65xx.c
> +++ b/drivers/i2c/busses/i2c-mt65xx.c
> @@ -172,6 +172,10 @@ struct mtk_i2c {
>  	.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 @@ 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 +214,7 @@ 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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