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authorKewei Xu <kewei.xu@mediatek.com>2022-08-06 13:02:49 +0300
committerWolfram Sang <wsa@kernel.org>2022-08-12 00:02:51 +0300
commit1b48006ed477827848a2b14d70c764fb280c595d (patch)
tree99dff09a489ed2b8ac8b288429fe12494e63aa59 /drivers/i2c
parent3a8b54298cbee5d56a710f70863226b0ed84aa27 (diff)
downloadlinux-1b48006ed477827848a2b14d70c764fb280c595d.tar.xz
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: Kewei Xu <kewei.xu@mediatek.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Reviewed-by: Qii Wang <qii.wang@mediatek.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
Diffstat (limited to 'drivers/i2c')
-rw-r--r--drivers/i2c/busses/i2c-mt65xx.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/i2c/busses/i2c-mt65xx.c b/drivers/i2c/busses/i2c-mt65xx.c
index 8e6985354fd5..bd8abba3d1c9 100644
--- a/drivers/i2c/busses/i2c-mt65xx.c
+++ b/drivers/i2c/busses/i2c-mt65xx.c
@@ -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 },
{}
};