From 3a64845e9d52d77b711b36a282e36f637f33d66b Mon Sep 17 00:00:00 2001 From: Mugunthan V N Date: Mon, 28 Sep 2015 16:17:47 +0530 Subject: [PATCH] drivers: serial: serial_omap: populate default clock frequency when not found in dt In some platforms like am437x, serial node is not populated with clock-frequency node. So in that case have a default clock-clock frequency. Signed-off-by: Mugunthan V N Reviewed-by: Lokesh Vutla --- drivers/serial/serial_omap.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/serial/serial_omap.c b/drivers/serial/serial_omap.c index e8d544f0da..9709444489 100644 --- a/drivers/serial/serial_omap.c +++ b/drivers/serial/serial_omap.c @@ -12,6 +12,8 @@ DECLARE_GLOBAL_DATA_PTR; +#define DEFAULT_CLK_SPEED 48000000 /* 48Mhz */ + #if CONFIG_IS_ENABLED(OF_CONTROL) static const struct udevice_id omap_serial_ids[] = { { .compatible = "ti,omap3-uart" }, @@ -28,7 +30,7 @@ static int omap_serial_ofdata_to_platdata(struct udevice *dev) if (ret) return ret; plat->clock = fdtdec_get_int(gd->fdt_blob, dev->of_offset, - "clock-frequency", -1); + "clock-frequency", DEFAULT_CLK_SPEED); plat->reg_shift = 2; return 0; -- 2.39.5