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So add a devtype check for i.MX7ULP. Signed-off-by: Peng Fan --- drivers/serial/serial_lpuart.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/serial/serial_lpuart.c b/drivers/serial/serial_lpuart.c index ce08a6b4486..653ff99e67b 100644 --- a/drivers/serial/serial_lpuart.c +++ b/drivers/serial/serial_lpuart.c @@ -111,11 +111,18 @@ u32 __weak get_lpuart_clk(void) #if CONFIG_IS_ENABLED(CLK) static int get_lpuart_clk_rate(struct udevice *dev, u32 *clk) { + struct lpuart_serial_plat *plat = dev_get_plat(dev); struct clk per_clk; ulong rate; int ret; + char *name; - ret = clk_get_by_name(dev, "per", &per_clk); + if (plat->devtype == DEV_MX7ULP) + name = "ipg"; + else + name = "per"; + + ret = clk_get_by_name(dev, name, &per_clk); if (ret) { dev_err(dev, "Failed to get per clk: %d\n", ret); return ret; -- 2.35.3