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/openbmc/linux/Documentation/devicetree/bindings/i2c/
H A Di2c-gpio.yaml1 # 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
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H A Dsamsung,s3c2410-i2c.yaml1 # 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
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/openbmc/linux/drivers/i2c/busses/
H A Di2c-gpio.c1 // SPDX-License-Identifier: GPL-2.0-only
11 #include <linux/i2c-algo-bit.h>
16 #include <linux/platform_data/i2c-gpio.h>
22 struct gpio_desc *sda; member
36 * Toggle SDA by changing the output value of the pin. This is only
38 * high effectively turns off the output driver.)
44 gpiod_set_value_cansleep(priv->sda, state); in i2c_gpio_setsda_val()
48 * Toggle SCL by changing the output value of the pin. This is used
49 * for pins that are configured as open drain and for output-only
57 gpiod_set_value_cansleep(priv->scl, state); in i2c_gpio_setscl_val()
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H A Di2c-acorn.c1 // SPDX-License-Identifier: GPL-2.0-only
8 * - PCF8583 real time clock & static RAM
12 #include <linux/i2c-algo-bit.h>
20 #define SDA 0x01 macro
23 * We must preserve all non-i2c output bits in IOC_CONTROL.
25 * SDA outputs as well (which may be different from the
32 u_int ioc_control = ioc_readb(IOC_CONTROL) & ~(SCL | SDA); in ioc_setscl()
47 u_int ioc_control = ioc_readb(IOC_CONTROL) & ~(SCL | SDA); in ioc_setsda()
51 ones |= SDA; in ioc_setsda()
53 ones &= ~SDA; in ioc_setsda()
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H A Di2c-omap.c1 // SPDX-License-Identifier: GPL-2.0-or-later
7 * Copyright (C) 2004 - 2007 Texas Instruments.
30 #include <linux/platform_data/i2c-omap.h>
72 /* only on OMAP4430 */
133 #define OMAP_I2C_CON_TRX (1 << 9) /* TX/RX mode (master only) */
135 #define OMAP_I2C_CON_RM (1 << 2) /* Repeat mode (master only) */
136 #define OMAP_I2C_CON_STP (1 << 1) /* Stop cond (master only) */
150 #define OMAP_I2C_SYSTEST_SCL_O_FUNC (1 << 7) /* SCL line output value */
151 #define OMAP_I2C_SYSTEST_SDA_I_FUNC (1 << 6) /* SDA line input value */
152 #define OMAP_I2C_SYSTEST_SDA_O_FUNC (1 << 5) /* SDA line output value */
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/openbmc/linux/include/linux/platform_data/
H A Di2c-gpio.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * i2c-gpio interface to platform code
11 * struct i2c_gpio_platform_data - Platform-dependent data for i2c-gpio
15 * @sda_is_open_drain: SDA is configured as open drain, i.e. the pin
16 * isn't actively driven high when setting the output value high.
18 * pin is configured as an output.
19 * @sda_is_output_only: SDA output drivers can't be turned off.
20 * This is for clients that can only read SDA/SCL.
21 * @sda_has_no_pullup: SDA is used in a non-compliant way and has no pull-up.
22 * Therefore disable open-drain.
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/openbmc/linux/drivers/staging/sm750fb/
H A Dddk750_swi2c.c1 // SPDX-License-Identifier: GPL-2.0
5 * swi2c.c --- SM750/SM718 DDK
19 * a point in time where the SCL or SDA may be changed.
22 * +-------------+-------------+-------------+-------------+
28 * I.e. the SCL may only be changed in section 1. and section 3. while
29 * the SDA may only be changed in section 2. and section 4. The table
37 * ---------------+---+---+---+---+
38 * Tx Start SDA | | H | | L |
40 * ---------------+---+---+---+---+
41 * Tx Stop SDA | | L | | H |
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/openbmc/linux/Documentation/devicetree/bindings/pinctrl/
H A Dcirrus,lochnagar.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - patches@opensource.cirrus.com
15 Logic devices on mini-cards, as well as allowing connection of various
26 [2] Pinctrl: ../pinctrl/pinctrl-bindings.txt
29 [3] include/dt-bindings/pinctrl/lochnagar.h
37 - cirrus,lochnagar-pinctrl
39 gpio-controller: true
41 '#gpio-cells':
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H A Drenesas,rza1-ports.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/pinctrl/renesas,rza1-ports.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jacopo Mondi <jacopo+renesas@jmondi.org>
11 - Geert Uytterhoeven <geert+renesas@glider.be>
16 Pin multiplexing and GPIO configuration is performed on a per-pin basis
17 writing configuration values to per-port register sets.
25 - const: renesas,r7s72100-ports # RZ/A1H
26 - items:
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/openbmc/linux/drivers/media/usb/cx231xx/
H A Dcx231xx-avcore.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 cx231xx_avcore.c - driver for Conexant Cx23100/101/102
24 #include <media/v4l2-common.h>
25 #include <media/v4l2-ioctl.h>
27 #include "cx231xx-dif.h"
31 -: BLOCK ARRANGEMENT :-
32 I2S block ----------------------|
35 Analog Front End --> Direct IF -|-> Cx25840 --> Audio
38 |-> Cx25840 --> Video
73 dev_dbg(dev->dev, "verve_read_byte address0x07=0x%x\n", val); in initGPIO()
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/openbmc/qemu/tests/qemu-iotests/
H A D307.out5 {"execute": "nbd-server-start", "arguments": {"addr": {"data": {"path": "SOCK_DIR/PID-socket"}, "ty…
7 {"execute": "query-block-exports", "arguments": {}}
10 === Create a read-only NBD export ===
11 {"execute": "block-export-add", "arguments": {"id": "export0", "node-name": "fmt", "type": "nbd"}}
13 {"execute": "query-block-exports", "arguments": {}}
14 {"return": [{"id": "export0", "node-name": "fmt", "shutting-down": false, "type": "nbd"}]}
18 flags: 0x158f ( readonly flush fua df multi cache block-status-payload )
22 transaction size: 64-bit
28 {"execute": "block-export-add", "arguments": {"id": "#invalid", "node-name": "fmt", "type": "nbd"}}
30 {"execute": "block-export-add", "arguments": {"id": "export0", "node-name": "fmt", "type": "nbd"}}
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/openbmc/u-boot/drivers/i2c/
H A Domap24xx_i2c.h1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * (C) Copyright 2004-2010
52 #define I2C_CON_STB (1 << 11) /* Start byte mode (master mode only) */
55 /* (master mode only) */
57 #define I2C_CON_STP (1 << 1) /* Stop condition (master mode only) */
58 #define I2C_CON_STT (1 << 0) /* Start condition (master mode only) */
67 #define I2C_SYSTEST_SCL_O (1 << 2) /* SCL line drive output value */
68 #define I2C_SYSTEST_SDA_I (1 << 1) /* SDA line sense input value */
69 #define I2C_SYSTEST_SDA_O (1 << 0) /* SDA line drive output value */
112 * thigh = sclh + sclh_trim = (sampling clock * (1 - tlow_duty)) / speed
/openbmc/u-boot/arch/arm/dts/
H A Dexynos5250-spring.dts1 // SPDX-License-Identifier: GPL-2.0
9 /dts-v1/;
10 #include <dt-bindings/gpio/gpio.h>
11 #include <dt-bindings/interrupt-controller/irq.h>
12 #include <dt-bindings/input/input.h>
48 samsung,bl1-offset = <0x1400>;
49 samsung,bl2-offset = <0x3400>;
50 u-boot-memory = "/memory";
51 u-boot-offset = <0x3e00000 0x100000>;
56 #address-cells = <1>;
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H A Darmada-388-clearfog.dts11 * This file is dual-licensed: you can use it either under the terms
13 * licensing only applies to this file, and not this project as a
49 /dts-v1/;
50 #include <dt-bindings/input/input.h>
51 #include <dt-bindings/gpio/gpio.h>
52 #include "armada-388.dtsi"
53 #include "armada-38x-solidrun-microsom.dtsi"
57 compatible = "solidrun,clearfog-a1", "marvell,armada388",
61 /* So that mvebu u-boot can update the MAC addresses */
71 stdout-path = "serial0:115200n8";
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/openbmc/linux/arch/arm/boot/dts/nxp/imx/
H A Dimx6q-bx50v3.dtsi5 * This file is dual-licensed: you can use it either under the terms
7 * licensing only applies to this file, and not this project as a
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";
58 reg_wl18xx_vmmc: regulator-wl18xx {
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H A Dimx6q-prtwd2.dts1 // SPDX-License-Identifier: GPL-2.0-or-later
6 /dts-v1/;
8 #include "imx6qdl-prti6q.dtsi"
9 #include <dt-bindings/leds/common.h>
25 clk50m_phy: phy-clock {
26 compatible = "fixed-clock";
27 #clock-cells = <0>;
28 clock-frequency = <50000000>;
29 clock-output-names = "enet_ref_pad";
33 compatible = "mmc-pwrseq-simple";
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/openbmc/linux/drivers/hwmon/
H A Dmax31760.c1 // SPDX-License-Identifier: GPL-2.0-only
7 #include <linux/hwmon-sysfs.h>
34 #define TEMP11_TO_REG(val) (DIV_ROUND_CLOSEST(clamp_val((val), -128000, \
46 struct sensor_device_attribute sda; member
91 ret = regmap_read(state->regmap, REG_STATUS, &regval); in max31760_read()
99 ret = regmap_read(state->regmap, REG_STATUS, &regval); in max31760_read()
110 ret = regmap_read(state->regmap, REG_STATUS, &regval); in max31760_read()
130 return -EOPNOTSUPP; in max31760_read()
133 ret = regmap_bulk_read(state->regmap, reg_temp, reg, 2); in max31760_read()
145 ret = regmap_bulk_read(state->regmap, REG_TACH(channel), reg, 2); in max31760_read()
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/openbmc/linux/arch/arm/mach-sa1100/
H A Dassabet.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * linux/arch/arm/mach-sa1100/assabet.c
7 * This file contains all Assabet-specific tweaks.
14 #include <linux/gpio/gpio-reg.h>
18 #include <linux/platform_data/sa11x0-serial.h>
34 #include <asm/mach-types.h>
37 #include <asm/pgtable-hwdef.h>
44 #include <linux/platform_data/mfd-mcp-sa11x0.h>
83 assabet_bcr_gc->set_multiple(assabet_bcr_gc, &m, &v); in ASSABET_BCR_frob()
93 gc = gpio_reg_init(NULL, reg, -1, 32, "assabet", 0xff000000, def_val, in assabet_init_gpio()
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/openbmc/linux/arch/arm/boot/dts/st/
H A Dste-nomadik-s8815.dts1 // SPDX-License-Identifier: GPL-2.0
3 * Device Tree for the ST-Ericsson Nomadik S8815 board
7 /dts-v1/;
8 #include <dt-bindings/interrupt-controller/irq.h>
9 #include "ste-nomadik-stn8815.dtsi"
12 model = "Calao Systems USB-S8815";
13 compatible = "calaosystems,usb-s8815";
26 mmcsd-gpio {
27 gpio-hog;
29 output-low;
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/openbmc/linux/arch/arm/include/asm/hardware/
H A Dlocomo.h51 #define LOCOMO_DAC_SCLOEB 0x08 /* SCL pin output data */
53 #define LOCOMO_DAC_SDA 0x02 /* SDA pin level (read-only) */
54 #define LOCOMO_DAC_SDAOEB 0x01 /* SDA pin output data */
184 #define locomo_get_drvdata(d) dev_get_drvdata(&(d)->dev)
185 #define locomo_set_drvdata(d,p) dev_set_drvdata(&(d)->dev, p)
196 #define LOCOMO_DRIVER_NAME(_ldev) ((_ldev)->dev.driver->name)
216 int irq_base; /* IRQ base for cascaded on-chip IRQs */
/openbmc/linux/sound/pci/ice1712/
H A Dews.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
38 #define ICE1712_EWX2496_AOUT_SEL 0x04 /* output sensitivity switch; high = louder */
46 /* RW, SDA snd SCLK are identical with EWX24/96 */
47 #define ICE1712_EWS88_CS8414_RATE 0x07 /* CS8414 sample rate: gpio 0-2 */
51 #define ICE1712_EWS88_TX2 0x40 /* MIDI2 (only on 88D) */
52 #define ICE1712_EWS88_RX2 0x80 /* MIDI2 (only on 88D) */
62 #define ICE1712_6FIRE_AK4524_CS_MASK 0x07 /* AK4524 chip select #1-#3 */
/openbmc/openbmc/poky/meta/lib/oeqa/selftest/cases/
H A Dwic.py4 # SPDX-License-Identifier: GPL-2.0-only
30 extract file names from the output of debugfs -R 'ls -p',
61 self.resultdir = os.path.join(self.builddir, "wic-tmp")
69 self.skipTest('wic-tools needs USE_NLS=yes')
71 bitbake('wic-tools core-image-minimal core-image-minimal-mtdutils')
83 bitbake('%s -c do_rootfs_wicenv' % image)
91 """Test wic --version"""
92 runCmd('wic --version')
95 """Test wic --help and wic -h"""
96 runCmd('wic --help')
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/openbmc/linux/arch/arm/boot/dts/broadcom/
H A Dbcm2711.dtsi1 // SPDX-License-Identifier: GPL-2.0
4 #include <dt-bindings/interrupt-controller/arm-gic.h>
5 #include <dt-bindings/soc/bcm2835-pm.h>
10 #address-cells = <2>;
11 #size-cells = <1>;
13 interrupt-parent = <&gicv2>;
16 compatible = "brcm,bcm2711-vc5";
20 clk_27MHz: clk-27M {
21 #clock-cells = <0>;
22 compatible = "fixed-clock";
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/openbmc/linux/drivers/net/can/sja1000/
H A Dpeak_pci.c1 // SPDX-License-Identifier: GPL-2.0-only
4 * Copyright (C) 2012 Stephane Grosjean <s.grosjean@peak-system.com>
8 * Copyright (C) 2001-2006 PEAK System-Technik GmbH
19 #include <linux/i2c-algo-bit.h>
25 MODULE_AUTHOR("Stephane Grosjean <s.grosjean@peak-system.com>");
26 MODULE_DESCRIPTION("Socket-CAN driver for PEAK PCAN PCI family cards");
40 struct peak_pciec_card *pciec_card; /* only for PCIeC LEDs */
62 #define PEAK_PC_104P_DEVICE_ID 0x0006 /* PCAN-PC/104+ cards */
63 #define PEAK_PCI_104E_DEVICE_ID 0x0007 /* PCAN-PCI/104 Express cards */
65 #define PEAK_PCIE_OEM_ID 0x0009 /* PCAN-PCI Express OEM */
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/openbmc/linux/arch/arm64/boot/dts/renesas/
H A Drzg2l-smarc-pinfunction.dtsi1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
8 #include <dt-bindings/gpio/gpio.h>
9 #include <dt-bindings/pinctrl/rzg2l-pinctrl.h>
12 pinctrl-0 = <&sound_clk_pins>;
13 pinctrl-names = "default";
20 /* SW7 should be at position 2->3 so that GPIO8_CAN0_STB line is activated */
21 can0-stb-hog {
22 gpio-hog;
24 output-low;
25 line-name = "can0_stb";
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