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| author | Vikas Manocha <vikas.manocha@st.com> | 2017-02-12 18:25:44 (GMT) |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2017-03-17 18:15:12 (GMT) |
| commit | 42bf5e7c27ae73b0e56c29f5af3cae5d15d35afa (patch) | |
| tree | f9d107939b11b08fbb978440b98a040fc0405132 /drivers/serial | |
| parent | c62c1b3c24408bdc48fba92d1ed6011e3a053beb (diff) | |
| download | u-boot-42bf5e7c27ae73b0e56c29f5af3cae5d15d35afa.tar.xz | |
serial: stm32f7: add device tree support
This patch adds device tree support for stm32f7 serial driver & removes serial
platform data structure.
Signed-off-by: Vikas Manocha <vikas.manocha@st.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/serial')
| -rw-r--r-- | drivers/serial/serial_stm32x7.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/serial/serial_stm32x7.c b/drivers/serial/serial_stm32x7.c index 592c0bd..2e6c676 100644 --- a/drivers/serial/serial_stm32x7.c +++ b/drivers/serial/serial_stm32x7.c @@ -81,6 +81,27 @@ static int stm32_serial_probe(struct udevice *dev) return 0; } +#if CONFIG_IS_ENABLED(OF_CONTROL) +static const struct udevice_id stm32_serial_id[] = { + {.compatible = "st,stm32-usart"}, + {.compatible = "st,stm32-uart"}, + {} +}; + +static int stm32_serial_ofdata_to_platdata(struct udevice *dev) +{ + struct stm32x7_serial_platdata *plat = dev_get_platdata(dev); + fdt_addr_t addr; + + addr = dev_get_addr(dev); + if (addr == FDT_ADDR_T_NONE) + return -EINVAL; + + plat->base = (struct stm32_usart *)addr; + return 0; +} +#endif + static const struct dm_serial_ops stm32_serial_ops = { .putc = stm32_serial_putc, .pending = stm32_serial_pending, @@ -91,6 +112,9 @@ static const struct dm_serial_ops stm32_serial_ops = { U_BOOT_DRIVER(serial_stm32) = { .name = "serial_stm32x7", .id = UCLASS_SERIAL, + .of_match = of_match_ptr(stm32_serial_id), + .ofdata_to_platdata = of_match_ptr(stm32_serial_ofdata_to_platdata), + .platdata_auto_alloc_size = sizeof(struct stm32x7_serial_platdata), .ops = &stm32_serial_ops, .probe = stm32_serial_probe, .flags = DM_FLAG_PRE_RELOC, |