/openbmc/u-boot/drivers/i2c/ |
H A D | i2c-gpio.c | 5 * This file is based on: drivers/i2c/soft-i2c.c, 6 * with added driver-model support and code cleanup. 29 * udelay - delay [us] between GPIO toggle operations, 33 /* sda, scl */ 34 struct gpio_desc gpios[PIN_COUNT]; member 37 static int i2c_gpio_sda_get(struct gpio_desc *sda) in i2c_gpio_sda_get() argument 39 return dm_gpio_get_value(sda); in i2c_gpio_sda_get() 42 static void i2c_gpio_sda_set(struct gpio_desc *sda, int bit) in i2c_gpio_sda_set() argument 45 dm_gpio_set_dir_flags(sda, GPIOD_IS_IN); in i2c_gpio_sda_set() 47 dm_gpio_set_dir_flags(sda, GPIOD_IS_OUT); in i2c_gpio_sda_set() [all …]
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/openbmc/linux/Documentation/devicetree/bindings/i2c/ |
H A D | i2c-gpio.yaml | 1 # SPDX-License-Identifier: GPL-2.0 3 --- 4 $id: http://devicetree.org/schemas/i2c/i2c-gpio.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 10 - Wolfram Sang <wsa@kernel.org> 13 - $ref: /schemas/i2c/i2c-controller.yaml# 18 - const: i2c-gpio 20 sda-gpios: 22 gpio used for the sda signal, this should be flagged as 24 from <dt-bindings/gpio/gpio.h> since the signal is by definition [all …]
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H A D | atmel,at91sam-i2c.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 4 --- 5 $id: http://devicetree.org/schemas/i2c/atmel,at91sam-i2c.yaml# 6 $schema: http://devicetree.org/meta-schemas/core.yaml# 11 - Alexandre Belloni <alexandre.belloni@bootlin.com> 16 - items: 17 - enum: 18 - atmel,at91rm9200-i2c 19 - atmel,at91sam9261-i2c 20 - atmel,at91sam9260-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# 10 - Krzysztof Kozlowski <krzk@kernel.org> 15 - samsung,s3c2410-i2c 16 - samsung,s3c2440-i2c 17 # For s3c2440-like I2C used inside HDMIPHY block found on several SoCs: 18 - samsung,s3c2440-hdmiphy-i2c 19 # For s3c2440-like I2C used as a host to SATA PHY controller on an [all …]
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H A D | i2c.txt | 8 ----------------------------- 10 - #address-cells - should be <1>. Read more about addresses below. 11 - #size-cells - should be <0>. 12 - compatible - name of I2C bus controller 21 ----------------------------- 26 - clock-frequency 29 - i2c-bus 31 devices and non-I2C devices, the 'i2c-bus' subnode can be used for 32 populating I2C devices. If the 'i2c-bus' subnode is present, only 34 '#address-cells' and '#size-cells' must be defined under this subnode [all …]
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/openbmc/linux/arch/arc/boot/dts/ |
H A D | abilis_tb101_dvk.dts | 1 // SPDX-License-Identifier: GPL-2.0-only 10 /dts-v1/; 29 pinctrl-names = "default"; 30 pinctrl-0 = <&pctl_uart0>; 33 phy-mode = "rgmii"; 37 i2c-sda-hold-time-ns = <432>; 40 i2c-sda-hold-time-ns = <432>; 43 i2c-sda-hold-time-ns = <432>; 46 i2c-sda-hold-time-ns = <432>; 49 i2c-sda-hold-time-ns = <432>; [all …]
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H A D | abilis_tb100_dvk.dts | 1 // SPDX-License-Identifier: GPL-2.0-only 10 /dts-v1/; 29 pinctrl-names = "default"; 30 pinctrl-0 = <&pctl_uart0>; 33 phy-mode = "rgmii"; 37 i2c-sda-hold-time-ns = <432>; 40 i2c-sda-hold-time-ns = <432>; 43 i2c-sda-hold-time-ns = <432>; 46 i2c-sda-hold-time-ns = <432>; 49 i2c-sda-hold-time-ns = <432>; [all …]
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/openbmc/linux/arch/arm/boot/dts/microchip/ |
H A D | lan966x-kontron-kswitch-d10-mmt-6g-2gs.dts | 1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT) 3 * Device Tree file for the Kontron KSwitch D10 MMT 6G-2GS 6 /dts-v1/; 7 #include "lan966x-kontron-kswitch-d10-mmt.dtsi" 10 model = "Kontron KSwitch D10 MMT 6G-2GS"; 11 compatible = "kontron,kswitch-d10-mmt-6g-2gs", "kontron,s1921", 21 i2c-bus = <&i2c4>; 22 los-gpios = <&sgpio_in 1 0 GPIO_ACTIVE_HIGH>; 23 mod-def0-gpios = <&sgpio_in 1 1 GPIO_ACTIVE_LOW>; 24 maximum-power-milliwatt = <2500>; [all …]
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H A D | at91-sama5d2_xplained.dts | 1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT) 3 * at91-sama5d2_xplained.dts - Device Tree file for SAMA5D2 Xplained board 8 /dts-v1/; 10 #include "sama5d2-pinfunc.h" 11 #include <dt-bindings/mfd/atmel-flexcom.h> 12 #include <dt-bindings/gpio/gpio.h> 13 #include <dt-bindings/input/input.h> 14 #include <dt-bindings/regulator/active-semi,8945a-regulator.h> 18 compatible = "atmel,sama5d2-xplained", "atmel,sama5d2", "atmel,sama5"; 28 stdout-path = "serial0:115200n8"; [all …]
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H A D | lan966x-pcb8309.dts | 1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT) 3 * lan966x_pcb8309.dts - Device Tree file for PCB8309 5 /dts-v1/; 7 #include "dt-bindings/phy/phy-lan966x-serdes.h" 10 model = "Microchip EVB - LAN9662"; 11 compatible = "microchip,lan9662-pcb8309", "microchip,lan9662", "microchip,lan966"; 20 stdout-path = "serial0:115200n8"; 23 gpio-restart { 24 compatible = "gpio-restart"; 25 gpios = <&gpio 56 GPIO_ACTIVE_LOW>; [all …]
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H A D | at91-sama5d2_ptc_ek.dts | 1 // SPDX-License-Identifier: (GPL-2.0+ OR X11) 3 * at91-sama5d2_ptc_ek.dts - Device Tree file for SAMA5D2 PTC EK board 9 /dts-v1/; 11 #include "sama5d2-pinfunc.h" 12 #include <dt-bindings/mfd/atmel-flexcom.h> 13 #include <dt-bindings/gpio/gpio.h> 14 #include <dt-bindings/input/input.h> 15 #include <dt-bindings/pinctrl/at91.h> 19 compatible = "atmel,sama5d2-ptc_ek", "atmel,sama5d2", "atmel,sama5"; 29 stdout-path = "serial0:115200n8"; [all …]
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/openbmc/linux/arch/arm/boot/dts/samsung/ |
H A D | s5pv210-aries.dtsi | 1 // SPDX-License-Identifier: GPL-2.0 6 /dts-v1/; 7 #include <dt-bindings/gpio/gpio.h> 8 #include <dt-bindings/interrupt-controller/irq.h> 32 reserved-memory { 33 #address-cells = <1>; 34 #size-cells = <1>; 38 compatible = "shared-dma-pool"; 39 no-map; 44 compatible = "shared-dma-pool"; [all …]
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H A D | exynos5250-snow-common.dtsi | 1 // SPDX-License-Identifier: GPL-2.0 8 #include <dt-bindings/gpio/gpio.h> 9 #include <dt-bindings/clock/maxim,max77686.h> 10 #include <dt-bindings/interrupt-controller/irq.h> 11 #include <dt-bindings/input/input.h> 12 #include <dt-bindings/sound/samsung-i2s.h> 30 stdout-path = "serial3:115200n8"; 33 gpio-keys { 34 compatible = "gpio-keys"; 35 pinctrl-names = "default"; [all …]
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H A D | exynos5250-spring.dts | 1 // SPDX-License-Identifier: GPL-2.0 9 /dts-v1/; 10 #include <dt-bindings/clock/samsung,s2mps11.h> 11 #include <dt-bindings/gpio/gpio.h> 12 #include <dt-bindings/interrupt-controller/irq.h> 13 #include <dt-bindings/input/input.h> 19 chassis-type = "laptop"; 33 stdout-path = "serial3:115200n8"; 36 gpio-keys { 37 compatible = "gpio-keys"; [all …]
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/openbmc/u-boot/arch/arm/dts/ |
H A D | imx7-colibri.dtsi | 1 // SPDX-License-Identifier: GPL-2.0+ OR X11 3 * Copyright 2016-2019 Toradex AG 6 /dts-v1/; 7 #include <dt-bindings/gpio/gpio.h> 11 pinctrl-names = "default", "gpio"; 12 pinctrl-0 = <&pinctrl_i2c1>; 13 pinctrl-1 = <&pinctrl_i2c1_gpio>; 14 sda-gpios = <&gpio1 5 GPIO_ACTIVE_LOW>; 15 scl-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>; 25 pinctrl-names = "default", "gpio"; [all …]
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H A D | imx53-kp.dts | 5 * SPDX-License-Identifier: GPL-2.0+ or X11 8 /dts-v1/; 9 #include <dt-bindings/gpio/gpio.h> 11 #include "imx53-pinfunc.h" 15 compatible = "kp,imx53-kp", "fsl,imx53"; 18 stdout-path = &uart2; 23 pinctrl-names = "default"; 24 pinctrl-0 = <&pinctrl_eth>; 25 phy-mode = "rmii"; 26 phy-reset-gpios = <&gpio7 6 GPIO_ACTIVE_LOW>; [all …]
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H A D | r8a7791-koelsch.dts | 1 // SPDX-License-Identifier: GPL-2.0 6 * Copyright (C) 2013-2014 Renesas Solutions Corp. 11 * SSI-AK4643 38 /dts-v1/; 40 #include <dt-bindings/gpio/gpio.h> 41 #include <dt-bindings/input/input.h> 60 stdout-path = "serial0:115200n8"; 74 #address-cells = <1>; 75 #size-cells = <1>; 79 compatible = "gpio-keys"; [all …]
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/openbmc/linux/arch/arm64/boot/dts/qcom/ |
H A D | msm8939-samsung-a7.dts | 1 // SPDX-License-Identifier: GPL-2.0-only 3 /dts-v1/; 5 #include "msm8939-pm8916.dtsi" 7 #include <dt-bindings/gpio/gpio.h> 8 #include <dt-bindings/input/input.h> 9 #include <dt-bindings/interrupt-controller/irq.h> 14 chassis-type = "handset"; 23 stdout-path = "serial0"; 26 reserved-memory { 28 tz-apps@85500000 { [all …]
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H A D | msm8916-samsung-a2015-common.dtsi | 1 // SPDX-License-Identifier: GPL-2.0-only 3 #include "msm8916-pm8916.dtsi" 4 #include <dt-bindings/gpio/gpio.h> 5 #include <dt-bindings/input/input.h> 6 #include <dt-bindings/interrupt-controller/irq.h> 7 #include <dt-bindings/pinctrl/qcom,pmic-gpio.h> 17 stdout-path = "serial0"; 20 reserved-memory { 22 tz-apps@85500000 { 24 no-map; [all …]
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/openbmc/u-boot/doc/device-tree-bindings/i2c/ |
H A D | i2c-gpio.txt | 5 - drivers/i2c/i2c-gpio.c 7 Software i2c device-tree node properties: 9 * #address-cells = <1>; 10 * #size-cells = <0>; 11 * compatible = "i2c-gpio"; 12 * gpios = <sda ...>, <scl ...>; 15 * i2c-gpio,delay-us = <5>; 17 between gpio-toggle operations. Speed [Hz] = 1000000 / 4 * udelay[us], 22 i2c-gpio@1 { 23 #address-cells = <1>; [all …]
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H A D | i2c.txt | 1 U-Boot I2C 2 ---------- 4 U-Boot's I2C model has the concept of an offset within a chip (I2C target 9 Apart from the controller-specific I2C bindings, U-Boot supports a special 13 - u-boot,i2c-offset-len - length of chip offset in bytes. If omitted the 15 - gpios = <sda ...>, <scl ...>; 16 pinctrl-names = "default", "gpio"; 17 pinctrl-0 = <&i2c_xfer>; 18 pinctrl-1 = <&i2c_gpio>; 23 ------- [all …]
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/openbmc/linux/arch/arm/boot/dts/renesas/ |
H A D | r8a7791-koelsch.dts | 1 // SPDX-License-Identifier: GPL-2.0 6 * Copyright (C) 2013-2014 Renesas Solutions Corp. 11 * SSI-AK4643 38 /dts-v1/; 40 #include <dt-bindings/gpio/gpio.h> 41 #include <dt-bindings/input/input.h> 63 stdout-path = "serial0:115200n8"; 77 #address-cells = <1>; 78 #size-cells = <1>; 82 compatible = "gpio-keys"; [all …]
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/openbmc/linux/arch/arm/boot/dts/nxp/imx/ |
H A D | imx6q-bx50v3.dtsi | 5 * This file is dual-licensed: you can use it either under the terms 43 #include "imx6q-ba16.dtsi" 46 mclk: clock-mclk { 47 compatible = "fixed-clock"; 48 #clock-cells = <0>; 49 clock-frequency = <22000000>; 52 gpio-poweroff { 53 compatible = "gpio-poweroff"; 54 gpios = <&gpio4 11 GPIO_ACTIVE_LOW>; 58 reg_wl18xx_vmmc: regulator-wl18xx { [all …]
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H A D | imx6qdl-kontron-samx6i.dtsi | 1 // SPDX-License-Identifier: GPL-2.0 OR X11 10 #include <dt-bindings/gpio/gpio.h> 11 #include <dt-bindings/sound/fsl-imx-audmux.h> 14 reg_1p0v_s0: regulator-1p0v-s0 { 15 compatible = "regulator-fixed"; 16 regulator-name = "V_1V0_S0"; 17 regulator-min-microvolt = <1000000>; 18 regulator-max-microvolt = <1000000>; 19 regulator-always-on; 20 regulator-boot-on; [all …]
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/openbmc/linux/arch/arm/boot/dts/st/ |
H A D | stihxxx-b2120.dtsi | 1 // SPDX-License-Identifier: GPL-2.0-only 6 #include <dt-bindings/clock/stih407-clks.h> 7 #include <dt-bindings/gpio/gpio.h> 8 #include <dt-bindings/media/c8sectpfe.h> 11 compatible = "gpio-leds"; 12 led-red { 14 gpios = <&pio4 1 GPIO_ACTIVE_HIGH>; 15 linux,default-trigger = "heartbeat"; 17 led-green { 18 gpios = <&pio1 3 GPIO_ACTIVE_HIGH>; [all …]
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