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serial: ns16550: Enable clocks during probe

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If the UART bus or baud clock has a gate, it must be enabled before the
UART can be used.

Signed-off-by: Samuel Holland <samuel@sholland.org>
This commit is contained in:
Samuel Holland 2022-10-30 14:56:10 -05:00
parent a90afc6730
commit f6851b27ad
1 changed files with 5 additions and 0 deletions
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5
drivers/serial/ns16550.c
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@ -506,6 +506,7 @@ int ns16550_serial_probe(struct udevice *dev)
struct ns16550_plat *plat = dev_get_plat(dev);
struct ns16550 *const com_port = dev_get_priv(dev);
struct reset_ctl_bulk reset_bulk;
struct clk_bulk clk_bulk;
fdt_addr_t addr;
int ret;
@ -524,6 +525,10 @@ int ns16550_serial_probe(struct udevice *dev)
if (!ret)
reset_deassert_bulk(&reset_bulk);
ret = clk_get_bulk(dev, &clk_bulk);
if (!ret)
clk_enable_bulk(&clk_bulk);
com_port->plat = dev_get_plat(dev);
ns16550_init(com_port, -1);