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/Linux-v6.1/drivers/mux/
Dmmio.c1 // SPDX-License-Identifier: GPL-2.0
3 * MMIO register bitfield-controlled multiplexer driver
12 #include <linux/mux/driver.h>
18 static int mux_mmio_set(struct mux_control *mux, int state) in mux_mmio_set() argument
20 struct regmap_field **fields = mux_chip_priv(mux->chip); in mux_mmio_set()
22 return regmap_field_write(fields[mux_control_get_index(mux)], state); in mux_mmio_set()
30 { .compatible = "mmio-mux", },
31 { .compatible = "reg-mux", },
38 struct device *dev = &pdev->dev; in mux_mmio_probe()
39 struct device_node *np = dev->of_node; in mux_mmio_probe()
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DMakefile1 # SPDX-License-Identifier: GPL-2.0
6 mux-core-objs := core.o
7 mux-adg792a-objs := adg792a.o
8 mux-adgs1408-objs := adgs1408.o
9 mux-gpio-objs := gpio.o
10 mux-mmio-objs := mmio.o
12 obj-$(CONFIG_MULTIPLEXER) += mux-core.o
13 obj-$(CONFIG_MUX_ADG792A) += mux-adg792a.o
14 obj-$(CONFIG_MUX_ADGS1408) += mux-adgs1408.o
15 obj-$(CONFIG_MUX_GPIO) += mux-gpio.o
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DKconfig1 # SPDX-License-Identifier: GPL-2.0
22 be called mux-adg792a.
32 be called mux-adgs1408.
35 tristate "GPIO-controlled Multiplexer"
38 GPIO-controlled Multiplexer controller.
46 be called mux-gpio.
49 tristate "MMIO/Regmap register bitfield-controlled Multiplexer"
52 MMIO/Regmap register bitfield-controlled Multiplexer controller.
59 be called mux-mmio.
/Linux-v6.1/Documentation/devicetree/bindings/mux/
Dreg-mux.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/mux/reg-mux.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Generic register bitfield-based multiplexer controller bindings
10 - Peter Rosin <peda@axentia.se>
19 - reg-mux # parent device of mux controller is not syscon device
20 - mmio-mux # parent device of mux controller is syscon device
24 '#mux-control-cells':
27 mux-reg-masks:
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/Linux-v6.1/drivers/net/wwan/iosm/
Diosm_ipc_imem.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2020-21 Intel Corporation.
20 return chnl->ctype == IPC_CTYPE_WWAN && in ipc_imem_check_wwan_ips()
21 chnl->if_id == IPC_MEM_MUX_IP_CH_IF_ID; in ipc_imem_check_wwan_ips()
32 ipc_imem->device_sleep = state; in ipc_imem_msg_send_device_sleep()
34 return ipc_protocol_tq_msg_send(ipc_imem->ipc_protocol, in ipc_imem_msg_send_device_sleep()
42 if (pipe->nr_of_queued_entries >= pipe->max_nr_of_queued_entries) in ipc_imem_dl_skb_alloc()
45 return ipc_protocol_dl_td_prepare(ipc_imem->ipc_protocol, pipe); in ipc_imem_dl_skb_alloc()
59 struct ipc_pipe *pipe = &ipc_imem->channels[i].dl_pipe; in ipc_imem_tq_td_alloc_timer()
61 if (!pipe->is_open || pipe->nr_of_queued_entries > 0) in ipc_imem_tq_td_alloc_timer()
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Diosm_ipc_imem_ops.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2020-21 Intel Corporation.
18 dev_dbg(ipc_imem->dev, "%s if id: %d", in ipc_imem_sys_wwan_open()
19 ipc_imem_phase_get_string(ipc_imem->phase), if_id); in ipc_imem_sys_wwan_open()
23 dev_err(ipc_imem->dev, "net:%d : refused phase %s", if_id, in ipc_imem_sys_wwan_open()
24 ipc_imem_phase_get_string(ipc_imem->phase)); in ipc_imem_sys_wwan_open()
25 return -EIO; in ipc_imem_sys_wwan_open()
28 return ipc_mux_open_session(ipc_imem->mux, if_id); in ipc_imem_sys_wwan_open()
35 if (ipc_imem->mux && if_id >= IP_MUX_SESSION_START && in ipc_imem_sys_wwan_close()
37 ipc_mux_close_session(ipc_imem->mux, if_id); in ipc_imem_sys_wwan_close()
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Diosm_ipc_mmio.h1 /* SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2020-21 Intel Corporation.
29 IPC_MEM_DEVICE_IPC_INVALID = -1
52 /* mmio scratchpad info */
68 * struct iosm_mmio - MMIO region mapped to the doorbell scratchpad.
69 * @base: Base address of MMIO region
75 * @mux_protocol: mux protocol
94 * ipc_mmio_init - Allocate mmio instance data
95 * @mmio_addr: Mapped AP base address of the MMIO area.
98 * Returns: address of mmio instance data or NULL if fails.
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Diosm_ipc_imem.h1 /* SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2020-21 Intel Corporation.
70 #define IMEM_IRQ_DONT_CARE (-1)
88 * Modem crash notification configuration. If this value is non-zero then
91 * will use out-of-band method to notify about it's Crash.
100 #define IPC_CB(skb) ((struct ipc_skb_cb *)((skb)->cb))
155 * enum ipc_ctype - Enum defining supported channel type needed for control
186 * struct ipc_pipe - Structure for Pipe.
234 * struct ipc_mem_channel - Structure for Channel.
264 * enum ipc_phase - Different AP and CP phases.
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/Linux-v6.1/drivers/pinctrl/freescale/
Dpinctrl-imx.h1 /* SPDX-License-Identifier: GPL-2.0+ */
14 #include <linux/pinctrl/pinconf-generic.h>
23 * struct imx_pin_mmio - MMIO pin configurations
24 * @mux_mode: the mux mode for this pin.
38 * struct imx_pin_scu - SCU pin configurations
39 * @mux: the mux mode for this pin.
48 * struct imx_pin - describes a single i.MX pin
50 * @conf: config type of this pin, either mmio or scu
55 struct imx_pin_mmio mmio; member
61 * struct imx_pin_reg - describe a pin reg map
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Dpinctrl-imx.c1 // SPDX-License-Identifier: GPL-2.0+
28 #include "pinctrl-imx.h"
41 for (i = 0; i < pctldev->num_groups; i++) { in imx_pinctrl_find_group_by_name()
43 if (grp && !strcmp(grp->name, name)) in imx_pinctrl_find_group_by_name()
53 seq_printf(s, "%s", dev_name(pctldev->dev)); in imx_pin_dbg_show()
61 const struct imx_pinctrl_soc_info *info = ipctl->info; in imx_dt_node_to_map()
73 grp = imx_pinctrl_find_group_by_name(pctldev, np->name); in imx_dt_node_to_map()
75 dev_err(ipctl->dev, "unable to find group for node %pOFn\n", np); in imx_dt_node_to_map()
76 return -EINVAL; in imx_dt_node_to_map()
79 if (info->flags & IMX_USE_SCU) { in imx_dt_node_to_map()
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/Linux-v6.1/Documentation/devicetree/bindings/net/
Dmdio-mux-multiplexer.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/net/mdio-mux-multiplexer.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Andrew Lunn <andrew@lunn.ch>
13 This is a special case of MDIO mux when MDIO mux is defined as a consumer
14 of a mux producer device. The mux producer can be of any type like mmio mux
15 producer, gpio mux producer or generic register based mux producer.
19 - $ref: /schemas/net/mdio-mux.yaml#
23 const: mdio-mux-multiplexer
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/Linux-v6.1/drivers/ata/
Dahci_xgene.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * AppliedMicro X-Gene SoC SATA Host Controller Driver
22 #define DRV_NAME "xgene-ahci"
27 /* MUX CSR */
88 void __iomem *csr_mux; /* MUX CSR address of IP */
93 dev_dbg(ctx->dev, "Release memory from shutdown\n"); in xgene_ahci_init_memram()
94 writel(0x0, ctx->csr_diag + CFG_MEM_RAM_SHUTDOWN); in xgene_ahci_init_memram()
95 readl(ctx->csr_diag + CFG_MEM_RAM_SHUTDOWN); /* Force a barrier */ in xgene_ahci_init_memram()
97 if (readl(ctx->csr_diag + BLOCK_MEM_RDY) != 0xFFFFFFFF) { in xgene_ahci_init_memram()
98 dev_err(ctx->dev, "failed to release memory from shutdown\n"); in xgene_ahci_init_memram()
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/Linux-v6.1/Documentation/devicetree/bindings/arm/npcm/
Dnuvoton,gcr.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jonathan Neuschäfer <j.neuschaefer@gmx.net>
11 - Tomer Maimon <tmaimon77@gmail.com>
21 - enum:
22 - nuvoton,wpcm450-gcr
23 - nuvoton,npcm750-gcr
24 - nuvoton,npcm845-gcr
25 - const: syscon
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/Linux-v6.1/drivers/mfd/
Dstm32-lptimer.c1 // SPDX-License-Identifier: GPL-2.0
3 * STM32 Low-Power Timer parent driver.
6 * Inspired by Benjamin Gaignard's stm32-timers driver
9 #include <linux/mfd/stm32-lptimer.h>
30 * Low-Power Timer supports it. in stm32_lptimer_detect_encoder()
32 ret = regmap_update_bits(ddata->regmap, STM32_LPTIM_CFGR, in stm32_lptimer_detect_encoder()
37 ret = regmap_read(ddata->regmap, STM32_LPTIM_CFGR, &val); in stm32_lptimer_detect_encoder()
41 ret = regmap_update_bits(ddata->regmap, STM32_LPTIM_CFGR, in stm32_lptimer_detect_encoder()
46 ddata->has_encoder = !!(val & STM32_LPTIM_ENC); in stm32_lptimer_detect_encoder()
53 struct device *dev = &pdev->dev; in stm32_lptimer_probe()
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/Linux-v6.1/Documentation/devicetree/bindings/mfd/
Dti,j721e-system-controller.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 # Copyright (C) 2020 Texas Instruments Incorporated - http://www.ti.com/
4 ---
5 $id: http://devicetree.org/schemas/mfd/ti,j721e-system-controller.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
14 represent as any specific type of device. The typical use-case is
15 for some other node's driver, or platform-specific code, to acquire
22 - Kishon Vijay Abraham I <kishon@ti.com>
23 - Roger Quadros <rogerq@kernel.org>
28 - enum:
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/Linux-v6.1/drivers/spi/
Dspi-dw-bt1.c1 // SPDX-License-Identifier: GPL-2.0-only
9 // Baikal-T1 DW APB SPI and System Boot SPI driver
17 #include <linux/mux/consumer.h>
24 #include <linux/spi/spi-mem.h>
27 #include "spi-dw.h"
35 struct mux_control *mux; member
52 struct dw_spi_bt1 *dwsbt1 = to_dw_spi_bt1(desc->mem->spi->controller); in dw_spi_bt1_dirmap_create()
54 if (!dwsbt1->map || in dw_spi_bt1_dirmap_create()
55 !dwsbt1->dws.mem_ops.supports_op(desc->mem, &desc->info.op_tmpl)) in dw_spi_bt1_dirmap_create()
56 return -EOPNOTSUPP; in dw_spi_bt1_dirmap_create()
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/Linux-v6.1/Documentation/devicetree/bindings/mtd/
Dti,am654-hbmc.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/mtd/ti,am654-hbmc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Vignesh Raghavendra <vigneshr@ti.com>
14 const: ti,am654-hbmc
19 power-domains: true
20 '#address-cells': true
21 '#size-cells': true
24 mux-controls:
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/Linux-v6.1/arch/arm/boot/dts/
Dzynq-zc702.dts1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (C) 2011 - 2014 Xilinx
6 /dts-v1/;
7 #include "zynq-7000.dtsi"
11 compatible = "xlnx,zynq-zc702", "xlnx,zynq-7000";
27 stdout-path = "serial0:115200n8";
30 gpio-keys {
31 compatible = "gpio-keys";
33 switch-14 {
37 wakeup-source;
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Dnuvoton-npcm730-gbs.dts1 // SPDX-License-Identifier: GPL-2.0
4 /dts-v1/;
5 #include "nuvoton-npcm730.dtsi"
6 #include <dt-bindings/gpio/gpio.h>
10 compatible = "quanta,gbs-bmc","nuvoton,npcm730";
71 stdout-path = &serial0;
78 gpio-keys {
79 compatible = "gpio-keys";
80 sas-cable0 {
81 label = "sas-cable0";
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Dmmp2.dtsi1 // SPDX-License-Identifier: GPL-2.0-only
7 #include <dt-bindings/clock/marvell,mmp2.h>
8 #include <dt-bindings/power/marvell,mmp2.h>
9 #include <dt-bindings/clock/marvell,mmp2-audio.h>
12 #address-cells = <1>;
13 #size-cells = <1>;
25 #address-cells = <1>;
26 #size-cells = <1>;
27 compatible = "simple-bus";
28 interrupt-parent = <&intc>;
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/Linux-v6.1/arch/arm64/boot/dts/ti/
Dk3-j7200-mcu-wakeup.dtsi1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (C) 2020-2021 Texas Instruments Incorporated - https://www.ti.com/
9 dmsc: system-controller@44083000 {
10 compatible = "ti,k2g-sci";
11 ti,host-id = <12>;
13 mbox-names = "rx", "tx";
18 reg-names = "debug_messages";
21 k3_pds: power-controller {
22 compatible = "ti,sci-pm-domain";
23 #power-domain-cells = <2>;
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/Linux-v6.1/arch/arm/mach-vt8500/
Dvt8500.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * arch/arm/mach-vt8500/vt8500.c
12 #include <asm/mach-types.h>
40 /* SoC MMIO registers */
70 fb = of_find_compatible_node(NULL, NULL, "via,vt8500-fb"); in vt8500_init()
72 np = of_find_compatible_node(NULL, NULL, "via,vt8500-gpio"); in vt8500_init()
92 pr_err("%s: Could not remap GPIO mux\n", __func__); in vt8500_init()
99 fb = of_find_compatible_node(NULL, NULL, "wm,wm8505-fb"); in vt8500_init()
101 np = of_find_compatible_node(NULL, NULL, "wm,wm8505-gpio"); in vt8500_init()
104 "wm,wm8650-gpio"); in vt8500_init()
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/Linux-v6.1/drivers/tty/serial/
Ddz.c1 // SPDX-License-Identifier: GPL-2.0
12 * [31-AUG-98] triemer
14 * removed base_addr code - moving address assignment to setup.c
16 * [13-NOV-98] triemer fixed code to receive characters
18 * [09-JAN-99] triemer minor fix for schedule - due to removal of timeout
19 * field from "current" - somewhere between 2.1.121 and 2.1.131
21 * [27-JUN-2001] Arnaldo Carvalho de Melo <acme@conectiva.com.br> - cleanups
24 * [07-SEP-99] Bugfixes
26 * [06-Jan-2002] Russell King <rmk@arm.linux.org.uk>
71 struct dz_mux *mux; member
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/Linux-v6.1/drivers/media/pci/dt3155/
Ddt3155.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * Copyright (C) 2006-2010 by Marin Mitov *
15 #include <media/v4l2-device.h>
16 #include <media/v4l2-dev.h>
17 #include <media/videobuf2-v4l2.h>
150 * struct dt3155_priv - private data structure
157 * @mux: mutex to protect the instance
166 * @regs: local copy of mmio base register
176 struct mutex mux; member
Ddt3155.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright (C) 2006-2010 by Marin Mitov *
14 #include <media/v4l2-dev.h>
15 #include <media/v4l2-ioctl.h>
16 #include <media/v4l2-common.h>
17 #include <media/videobuf2-dma-contig.h>
24 * read_i2c_reg - reads an internal i2c register
26 * @addr: dt3155 mmio base address
43 return -EIO; /* error: NEW_CYCLE not cleared */ in read_i2c_reg()
48 return -EIO; /* error: DIRECT_ABORT set */ in read_i2c_reg()
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