#include <watchdog.h>
#include <asm/io.h>
#include <serial.h>
+#include <dm/device_compat.h>
#include <linux/compiler.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/clock.h>
#define FIFO_RXSIZE_MASK 0x7
#define FIFO_RXSIZE_OFF 0
#define FIFO_TXFE 0x80
-#ifdef CONFIG_ARCH_IMX8
+#if defined(CONFIG_ARCH_IMX8) || defined(CONFIG_ARCH_IMXRT)
#define FIFO_RXFE 0x08
#else
#define FIFO_RXFE 0x40
DEV_VF610 = 1,
DEV_LS1021A,
DEV_MX7ULP,
- DEV_IMX8
+ DEV_IMX8,
+ DEV_IMXRT,
};
struct lpuart_serial_platdata {
lpuart_write32(plat->flags, &base->match, 0);
- if (plat->devtype == DEV_MX7ULP || plat->devtype == DEV_IMX8) {
+ if (plat->devtype == DEV_MX7ULP || plat->devtype == DEV_IMX8 ||
+ plat->devtype == DEV_IMXRT) {
_lpuart32_serial_setbrg_7ulp(dev, gd->baudrate);
} else {
/* provide data bits, parity, stop bit, etc */
struct lpuart_serial_platdata *plat = dev_get_platdata(dev);
if (is_lpuart32(dev)) {
- if (plat->devtype == DEV_MX7ULP || plat->devtype == DEV_IMX8)
+ if (plat->devtype == DEV_MX7ULP || plat->devtype == DEV_IMX8 ||
+ plat->devtype == DEV_IMXRT)
_lpuart32_serial_setbrg_7ulp(dev, baudrate);
else
_lpuart32_serial_setbrg(dev, baudrate);
static int lpuart_serial_probe(struct udevice *dev)
{
+#if CONFIG_IS_ENABLED(CLK)
+ struct clk per_clk;
+ int ret;
+
+ ret = clk_get_by_name(dev, "per", &per_clk);
+ if (!ret) {
+ ret = clk_enable(&per_clk);
+ if (ret) {
+ dev_err(dev, "Failed to get per clk: %d\n", ret);
+ return ret;
+ }
+ } else {
+ debug("%s: Failed to get per clk: %d\n", __func__, ret);
+ }
+#endif
+
if (is_lpuart32(dev))
return _lpuart32_serial_init(dev);
else
plat->devtype = DEV_VF610;
else if (!fdt_node_check_compatible(blob, node, "fsl,imx8qm-lpuart"))
plat->devtype = DEV_IMX8;
+ else if (!fdt_node_check_compatible(blob, node, "fsl,imxrt-lpuart"))
+ plat->devtype = DEV_IMXRT;
return 0;
}
{ .compatible = "fsl,vf610-lpuart"},
{ .compatible = "fsl,imx8qm-lpuart",
.data = LPUART_FLAG_REGMAP_32BIT_REG },
+ { .compatible = "fsl,imxrt-lpuart",
+ .data = LPUART_FLAG_REGMAP_32BIT_REG },
{ }
};