| /OK3568_Linux_fs/kernel/drivers/tty/serial/8250/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0
3 # The 8250/16550 serial drivers. You shouldn't be in this list unless
8 tristate "8250/16550 and compatible serial support"
24 non-standard serial ports, since the configuration information will
52 If you did not notice yet and/or you have userspace from pre-3.7, it
56 bool "8250/16550 PNP device support" if EXPERT
64 bool "Support for variants of the 16550A serial port"
68 The 8250 driver can probe for many variants of the venerable 16550A
75 bool "Support for Fintek F81216A LPC to 4 UART RS485 API"
79 of the Fintek F81216A LPC to 4 UART.
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| H A D | 8250_of.c | 1 // SPDX-License-Identifier: GPL-2.0+
36 struct device_node *np = ofdev->dev.of_node; in of_platform_serial_setup()
37 struct uart_port *port = &up->port; in of_platform_serial_setup()
43 pm_runtime_enable(&ofdev->dev); in of_platform_serial_setup()
44 pm_runtime_get_sync(&ofdev->dev); in of_platform_serial_setup()
46 if (of_property_read_u32(np, "clock-frequency", &clk)) { in of_platform_serial_setup()
49 info->clk = devm_clk_get(&ofdev->dev, NULL); in of_platform_serial_setup()
50 if (IS_ERR(info->clk)) { in of_platform_serial_setup()
51 ret = PTR_ERR(info->clk); in of_platform_serial_setup()
52 if (ret != -EPROBE_DEFER) in of_platform_serial_setup()
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| H A D | 8250_core.c | 1 // SPDX-License-Identifier: GPL-2.0+
3 * Universal/legacy driver for 8250/16550-type serial ports
9 * Supports: ISA-compatible 8250/16550 ports
10 * PNP 8250/16550 ports
12 * userspace-configurable "phantom" ports
48 * share_irqs - whether we pass IRQF_SHARED to request_irq(). This option
49 * is unsafe when used on edge-triggered interrupts.
63 * SERIAL_PORT_DFNS tells us about built-in ports that have no
104 * line has been de-asserted.
117 spin_lock(&i->lock); in serial8250_interrupt()
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| H A D | 8250_ingenic.c | 1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2010 Lars-Peter Clausen <lars@metafoo.de>
6 * Ingenic SoC UART support
47 return readl(port->membase + (offset << 2)); in early_in()
52 writel(value, port->membase + (offset << 2)); in early_out()
69 uart_console_write(&early_device->port, s, count, in ingenic_early_console_write()
83 prop = fdt_getprop(fdt, offset, "clock-frequency", NULL); in ingenic_early_console_setup_clock()
87 dev->port.uartclk = be32_to_cpup(prop); in ingenic_early_console_setup_clock()
93 struct uart_port *port = &dev->port; in ingenic_early_console_setup()
97 if (!dev->port.membase) in ingenic_early_console_setup()
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| H A D | 8250_men_mcb.c | 1 // SPDX-License-Identifier: GPL-2.0
19 struct uart_8250_port uart; member
24 * The Z125 16550-compatible UART has no fixed base clock assigned
34 dev_info(&mdev->dev, "%s on board %s\n", in men_lookup_uartclk()
35 dev_name(&mdev->dev), in men_lookup_uartclk()
36 mdev->bus->name); in men_lookup_uartclk()
37 if (strncmp(mdev->bus->name, "F075", 4) == 0) in men_lookup_uartclk()
39 else if (strncmp(mdev->bus->name, "F216", 4) == 0) in men_lookup_uartclk()
41 else if (strncmp(mdev->bus->name, "G215", 4) == 0) in men_lookup_uartclk()
43 else if (strncmp(mdev->bus->name, "F210", 4) == 0) in men_lookup_uartclk()
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| H A D | 8250_port.c | 1 // SPDX-License-Identifier: GPL-2.0+
3 * Base port operations for 8250/16550-type serial ports
56 * Here we define the default xmit fifo size used for each type of UART.
76 .name = "16550",
82 .name = "16550A",
235 .name = "Altera 16550 FIFO32",
243 .name = "Altera 16550 FIFO64",
251 .name = "Altera 16550 FIFO128",
259 * tx_loadsz is set to 63-bytes instead of 64-bytes to implement
260 * workaround of errata A-008006 which states that tx_loadsz should
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| H A D | 8250_pnp.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * Probe for 8250/16550-type ISAPNP serial ports.
9 * Ported to the Linux PnP Layer - (C) Adam Belay.
43 * Native driver (ali-ircc) is broken so at least
44 * it can be used with irtty-sir.
52 /* Boca Complete Ofc Communicator 14.4 Data-FAX */
63 /* EuroViVa CommCenter-33.6 SP PnP */
73 /* Creative Modem Blaster Flash56 DI5601-1 */
77 /* E-Tech */
78 /* E-Tech CyberBULLET PC56RVP */
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| H A D | 8250_dw.c | 1 // SPDX-License-Identifier: GPL-2.0+
10 * raised, the LCR needs to be rewritten and the uart status register read.
39 #define DW_UART_USR 0x1f /* UART Status Register */
40 #define DW_UART_RFL 0x21 /* UART Receive Fifo Level Register */
83 struct dw8250_data *d = to_dw8250_data(p->private_data); in dw8250_modify_msr()
87 value |= d->msr_mask_on; in dw8250_modify_msr()
88 value &= ~d->msr_mask_off; in dw8250_modify_msr()
99 (void)p->serial_in(p, UART_RX); in dw8250_force_idle()
104 void __iomem *offset = p->membase + (UART_LCR << p->regshift); in dw8250_check_lcr()
108 while (tries--) { in dw8250_check_lcr()
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| /OK3568_Linux_fs/u-boot/doc/device-tree-bindings/serial/ |
| H A D | 8250.txt | 1 * UART (Universal Asynchronous Receiver/Transmitter)
4 - compatible : one of:
5 - "ns8250"
6 - "ns16450"
7 - "ns16550a"
8 - "ns16550"
9 - "ns16750"
10 - "ns16850"
11 - For Tegra20, must contain "nvidia,tegra20-uart"
12 - For other Tegra, must contain '"nvidia,<chip>-uart",
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| H A D | snps-dw-apb-uart.txt | 1 * Synopsys DesignWare ABP UART
4 - compatible : "snps,dw-apb-uart"
5 - reg : offset and length of the register set for the device.
6 - interrupts : should contain uart interrupt.
10 - clock-frequency : the input clock frequency for the UART.
11 - clocks : phandle to the input clock
14 - clock-names: tuple listing input clock names.
18 - snps,uart-16550-compatible : reflects the value of UART_16550_COMPATIBLE
19 configuration parameter. Define this if your UART does not implement the busy
21 - resets : phandle to the parent reset controller.
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| /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/serial/ |
| H A D | 8250.yaml | 3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: UART (Universal Asynchronous Receiver/Transmitter) bindings
10 - devicetree@vger.kernel.org
13 - $ref: /schemas/serial.yaml#
14 - if:
16 - aspeed,sirq-polarity-sense
19 compatible:
20 const: aspeed,ast2500-vuart
21 - if:
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| H A D | snps-dw-apb-uart.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/serial/snps-dw-apb-uart.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Synopsys DesignWare ABP UART
10 - Rob Herring <robh@kernel.org>
13 - $ref: /schemas/serial.yaml#
16 compatible:
18 - items:
19 - enum:
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| /OK3568_Linux_fs/kernel/arch/mips/ |
| H A D | Kconfig.debug | 1 # SPDX-License-Identifier: GPL-2.0
26 "8250/16550 and compatible serial early printk driver"
27 If you say Y here, it will be possible to use a 8250/16550 serial
34 bool "Built-in kernel command line"
45 The built-in options will be concatenated to the default command
47 command line will be ignored and replaced by the built-in string.
50 the command line from the firmware or the second-stage bootloader.
59 the default command line, you can supply some command-line options at
68 bool "Built-in command line overrides firmware arguments"
73 Instead, the built-in command line will be used exclusively.
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| /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/ |
| H A D | xilinx.txt | 10 Each IP-core has a set of parameters which the FPGA designer can use to
20 properties of the device node. In general, device nodes for IP-cores
23 (name): (generic-name)@(base-address) {
24 compatible = "xlnx,(ip-core-name)-(HW_VER)"
25 [, (list of compatible devices), ...];
27 interrupt-parent = <&interrupt-controller-phandle>;
29 xlnx,(parameter1) = "(string-value)";
30 xlnx,(parameter2) = <(int-value)>;
33 (generic-name): an open firmware-style name that describes the
36 (ip-core-name): the name of the ip block (given after the BEGIN
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| /OK3568_Linux_fs/kernel/arch/mips/boot/compressed/ |
| H A D | dbg.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * MIPS-specific debug support for pre-boot environment
5 * NOTE: putc() is board specific, if your board have a 16550 compatible uart,
31 for (i = 7; i >= 0; i--) { in puthex()
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| H A D | uart-16550.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * 16550 compatible uart based serial debug support for zboot
60 while (((serial_in(UART_LSR) & UART_LSR_THRE) == 0) && (timeout-- > 0)) in putc()
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| /OK3568_Linux_fs/kernel/Documentation/sound/cards/ |
| H A D | serial-u16550.rst | 2 Serial UART 16450/16550 MIDI driver
7 * 0 - Roland Soundcanvas support (default)
8 * 1 - Midiator MS-124T support (1)
9 * 2 - Midiator MS-124W S/A mode (2)
10 * 3 - MS-124W M/B mode support (3)
11 * 4 - Generic device with multiple input support (4)
13 For the Midiator MS-124W, you must set the physical M-S and A-B
17 (midiCnD0-midiCnD15). Whenever you write to a different substream, the driver
27 /sbin/setserial /dev/ttyS0 uart none
28 /sbin/modprobe snd-serial-u16550 port=0x3f8 irq=4 speed=115200
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| /OK3568_Linux_fs/u-boot/drivers/serial/ |
| H A D | serial_uniphier.c | 2 * Copyright (C) 2012-2015 Panasonic Corporation
3 * Copyright (C) 2015-2016 Socionext Inc.
6 * SPDX-License-Identifier: GPL-2.0+
19 * Note: Register map is slightly different from that of 16550.
43 ((struct uniphier_serial_private_data *)dev_get_priv(dev))->membase
52 divisor = DIV_ROUND_CLOSEST(priv->uartclk, mode_x_div * baudrate); in uniphier_serial_setbrg()
54 writel(divisor, &port->dlr); in uniphier_serial_setbrg()
63 if (!(readl(&port->lsr) & UART_LSR_DR)) in uniphier_serial_getc()
64 return -EAGAIN; in uniphier_serial_getc()
66 return readl(&port->rx); in uniphier_serial_getc()
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| /OK3568_Linux_fs/kernel/sound/drivers/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
50 tristate "PC-Speaker support (READ HELP!)"
60 You can compile this as a module which will be called snd-pcsp.
65 pc-speaker a default sound device. Which is likely not
69 options snd-pcsp index=2
71 You don't need this driver if you only want your pc-speaker to beep.
90 will be called snd-dummy.
99 the standard ALSA PCM device. The devices are routed 0->1 and
100 1->0, where first number is the playback PCM device and second
106 timing source using the time shift universal control (+-20%
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| /OK3568_Linux_fs/kernel/Documentation/networking/device_drivers/hamradio/ |
| H A D | baycom.rst | 1 .. SPDX-License-Identifier: GPL-2.0
25 however if you have a broken UART clone that does not have working
32 does not work with your UART.
41 This driver is work-in-progress.
52 driver only supports standard serial hardware (8250, 16450, 16550)
54 par96 This is a modem for 9600 baud FSK compatible to the G3RUH standard.
64 is protocol compatible to par96, but uses only three low power ICs
69 EPP This is a high-speed modem adaptor that connects to an enhanced parallel
90 simple. Once installed, four interfaces named bc{sf,sh,p,e}[0-3] are available.
110 sethdlc -i bcsf0 -p mode "ser12*" io 0x3f8 irq 4
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| /OK3568_Linux_fs/kernel/drivers/acpi/ |
| H A D | acpi_apd.c | 1 // SPDX-License-Identifier: GPL-2.0-only
12 #include <linux/clk-provider.h>
15 #include <linux/platform_data/clk-fch.h>
23 * struct apd_device_desc - a descriptor for apd device
26 * @properties: build-in properties of the device such as UART
48 const struct apd_device_desc *dev_desc = pdata->dev_desc; in acpi_apd_setup()
51 if (dev_desc->fixed_clk_rate) { in acpi_apd_setup()
52 clk = clk_register_fixed_rate(&pdata->adev->dev, in acpi_apd_setup()
53 dev_name(&pdata->adev->dev), in acpi_apd_setup()
54 NULL, 0, dev_desc->fixed_clk_rate); in acpi_apd_setup()
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| /OK3568_Linux_fs/kernel/arch/powerpc/ |
| H A D | Kconfig.debug | 1 # SPDX-License-Identifier: GPL-2.0
4 bool "Don't build arch/powerpc code with -Werror"
7 arch/powerpc with the -Werror flag (which means warnings
47 emulated by the in-kernel emulator. Counters for the various classes
51 powerpc/emulated_instructions/do_warn in debugfs), rate-limited
56 bool "Run self-tests of the code-patching code"
78 bool "Run self-tests of the feature-fixup code"
82 bool "Run self-tests of the MSI bitmap code"
92 Include in-kernel hooks for the xmon kernel monitor/debugger.
117 to say Y here, unless you're building for a memory-constrained
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| /OK3568_Linux_fs/u-boot/arch/nios2/dts/ |
| H A D | 10m50_devboard.dts | 6 * SPDX-License-Identifier: GPL-2.0+
9 /dts-v1/;
13 compatible = "altr,niosii-max10";
14 #address-cells = <1>;
15 #size-cells = <1>;
18 #address-cells = <1>;
19 #size-cells = <0>;
23 compatible = "altr,nios2-1.1";
25 interrupt-controller;
26 #interrupt-cells = <1>;
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| /OK3568_Linux_fs/kernel/drivers/mfd/ |
| H A D | intel-lpss-acpi.c | 1 // SPDX-License-Identifier: GPL-2.0-only
19 #include "intel-lpss.h"
26 PROPERTY_ENTRY_U32("i2c-sda-hold-time-ns", 230),
36 PROPERTY_ENTRY_U32("reg-io-width", 4),
37 PROPERTY_ENTRY_U32("reg-shift", 2),
38 PROPERTY_ENTRY_BOOL("snps,uart-16550-compatible"),
53 PROPERTY_ENTRY_U32("i2c-sda-hold-time-ns", 42),
54 PROPERTY_ENTRY_U32("i2c-sda-falling-time-ns", 171),
55 PROPERTY_ENTRY_U32("i2c-scl-falling-time-ns", 208),
65 PROPERTY_ENTRY_U32("i2c-sda-hold-time-ns", 207),
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| /OK3568_Linux_fs/u-boot/board/cadence/xtfpga/ |
| H A D | README | 8 - XT-AV60 / LX60
9 - XT-AV110 / LX110
10 - XT-AV200 / LX200
11 - ML605
12 - KC705
16 - An Xtensa or Diamond processor core.
17 - An on-chip-debug (OCD) JTAG interface.
18 - A 16550 compatible UART and serial port.
19 - An OpenCores Wishbone 10/100-base-T ethernet interface.
20 - A 32 char two line LCD display. (except for the LX200)
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