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/linux-6.14.4/Documentation/devicetree/bindings/serial/
Dsnps-dw-apb-uart.yaml1 # 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#
10 - Rob Herring <[email protected]>
13 - $ref: serial.yaml#
14 - $ref: rs485.yaml#
16 - if:
20 const: starfive,jh7110-uart
33 - items:
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/linux-6.14.4/arch/riscv/boot/dts/canaan/
Dk210.dtsi1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2019-20 Sean Anderson <[email protected]>
6 #include <dt-bindings/clock/k210-clk.h>
7 #include <dt-bindings/pinctrl/k210-fpioa.h>
8 #include <dt-bindings/reset/k210-rst.h>
12 * Although the K210 is a 64-bit CPU, the address bus is only 32-bits
15 #address-cells = <1>;
16 #size-cells = <1>;
17 compatible = "canaan,kendryte-k210";
21 * Since this is a non-ratified draft specification, the kernel does not
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/linux-6.14.4/drivers/tty/serial/8250/
D8250_dw.c1 // SPDX-License-Identifier: GPL-2.0+
99 struct dw8250_data *d = to_dw8250_data(p->private_data); in dw8250_modify_msr()
101 /* Override any modem control signals if needed */ in dw8250_modify_msr()
103 value |= d->msr_mask_on; in dw8250_modify_msr()
104 value &= ~d->msr_mask_off; in dw8250_modify_msr()
122 if (up->fcr & UART_FCR_ENABLE_FIFO) { in dw8250_force_idle()
123 lsr = p->serial_in(p, UART_LSR); in dw8250_force_idle()
128 (void)p->serial_in(p, UART_RX); in dw8250_force_idle()
133 struct dw8250_data *d = to_dw8250_data(p->private_data); in dw8250_check_lcr()
134 void __iomem *addr = p->membase + (offset << p->regshift); in dw8250_check_lcr()
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/linux-6.14.4/drivers/misc/sgi-gru/
Dgrumain.c1 // SPDX-License-Identifier: GPL-2.0-or-later
52 /*--------- ASID Management -------------------------------------------
67 * the search for in-use asids only checks contexts with GRUs currently
72 * 0---------------x------------x---------------------x----|
73 * ^-next ^-limit ^-MAX_ASID
82 gru_dbg(grudev, "gid %d\n", gru->gs_gid); in gru_wrap_asid()
84 gru->gs_asid_gen++; in gru_wrap_asid()
93 gru_dbg(grudev, "gid %d, asid 0x%x\n", gru->gs_gid, asid); in gru_reset_asid_limit()
99 gid = gru->gs_gid; in gru_reset_asid_limit()
102 if (!gru->gs_gts[i] || is_kernel_context(gru->gs_gts[i])) in gru_reset_asid_limit()
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/linux-6.14.4/drivers/tty/serial/
Dmux.c1 // SPDX-License-Identifier: GPL-2.0+
4 ** serial driver for the Mux console found in some PA-RISC servers.
7 ** (c) Copyright 2002 Hewlett-Packard Company
26 #include <asm/parisc-device.h>
63 #define UART_PUT_CHAR(p, c) __raw_writel((c), (p)->membase + IO_DATA_REG_OFFSET)
64 #define UART_GET_FIFO_CNT(p) __raw_readl((p)->membase + IO_DCOUNT_REG_OFFSET)
67 * get_mux_port_count - Get the number of available ports on the Mux.
73 * are connected. This function can override the IODC and
82 /* If this is the built-in Mux for the K-Class (Eole CAP/MUX), in get_mux_port_count()
86 if(dev->id.hversion == 0x15) in get_mux_port_count()
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Datmel_serial.c1 // SPDX-License-Identifier: GPL-2.0+
18 #include <linux/clk-provider.h>
24 #include <linux/dma-mapping.h>
62 /* Use device name ttyAT, major 204 and minor 154-169. This is necessary if we
71 /* Use device name ttyS, major 4, minor 64-68. This is the usual serial port
167 bool hd_start_rx; /* can start RX during half-duplex operation */
197 { .compatible = "atmel,at91rm9200-usart-serial" },
210 return __raw_readl(port->membase + reg); in atmel_uart_readl()
215 __raw_writel(value, port->membase + reg); in atmel_uart_writel()
220 return __raw_readb(port->membase + ATMEL_US_RHR); in atmel_uart_read_char()
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/linux-6.14.4/drivers/usb/serial/
Dark3116.c1 // SPDX-License-Identifier: GPL-2.0+
9 * - implements a driver for the arkmicro ark3116 chipset (vendor=0x6547,
10 * productid=0x0232) (used in a datacable called KQ-U8A)
52 struct usb_device *dev = serial->dev; in is_irda()
53 if (le16_to_cpu(dev->descriptor.idVendor) == 0x18ec && in is_irda()
54 le16_to_cpu(dev->descriptor.idProduct) == 0x3118) in is_irda()
82 result = usb_control_msg(serial->dev, in ark3116_write_reg()
83 usb_sndctrlpipe(serial->dev, 0), in ark3116_write_reg()
97 result = usb_control_msg(serial->dev, in ark3116_read_reg()
98 usb_rcvctrlpipe(serial->dev, 0), in ark3116_read_reg()
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Dftdi_sio.c1 // SPDX-License-Identifier: GPL-2.0+
5 * Copyright (C) 2009 - 2013
7 * Copyright (C) 1999 - 2001
8 * Greg Kroah-Hartman ([email protected])
13 * See Documentation/usb/usb-serial.rst for more information on using this
16 * See http://ftdi-usb-sio.sourceforge.net for up to date testing info
24 /* Bill Ryder - [email protected] - wrote the FTDI_SIO implementation */
28 assimilated :-) */
47 #define DRIVER_AUTHOR "Greg Kroah-Hartman <[email protected]>, Bill Ryder <[email protected]>, Kuba Ober …
75 u16 last_set_data_value; /* the last data state set - needed for doing
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/linux-6.14.4/drivers/mmc/core/
Dmmc_ops.c1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Copyright 2006-2007 Pierre Ossman
75 if (!mmc_host_is_spi(card->host)) in __mmc_send_status()
76 cmd.arg = card->rca << 16; in __mmc_send_status()
79 err = mmc_wait_for_cmd(card->host, &cmd, retries); in __mmc_send_status()
106 cmd.arg = card->rca << 16; in _mmc_select_card()
119 return _mmc_select_card(card->host, card); in mmc_select_card()
132 * The presence of the DSR register can be determined from the CSD register,
141 cmd.arg = (host->dsr << 16) | 0xffff; in mmc_set_dsr()
167 * Non-SPI hosts need to prevent chipselect going active during in mmc_go_idle()
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/linux-6.14.4/drivers/tty/
Dsynclink_gt.c1 // SPDX-License-Identifier: GPL-1.0+
28 * DBGINFO information - most verbose output
130 MODULE_PARM_DESC(ttymajor, "TTY major device number override: 0=auto assigned");
146 #define dev_to_port(D) (dev_to_hdlc(D)->priv)
496 printk("%s %s data:\n",info->device_name, label); in trace_block()
511 count -= linecount; in trace_block()
522 printk("tbuf_current=%d\n", info->tbuf_current); in dump_tbufs()
523 for (i=0 ; i < info->tbuf_count ; i++) { in dump_tbufs()
525 i, le16_to_cpu(info->tbufs[i].count), le16_to_cpu(info->tbufs[i].status)); in dump_tbufs()
536 printk("rbuf_current=%d\n", info->rbuf_current); in dump_rbufs()
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/linux-6.14.4/drivers/dma/ppc4xx/
Dadma.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright (C) 2006-2009 DENX Software Engineering.
22 #include <linux/dma-mapping.h>
33 #include <asm/dcr-regs.h>
91 /* This array is used in data-check operations for storing a pattern */
98 /* Since RXOR operations use the common register (MQ0_CF2H) for setting-up
135 switch (chan->device->id) { in print_cb()
145 cdb, chan->device->id, in print_cb()
146 cdb->attr, cdb->opc, le32_to_cpu(cdb->cnt), in print_cb()
147 le32_to_cpu(cdb->sg1u), le32_to_cpu(cdb->sg1l), in print_cb()
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