The number 4 is dedicated on i.MX7ULP, but lpi2c will be reused on i.MX8, 4 is not valid. The seq number could be configured by alias node.
The following patch will use i2c4 as the begin for i.MX7ULP. Signed-off-by: Peng Fan <[email protected]> --- drivers/i2c/imx_lpi2c.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/i2c/imx_lpi2c.c b/drivers/i2c/imx_lpi2c.c index e7ec17f..de74e89 100644 --- a/drivers/i2c/imx_lpi2c.c +++ b/drivers/i2c/imx_lpi2c.c @@ -258,7 +258,7 @@ static int bus_i2c_set_bus_speed(struct udevice *bus, int speed) int i; regs = (struct imx_lpi2c_reg *)devfdt_get_addr(bus); - clock_rate = imx_get_i2cclk(bus->seq + 4); + clock_rate = imx_get_i2cclk(bus->seq); if (!clock_rate) return -EPERM; @@ -419,14 +419,14 @@ static int imx_lpi2c_probe(struct udevice *bus) i2c_bus->bus = bus; /* power up i2c resource */ - ret = init_i2c_power(bus->seq + 4); + ret = init_i2c_power(bus->seq); if (ret) { debug("init_i2c_power err = %d\n", ret); return ret; } - /* Enable clk, only i2c4-7 can be handled by A7 core */ - ret = enable_i2c_clk(1, bus->seq + 4); + /* To i.MX7ULP, only i2c4-7 can be handled by A7 core */ + ret = enable_i2c_clk(1, bus->seq); if (ret < 0) return ret; -- 1.9.1 _______________________________________________ U-Boot mailing list [email protected] https://lists.denx.de/listinfo/u-boot
