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/Linux-v6.1/Documentation/devicetree/bindings/spi/
Dspi-xilinx.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/spi/spi-xilinx.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Xilinx SPI controller
10 - Michal Simek <michal.simek@xilinx.com>
13 - $ref: "spi-controller.yaml#"
18 - xlnx,xps-spi-2.00.a
19 - xlnx,xps-spi-2.00.b
20 - xlnx,axi-quad-spi-1.00.a
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/Linux-v6.1/drivers/spi/
Dspi-xilinx.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Xilinx SPI controller driver (master mode only)
10 * 2002-2007 (c) MontaVista Software, Inc.
18 #include <linux/spi/spi.h>
19 #include <linux/spi/spi_bitbang.h>
20 #include <linux/spi/xilinx_spi.h>
27 /* Register definitions as per "OPB Serial Peripheral Interface (SPI) (v1.00e)
56 #define XSPI_SSR_OFFSET 0x70 /* 32-bit Slave Select Register */
120 if (!xspi->tx_ptr) { in xilinx_spi_tx()
121 xspi->write_fn(0, xspi->regs + XSPI_TXD_OFFSET); in xilinx_spi_tx()
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DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
3 # SPI driver configuration
5 menuconfig SPI config
6 bool "SPI support"
10 protocol. Chips that support SPI can have data transfer rates
12 controller and a chipselect. Most SPI slaves don't support
13 dynamic device discovery; some are even write-only or read-only.
15 SPI is widely used by microcontrollers to talk with sensors,
17 chips, analog to digital (and d-to-a) converters, and more.
18 MMC and SD cards can be accessed using SPI protocol; and for
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/Linux-v6.1/Documentation/devicetree/bindings/
Dxilinx.txt6 devices (gpio, LCD, spi, etc). Also, since these devices are
10 Each IP-core has a set of parameters which the FPGA designer can use to
20 properties of the device node. In general, device nodes for IP-cores
23 (name): (generic-name)@(base-address) {
24 compatible = "xlnx,(ip-core-name)-(HW_VER)"
27 interrupt-parent = <&interrupt-controller-phandle>;
29 xlnx,(parameter1) = "(string-value)";
30 xlnx,(parameter2) = <(int-value)>;
33 (generic-name): an open firmware-style name that describes the
36 (ip-core-name): the name of the ip block (given after the BEGIN
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/Linux-v6.1/drivers/usb/host/
DKconfig1 # SPDX-License-Identifier: GPL-2.0
11 The Cypress C67x00 (EZ-Host/EZ-OTG) chips are dual-role
28 module will be called xhci-hcd.
91 tristate "xHCI support for Renesas R-Car SoCs"
96 found in Renesas R-Car ARM SoCs.
123 modules will be called ohci-platform.ko, ehci-brcm.ko and
124 xhci-plat-hcd.ko
149 module will be called ehci-hcd.
155 Some EHCI chips have vendor-specific extensions to integrate
177 (possibly due to "ENOSPC" or "-28" errors), say Y. Conversely, if
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/Linux-v6.1/
DMAINTAINERS9 -------------------------
14 2. Try to release a few ALPHA test versions to the net. Announce
30 ``diff -u`` to make the patch easy to merge. Be prepared to get your
40 See Documentation/process/coding-style.rst for guidance here.
46 See Documentation/process/submitting-patches.rst for details.
57 include a Signed-off-by: line. The current version of this
59 Documentation/process/submitting-patches.rst.
70 that the bug would present a short-term risk to other users if it
76 Documentation/admin-guide/security-bugs.rst for details.
81 ---------------------------------------------------
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/Linux-v6.1/sound/pci/hda/
Dpatch_realtek.c1 // SPDX-License-Identifier: GPL-2.0-or-later
34 /* extra amp-initialization sequence types */
144 struct alc_spec *spec = codec->spec; in coef_mutex_lock()
147 mutex_lock(&spec->coef_mutex); in coef_mutex_lock()
152 struct alc_spec *spec = codec->spec; in coef_mutex_unlock()
154 mutex_unlock(&spec->coef_mutex); in coef_mutex_unlock()
206 if (val != -1) in __alc_update_coefex_idx()
226 struct alc_spec *spec = codec->spec; in alc_get_coef0()
228 if (!spec->coef0) in alc_get_coef0()
229 spec->coef0 = alc_read_coef_idx(codec, 0); in alc_get_coef0()
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