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/linux/Documentation/devicetree/bindings/bus/
H A Dqcom,ssc-block-bus.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/bus/qcom,ssc-block-bus.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: The AHB Bus Providing a Global View of the SSC Block on (some) qcom SoCs
10 - Michael Srba <Michael.Srba@seznam.cz>
14 need to be turned on in a sequence before communication over the AHB bus
20 The SSC (Snapdragon Sensor Core) block contains a gpio controller, i2c/spi/uart
27 - const: qcom,msm8998-ssc-block-bus
28 - const: qcom,ssc-block-bus
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/linux/drivers/bus/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0
3 # Bus Devices
6 menu "Bus devices"
24 bool "ARM Integrator Logic Module bus"
29 Say y here to enable support for the ARM Logic Module bus
33 tristate "Broadcom STB GISB bus arbiter"
37 Driver for the Broadcom Set Top Box System-on-a-chip internal bus
39 and internal bus master decoding.
42 bool "Baikal-T1 APB-bus driver"
46 Baikal-T1 AXI-APB bridge is used to access the SoC subsystem CSRs.
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H A DMakefile1 # SPDX-License-Identifier: GPL-2.0
3 # Makefile for the bus drivers.
6 # Interconnect bus drivers for ARM platforms
7 obj-$(CONFIG_ARM_CCI) += arm-cci.o
8 obj-$(CONFIG_ARM_INTEGRATOR_LM) += arm-integrator-lm.o
9 obj-$(CONFIG_HISILICON_LPC) += hisi_lpc.o
10 obj-$(CONFIG_BRCMSTB_GISB_ARB) += brcmstb_gisb.o
11 obj-$(CONFIG_MOXTET) += moxtet.o
13 # DPAA2 fsl-mc bus
14 obj-$(CONFIG_FSL_MC_BUS) += fsl-mc/
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H A Dqcom-ssc-block-bus.c1 // SPDX-License-Identifier: GPL-2.0-only
68 ret = clk_prepare_enable(data->xo_clk); in qcom_ssc_block_bus_init()
74 ret = clk_prepare_enable(data->aggre2_clk); in qcom_ssc_block_bus_init()
80 ret = clk_prepare_enable(data->gcc_im_sleep_clk); in qcom_ssc_block_bus_init()
90 reg32_clear_bits(data->reg_mpm_sscaon_config0, in qcom_ssc_block_bus_init()
93 reg32_clear_bits(data->reg_mpm_sscaon_config1, BIT(31)); in qcom_ssc_block_bus_init()
95 ret = clk_prepare_enable(data->aggre2_north_clk); in qcom_ssc_block_bus_init()
101 ret = reset_control_deassert(data->ssc_reset); in qcom_ssc_block_bus_init()
107 ret = reset_control_deassert(data->ssc_bcr); in qcom_ssc_block_bus_init()
113 regmap_write(data->halt_map, data->ssc_axi_halt + AXI_HALTREQ_REG, 0); in qcom_ssc_block_bus_init()
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/linux/drivers/misc/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
27 See Documentation/misc-devices/ad525x_dpot.rst for the
34 tristate "support I2C bus connection"
37 Say Y here if you have a digital potentiometers hooked to an I2C bus.
40 module will be called ad525x_dpot-i2c.
43 tristate "support SPI bus connection"
46 Say Y here if you have a digital potentiometers hooked to an SPI bus.
51 module will be called ad525x_dpot-spi.
65 This option enables device driver support for in-band access to the
78 website <https://www-03.ibm.com/systems/info/x86servers/serverproven/compat/us/>
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/linux/drivers/pci/controller/
H A Dpcie-brcmstb.c1 // SPDX-License-Identifier: GPL-2.0+
2 /* Copyright (C) 2009 - 2019 Broadcom */
15 #include <linux/irqchip/irq-msi-lib.h>
27 #include <linux/pci-ecam.h>
38 /* BRCM_PCIE_CAP_REGS - Offset for the mandatory capability config regs */
171 #define BRCM_INT_PCI_MSI_MASK GENMASK(BRCM_INT_PCI_MSI_NR - 1, 0)
173 32 - BRCM_INT_PCI_MSI_LEGACY_NR)
201 #define IDX_ADDR(pcie) ((pcie)->cfg->offsets[EXT_CFG_INDEX])
202 #define DATA_ADDR(pcie) ((pcie)->cfg->offsets[EXT_CFG_DATA])
203 #define PCIE_RGR1_SW_INIT_1(pcie) ((pcie)->cfg->offsets[RGR1_SW_INIT_1])
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/linux/drivers/gpu/drm/bridge/cadence/
H A Dcdns-mhdp8546-core.c1 // SPDX-License-Identifier: GPL-2.0
7 * Authors: Quentin Schulz <quentin.schulz@free-electrons.com>
14 * - Implement optimized mailbox communication using mailbox interrupts
15 * - Add support for power management
16 * - Add support for features like audio, MST and fast link training
17 * - Implement request_fw_cancel to handle HW_STATE
18 * - Fix asynchronous loading of firmware implementation
19 * - Add DRM helper function for cdns_mhdp_lower_link_rate
29 #include <linux/media-bus-format.h>
33 #include <linux/phy/phy-dp.h>
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/linux/arch/arm/boot/dts/broadcom/
H A Dbcm2711.dtsi1 // SPDX-License-Identifier: GPL-2.0
4 #include <dt-bindings/interrupt-controller/arm-gic.h>
5 #include <dt-bindings/soc/bcm2835-pm.h>
10 #address-cells = <2>;
11 #size-cells = <1>;
13 interrupt-parent = <&gicv2>;
16 compatible = "brcm,bcm2711-vc5";
20 clk_27MHz: clk-27M {
21 #clock-cells = <0>;
22 compatible = "fixed-clock";
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/linux/drivers/scsi/
H A Dscsi_error.c1 // SPDX-License-Identifier: GPL-2.0-only
66 lockdep_assert_held(shost->host_lock); in scsi_eh_wakeup()
68 if (busy == shost->host_failed) { in scsi_eh_wakeup()
70 wake_up_process(shost->ehandler); in scsi_eh_wakeup()
77 * scsi_schedule_eh - schedule EH for SCSI host
86 spin_lock_irqsave(shost->host_lock, flags); in scsi_schedule_eh()
90 shost->host_eh_scheduled++; in scsi_schedule_eh()
94 spin_unlock_irqrestore(shost->host_lock, flags); in scsi_schedule_eh()
100 if (!shost->last_reset || shost->eh_deadline == -1) in scsi_host_eh_past_deadline()
110 if (time_before(jiffies, shost->last_reset + shost->eh_deadline) && in scsi_host_eh_past_deadline()
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H A Dst.c1 // SPDX-License-Identifier: GPL-2.0-only
13 Copyright 1992 - 2016 Kai Makisara
16 Some small formal changes - aeb, 950809
18 Last modified: 18-JAN-1998 Richard Gooch <rgooch@atnf.csiro.au> Devfs support
62 is defined and non-zero. */
105 MODULE_PARM_DESC(buffer_kbs, "Default driver buffer size for fixed block mode (KB; 32)");
159 6-byte SCSI read and write commands. */
160 #if ST_FIXED_BUFFER_SIZE >= (2 << 24 - 1)
161 #error "Buffer size should not exceed (2 << 24 - 1) bytes!"
166 /* Setting these non-zero may risk recognizing resets */
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/linux/
H A DMAINTAINERS5 ---------------------------------------------------
21 W: *Web-page* with status/info
23 B: URI for where to file *bugs*. A web-page with detailed bug
28 patches to the given subsystem. This is either an in-tree file,
29 or a URI. See Documentation/maintainer/maintainer-entry-profile.rst
46 N: [^a-z]tegra all files whose path contains tegra
64 ----------------
83 3WARE SAS/SATA-RAID SCSI DRIVERS (3W-XXXX, 3W-9XXX, 3W-SAS)
85 L: linux-scsi@vger.kernel.org
88 F: drivers/scsi/3w-*
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/linux/drivers/gpu/drm/mediatek/
H A Dmtk_dp.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2019-2022 MediaTek Inc.
18 #include <linux/arm-smccc.h>
23 #include <linux/media-bus-format.h>
24 #include <linux/nvmem-consumer.h>
33 #include <sound/hdmi-codec.h>
402 .name = "mtk-dp-registers",
415 ret = regmap_read(mtk_dp->regs, offset, &read_val); in mtk_dp_read()
417 dev_err(mtk_dp->dev, "Failed to read register 0x%x: %d\n", in mtk_dp_read()
427 int ret = regmap_write(mtk_dp->regs, offset, val); in mtk_dp_write()
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/linux/drivers/gpu/drm/amd/include/
H A Datombios.h2 * Copyright 2006-2007 Advanced Micro Devices, Inc.
107 #define ATOM_SCALER_DISABLE 0 //For Fudo, it's bypass and auto-cengter & no replication
108 #define ATOM_SCALER_CENTER 1 //For Fudo, it's bypass and auto-center & auto replication
110 #define ATOM_SCALER_MULTI_EX 3 //For Fudo only, it's multi-tap mode only used to drive TV or CV,…
222 UCHAR uaFirmWareSignature[4]; //Signature to distinguish between Atombios and non-atombios,
245 UCHAR uaFirmWareSignature[4]; //Signature to distinguish between Atombios and non-atombios,
427 …turnFlag:1; // BYTE_3[7]=1 - Return the pointer to the right Data Block; BYTE_3[7]=0 - Progra…
433 …turnFlag:1; // BYTE_3[7]=1 - Return the pointer to the right Data Block; BYTE_3[7]=0 - Progra…
440 …ULONG ulClock; //When returen, it's the re-calculated clock based on given Fb_div Post_Di…
538 …UCHAR ucInputFlag; //Input Flags. ucInputFlag[0] - Strobe(1)/Performance(0)…
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/linux/drivers/net/ethernet/intel/e1000e/
H A Dich8lan.c1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 1999 - 2018 Intel Corporation. */
5 * 82562G-2 10/100 Network Connection
7 * 82562GT-2 10/100 Network Connection
9 * 82562V-2 10/100 Network Connection
10 * 82566DC-2 Gigabit Network Connection
12 * 82566DM-2 Gigabit Network Connection
19 * 82567LM-2 Gigabit Network Connection
20 * 82567LF-2 Gigabit Network Connection
21 * 82567V-2 Gigabit Network Connection
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