Commit 1b48006e authored by Kewei Xu's avatar Kewei Xu Committed by Wolfram Sang
Browse files

i2c: mediatek: add i2c compatible for MT8188 



Add i2c compatible for MT8188 and added mt_i2c_regs_v3[], since
MT8188 i2c OFFSET_SLAVE_ADDR register changed from 0x04 to 0x94.

Signed-off-by: default avatarKewei Xu <kewei.xu@mediatek.com>
Reviewed-by: default avatarAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: default avatarQii Wang <qii.wang@mediatek.com>
Signed-off-by: default avatarWolfram Sang <wsa@kernel.org>
parent 3a8b5429

drivers/i2c/busses/i2c-mt65xx.c

+43 −0
Original line number Diff line number Diff line
@@ -229,6 +229,35 @@ static const u16 mt_i2c_regs_v2[] = { 
	[OFFSET_DCM_EN] = 0xf88,

};



static const u16 mt_i2c_regs_v3[] = {

	[OFFSET_DATA_PORT] = 0x0,

	[OFFSET_INTR_MASK] = 0x8,

	[OFFSET_INTR_STAT] = 0xc,

	[OFFSET_CONTROL] = 0x10,

	[OFFSET_TRANSFER_LEN] = 0x14,

	[OFFSET_TRANSAC_LEN] = 0x18,

	[OFFSET_DELAY_LEN] = 0x1c,

	[OFFSET_TIMING] = 0x20,

	[OFFSET_START] = 0x24,

	[OFFSET_EXT_CONF] = 0x28,

	[OFFSET_LTIMING] = 0x2c,

	[OFFSET_HS] = 0x30,

	[OFFSET_IO_CONFIG] = 0x34,

	[OFFSET_FIFO_ADDR_CLR] = 0x38,

	[OFFSET_SDA_TIMING] = 0x3c,

	[OFFSET_TRANSFER_LEN_AUX] = 0x44,

	[OFFSET_CLOCK_DIV] = 0x48,

	[OFFSET_SOFTRESET] = 0x50,

	[OFFSET_MULTI_DMA] = 0x8c,

	[OFFSET_SCL_MIS_COMP_POINT] = 0x90,

	[OFFSET_SLAVE_ADDR] = 0x94,

	[OFFSET_DEBUGSTAT] = 0xe4,

	[OFFSET_DEBUGCTRL] = 0xe8,

	[OFFSET_FIFO_STAT] = 0xf4,

	[OFFSET_FIFO_THRESH] = 0xf8,

	[OFFSET_DCM_EN] = 0xf88,

};



struct mtk_i2c_compatible {

	const struct i2c_adapter_quirks *quirks;

	const u16 *regs;
@@ -442,6 +471,19 @@ static const struct mtk_i2c_compatible mt8186_compat = { 
	.max_dma_support = 36,

};



static const struct mtk_i2c_compatible mt8188_compat = {

	.regs = mt_i2c_regs_v3,

	.pmic_i2c = 0,

	.dcm = 0,

	.auto_restart = 1,

	.aux_len_reg = 1,

	.timing_adjust = 1,

	.dma_sync = 0,

	.ltiming_adjust = 1,

	.apdma_sync = 1,

	.max_dma_support = 36,

};



static const struct mtk_i2c_compatible mt8192_compat = {

	.quirks = &mt8183_i2c_quirks,

	.regs = mt_i2c_regs_v2,
@@ -465,6 +507,7 @@ static const struct of_device_id mtk_i2c_of_match[] = { 
	{ .compatible = "mediatek,mt8173-i2c", .data = &mt8173_compat },

	{ .compatible = "mediatek,mt8183-i2c", .data = &mt8183_compat },

	{ .compatible = "mediatek,mt8186-i2c", .data = &mt8186_compat },

	{ .compatible = "mediatek,mt8188-i2c", .data = &mt8188_compat },

	{ .compatible = "mediatek,mt8192-i2c", .data = &mt8192_compat },

	{}

};