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/linux/Documentation/devicetree/bindings/mmc/
H A Dsynopsys-dw-mshc-common.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/mmc/synopsys-dw-mshc-common.yaml#
5 $schema: http://devicetree.org/meta-schema
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H A Dsynopsys-dw-mshc.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/mmc/synopsys-dw-mshc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Ul
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/linux/Documentation/devicetree/bindings/mailbox/
H A Dbrcm,bcm74110-mbox.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/mailbox/brcm,bcm74110-mbo
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/linux/include/linux/amba/
H A Dpl022.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
5 * Copyright (C) 2008-2009 ST-Ericsson AB
11 * linux-2.6.17-rc3-mm
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/linux/Documentation/devicetree/bindings/spi/
H A Darm,pl022-peripheral-props.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/spi/arm,pl022-peripheral-props.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Peripheral-specifi
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/linux/drivers/tty/serial/
H A Dmsm_serial.c1 // SPDX-License-Identifier: GPL-2.0
13 #include <linux/dma-mapping.h>
169 } rx; member
198 writel_relaxed(val, port->membase + off); in msm_write()
204 return readl_relaxed(port->membase + off); in msm_read()
216 port->uartclk = 1843200; in msm_serial_set_mnd_regs_tcxo()
228 port->uartclk = 1843200; in msm_serial_set_mnd_regs_tcxoby4()
239 if (msm_port->is_uartd in msm_serial_set_mnd_regs()
1131 unsigned int rxstale, watermark, mask; msm_set_baud_rate() local
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H A Dsifive.c1 // SPDX-License-Identifier: GPL-2.0+
5 * Copyright (C) 2018-2019 SiFive
8 * - drivers/tty/serial/pxa.c
9 * - drivers/tty/serial/amba-pl011.c
10 * - drivers/tty/serial/uartlite.c
11 * - drivers/tty/serial/omap-seria
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/linux/Documentation/devicetree/bindings/net/
H A Dcdns,macb.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schema
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/linux/drivers/spi/
H A Dspi-fsl-lpspi.c1 // SPDX-License-Identifier: GPL-2.0+
12 #include <linux/dma-mapping.h>
22 #include <linux/dma/imx-dma.h>
34 #define FSL_LPSPI_MAX_EDMA_BYTES ((1 << 15) - 1)
111 void (*rx)(struct fsl_lpspi_data *); member
114 u8 watermark; member
144 { .compatible = "fsl,imx7ulp-spi", .data = &imx7ulp_lpspi_devtype_data,},
145 { .compatible = "fsl,imx93-sp
367 struct dma_slave_config rx = {}, tx = {}; fsl_lpspi_dma_configure() local
584 struct sg_table *tx = &transfer->tx_sg, *rx = &transfer->rx_sg; fsl_lpspi_dma_transfer() local
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H A Dspi-sifive.c1 // SPDX-License-Identifier: GPL-2.0
35 #define SIFIVE_SPI_REG_RXDATA 0x4c /* Rx FIFO data */
36 #define SIFIVE_SPI_REG_TXMARK 0x50 /* Tx FIFO watermark */
37 #define SIFIVE_SPI_REG_RXMARK 0x54 /* Rx FIFO watermark */
96 struct completion done; /* wake-up from interrupt */
101 iowrite32(value, spi->regs + offset); in sifive_spi_write()
106 return ioread32(spi->reg in sifive_spi_read()
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H A Dspi-zynq-qspi.c1 // SPDX-License-Identifier: GPL-2.0+
18 #include <linux/spi/spi-mem.h>
28 #define ZYNQ_QSPI_TXD_00_00_OFFSET 0x1C /* Transmit 4-byte inst, WO */
29 #define ZYNQ_QSPI_TXD_00_01_OFFSET 0x80 /* Transmit 1-byte inst, WO */
30 #define ZYNQ_QSPI_TXD_00_10_OFFSET 0x84 /* Transmit 2-byte inst, WO */
31 #define ZYNQ_QSPI_TXD_00_11_OFFSET 0x88 /* Transmit 3-byte inst, WO */
34 #define ZYNQ_QSPI_TX_THRESH_OFFSET 0x28 /* TX FIFO Watermark Reg, RW */
35 #define ZYNQ_QSPI_RX_THRESH_OFFSET 0x2C /* RX FIF
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/linux/Documentation/trace/
H A Dhisi-ptt.rst1 .. SPDX-License-Identifier: GPL-2.0
23 +-------
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/linux/arch/arm/mach-omap1/
H A Dserial.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * linux/arch/arm/mach-omap1/serial.c
21 #include <asm/mach-types.h>
36 offset <<= up->regshift; in omap_serial_in()
37 return (unsigned int)__raw_readb(up->membase + offset); in omap_serial_in()
43 offset <<= p->regshift; in omap_serial_outp()
44 __raw_writeb(value, p->membas in omap_serial_outp()
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/linux/sound/pci/ice1712/
H A Denvy24ht.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
39 #define ICEREG1724(ice, x) ((ice)->port + VT1724_REG_##x)
49 #define VT1724_REG_SYS_CFG 0x04 /* byte - system configuration PCI60 on Envy24*/
60 #define VT1724_CFG_AC97_PACKED 0x01 /* split or packed mode - AC'97 */
65 #define VT1724_CFG_I2S_RESMASK 0x30 /* resolution mask, 16,18,20,24-bit */
81 #define VT1724_REG_MPU_RXFIFO 0x0b /*byte ro. number of bytes in RX fif
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/linux/drivers/net/ethernet/sun/
H A Dsunqe.h1 /* SPDX-License-Identifier: GPL-2.0 */
15 #define GLOB_MSIZE 0x0cUL /* Local-memory Size */
45 /* The following registers are for per-qe channel information/status. */
48 #define CREG_RXDS 0x08UL /* RX descriptor ring ptr */
50 #define CREG_RIMASK 0x10UL /* RX Interrupt Mask */
54 #define CREG_RXWBUFPTR 0x20UL /* Local memory rx write ptr */
55 #define CREG_RXRBUFPTR 0x24UL /* Local memory rx read ptr */
59 #define CREG_PIPG 0x34UL /* Inter-Fram
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/linux/Documentation/hid/
H A Dintel-ish-hid.rst6 processing to a dedicated low power co-processor. This allows the core
11 Sensor usage tables. These may be found in tablets, 2-in-1 convertible laptops
27 -------
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/linux/drivers/net/usb/
H A Dsmsc95xx.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
4 * Copyright (C) 2007-2008 SMSC
22 /* Rx status word */
38 /* SCSRs - System Control and Status Registers */
54 #define INT_STS_RX_STOP_ (0x00010000) /* RX Stopped */
59 #define INT_STS_RXDF_ (0x00000800) /* RX Droppe
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/linux/drivers/media/i2c/cx25840/
H A Dcx25840-ir.c1 // SPDX-License-Identifier: GPL-2.0-or-later
13 #include <media/drv-intf/cx25840.h>
14 #include <media/rc-core.h>
16 #include "cx25840-core.h"
102 struct mutex rx_params_lock; /* protects Rx parameter settings cache */
107 spinlock_t rx_kfifo_lock; /* protect Rx dat
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/linux/drivers/media/pci/cx23885/
H A Dcx23888-ir.c1 // SPDX-License-Identifier: GPL-2.0-or-later
11 #include "cx23888-ir.h"
16 #include <media/v4l2-device.h>
17 #include <media/rc-core.h>
161 * Rx and Tx Clock Divider register computations
174 d- in count_to_clock_divider()
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/linux/sound/soc/fsl/
H A Dfsl_sai.c1 // SPDX-License-Identifier: GPL-2.0+
5 // Copyright 2012-2015 Freescale Semiconductor, Inc.
22 #include <linux/mfd/syscon/imx6q-iomuxc-gpr.h>
26 #include "imx-pcm.h"
44 * fsl_sai_dir_is_synced - Check if stream is synced by the opposite stream
55 int adir = (dir == TX) ? RX : TX; in fsl_sai_dir_is_synced()
58 return !sai->synchronous[dir] && sai->synchronous[adir]; in fsl_sai_dir_is_synced()
65 if (sai->is_pdm_mode) { in fsl_sai_get_pins_state()
68 state = pinctrl_lookup_state(sai->pinctrl, "dsd512"); in fsl_sai_get_pins_state()
72 state = pinctrl_lookup_state(sai->pinctrl, "dsd"); in fsl_sai_get_pins_state()
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/linux/include/uapi/linux/
H A Dserial_reg.h1 /* SPDX-License-Identifier: GPL-1.0+ WITH Linux-syscall-note */
44 #define UART_IIR_RX_TIMEOUT 0x0c /* OMAP RX Timeout interrupt */
61 * RX:76 = 00 01 10 11 TX:54 = 00 01 10 11
132 #define UART_MCR_AFE 0x20 /* Enable auto-RTS/CTS (TI16C550C/TI16C750) */
142 #define UART_LSR_THRE 0x20 /* Transmit-hold-registe
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/linux/drivers/net/ethernet/marvell/octeon_ep/
H A Doctep_config.h1 /* SPDX-License-Identifier: GPL-2.0 */
23 /* Minimum watermark for backpressure */
26 /* Rx Queue: maximum descriptors per ring */
29 /* Rx buffer size: Use page size buffers.
32 * page buffers in consecutive Rx descriptors as fragments.
60 #define CFG_GET_IQ_CFG(cfg) ((cfg)->iq)
61 #define CFG_GET_IQ_NUM_DESC(cfg) ((cfg)->iq.num_descs)
62 #define CFG_GET_IQ_INSTR_TYPE(cfg) ((cfg)->i
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/linux/drivers/net/ethernet/atheros/atlx/
H A Datl2.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /* atl2.h -- atl2 driver definitions
9 * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
39 ((a)->hw_addr + (reg))))
41 #define ATL2_WRITE_FLUSH(a) (ioread32((a)->hw_add
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/linux/drivers/soc/qcom/
H A Dqcom-geni-se.c1 // SPDX-License-Identifier: GPL-2.0
2 // Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.
10 #include <linux/dma-mapping.h>
17 #include <linux/soc/qcom/geni-se.h>
31 * GENI based QUP is a highly-flexible and programmable module for supporting
41 * +---
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/linux/drivers/net/ethernet/micrel/
H A Dks8842.c1 // SPDX-License-Identifier: GPL-2.0-only
23 #include <linux/dma-mapping.h>
77 /* When running via timberdale in DMA mode, the RX interrupt should be
79 RX DMA internally.
147 #define KS8842_USE_DMA(adapter) (((adapter)->dma_tx.channel != -1) && \
148 ((adapter)->dma_r
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