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/Linux-v5.10/Documentation/devicetree/bindings/i2c/
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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Di2c-rk3x.yaml1 # 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
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Di2c.txt1 Generic device tree bindings for I2C busses
4 This document describes generic bindings which can be used to describe I2C
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
17 The cells properties above define that an address of children of an I2C bus
21 -----------------------------
26 - clock-frequency
29 - i2c-bus
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/Linux-v5.10/drivers/mfd/
Dintel-lpss-acpi.c1 // SPDX-License-Identifier: GPL-2.0-only
19 #include "intel-lpss.h"
26 PROPERTY_ENTRY_U32("i2c-sda-hold-time-ns", 230),
36 PROPERTY_ENTRY_U32("reg-io-width", 4),
37 PROPERTY_ENTRY_U32("reg-shift", 2),
38 PROPERTY_ENTRY_BOOL("snps,uart-16550-compatible"),
53 PROPERTY_ENTRY_U32("i2c-sda-hold-time-ns", 42),
54 PROPERTY_ENTRY_U32("i2c-sda-falling-time-ns", 171),
55 PROPERTY_ENTRY_U32("i2c-scl-falling-time-ns", 208),
65 PROPERTY_ENTRY_U32("i2c-sda-hold-time-ns", 207),
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Dintel-lpss-pci.c1 // SPDX-License-Identifier: GPL-2.0-only
18 #include "intel-lpss.h"
30 info = devm_kmemdup(&pdev->dev, (void *)id->driver_data, sizeof(*info), in intel_lpss_pci_probe()
33 return -ENOMEM; in intel_lpss_pci_probe()
35 info->mem = &pdev->resource[0]; in intel_lpss_pci_probe()
36 info->irq = pdev->irq; in intel_lpss_pci_probe()
38 pdev->d3cold_delay = 0; in intel_lpss_pci_probe()
44 ret = intel_lpss_probe(&pdev->dev, info); in intel_lpss_pci_probe()
48 pm_runtime_put(&pdev->dev); in intel_lpss_pci_probe()
49 pm_runtime_allow(&pdev->dev); in intel_lpss_pci_probe()
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/Linux-v5.10/arch/arm/boot/dts/
Dsocfpga_arria5_socdk.dts1 // SPDX-License-Identifier: GPL-2.0+
10 compatible = "altr,socfpga-arria5", "altr,socfpga";
14 stdout-path = "serial0:115200n8";
31 compatible = "gpio-leds";
53 regulator_3_3v: 3-3-v-regulator {
54 compatible = "regulator-fixed";
55 regulator-name = "3.3V";
56 regulator-min-microvolt = <3300000>;
57 regulator-max-microvolt = <3300000>;
63 phy-mode = "rgmii";
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Dsocfpga_cyclone5_socdk.dts1 // SPDX-License-Identifier: GPL-2.0+
10 compatible = "altr,socfpga-cyclone5-socdk", "altr,socfpga-cyclone5", "altr,socfpga";
14 stdout-path = "serial0:115200n8";
31 compatible = "gpio-leds";
53 regulator_3_3v: 3-3-v-regulator {
54 compatible = "regulator-fixed";
55 regulator-name = "3.3V";
56 regulator-min-microvolt = <3300000>;
57 regulator-max-microvolt = <3300000>;
67 phy-mode = "rgmii";
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Dsocfpga_arria10_socdk.dtsi1 // SPDX-License-Identifier: GPL-2.0+
9 compatible = "altr,socfpga-arria10", "altr,socfpga";
18 stdout-path = "serial0:115200n8";
28 compatible = "gpio-leds";
31 label = "a10sr-led0";
36 label = "a10sr-led1";
41 label = "a10sr-led2";
46 label = "a10sr-led3";
51 ref_033v: 033-v-ref {
52 compatible = "regulator-fixed";
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Dat91-sama5d2_xplained.dts1 // 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/regulator/active-semi,8945a-regulator.h>
17 compatible = "atmel,sama5d2-xplained", "atmel,sama5d2", "atmel,sama5";
27 stdout-path = "serial0:115200n8";
32 clock-frequency = <32768>;
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/Linux-v5.10/arch/arm64/boot/dts/altera/
Dsocfpga_stratix10_socdk.dts1 // SPDX-License-Identifier: GPL-2.0-only
19 stdout-path = "serial0:115200n8";
23 compatible = "gpio-leds";
46 ref_033v: 033-v-ref {
47 compatible = "regulator-fixed";
48 regulator-name = "0.33V";
49 regulator-min-microvolt = <330000>;
50 regulator-max-microvolt = <330000>;
56 clock-frequency = <25000000>;
61 sdmmca-ecc@ff8c8c00 {
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Dsocfpga_stratix10_socdk_nand.dts1 // SPDX-License-Identifier: GPL-2.0-only
19 stdout-path = "serial0:115200n8";
23 compatible = "gpio-leds";
46 ref_033v: 033-v-ref {
47 compatible = "regulator-fixed";
48 regulator-name = "0.33V";
49 regulator-min-microvolt = <330000>;
50 regulator-max-microvolt = <330000>;
56 clock-frequency = <25000000>;
61 sdmmca-ecc@ff8c8c00 {
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/Linux-v5.10/drivers/i2c/
Di2c-core-base.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Linux I2C core
5 * Copyright (C) 1995-99 Simon G. Vogl
10 * Copyright (C) 2013-2017 Wolfram Sang <wsa@kernel.org>
13 #define pr_fmt(fmt) "i2c-core: " fmt
15 #include <dt-bindings/i2c/i2c.h>
17 #include <linux/clk/clk-conf.h>
23 #include <linux/i2c.h>
24 #include <linux/i2c-smbus.h>
43 #include "i2c-core.h"
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/Linux-v5.10/arch/arm64/boot/dts/rockchip/
Drk3326-odroid-go2.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
7 /dts-v1/;
8 #include <dt-bindings/gpio/gpio.h>
9 #include <dt-bindings/input/input.h>
10 #include <dt-bindings/pinctrl/rockchip.h>
14 model = "ODROID-GO Advance";
15 compatible = "hardkernel,rk3326-odroid-go2", "rockchip,rk3326";
18 stdout-path = "serial2:115200n8";
22 compatible = "pwm-backlight";
23 power-supply = <&vcc_bl>;
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