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i2c: lpi2c: do not add 4 for bus seq

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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 <peng.fan@nxp.com>
This commit is contained in:
Peng Fan 2018-01-02 15:41:52 +08:00 • committed by Heiko Schocher
parent fdb6c3232f
commit 0074d4bf2d
1 changed files with 4 additions and 4 deletions
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8
drivers/i2c/imx_lpi2c.c
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@ -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;