diff options
| author | Ye Li <ye.li@nxp.com> | 2017-03-24 16:12:14 +0800 |
|---|---|---|
| committer | Ye Li <ye.li@nxp.com> | 2018-04-27 02:32:25 -0700 |
| commit | 9168fd3982efaecffecf9c279a94ad7adaf9ad44 (patch) | |
| tree | ae1c85a4cf7dae8c119c5b14ae1e2c769d35d223 /drivers/serial | |
| parent | a89a8bf4168e0473ec12e367d65f5aa3316de9ab (diff) | |
MLK-14938-12 serial_lpuart: Update lpuart driver to support i.MX8
Add i.MX8 compatible string and cpu type support to lpuart driver,
to use little endian 32 bits configurations.
Signed-off-by: Ye Li <ye.li@nxp.com>
(cherry picked from commit 0b1a70b2e3f519d6bf6c34f0df3a81ff1a4852cb)
Diffstat (limited to 'drivers/serial')
| -rw-r--r-- | drivers/serial/serial_lpuart.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/serial/serial_lpuart.c b/drivers/serial/serial_lpuart.c index 536d30f66a..55b0df004c 100644 --- a/drivers/serial/serial_lpuart.c +++ b/drivers/serial/serial_lpuart.c @@ -55,7 +55,8 @@ DECLARE_GLOBAL_DATA_PTR; enum lpuart_devtype { DEV_VF610 = 1, DEV_LS1021A, - DEV_MX7ULP + DEV_MX7ULP, + DEV_IMX8 }; struct lpuart_serial_platdata { @@ -326,7 +327,7 @@ 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 */ @@ -343,7 +344,7 @@ 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); @@ -428,6 +429,8 @@ 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; } @@ -445,6 +448,8 @@ 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 }, { } }; |