| /Linux-v5.4/Documentation/devicetree/bindings/serial/ |
| D | renesas,sci-serial.txt | 7 - "renesas,scif-r7s72100" for R7S72100 (RZ/A1H) SCIF compatible UART.
8 - "renesas,scif-r7s9210" for R7S9210 (RZ/A2) SCIF compatible UART.
9 - "renesas,scifa-r8a73a4" for R8A73A4 (R-Mobile APE6) SCIFA compatible UART.
10 - "renesas,scifb-r8a73a4" for R8A73A4 (R-Mobile APE6) SCIFB compatible UART.
11 - "renesas,scifa-r8a7740" for R8A7740 (R-Mobile A1) SCIFA compatible UART.
12 - "renesas,scifb-r8a7740" for R8A7740 (R-Mobile A1) SCIFB compatible UART.
13 - "renesas,scif-r8a7743" for R8A7743 (RZ/G1M) SCIF compatible UART.
14 - "renesas,scifa-r8a7743" for R8A7743 (RZ/G1M) SCIFA compatible UART.
15 - "renesas,scifb-r8a7743" for R8A7743 (RZ/G1M) SCIFB compatible UART.
16 - "renesas,hscif-r8a7743" for R8A7743 (RZ/G1M) HSCIF compatible UART.
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| D | mvebu-uart.txt | 1 * Marvell UART : Non standard UART used in some of Marvell EBU SoCs
6 - "marvell,armada-3700-uart" for the standard variant of the UART
10 UART (128 bytes FIFO, DMA, front interrupts, 8-bit or 32-bit
13 - clocks: UART reference clock used to derive the baudrate. If no clock
21 respectively the UART sum interrupt, the UART TX interrupt and
22 UART RX interrupt. A corresponding interrupt-names property must
26 respectively the UART TX interrupt and the UART RX interrupt. A
30 containing only the UART sum interrupt. This form is deprecated
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| D | serial.txt | 9 used as the UART's CTS line.
11 used as the UART's DCD line.
13 used as the UART's DSR line.
15 used as the UART's DTR line.
17 used as the UART's RNG line.
19 used as the UART's RTS line.
22 UART has dedicated lines for RTS/CTS hardware flow control, and that
24 This depends on both the UART hardware and the board wiring.
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| D | cirrus,clps711x-uart.txt | 1 * Cirrus Logic CLPS711X Universal Asynchronous Receiver/Transmitter (UART)
6 - interrupts: Should contain UART TX and RX interrupt.
7 - clocks: Should contain UART core clock number.
8 - syscon: Phandle to SYSCON node, which contain UART control bits.
14 Note: Each UART port should have an alias correctly numbered
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| D | sprd-uart.txt | 1 * Spreadtrum serial UART
11 "enable" for UART module enable clock,
12 "uart" for UART clock,
13 "source" for UART source (parent) clock.
15 UART clock and source clock are optional properties, but enable clock
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| D | nvidia,tegra194-tcu.txt | 1 NVIDIA Tegra Combined UART (TCU)
3 The TCU is a system for sharing a hardware UART instance among multiple
5 based protocol where each "virtual UART" has a pair of mailboxes, one
16 "rx" - Mailbox for receiving data from hardware UART
17 "tx" - Mailbox for transmitting data to hardware UART
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| D | arc-uart.txt | 1 * Synopsys ARC UART : Non standard UART used in some of the ARC FPGA boards
7 - clock-frequency : the input clock frequency for the UART
8 - current-speed : baud rate for UART
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| D | qcom,msm-uart.txt | 1 * MSM Serial UART
3 The MSM serial UART hardware is designed for low-speed use cases where a
10 - reg: Should contain UART register location and length.
11 - interrupts: Should contain UART interrupt.
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| D | nvidia,tegra20-hsuart.txt | 1 NVIDIA Tegra20/Tegra30 high speed (DMA based) UART controller driver.
10 - reg: Should contain UART controller registers location and length.
11 - interrupts: Should contain UART controller interrupts.
26 only if all 8 lines of UART controller are pinmuxed.
37 Standard UART devices are expected to have tolerance for baud rate error by
39 Tegra186 chip has a known hardware issue. UART Rx baud rate tolerance level
52 This slight deviation is expcted and Tegra UART is expected to handle it. Due
53 to the issue stated above, baud rate on Tegra UART should be set equal to or
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| D | cdns,uart.txt | 1 Binding for Cadence UART Controller
7 - reg: Should contain UART controller registers location and length.
8 - interrupts: Should contain UART controller interrupts.
9 - clocks: Must contain phandles to the UART clocks
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| D | arm,mps2-uart.txt | 1 ARM MPS2 UART
6 - interrupts : Reference to the UART RX, TX and overrun interrupts
9 - clocks : The input clock of the UART
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| D | 8250.txt | 1 * UART (Universal Asynchronous Receiver/Transmitter)
32 - clock-frequency : the input clock frequency for the UART
38 - current-speed : the current active speed of the UART.
43 accesses to the UART (e.g. TI davinci).
48 - fifo-size: the fifo size of the UART.
58 function pin for the UART feature. If unsure, don't specify this property.
81 Example for OMAP UART using GPIO-based modem control signals:
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| D | fsl,s32-linflexuart.txt | 1 * Freescale LINFlexD UART
4 support for full-duplex UART communication through 8-bit and 9-bit frames.
10 - "fsl,s32v234-linflexuart" for LINFlexD configured in UART mode, which
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| D | microchip,pic32-uart.txt | 1 * Microchip Universal Asynchronous Receiver Transmitter (UART)
10 - pinctrl-0: Phandle referencing pin configuration of the UART peripheral.
14 - cts-gpios: CTS pin for UART
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| /Linux-v5.4/arch/arm/mach-sa1100/include/mach/ |
| D | uncompress.h | 21 #define UART(x) (*(volatile unsigned long *)(serial_port + (x))) macro
29 if (UART(UTCR3) & UTCR3_TXE) break; in putc()
31 if (UART(UTCR3) & UTCR3_TXE) break; in putc()
33 if (UART(UTCR3) & UTCR3_TXE) break; in putc()
38 while (!(UART(UTSR1) & UTSR1_TNF)) in putc()
42 UART(UTDR) = c; in putc()
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| /Linux-v5.4/arch/arm64/boot/dts/ti/ |
| D | k3-j721e-common-proc-board.dts | 55 /* Wakeup UART is used by System firmware */
64 /* UART not brought out */
69 /* UART not brought out */
74 /* UART not brought out */
79 /* UART not brought out */
84 /* UART not brought out */
89 /* UART not brought out */
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| /Linux-v5.4/arch/arm/include/debug/ |
| D | tegra.S | 85 cmp \rv, #2 @ 2 and 3 mean DCC, UART
89 11: lsr \rv, \rp, #15 @ 17:15 are UART ID
91 cmp \rv, #0 @ UART 0?
93 cmp \rv, #1 @ UART 1?
95 cmp \rv, #2 @ UART 2?
97 cmp \rv, #3 @ UART 3?
99 cmp \rv, #4 @ UART 4?
141 cmp \rp, #0 @ Valid UART address?
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| /Linux-v5.4/Documentation/ABI/testing/ |
| D | sysfs-platform-kim | 6 Name of the UART device at which the WL128x chip
20 UART configurations, so the baud-rate needs to be set
31 entry most often should be 1, the host's UART is required
41 use of the shared UART transport, it registers to the shared
45 daemon managing the UART, and is notified about the change
46 by the sysfs_notify. The value would be '1' when UART needs
47 to be opened/ldisc installed, and would be '0' when UART
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| D | sysfs-bus-i2c-devices-fsa9480 | 8 UART - UART is attached
18 UART - switch to UART path
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| /Linux-v5.4/arch/arm/ |
| D | Kconfig.debug | 112 UART definition, as specified below. Attempting to boot the kernel
129 bool "Kernel low-level debugging via asm9260 UART"
133 their output to an UART or USART port on asm9260 based
195 bool "Kernel low-level debugging on BCM2835 PL011 UART"
200 bool "Kernel low-level debugging on BCM2836 PL011 UART"
223 bool "Kernel low-level debugging messages via BCM KONA UART"
234 bool "Kernel low-level debugging on BCM63XX UART"
238 bool "Marvell Berlin SoC Debug UART"
246 bool "Use BRCMSTB UART for low-level debug"
251 UART physical and virtual address is automatically provided
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| /Linux-v5.4/Documentation/devicetree/bindings/soc/fsl/cpm_qe/qe/ |
| D | ucc.txt | 15 - port-number : for UART drivers, the port number to use, between 0 and 3.
18 CPM UART driver, the port-number is required for the QE UART driver.
19 - soft-uart : for UART drivers, if specified this means the QE UART device
20 driver should use "Soft-UART" mode, which is needed on some SOCs that have
21 broken UART hardware. Soft-UART is provided via a microcode upload.
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| /Linux-v5.4/Documentation/devicetree/bindings/net/ |
| D | qca,qca7000.txt | 4 be configured either as SPI or UART slave. This configuration is done by
58 (b) Ethernet over UART
60 In order to use the QCA7000 as UART slave it must be defined as a child of a
61 UART master in the device tree. It is possible to preconfigure the UART
73 UART Example:
75 /* Freescale i.MX28 UART */
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| D | mediatek-bluetooth.txt | 37 MediaTek UART based Bluetooth Devices
40 This device is a serial attached device to UART device and thus it must be a
41 child node of the serial node with UART.
58 - pinctrl-0: Should contain UART RXD low when the device is powered up to
60 - pinctrl-1: Should contain UART mode pin ctrl
66 - boot-gpios: GPIO same to the pin as UART RXD and used to keep LOW when
69 - pinctrl-0: Should contain UART mode pin ctrl
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| /Linux-v5.4/drivers/bluetooth/ |
| D | Kconfig | 89 tristate "HCI UART driver"
94 Bluetooth HCI UART driver.
97 UART based Bluetooth PCMCIA and CF devices like Xircom Credit Card
100 Say Y here to compile support for Bluetooth UART devices into the
109 bool "UART (H4) protocol support"
112 UART (H4) is serial protocol for communication between Bluetooth
114 with UART interface, including PCMCIA and CF cards.
116 Say Y here to compile support for HCI UART (H4) protocol.
119 tristate "UART Nokia H4+ protocol support"
129 with UART interface in Nokia devices.
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| /Linux-v5.4/drivers/tty/serial/ |
| D | Kconfig | 27 This selects the ARM(R) AMBA(R) PrimeCell PL010 UART. If you have
38 Say Y here if you wish to use an AMBA PrimeCell UART as the system
54 This selects the ARM(R) AMBA(R) PrimeCell PL011 UART. If you have
66 Say Y here if you wish to use an AMBA PrimeCell UART as the system
144 Say Y here if you wish to use an on-chip UART on a Atmel
179 Say Y if you have an external 8250/16C550 UART. If unsure, say N.
214 Say Y here if you wish to use a Amlogic MesonX UART as the
261 Select the number of available UART ports for the Samsung S3C
294 Support for the on-chip UART on the CSR SiRFprimaII series,
323 tristate "NVIDIA Tegra Combined UART"
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