Rockchip RV1126 has a special case grf offset/mask for i2c2 Signed-off-by: Tim Lunn <tim@xxxxxxxxxxxxxx> --- drivers/i2c/busses/i2c-rk3x.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/i2c/busses/i2c-rk3x.c b/drivers/i2c/busses/i2c-rk3x.c index a044ca0c35a1..83b7bf7b48a7 100644 --- a/drivers/i2c/busses/i2c-rk3x.c +++ b/drivers/i2c/busses/i2c-rk3x.c @@ -1288,8 +1288,12 @@ static int rk3x_i2c_probe(struct platform_device *pdev) return -EINVAL; } - /* 27+i: write mask, 11+i: value */ - value = BIT(27 + bus_nr) | BIT(11 + bus_nr); + if (i2c->soc_data == &rv1126_soc_data && bus_nr == 2) + /* rv1126 i2c2 set pmugrf offset-0x118, bit-4 */ + value = BIT(20) | BIT(4); + else + /* 27+i: write mask, 11+i: value */ + value = BIT(27 + bus_nr) | BIT(11 + bus_nr); ret = regmap_write(grf, i2c->soc_data->grf_offset, value); if (ret != 0) { -- 2.40.1