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/linux/Documentation/devicetree/bindings/i2c/
H A Dsnps,designware-i2c.yaml1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/i2c/snps,designware-i2c.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Synopsys DesignWare APB I2C Controller
10 - Jarkko Nikula <jarkko.nikula@linux.intel.com>
13 - $ref: /schemas/i2c/i2c-controller.yaml#
14 - if:
19 const: mscc,ocelot-i2c
28 - description: Generic Synopsys DesignWare I2C controller
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/linux/arch/mips/boot/dts/mscc/
H A Docelot.dtsi1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
5 #address-cells = <1>;
6 #size-cells = <1>;
7 compatible = "mscc,ocelot";
10 #address-cells = <1>;
11 #size-cells = <0>;
25 cpuintc: interrupt-controller {
26 #address-cells = <0>;
27 #interrupt-cells = <1>;
28 interrupt-controller;
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H A Docelot_pcb123.dts1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
4 /dts-v1/;
6 #include "ocelot.dtsi"
9 compatible = "mscc,ocelot-pcb123", "mscc,ocelot";
12 stdout-path = "serial0:115200n8";
33 compatible = "macronix,mx25l25635f", "jedec,spi-nor";
34 spi-max-frequency = <20000000>;
39 &i2c {
40 clock-frequency = <100000>;
41 i2c-sda-hold-time-ns = <300>;
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H A Djaguar2.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
7 #address-cells = <1>;
8 #size-cells = <1>;
18 #address-cells = <1>;
19 #size-cells = <0>;
29 cpuintc: interrupt-controller {
30 #address-cells = <0>;
31 #interrupt-cells = <1>;
32 interrupt-controller;
33 compatible = "mti,cpu-interrupt-controller";
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H A Dluton.dtsi1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
5 #address-cells = <1>;
6 #size-cells = <1>;
10 #address-cells = <1>;
11 #size-cells = <0>;
25 cpuintc: interrupt-controller {
26 #address-cells = <0>;
27 #interrupt-cells = <1>;
28 interrupt-controller;
29 compatible = "mti,cpu-interrupt-controller";
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H A Dserval.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
7 #address-cells = <1>;
8 #size-cells = <1>;
12 #address-cells = <1>;
13 #size-cells = <0>;
28 cpuintc: interrupt-controller {
29 #address-cells = <0>;
30 #interrupt-cells = <1>;
31 interrupt-controller;
32 compatible = "mti,cpu-interrupt-controller";
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/linux/drivers/mfd/
H A Docelot-core.c1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
3 * Core driver for the Ocelot chip family.
6 * on-chip MIPS processor, or externally via SPI, I2C, PCIe. This core driver is
7 * intended to be the bus-agnostic glue between, for example, the SPI bus and
10 * Copyright 2021-2022 Innovative Advantage Inc.
12 * Author: Colin Foster <colin.foster@in-advantage.com>
22 #include <linux/mfd/ocelot.h>
27 #include <soc/mscc/ocelot.h>
29 #include "ocelot.h"
91 err = regmap_read(ddata->gcb_regmap, REG_GCB_SOFT_RST, &val); in ocelot_gcb_chip_rst_status()
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H A DMakefile1 # SPDX-License-Identifier: GPL-2.0
6 88pm860x-objs := 88pm860x-core.o 88pm860x-i2c.o
7 obj-$(CONFIG_MFD_88PM860X) += 88pm860x.o
8 obj-$(CONFIG_MFD_88PM800) += 88pm800.o 88pm80x.o
9 obj-$(CONFIG_MFD_88PM805) += 88pm805.o 88pm80x.o
10 obj-$(CONFIG_MFD_88PM886_PMIC) += 88pm886.o
11 obj-$(CONFIG_MFD_ACT8945A) += act8945a.o
12 obj-$(CONFIG_MFD_SM501) += sm501.o
13 obj-$(CONFIG_ARCH_BCM2835) += bcm2835-pm.o
14 obj-$(CONFIG_MFD_BCM590XX) += bcm590xx.o
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H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
27 depends on I2C
31 expander, PWM and keypad controller. This includes the I2C driver and
57 tristate "Active-semi ACT8945A"
60 depends on I2C && OF
62 Support for the ACT8945A PMIC from Active-semi. This device
63 features three step-down DC/DC converters and four low-dropout
79 sun4i-gpadc-iio and the hwmon driver iio_hwmon.
82 called sun4i-gpadc.
89 depends on I2C=y
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/linux/arch/arm64/boot/dts/microchip/
H A Dsparx5.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 #include <dt-bindings/gpio/gpio.h>
7 #include <dt-bindings/interrupt-controller/arm-gic.h>
8 #include <dt-bindings/clock/microchip,sparx5.h>
12 interrupt-parent = <&gic>;
13 #address-cells = <2>;
14 #size-cells = <1>;
23 stdout-path = "serial0:115200n8";
27 #address-cells = <1>;
28 #size-cells = <0>;
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/linux/drivers/pinctrl/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
66 will be called pinctrl-apple-gpio.
69 bool "Axis ARTPEC-6 pin controller driver"
74 This is the driver for the Axis ARTPEC-6 pin controller. This driver
77 found in Documentation/devicetree/bindings/pinctrl/axis,artpec6-pinctrl.txt
86 functionality. This driver supports the pinmux, push-pull and
117 tristate "X-Powers AXP209 PMIC pinctrl and GPIO Support"
131 tristate "Awinic AW9523/AW9523B I2C GPIO expander pinctrl driver"
132 depends on OF && I2C
141 The Awinic AW9523/AW9523B is a multi-function I2C GPIO
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/linux/drivers/net/dsa/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
20 tristate "DSA mock-up Ethernet switch chip support"
24 This enables support for a fake mock-up switch chip which
44 switch chips. Multi-chip module MT7530 in MT7621AT, MT7621DAT,
45 MT7621ST and MT7623AI SoCs, and built-in switch in MT7988 SoC are
55 chips which are connected via MDIO, as well as multi-chip
65 This enables support for the built-in Ethernet switch found
82 source "drivers/net/dsa/ocelot/Kconfig"
111 tristate "SMSC/Microchip LAN9303 3-ports 10/100 ethernet switch in I2C managed mode"
112 depends on I2C
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/linux/drivers/power/reset/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
13 bool "ams AS3722 power-off driver"
16 This driver supports turning off board via a ams AS3722 power-off.
35 tristate "Atmel AT91 SAMA5D2-Compatible shutdown controller driver"
43 tristate "Actions Semi ATC260x PMIC power-off driver"
46 This driver provides power-off and restart support for a system
64 Say Y here if you have a Broadcom Kona-based board and you wish
90 bool "Cortina Gemini power-off driver"
99 bool "GPIO power-off driver"
115 bool "Hisilicon power-off driver"
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/linux/drivers/i2c/busses/
H A Di2c-designware-platdrv.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Synopsys DesignWare I2C adapter driver.
5 * Based on the TI DAVINCI I2C adapter driver.
11 #include <linux/clk-provider.h>
17 #include <linux/i2c.h>
33 #include "i2c-designware-core.h"
37 return clk_get_rate(dev->clk) / KILO; in i2c_dw_get_clk_rate_khz()
57 ret = regmap_write(dev->sysmap, BT1_I2C_CTL, in bt1_i2c_read()
62 return regmap_read(dev->sysmap, BT1_I2C_DO, val); in bt1_i2c_read()
70 ret = regmap_write(dev->sysmap, BT1_I2C_DI, val); in bt1_i2c_write()
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/linux/drivers/irqchip/
H A DMakefile1 # SPDX-License-Identifier: GPL-2.0
2 obj-$(CONFIG_IRQCHIP) += irqchip.o
4 obj-$(CONFIG_AL_FIC) += irq-al-fic.o
5 obj-$(CONFIG_ALPINE_MSI) += irq-alpine-msi.o
6 obj-$(CONFIG_ATH79) += irq-ath79-cpu.o
7 obj-$(CONFIG_ATH79) += irq-ath79-misc.o
8 obj-$(CONFIG_ARCH_BCM2835) += irq-bcm2835.o
9 obj-$(CONFIG_ARCH_BCM2835) += irq-bcm2836.o
10 obj-$(CONFIG_ARCH_ACTIONS) += irq-owl-sirq.o
11 obj-$(CONFIG_DAVINCI_CP_INTC) += irq-davinci-cp-intc.o
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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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