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zephyr/drivers/serial
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Martin Åberg 40ab00ac3d drivers/apbuart: add TX FIFO interrupt support 
Use TX FIFO level interrupt if available in hardware. It matches the
Zephyr UART API and avoids "bootstrapping" which is needed when using
the TX edge interrupt ("TI"). TX FIFO has room for up to 32 characters
and will typically reduce the number of interrupts.

Details:
APBUART can be synthesized with or without support for TX/RX FIFO.
Edge interrupts which fire when TX holding register changes and RX data
available are always available, independent of the FIFO configuration.
If FIFO is made available at synthesis time, two additional interrupts
become available: TX FIFO half-empty and RX FIFO half-full. These
are level interrupts.

Signed-off-by: Martin Åberg <martin.aberg@gaisler.com>
2021-01-21 15:53:03 -05:00
..
CMakeLists.txt drivers: serial: ns16550: Remove hard-coded max instance count 2021-01-18 15:45:58 -05:00
Kconfig serial: Add support for GRLIB APBUART 2020-11-13 14:53:55 -08:00
Kconfig.altera_jtag
Kconfig.apbuart serial: apbuart interrupt support 2020-11-13 14:53:55 -08:00
Kconfig.cc13xx_cc26xx
Kconfig.cc32xx
Kconfig.cmsdk_apb
Kconfig.esp32
Kconfig.gecko
Kconfig.imx
Kconfig.leuart_gecko
Kconfig.litex
Kconfig.lpc11u6x
Kconfig.mcux
Kconfig.mcux_flexcomm
Kconfig.mcux_iuart drivers: serial: Add NXP IUART driver 2020-08-14 14:51:50 -05:00
Kconfig.mcux_lpsci
Kconfig.mcux_lpuart
Kconfig.miv
Kconfig.msp432p4xx
Kconfig.native_posix doc: fix broken rST syntax in Kconfig help 2020-11-07 08:29:57 -06:00
Kconfig.npcx driver: npcx7: fixed typo in Kconfig.npcx files. 2020-12-07 12:11:17 -05:00
Kconfig.nrfx power: standarize PM Kconfigs and cleanup 2020-12-09 15:18:29 -05:00
Kconfig.ns16550 drivers: serial: ns16550: Remove hard-coded max instance count 2021-01-18 15:45:58 -05:00
Kconfig.nuvoton
Kconfig.pl011
Kconfig.psoc6
Kconfig.rtt drivers: serial: uart_rtt converted to devicetree 2020-09-03 21:51:28 +02:00
Kconfig.rv32m1_lpuart
Kconfig.sam0
Kconfig.sifive drivers: serial: sifive: use interrupt-cell to set IRQ priority 2021-01-16 17:22:08 -05:00
Kconfig.stellaris
Kconfig.stm32 drivers: serial: implement stm32 uart async api 2021-01-18 19:07:29 +01:00
Kconfig.uart_sam
Kconfig.usart_sam
Kconfig.xlnx
Kconfig.xmc4xxx
leuart_gecko.c drivers: uart: Convert drivers to new DT device macros 2020-12-15 15:28:49 -06:00
uart_altera_jtag_hal.c drivers: serial: Convert DEVICE_AND_API_INIT to DEVICE_DEFINE 2020-12-19 19:59:21 -05:00
uart_apbuart.c drivers/apbuart: add TX FIFO interrupt support 2021-01-21 15:53:03 -05:00
uart_cc13xx_cc26xx.c device: Remove DEVICE_DT_DECLARE / DEVICE_DT_INST_DECLARE 2021-01-15 07:16:21 -06:00
uart_cc32xx.c device: Remove DEVICE_DT_DECLARE / DEVICE_DT_INST_DECLARE 2021-01-15 07:16:21 -06:00
uart_cmsdk_apb.c drivers: uart: Convert drivers to new DT device macros 2020-12-15 15:28:49 -06:00
uart_esp32.c boards: esp32: add XIP support and enable bootloader build 2021-01-13 09:10:46 -05:00
uart_gecko.c drivers: uart: Convert drivers to new DT device macros 2020-12-15 15:28:49 -06:00
uart_handlers.c device: Const-ify all device driver instance pointers 2020-09-02 13:48:13 +02:00
uart_imx.c drivers: uart: Convert drivers to new DT device macros 2020-12-15 15:28:49 -06:00
uart_liteuart.c drivers: uart: Convert drivers to new DT device macros 2020-12-15 15:28:49 -06:00
uart_lpc11u6x.c drivers: serial: uart_lpc11u6x: Convert drivers to new DT device macros 2020-12-19 19:58:33 -05:00
uart_lpc11u6x.h device: Const-ify all device driver instance pointers 2020-09-02 13:48:13 +02:00
uart_mcux_flexcomm.c drivers: uart: Convert drivers to new DT device macros 2020-12-15 15:28:49 -06:00
uart_mcux_iuart.c drivers: uart: Convert drivers to new DT device macros 2020-12-15 15:28:49 -06:00
uart_mcux_lpsci.c drivers: uart: Convert drivers to new DT device macros 2020-12-15 15:28:49 -06:00
uart_mcux_lpuart.c drivers: uart: Convert drivers to new DT device macros 2020-12-15 15:28:49 -06:00
uart_mcux.c drivers: uart: Convert drivers to new DT device macros 2020-12-15 15:28:49 -06:00
uart_miv.c drivers: uart: Convert drivers to new DT device macros 2020-12-15 15:28:49 -06:00
uart_msp432p4xx.c device: Remove DEVICE_DT_DECLARE / DEVICE_DT_INST_DECLARE 2021-01-15 07:16:21 -06:00
uart_native_posix.c drivers: serial: Convert DEVICE_AND_API_INIT to DEVICE_DEFINE 2020-12-19 19:59:21 -05:00
uart_npcx.c drivers: uart: Convert drivers to new DT device macros 2020-12-15 15:28:49 -06:00
uart_nrfx_uart.c device: Remove DEVICE_DT_DECLARE / DEVICE_DT_INST_DECLARE 2021-01-15 07:16:21 -06:00
uart_nrfx_uarte.c device: Remove DEVICE_DT_DECLARE / DEVICE_DT_INST_DECLARE 2021-01-15 07:16:21 -06:00
uart_ns16550_port_x.h drivers: serial: ns16550: Remove hard-coded max instance count 2021-01-18 15:45:58 -05:00
uart_ns16550.c drivers: serial: ns16550: Remove hard-coded max instance count 2021-01-18 15:45:58 -05:00
uart_ns16550.h
uart_nuvoton.c drivers: uart: Convert drivers to new DT device macros 2020-12-15 15:28:49 -06:00
uart_pl011.c drivers: uart: Convert drivers to new DT device macros 2020-12-15 15:28:49 -06:00
uart_psoc6.c drivers: uart: Convert drivers to new DT device macros 2020-12-15 15:28:49 -06:00
uart_rtt.c drivers: uart: Convert drivers to new DT device macros 2020-12-15 15:28:49 -06:00
uart_rv32m1_lpuart.c drivers: uart: Convert drivers to new DT device macros 2020-12-15 15:28:49 -06:00
uart_sam0.c drivers: uart: Convert drivers to new DT device macros 2020-12-15 15:28:49 -06:00
uart_sam.c drivers: uart: Convert drivers to new DT device macros 2020-12-15 15:28:49 -06:00
uart_sifive.c drivers: serial: sifive: use interrupt-cell to set IRQ priority 2021-01-16 17:22:08 -05:00
uart_stellaris.c drivers: uart: Convert drivers to new DT device macros 2020-12-15 15:28:49 -06:00
uart_stm32.c drivers: serial: implement stm32 uart async api 2021-01-18 19:07:29 +01:00
uart_stm32.h drivers: serial: implement stm32 uart async api 2021-01-18 19:07:29 +01:00
uart_xlnx_ps.c device: Remove DEVICE_DT_DECLARE / DEVICE_DT_INST_DECLARE 2021-01-15 07:16:21 -06:00
uart_xlnx_uartlite.c drivers: uart: Convert drivers to new DT device macros 2020-12-15 15:28:49 -06:00
uart_xmc4xxx.c drivers: uart: Convert drivers to new DT device macros 2020-12-15 15:28:49 -06:00
usart_sam.c drivers: uart: Convert drivers to new DT device macros 2020-12-15 15:28:49 -06:00