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/Linux-v6.1/Documentation/devicetree/bindings/spi/
Dralink,mt7621-spi.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/spi/ralink,mt7621-spi.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 - Sergio Paracuellos <sergio.paracuellos@gmail.com>
10 title: Mediatek MT7621/MT7628 SPI controller
13 - $ref: /schemas/spi/spi-controller.yaml#
17 const: ralink,mt7621-spi
25 clock-names:
26 const: spi
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/Linux-v6.1/arch/mips/boot/dts/ralink/
Dmt7621.dtsi1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 #include <dt-bindings/interrupt-controller/mips-gic.h>
3 #include <dt-bindings/gpio/gpio.h>
4 #include <dt-bindings/clock/mt7621-clk.h>
5 #include <dt-bindings/reset/mt7621-reset.h>
8 #address-cells = <1>;
9 #size-cells = <1>;
10 compatible = "mediatek,mt7621-soc";
13 #address-cells = <1>;
14 #size-cells = <0>;
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Dmt7628a.dtsi1 // SPDX-License-Identifier: GPL-2.0
4 #address-cells = <1>;
5 #size-cells = <1>;
6 compatible = "ralink,mt7628a-soc";
9 #address-cells = <1>;
10 #size-cells = <0>;
19 resetc: reset-controller {
20 compatible = "ralink,rt2880-reset";
21 #reset-cells = <1>;
24 cpuintc: interrupt-controller {
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Dmt7621-gnubee-gb-pc1.dts1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 /dts-v1/;
4 #include "mt7621.dtsi"
6 #include <dt-bindings/gpio/gpio.h>
7 #include <dt-bindings/input/input.h>
10 compatible = "gnubee,gb-pc1", "mediatek,mt7621-soc";
11 model = "GB-PC1";
23 gpio-keys {
24 compatible = "gpio-keys";
26 key-reset {
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Dmt7621-gnubee-gb-pc2.dts1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 /dts-v1/;
4 #include "mt7621.dtsi"
6 #include <dt-bindings/gpio/gpio.h>
7 #include <dt-bindings/input/input.h>
10 compatible = "gnubee,gb-pc2", "mediatek,mt7621-soc";
11 model = "GB-PC2";
23 gpio-keys {
24 compatible = "gpio-keys";
26 key-reset {
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/Linux-v6.1/Documentation/devicetree/bindings/pinctrl/
Dralink,mt7621-pinctrl.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/pinctrl/ralink,mt7621-pinctrl.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Ralink MT7621 Pin Controller
10 - Arınç ÜNAL <arinc.unal@arinc9.com>
11 - Sergio Paracuellos <sergio.paracuellos@gmail.com>
14 Ralink MT7621 pin controller for MT7621 SoC.
20 const: ralink,mt7621-pinctrl
23 '-pins$':
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/Linux-v6.1/drivers/spi/
Dspi-mt7621.c1 // SPDX-License-Identifier: GPL-2.0
3 // spi-mt7621.c -- MediaTek MT7621 SPI controller driver
6 // Copyright (C) 2011-2013 Gabor Juhos <juhosg@openwrt.org>
7 // Copyright (C) 2014-2015 Felix Fietkau <nbd@nbd.name>
9 // Some parts are based on spi-orion.c:
11 // Copyright (C) 2007-2008 Marvell Ltd.
19 #include <linux/spi/spi.h>
21 #define DRIVER_NAME "spi-mt7621"
61 static inline struct mt7621_spi *spidev_to_mt7621_spi(struct spi_device *spi) in spidev_to_mt7621_spi() argument
63 return spi_controller_get_devdata(spi->master); in spidev_to_mt7621_spi()
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Dspi-ar934x.c1 // SPDX-License-Identifier: GPL-2.0
3 // SPI controller driver for Qualcomm Atheros AR934x/QCA95xx SoCs
7 // Based on spi-mt7621.c:
9 // Copyright (C) 2011-2013 Gabor Juhos <juhosg@openwrt.org>
10 // Copyright (C) 2014-2015 Felix Fietkau <nbd@nbd.name>
18 #include <linux/spi/spi.h>
20 #define DRIVER_NAME "spi-ar934x"
52 int div = DIV_ROUND_UP(sp->clk_freq, freq * 2) - 1; in ar934x_spi_clk_div()
57 return -EINVAL; in ar934x_spi_clk_div()
62 static int ar934x_spi_setup(struct spi_device *spi) in ar934x_spi_setup() argument
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DMakefile1 # SPDX-License-Identifier: GPL-2.0
3 # Makefile for kernel SPI drivers.
6 ccflags-$(CONFIG_SPI_DEBUG) := -DDEBUG
8 # small core, mostly translating board-specific
10 obj-$(CONFIG_SPI_MASTER) += spi.o
11 obj-$(CONFIG_SPI_MEM) += spi-mem.o
12 obj-$(CONFIG_SPI_MUX) += spi-mux.o
13 obj-$(CONFIG_SPI_SPIDEV) += spidev.o
14 obj-$(CONFIG_SPI_LOOPBACK_TEST) += spi-loopback-test.o
16 # SPI master controller drivers (bus)
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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/drivers/net/dsa/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
20 tristate "DSA mock-up Ethernet switch chip support"
23 This enables support for a fake mock-up switch chip which
37 tristate "MediaTek MT753x and MT7621 Ethernet switch support"
41 This enables support for the MediaTek MT7530, MT7531, and MT7621
83 tristate "SMSC/Microchip LAN9303 3-ports 10/100 ethernet switch in I2C managed mode"
93 tristate "Microchip LAN9303/LAN9354 3-ports 10/100 ethernet switch in MDIO managed mode"
110 tristate "Vitesse VSC7385/7388/7395/7398 SPI mode support"
111 depends on SPI
115 and VSC7398 SparX integrated ethernet switches in SPI managed mode.
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/Linux-v6.1/drivers/pinctrl/ralink/
Dpinctrl-mt7621.c1 // SPDX-License-Identifier: GPL-2.0-only
6 #include "pinctrl-ralink.h"
61 FUNC("spi", 0, 34, 7),
85 GRP_G("spi", spi_func, MT7621_GPIO_MODE_SPI_MASK,
99 { .compatible = "ralink,mt7621-pinctrl" },
107 .name = "mt7621-pinctrl",
/Linux-v6.1/drivers/clk/ralink/
Dclk-mt7621.c1 // SPDX-License-Identifier: GPL-2.0
3 * Mediatek MT7621 Clock Driver
9 #include <linux/clk-provider.h>
14 #include <linux/reset-controller.h>
16 #include <dt-bindings/clock/mt7621-clk.h>
17 #include <dt-bindings/reset/mt7621-reset.h>
81 GATE(MT7621_CLK_SPI, "spi", "bus", BIT(18)),
101 struct regmap *sysc = clk_gate->priv->sysc; in mt7621_gate_enable()
104 clk_gate->bit_idx, clk_gate->bit_idx); in mt7621_gate_enable()
110 struct regmap *sysc = clk_gate->priv->sysc; in mt7621_gate_disable()
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/Linux-v6.1/drivers/gpio/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
57 non-sleeping contexts. They can make bitbanged serial protocols
108 # This symbol is selected by both I2C and SPI expanders
116 tristate "GPIO driver for 74xx-ICs with MMIO access"
120 Say yes here to support GPIO functionality for 74xx-compatible ICs
136 If driver is built as a module it will be called gpio-altera.
297 tristate "Generic memory-mapped GPIO controller support (MMIO platform device)"
300 Say yes here to support basic platform_device memory-mapped GPIO controllers.
319 This GPIO controller supports double-edge interrupt and multi-core
338 ICH-based chipsets. Currently supported devices: ICH6, ICH7, ICH8
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/Linux-v6.1/drivers/i2c/busses/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
16 for Cypress CCGx Type-C controller. Individual bus drivers
25 controller is part of the 7101 device, which is an ACPI-compliant
29 will be called i2c-ali1535.
37 controller is part of the 7101 device, which is an ACPI-compliant
41 will be called i2c-ali1563.
51 will be called i2c-ali15x3.
63 will be called i2c-amd756.
70 S4882 motherboard. On this 4-CPU board, the SMBus is multiplexed
76 will be called i2c-amd756-s4882.
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/Linux-v6.1/
DMAINTAINERS9 -------------------------
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 ---------------------------------------------------
97 W: *Web-page* with status/info
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