diff options
Diffstat (limited to 'drivers/serial')
| -rw-r--r-- | drivers/serial/serial_lpuart.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/serial/serial_lpuart.c b/drivers/serial/serial_lpuart.c index 1212b726763..c14a8105c92 100644 --- a/drivers/serial/serial_lpuart.c +++ b/drivers/serial/serial_lpuart.c @@ -41,7 +41,11 @@ #define CTRL_RE (1 << 18) #define FIFO_TXFE 0x80 +#ifdef CONFIG_ARCH_IMX8 +#define FIFO_RXFE 0x08 +#else #define FIFO_RXFE 0x40 +#endif #define WATER_TXWATER_OFF 1 #define WATER_RXWATER_OFF 16 @@ -54,7 +58,8 @@ DECLARE_GLOBAL_DATA_PTR; enum lpuart_devtype { DEV_VF610 = 1, DEV_LS1021A, - DEV_MX7ULP + DEV_MX7ULP, + DEV_IMX8 }; struct lpuart_serial_platdata { @@ -325,7 +330,7 @@ static int _lpuart32_serial_init(struct lpuart_serial_platdata *plat) lpuart_write32(plat->flags, &base->match, 0); - if (plat->devtype == DEV_MX7ULP) { + if (plat->devtype == DEV_MX7ULP || plat->devtype == DEV_IMX8) { _lpuart32_serial_setbrg_7ulp(plat, gd->baudrate); } else { /* provide data bits, parity, stop bit, etc */ @@ -342,7 +347,7 @@ static int lpuart_serial_setbrg(struct udevice *dev, int baudrate) struct lpuart_serial_platdata *plat = dev->platdata; if (is_lpuart32(dev)) { - if (plat->devtype == DEV_MX7ULP) + if (plat->devtype == DEV_MX7ULP || plat->devtype == DEV_IMX8) _lpuart32_serial_setbrg_7ulp(plat, baudrate); else _lpuart32_serial_setbrg(plat, baudrate); @@ -427,6 +432,8 @@ static int lpuart_serial_ofdata_to_platdata(struct udevice *dev) plat->devtype = DEV_MX7ULP; else if (!fdt_node_check_compatible(blob, node, "fsl,vf610-lpuart")) plat->devtype = DEV_VF610; + else if (!fdt_node_check_compatible(blob, node, "fsl,imx8qm-lpuart")) + plat->devtype = DEV_IMX8; return 0; } @@ -444,6 +451,8 @@ static const struct udevice_id lpuart_serial_ids[] = { { .compatible = "fsl,imx7ulp-lpuart", .data = LPUART_FLAG_REGMAP_32BIT_REG }, { .compatible = "fsl,vf610-lpuart"}, + { .compatible = "fsl,imx8qm-lpuart", + .data = LPUART_FLAG_REGMAP_32BIT_REG }, { } }; |