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Commit 1304fe09 authored by Jun Gao's avatar Jun Gao Committed by Wolfram Sang
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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: default avatarJun Gao <jun.gao@mediatek.com>
Reviewed-by: default avatarYingjoe Chen <yingjoe.chen@mediatek.com>
Signed-off-by: default avatarWolfram Sang <wsa@the-dreams.de>
parent c50b2e93

drivers/i2c/busses/i2c-mt65xx.c

+14 −0
Original line number Diff line number Diff line
@@ -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 },

	{}

};