| /linux/Documentation/devicetree/bindings/iommu/ |
| H A D | mediatek,iommu.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Yong Wu <yong.wu@mediatek.com>
16 ARM Short-Descriptor translation table format for address translation.
18 About the M4U Hardware Block Diagram, please check below:
24 +--------+
26 gals0-rx gals1-rx (Global Async Local Sync rx)
29 gals0-tx gals1-tx (Global Async Local Sync tx)
31 +--------+
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| /linux/Documentation/devicetree/bindings/phy/ |
| H A D | phy-miphy28lp.txt | 1 STMicroelectronics STi MIPHY28LP PHY binding
4 This binding describes a miphy device that is used to control PHY hardware
8 - compatible : Should be "st,miphy28lp-phy".
9 - st,syscfg : Should be a phandle of the system configuration register group
12 Required nodes : A sub-node is required for each channel the controller
14 'reg' and 'reg-names' properties are used inside these
19 - #phy-cells : Should be 1 (See second example)
21 - PHY_TYPE_SATA
22 - PHY_TYPE_PCI
23 - PHY_TYPE_USB3
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| /linux/drivers/soc/qcom/ |
| H A D | ice.c | 1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (c) 2013-2019, The Linux Foundation. All rights reserved.
96 writel((val), (engine)->base + (reg))
99 readl((engine)->base + (reg))
119 struct device *dev = ice->dev; in qcom_ice_check_supported()
136 ice->hwkm_version = QCOM_ICE_HWKM_V2; in qcom_ice_check_supported()
138 ice->hwkm_version = QCOM_ICE_HWKM_V1; in qcom_ice_check_supported()
140 ice->hwkm_version = 0; in qcom_ice_check_supported()
145 if (ice->hwkm_version) in qcom_ice_check_supported()
147 ice->hwkm_version); in qcom_ice_check_supported()
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| /linux/Documentation/arch/arm64/ |
| H A D | arm-acpi.rst | 23 industry-standard Arm systems, they also apply to more than one operating
25 ACPI and Linux only, on an Arm system -- that is, what Linux expects of
30 ----------------
33 exist in Linux for describing non-enumerable hardware, after all. In this
40 - ACPI’s byte code (AML) allows the platform to encode hardware behavior,
41 while DT explicitly does not support this. For hardware vendors, being
45 - ACPI’s OSPM defines a power management model that constrains what the
49 - In the enterprise server environment, ACPI has established bindings (such
50 as for RAS) which are currently used in production systems. DT does not.
51 Such bindings could be defined in DT at some point, but doing so means Arm
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| /linux/drivers/irqchip/ |
| H A D | irq-apple-aic.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Based on irq-lpc32xx:
6 * Copyright 2015-2016 Vladimir Zapolskiy <vz@mleia.com>
7 * Based on irq-bcm2836:
14 * - 896 level-triggered hardware IRQs
15 * - Single mask bit per IRQ
16 * - Per-IRQ affinity setting
17 * - Automatic masking on event delivery (auto-ack)
18 * - Software triggering (ORed with hw line)
19 * - 2 per-CPU IPIs (meant as "self" and "other", but they are
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| /linux/drivers/spi/ |
| H A D | spi-davinci.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
17 #include <linux/dma-mapping.h>
111 * struct davinci_spi_platform_data - Platform data for SPI master device on DaVinci
134 * struct davinci_spi_config - Per-chip-selec
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| /linux/drivers/edac/ |
| H A D | synopsys_edac.c | 1 // SPDX-License-Identifier: GPL-2.0-only
6 * Copyright (C) 2012 - 2014 Xilinx, Inc.
268 * struct ecc_error_info - ECC error log information.
288 * struct synps_ecc_status - ECC status information to report.
302 * struct synps_edac_priv - DDR memory controller private instance data.
342 * struct synps_platform_data - synps platform data structure.
362 * zynq_get_error_info - Get the current ECC error info.
373 base = priv->baseaddr; in zynq_get_error_info()
374 p = &priv->stat; in zynq_get_error_info()
380 p->ce_cnt = (regval & STAT_CECNT_MASK) >> STAT_CECNT_SHIFT; in zynq_get_error_info()
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| /linux/drivers/gpu/drm/sun4i/ |
| H A D | sun4i_tcon.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
6 * Maxime Ripard <maxime.ripard@free-electrons.com>
11 #include <linux/media-bus-format.h>
48 drm_connector_list_iter_begin(encoder->dev, &iter); in sun4i_tcon_get_connector()
50 if (connector->encoder == encoder) { in sun4i_tcon_get_connector()
66 return -EINVAL; in sun4i_tcon_get_pixel_depth()
68 info = &connector->display_info; in sun4i_tcon_get_pixel_depth()
69 if (info->num_bus_formats != 1) in sun4i_tcon_get_pixel_depth()
70 return -EINVAL; in sun4i_tcon_get_pixel_depth()
72 switch (info->bus_formats[0]) { in sun4i_tcon_get_pixel_depth()
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| /linux/drivers/mfd/ |
| H A D | arizona-core.c | 1 // SPDX-License-Identifier: GPL-2.0-only
40 mutex_lock(&arizona->clk_lock); in arizona_clk32k_enable()
42 arizona->clk32k_ref++; in arizona_clk32k_enable()
44 if (arizona->clk32k_ref == 1) { in arizona_clk32k_enable()
45 switch (arizona->pdata.clk32k_src) { in arizona_clk32k_enable()
47 ret = pm_runtime_resume_and_get(arizona->dev); in arizona_clk32k_enable()
50 ret = clk_prepare_enable(arizona->mclk[ARIZONA_MCLK1]); in arizona_clk32k_enable()
52 pm_runtime_put_sync(arizona->dev); in arizona_clk32k_enable()
57 ret = clk_prepare_enable(arizona->mclk[ARIZONA_MCLK2]); in arizona_clk32k_enable()
63 ret = regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1, in arizona_clk32k_enable()
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| /linux/Documentation/scsi/ |
| H A D | ChangeLog.lpfc | 2 * Please read the associated RELEASE-NOTES file !!!
8 * Fixed build warning for 2.6.12-rc2 kernels: mempool_alloc now
19 * Removed FC_TRANSPORT_PATCHESxxx defines. They're in 2.6.12-rc1.
26 * Added PCI ID for LP10000-S.
31 * Zero-out response sense length in lpfc_scsi_prep_cmnd to prevent
33 - was causing spurious 0710 messages.
55 - stop using volatile. if you need special ordering use memory
57 - switch lpfc_sli_pcimem_bcopy to take void * arguments.
58 - remove typecast for constants - a U postfix marks them
60 - add a MAILBOX_CMD_SIZE macro, as most users of
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| /linux/drivers/pinctrl/freescale/ |
| H A D | pinctrl-imx1-core.c | 1 // SPDX-License-Identifier: GPL-2.0+
8 // Based on pinctrl-imx.c:
29 #include "pinctrl-imx1.h"
81 return ipctl->base + port * MX1_PORT_STRIDE; in imx1_mem()
101 dev_dbg(ipctl->dev, "write: register 0x%p offset %d value 0x%x\n", in imx1_write_2bit()
164 for (i = 0; i < info->ngroups; i++) { in imx1_pinctrl_find_group_by_name()
165 if (!strcmp(info->groups[i].name, name)) { in imx1_pinctrl_find_group_by_name()
166 grp = &info->groups[i]; in imx1_pinctrl_find_group_by_name()
177 const struct imx1_pinctrl_soc_info *info = ipctl->info; in imx1_get_groups_count()
179 return info->ngroups; in imx1_get_groups_count()
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| /linux/drivers/net/dsa/qca/ |
| H A D | qca8k-8xxx.c | 1 // SPDX-License-Identifier: GPL-2.0
4 * Copyright (C) 2011-2012 Gabor Juhos <juhosg@openwrt.org>
47 ret = bus->write(bus, phy_id, regnum, lo); in qca8k_mii_write_lo()
49 dev_err_ratelimited(&bus->dev, in qca8k_mii_write_lo()
62 ret = bus->write(bus, phy_id, regnum, hi); in qca8k_mii_write_hi()
64 dev_err_ratelimited(&bus->dev, in qca8k_mii_write_hi()
75 ret = bus->read(bus, phy_id, regnum); in qca8k_mii_read_lo()
83 dev_err_ratelimited(&bus->dev, in qca8k_mii_read_lo()
95 ret = bus->read(bus, phy_id, regnum); in qca8k_mii_read_hi()
103 dev_err_ratelimited(&bus->dev, in qca8k_mii_read_hi()
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| /linux/drivers/input/touchscreen/ |
| H A D | ads7846.c | 1 // SPDX-License-Identifier: GPL-2.0-only
10 * - corgi_ts.c
11 * Copyright (C) 2004-2005 Richard Purdie
12 * - omap_ts.[hc], ads7846.h, ts_osk.c
39 * Support for ads7843 tested on Atmel at91sam926x-EK.
53 * note. The strength of filtering can be set in the board-* specific
76 * driver is used with DMA-based SPI controllers (like atmel_spi) on
77 * systems where main memory is not DMA-coherent (most non-x86 boards).
152 /* leave chip selected when we're done, for quicker re-select? */
159 /*--------------------------------------------------------------------------*/
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| /linux/arch/riscv/kernel/ |
| H A D | cpufeature.c | 1 // SPDX-License-Identifier: GPL-2.0-only
24 #include <asm/text-patching.h>
32 #define NUM_ALPHA_EXTS ('z' - 'a' + 1)
43 /* Per-cpu ISA extensions. */
49 * riscv_isa_extension_base() - Get base extension word
63 * __riscv_isa_extension_available() - Check whether given extension
89 return -EPROBE_DEFER; in riscv_ext_f_depends()
96 pr_err("Zicbom detected in ISA string, disabling as no cbom-block-size found\n"); in riscv_ext_zicbom_validate()
97 return -EINVAL; in riscv_ext_zicbom_validate()
100 pr_err("Zicbom disabled as cbom-block-size present, but is not a power-of-2\n"); in riscv_ext_zicbom_validate()
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| /linux/Documentation/dev-tools/ |
| H A D | checkpatch.rst | 1 .. SPDX-License-Identifier: GPL-2.0-only
27 - -q, --quiet
31 - -v, --verbose
35 - --no-tree
39 - --no-signoff
41 Disable the 'Signed-off-by' line check. The sign-off is a simple line at
43 or otherwise have the right to pass it on as an open-source patch.
47 Signed-off-by: Random J Developer <random@developer.example.org>
49 Setting this flag effectively stops a message for a missing signed-off-by
52 - --patch
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| /linux/drivers/pinctrl/ |
| H A D | pinctrl-at91.c | 1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 2011-2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
29 #include "pinctrl-at91.h"
88 * These defines will translated the dt binding settings to our internal
94 * strength when there is no dt config for it.
114 * struct at91_pmx_func - describes AT91 pinmux functions
134 * struct at91_pmx_pin - describes an At91 pin mux
148 * struct at91_pin_group - describes an At91 pin group
153 * from the driver-local pin enumeration space
165 * struct at91_pinctrl_mux_ops - describes an AT91 mux ops group
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| /linux/drivers/remoteproc/ |
| H A D | xlnx_r5_remoteproc.c | 1 // SPDX-License-Identifier: GPL-2.0
7 #include <dt-bindings/power/xlnx-zynqmp-power.h>
8 #include <linux/dma-mapping.h>
9 #include <linux/firmware/xlnx-zynqmp.h>
12 #include <linux/mailbox/zynqmp-ipi-message.h>
34 * reflects possible values of xlnx,cluster-mode dt-property
38 LOCKSTEP_MODE = 1, /* cores execute same code in lockstep,clk-for-clk */
43 * struct mem_bank_data - Memory Bank description
48 * @pm_domain_id: Power-domains id of memory bank for firmware to turn on/off
60 * struct zynqmp_sram_bank - sram bank description
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| /linux/drivers/pinctrl/renesas/ |
| H A D | pinctrl-rzn1.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (C) 2014-2018 Renesas Electronics Europe Limited
9 #include <dt-bindings/pinctrl/rzn1-pinctrl.h>
19 #include <linux/pinctrl/pinconf-generic.h>
26 #include "../pinctrl-utils.h"
83 * struct rzn1_pmx_func - describes rzn1 pinmux functions
95 * struct rzn1_pin_group - describes an rzn1 pin group
187 u32 val = ipctl->lev1_protect_phys | !(value & LOCK_LEVEL1); in rzn1_hw_set_lock()
189 writel(val, &ipctl->lev1->status_protect); in rzn1_hw_set_lock()
193 u32 val = ipctl->lev2_protect_phys | !(value & LOCK_LEVEL2); in rzn1_hw_set_lock()
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| /linux/arch/riscv/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
4 # see Documentation/kbuild/kconfig-language.rst.
65 # clang >= 17: https://github.com/llvm/llvm-project/commit/62fa708ceb027713b386c7e0efda994f8bdc27e2
236 # -Zsanitizer=shadow-call-stack flag.
246 depends on $(cc-option,-fpatchable-function-entry=8)
250 def_bool $(cc-option,-fsanitize=shadow-call-stack)
251 …# https://github.com/riscv-non-isa/riscv-elf-psabi-doc/commit/a484e843e6eeb51f0cb7b8819e50da6d2444…
252 depends on $(ld-option,--no-relax-gp)
254 # https://github.com/llvm/llvm-project/commit/bbc0f99f3bc96f1db16f649fc21dd18e5b0918f6
257 # https://github.com/llvm/llvm-project/commit/1df5ea29b43690b6622db2cad7b745607ca4de6a
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| /linux/ |
| H A D | Makefile | 1 # SPDX-License-Identifier: GPL-2.0
14 ifeq ($(filter output-sync,$(.FEATURES)),)
28 # Most importantly: sub-Makefiles should only ever modify files in
31 # unavoidable when linking the built-in.a targets which finally
41 this-makefile := $(lastword $(MAKEFILE_LIST))
42 abs_srctree := $(realpath $(dir $(this-makefile)))
47 # Do not use make's built-in rules and variables
48 # (this increases performance and avoids hard-to-debug behaviour)
49 MAKEFLAGS += -rR
61 # ---------------------------------------------------------------------------
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| /linux/scripts/ |
| H A D | checkpatch.pl | 2 # SPDX-License-Identifier: GPL-2.0
7 # (c) 2008-2010 Andy Whitcroft <apw@canonical.com>
8 # (c) 2010-2018 Joe Perches <joe@perches.com>
40 my $check = 0;
69 my $docsfile = "$D/../Documentation/dev-tools/checkpatch.rst";
72 my $allow_c99_comments = 1; # Can be overridden by --ignore C99_COMMENT_TOLERANCE
74 my $git_command ='export LANGUAGE=en_US.UTF-8; git';
88 -q, --quiet quiet
89 -v, --verbose verbose mode
90 --no-tree run without a kernel tree
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| /linux/Documentation/driver-api/ |
| H A D | uio-howto.rst | 5 :Author: Hans-Jürgen Koch Linux developer, Linutronix
6 :Date: 2006-12-11
12 ------------
18 -------
39 - The device has memory that can be mapped. The device can be
42 - The device usually generates interrupts.
44 - The device does not fit into one of the standard kernel subsystems.
47 ---------------
54 --------
64 - only one small kernel module to write and maintain.
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| /linux/drivers/pci/controller/ |
| H A D | pci-tegra.c | 1 // SPDX-License-Identifier: GPL-2.0+
9 * Copyright (c) 2008-2009, NVIDIA Corporation.
11 * Bits taken from arch/arm/mach-dove/pcie.c
26 #include <linux/irqchip/irq-msi-lib.h>
258 * Fields in PADS_REFCLK_CFG*. Those registers form an array of 16-bit
380 writel(value, pcie->afi + offset); in afi_writel()
385 return readl(pcie->afi + offset); in afi_readl()
391 writel(value, pcie->pads + offset); in pads_writel()
396 return readl(pcie->pads + offset); in pads_readl()
431 struct tegra_pcie *pcie = bus->sysdata; in tegra_pcie_map_bus()
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| /linux/sound/soc/fsl/ |
| H A D | fsl_sai.c | 1 // 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
47 * or Receiver's for both streams. This function is used to check if clocks of
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/drivers/usb/dwc3/ |
| H A D | core.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * core.c - DesignWare USB3 DRD Controller Core file
5 * Copyright (C) 2010-2011 Texas Instruments Incorporated - https://www.ti.com
24 #include <linux/dma-mapping.h>
45 #include "../host/xhci-ext-caps.h"
50 * dwc3_get_dr_mode - Validates and sets dr_mode
56 struct device *dev = dwc->dev; in dwc3_get_dr_mode()
59 if (dwc->dr_mode == USB_DR_MODE_UNKNOWN) in dwc3_get_dr_mode()
60 dwc->dr_mode = USB_DR_MODE_OTG; in dwc3_get_dr_mode()
62 mode = dwc->dr_mode; in dwc3_get_dr_mode()
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