diff options
| author | Thomas Abraham <thomas.ab@samsung.com> | 2016-04-23 16:48:11 (GMT) |
|---|---|---|
| committer | Minkyu Kang <mk7.kang@samsung.com> | 2016-05-25 01:00:19 (GMT) |
| commit | cf75cdf96ef288410222737eca98cf28cdbafbe2 (patch) | |
| tree | 0343c9911c499e14d5afeb3028764b74e3a7ddbe /drivers/serial | |
| parent | 5ab6c4df27c9188251ff43a536c90ede57ba48fe (diff) | |
| download | u-boot-cf75cdf96ef288410222737eca98cf28cdbafbe2.tar.xz | |
serial: s5p: use clock api to get clock rate
On Exynos platforms that support clock driver API, allow the driver to
use clock api get the SCLK clock rate.
Cc: Minkyu Kang <mk7.kang@samsung.com>
Signed-off-by: Thomas Abraham <thomas.ab@samsung.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Diffstat (limited to 'drivers/serial')
| -rw-r--r-- | drivers/serial/serial_s5p.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/serial/serial_s5p.c b/drivers/serial/serial_s5p.c index 8590dfd..cb55c5a 100644 --- a/drivers/serial/serial_s5p.c +++ b/drivers/serial/serial_s5p.c @@ -17,6 +17,7 @@ #include <asm/arch/clk.h> #include <asm/arch/uart.h> #include <serial.h> +#include <clk.h> DECLARE_GLOBAL_DATA_PTR; @@ -90,7 +91,19 @@ int s5p_serial_setbrg(struct udevice *dev, int baudrate) { struct s5p_serial_platdata *plat = dev->platdata; struct s5p_uart *const uart = plat->reg; - u32 uclk = get_uart_clk(plat->port_id); + u32 uclk; + +#ifdef CONFIG_CLK_EXYNOS + struct udevice *clk_dev; + u32 ret; + + ret = clk_get_by_index(dev, 1, &clk_dev); + if (ret < 0) + return ret; + uclk = clk_get_periph_rate(clk_dev, ret); +#else + uclk = get_uart_clk(plat->port_id); +#endif s5p_serial_baud(uart, uclk, baudrate); |