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dm: serial: ns16550: Convert to livetree

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Update this driver to support a live device tree.

Signed-off-by: Simon Glass <sjg@chromium.org>
Tested-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Tested-on: Beaver, Jetson-TK1
This commit is contained in:
Simon Glass 2017-06-12 06:21:56 -06:00
parent 03bc3f18b7
commit db9f8f6ad5
1 changed files with 5 additions and 10 deletions
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15
drivers/serial/ns16550.c
View file

@ -8,7 +8,6 @@
#include <clk.h>
#include <dm.h>
#include <errno.h>
#include <fdtdec.h>
#include <ns16550.h>
#include <serial.h>
#include <watchdog.h>
@ -395,7 +394,7 @@ int ns16550_serial_ofdata_to_platdata(struct udevice *dev)
int err;
/* try Processor Local Bus device first */
addr = devfdt_get_addr(dev);
addr = dev_read_addr(dev);
#if defined(CONFIG_PCI) && defined(CONFIG_DM_PCI)
if (addr == FDT_ADDR_T_NONE) {
/* then try pci device */
@ -434,11 +433,8 @@ int ns16550_serial_ofdata_to_platdata(struct udevice *dev)
plat->base = (unsigned long)map_physmem(addr, 0, MAP_NOCACHE);
#endif
plat->reg_offset = fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev),
"reg-offset", 0);
plat->reg_shift = fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev),
"reg-shift", 0);
plat->reg_offset = dev_read_u32_default(dev, "reg-offset", 0);
plat->reg_shift = dev_read_u32_default(dev, "reg-shift", 0);
err = clk_get_by_index(dev, 0, &clk);
if (!err) {
err = clk_get_rate(&clk);
@ -450,9 +446,8 @@ int ns16550_serial_ofdata_to_platdata(struct udevice *dev)
}
if (!plat->clock)
plat->clock = fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev),
"clock-frequency",
CONFIG_SYS_NS16550_CLK);
plat->clock = dev_read_u32_default(dev, "clock-frequency",
CONFIG_SYS_NS16550_CLK);
if (!plat->clock) {
debug("ns16550 clock not defined\n");
return -EINVAL;