/linux/drivers/i2c/busses/ |
H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only 6 menu "I2C Hardware Bus support" 9 comment "PC SMBus host controller drivers" 16 for Cypress CCGx Type-C controller. Individual bus drivers 24 Host controller on Acer Labs Inc. (ALI) M1535 South Bridges. The SMB 25 controller is part of the 7101 device, which is an ACPI-compliant 29 will be called i2c-ali1535. 36 Host controller on Acer Labs Inc. (ALI) M1563 South Bridges. The SMB 37 controller is part of the 7101 device, which is an ACPI-compliant 41 will be called i2c-ali1563. [all …]
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/linux/Documentation/devicetree/bindings/i2c/ |
H A D | nvidia,tegra20-i2c.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 3 --- 4 $id: http://devicetree.org/schemas/i2c/nvidia,tegra20-i2c.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 8 - Thierry Reding <thierry.reding@gmail.com> 9 - Jon Hunter <jonathanh@nvidia.com> 11 title: NVIDIA Tegra I2C controller driver 16 - description: Tegra20 has 4 generic I2C controller. This can support 17 master and slave mode of I2C communication. The i2c-tegra driver 18 only support master mode of I2C communication. Driver of I2C [all …]
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H A D | snps,designware-i2c.yaml | 1 # 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 [all …]
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H A D | i2c-pxa-pci-ce4100.txt | 1 CE4100 I2C 2 ---------- 4 CE4100 has one PCI device which is described as the I2C-Controller. This 5 PCI device has three PCI-bars, each bar contains a complete I2C 6 controller. So we have a total of three independent I2C-Controllers 8 The driver is probed via the PCI-ID and is gathering the information of 10 Grant Likely recommended to use the ranges property to map the PCI-Bar 12 of the specific I2C controller. This were his exact words: 22 non-zero if you had 2 or more devices mapped off 30 ------------------------------------------------ [all …]
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H A D | st,nomadik-i2c.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 3 --- 4 $id: http://devicetree.org/schemas/i2c/st,nomadik-i2c.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 7 title: ST Microelectronics Nomadik I2C 9 description: The Nomadik I2C host controller began its life in the ST 11 STn8815. It was part of the prototype STn8500 which then became ST-Ericsson 15 - Linus Walleij <linus.walleij@linaro.org> 23 - st,nomadik-i2c 24 - mobileye,eyeq5-i2c [all …]
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H A D | opencores,i2c-ocores.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 3 --- 4 $id: http://devicetree.org/schemas/i2c/opencores,i2c-ocores.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 7 title: OpenCores I2C controller 10 - Peter Korsgaard <peter@korsgaard.com> 11 - Andrew Lunn <andrew@lunn.ch> 14 - $ref: /schemas/i2c/i2c-controller.yaml# 19 - items: 20 - enum: [all …]
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H A D | i2c-demux-pinctrl.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 3 --- 4 $id: http://devicetree.org/schemas/i2c/i2c-demux-pinctrl.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 7 title: Pinctrl-based I2C Bus Demultiplexer 10 - Wolfram Sang <wsa+renesas@sang-engineering.com> 13 This binding describes an I2C bus demultiplexer that uses pin multiplexing to 14 route the I2C signals, and represents the pin multiplexing configuration 15 using the pinctrl device tree bindings. This may be used to select one I2C 17 another I2C IP core on the SoC. The most simple example is to fall back to [all …]
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H A D | i2c-pxa.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only 3 --- 4 $id: http://devicetree.org/schemas/i2c/i2c-pxa.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 7 title: Marvell MMP I2C controller 10 - Rob Herring <robh@kernel.org> 13 - $ref: /schemas/i2c/i2c-controller.yaml# 14 - if: 17 - mrvl,i2c-polling 20 - interrupts [all …]
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H A D | i2c-mt65xx.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 3 --- 4 $id: http://devicetree.org/schemas/i2c/i2c-mt65xx.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 7 title: MediaTek I2C controller 10 This driver interfaces with the native I2C controller present in 14 - $ref: /schemas/i2c/i2c-controller.yaml# 17 - Qii Wang <qii.wang@mediatek.com> 22 - const: mediatek,mt2712-i2c 23 - const: mediatek,mt6577-i2c [all …]
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H A D | i2c-owl.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 3 --- 4 $id: http://devicetree.org/schemas/i2c/i2c-owl.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 7 title: Actions Semi Owl I2C Controller 10 - Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> 13 This I2C controller is found in the Actions Semi Owl SoCs: 17 - $ref: /schemas/i2c/i2c-controller.yaml# 22 - actions,s500-i2c # Actions Semi S500 compatible SoCs 23 - actions,s700-i2c # Actions Semi S700 compatible SoCs [all …]
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H A D | brcm,iproc-i2c.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause 3 --- 4 $id: http://devicetree.org/schemas/i2c/brcm,iproc-i2c.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 7 title: Broadcom iProc I2C controller 10 - Rafał Miłecki <rafal@milecki.pl> 15 - brcm,iproc-i2c 16 - brcm,iproc-nic-i2c 21 clock-frequency: 26 Should contain the I2C interrupt. For certain revisions of the I2C [all …]
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H A D | i2c-rk3x.yaml | 1 # SPDX-License-Identifier: GPL-2.0 3 --- 4 $id: http://devicetree.org/schemas/i2c/i2c-rk3x.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 7 title: Rockchip RK3xxx I2C controller 10 This driver interfaces with the native I2C controller present in Rockchip 14 - $ref: /schemas/i2c/i2c-controller.yaml# 17 - Heiko Stuebner <heiko@sntech.de> 23 - const: rockchip,rv1108-i2c 24 - const: rockchip,rk3066-i2c [all …]
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H A D | ingenic,i2c.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 3 --- 4 $id: http://devicetree.org/schemas/i2c/ingenic,i2c.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 7 title: Ingenic SoCs I2C controller 10 - Paul Cercueil <paul@crapouillou.net> 13 - $ref: /schemas/i2c/i2c-controller.yaml# 17 pattern: "^i2c@[0-9a-f]+$" 21 - enum: 22 - ingenic,jz4770-i2c [all …]
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H A D | samsung,s3c2410-i2c.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 3 --- 4 $id: http://devicetree.org/schemas/i2c/samsung,s3c2410-i2c.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 7 title: Samsung S3C/S5P/Exynos SoC I2C Controller 10 - Krzysztof Kozlowski <krzk@kernel.org> 15 - enum: 16 - samsung,s3c2410-i2c 17 - samsung,s3c2440-i2c 18 # For s3c2440-like I2C used inside HDMIPHY block found on several SoCs: [all …]
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H A D | hisilicon,ascend910-i2c.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 3 --- 4 $id: http://devicetree.org/schemas/i2c/hisilicon,ascend910-i2c.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 7 title: HiSilicon common I2C controller 10 - Yicong Yang <yangyicong@hisilicon.com> 13 The HiSilicon common I2C controller can be used for many different 17 - $ref: /schemas/i2c/i2c-controller.yaml# 21 const: hisilicon,ascend910-i2c 32 clock-frequency: [all …]
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H A D | cdns,i2c-r1p10.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 3 --- 4 $id: http://devicetree.org/schemas/i2c/cdns,i2c-r1p10.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 7 title: Cadence I2C controller 10 - Michal Simek <michal.simek@amd.com> 13 - $ref: /schemas/i2c/i2c-controller.yaml# 18 - cdns,i2c-r1p10 # cadence i2c controller version 1.0 19 - cdns,i2c-r1p14 # cadence i2c controller version 1.4 33 clock-frequency: [all …]
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H A D | i2c-mux-gpmux.yaml | 1 # SPDX-License-Identifier: GPL-2.0 3 --- 4 $id: http://devicetree.org/schemas/i2c/i2c-mux-gpmux.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 7 title: General Purpose I2C Bus Mux 10 - Peter Rosin <peda@axentia.se> 13 This binding describes an I2C bus multiplexer that uses a mux controller 14 from the mux subsystem to route the I2C signals. 16 .-----. .-----. 18 .------------. '-----' '-----' [all …]
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/linux/Documentation/devicetree/bindings/net/ |
H A D | mctp-i2c-controller.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 3 --- 4 $id: http://devicetree.org/schemas/net/mctp-i2c-controller.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 7 title: MCTP I2C transport 10 - Matt Johnston <matt@codeconstruct.com.au> 13 An mctp-i2c-controller defines a local MCTP endpoint on an I2C controller. 14 MCTP I2C is specified by DMTF DSP0237. 16 An mctp-i2c-controller must be attached to an I2C adapter which supports 17 slave functionality. I2C busses (either directly or as subordinate mux [all …]
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/linux/Documentation/devicetree/bindings/ |
H A D | trivial-devices.yaml | 1 # SPDX-License-Identifier: GPL-2.0 3 --- 4 $id: http://devicetree.org/schemas/trivial-devices.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 7 title: Trivial I2C and SPI devices 10 - Rob Herring <robh@kernel.org> 13 This is a list of trivial I2C and SPI devices that have simple device tree 27 spi-max-frequency: true 32 - enum: 34 - acbel,fsg032 [all …]
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/linux/drivers/clk/qcom/ |
H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only 23 tristate "X1E80100 Camera Clock Controller" 27 Support for the camera clock controller on X1E80100 devices. 31 tristate "X1E80100 Display Clock Controller" 41 tristate "X1E80100 Global Clock Controller" 45 Support for the global clock controller on Qualcomm Technologies, Inc 47 Say Y if you want to use peripheral devices such as UART, SPI, I2C, 51 tristate "X1E80100 Graphics Clock Controller" 55 Support for the graphics clock controller on X1E80100 devices. 56 Say Y if you want to support graphics controller devices and [all …]
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/linux/Documentation/i2c/ |
H A D | summary.rst | 2 Introduction to I2C and SMBus 5 I²C (pronounce: I squared C and written I2C in the kernel documentation) is 6 a protocol developed by Philips. It is a two-wire protocol with variable 9 low bandwidth communications needs. I2C is widely used with embedded 11 and so are not advertised as being I2C but come under different names, 14 The latest official I2C specification is the `"I²C-bus specification and user 15 manual" (UM10204) <https://www.nxp.com/docs/en/user-guide/UM10204.pdf>`_ 18 SMBus (System Management Bus) is based on the I2C protocol, and is mostly 19 a subset of I2C protocols and signaling. Many I2C devices will work on an 21 achieve I2C branding. Modern PC mainboards rely on SMBus. The most common [all …]
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/linux/drivers/input/touchscreen/ |
H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only 20 support for the built-in touchscreen. 25 module will be called 88pm860x-ts. 33 ADS7846/TSC2046/AD7873 or ADS7843/AD7843 controller, 34 and your board-specific setup code includes that in its 51 AD7877 controller, and your board-specific initialization 60 tristate "Analog Devices AD7879-1/AD7889-1 touchscreen interface" 63 the AD7879-1/AD7889-1 controller. 71 tristate "support I2C bus connection" 72 depends on TOUCHSCREEN_AD7879 && I2C [all …]
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/linux/drivers/mfd/ |
H A D | Kconfig | 1 # 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 [all …]
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/linux/arch/arm64/boot/dts/exynos/ |
H A D | exynosautov920-pinctrl.dtsi | 1 // SPDX-License-Identifier: GPL-2.0 3 * Samsung's ExynosAutov920 SoC pin-mux and pin-config device tree source 7 * Samsung's ExynosAutov920 SoC pin-mux and pin-config options are listed as 11 #include <dt-bindings/interrupt-controller/arm-gic.h> 13 #include "exynos-pinctrl.h" 16 gpa0: gpa0-gpio-bank { 17 gpio-controller; 18 #gpio-cells = <2>; 19 interrupt-controller; 20 #interrupt-cells = <2>; [all …]
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/linux/include/linux/i3c/ |
H A D | master.h | 1 /* SPDX-License-Identifier: GPL-2.0 */ 14 #include <linux/i2c.h> 39 * struct i3c_i2c_dev_desc - Common part of the I3C/I2C device descriptor 40 * @node: node element used to insert the slot into the I2C or I3C device 43 * I2C/I3C transfers 47 * This structure is describing common I3C/I2C dev information. 62 * struct i2c_dev_boardinfo - I2 361 unsigned long i2c; global() member 365 struct list_head i2c; global() member 515 struct i2c_adapter i2c; global() member 522 struct list_head i2c; global() member [all...] |