| /kernel/linux/linux-6.6/Documentation/i2c/ |
| D | i2c-address-translators.rst | 1 .. SPDX-License-Identifier: GPL-2.0
4 I2C Address Translators
11 -----------
13 An I2C Address Translator (ATR) is a device with an I2C slave parent
14 ("upstream") port and N I2C master child ("downstream") ports, and
17 called the "alias" and is (potentially) different from the physical
21 An ATR looks similar to an i2c-mux except:
22 - the address on the parent and child busses can be different
23 - there is normally no need to select the child port; the alias used on the
27 The kernel i2c-atr provides a helper to implement an ATR within a driver.
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| /kernel/linux/linux-6.6/drivers/i2c/ |
| D | i2c-atr.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * I2C Address Translator
8 * Originally based on i2c-mux.c
12 #include <linux/i2c-atr.h>
13 #include <linux/i2c.h>
21 #define ATR_MAX_SYMLINK_LEN 11 /* Longest name is 10 chars: "channel-99" */
24 * struct i2c_atr_alias_pair - Holds the alias assigned to a client.
27 * @alias: I2C alias address assigned by the driver.
28 * This is the address that will be used to issue I2C transactions
34 u16 alias; member
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| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/i2c/ |
| D | i2c-atr.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/i2c/i2c-atr.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Common i2c address translator properties
10 - Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
13 An I2C Address Translator (ATR) is a device with an I2C slave parent
14 ("upstream") port and N I2C master child ("downstream") ports, and
17 called the "alias" and is (potentially) different from the physical
22 i2c-alias-pool:
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| 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
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| /kernel/linux/linux-6.6/include/linux/ |
| D | i2c-atr.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
3 * I2C Address Translator
8 * Based on i2c-mux.h
14 #include <linux/i2c.h>
22 * struct i2c_atr_ops - Callbacks from ATR to the device driver.
24 * bus, with the alias assigned to it. The driver must
25 * configure the hardware to use the alias.
28 * alias.
34 const struct i2c_client *client, u16 alias);
40 * i2c_atr_new() - Allocate and initialize an I2C ATR helper.
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| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/media/i2c/ |
| D | ti,ds90ub960.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/media/i2c/ti,ds90ub960.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Texas Instruments DS90UB9XX Family FPD-Link Deserializer Hubs
10 - Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
13 The TI DS90UB9XX devices are FPD-Link video deserializers with I2C and GPIO
17 - $ref: /schemas/i2c/i2c-atr.yaml#
22 - ti,ds90ub960-q1
23 - ti,ds90ub9702-q1
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| /kernel/linux/linux-5.10/drivers/clk/samsung/ |
| D | clk-s3c2412.c | 1 // SPDX-License-Identifier: GPL-2.0-only
8 #include <linux/clk-provider.h>
15 #include <dt-bindings/clock/s3c2412.h>
18 #include "clk-pll.h"
109 GATE(PCLK_I2C, "i2c", "pclk", CLKCON, 25, 0, 0),
118 GATE(PCLK_USBD, "usb-device", "pclk", CLKCON, 16, 0, 0),
127 GATE(HCLK_USBH, "usb-host", "hclk", CLKCON, 6, 0, 0),
137 ALIAS(PCLK_UART0, "s3c2412-uart.0", "uart"),
138 ALIAS(PCLK_UART1, "s3c2412-uart.1", "uart"),
139 ALIAS(PCLK_UART2, "s3c2412-uart.2", "uart"),
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| D | clk-s3c2443.c | 1 // SPDX-License-Identifier: GPL-2.0-only
8 #include <linux/clk-provider.h>
15 #include <dt-bindings/clock/s3c2443.h>
18 #include "clk-pll.h"
121 GATE(HCLK_USBD, "usb-device", "hclk", HCLKCON, 12, 0, 0),
122 GATE(HCLK_USBH, "usb-host", "hclk", HCLKCON, 11, 0, 0),
146 ALIAS(MSYSCLK, NULL, "msysclk"),
147 ALIAS(ARMCLK, NULL, "armclk"),
148 ALIAS(MPLL, NULL, "mpll"),
149 ALIAS(EPLL, NULL, "epll"),
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| D | clk-s3c2410.c | 1 // SPDX-License-Identifier: GPL-2.0-only
8 #include <linux/clk-provider.h>
13 #include <dt-bindings/clock/s3c2410.h>
16 #include "clk-pll.h"
80 GATE(PCLK_I2C, "i2c", "pclk", CLKCON, 16, 0, 0),
89 GATE(HCLK_USBD, "usb-device", "hclk", CLKCON, 7, 0, 0),
90 GATE(HCLK_USBH, "usb-host", "hclk", CLKCON, 6, 0, 0),
95 /* should be added _after_ the soc-specific clocks are created */
97 ALIAS(PCLK_I2C, "s3c2410-i2c.0", "i2c"),
98 ALIAS(PCLK_ADC, NULL, "adc"),
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| D | clk-s3c64xx.c | 1 // SPDX-License-Identifier: GPL-2.0-only
9 #include <linux/clk-provider.h>
14 #include <dt-bindings/clock/samsung,s3c64xx-clock.h>
17 #include "clk-pll.h"
98 /* S3C6400-specific parent clocks. */
103 /* S3C6410-specific parent clocks. */
311 ALIAS(FOUT_APLL, NULL, "fout_apll"),
312 ALIAS(FOUT_MPLL, NULL, "fout_mpll"),
313 ALIAS(FOUT_EPLL, NULL, "fout_epll"),
314 ALIAS(MOUT_EPLL, NULL, "mout_epll"),
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| /kernel/linux/linux-6.6/drivers/clk/samsung/ |
| D | clk-s3c64xx.c | 1 // SPDX-License-Identifier: GPL-2.0-only
9 #include <linux/clk-provider.h>
14 #include <dt-bindings/clock/samsung,s3c64xx-clock.h>
17 #include "clk-pll.h"
98 /* S3C6400-specific parent clocks. */
103 /* S3C6410-specific parent clocks. */
311 ALIAS(FOUT_APLL, NULL, "fout_apll"),
312 ALIAS(FOUT_MPLL, NULL, "fout_mpll"),
313 ALIAS(FOUT_EPLL, NULL, "fout_epll"),
314 ALIAS(MOUT_EPLL, NULL, "mout_epll"),
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| /kernel/linux/linux-5.10/scripts/mod/ |
| D | file2alias.c | 1 /* Simple code to turn various tables in an ELF file into alias definitions.
5 * Copyright 2002-2003 Rusty Russell, IBM Corporation
14 #include "devicetable-offsets.h"
59 int (*do_entry)(const char *filename, void *symval, char *alias);
62 /* Size of alias provided to do_entry functions */
69 typeof(((struct devid *)0)->f) f = TO_NATIVE(*(typeof(f) *)((m) + OFF_##devid##_##f))
76 typeof(((struct devid *)0)->f) *v = ((m) + OFF_##devid##_##f)
103 if (str[len - 1] != '*') in add_wildcard()
111 sprintf(str + len, "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x", in add_uuid()
120 * in .o file. If in-consistent then userspace and kernel does not agree
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/i2c/ |
| 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
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| /kernel/linux/linux-6.6/scripts/mod/ |
| D | file2alias.c | 1 /* Simple code to turn various tables in an ELF file into alias definitions.
5 * Copyright 2002-2003 Rusty Russell, IBM Corporation
14 #include "devicetable-offsets.h"
63 int (*do_entry)(const char *filename, void *symval, char *alias);
66 /* Size of alias provided to do_entry functions */
73 typeof(((struct devid *)0)->f) f = TO_NATIVE(*(typeof(f) *)((m) + OFF_##devid##_##f))
80 typeof(((struct devid *)0)->f) *v = ((m) + OFF_##devid##_##f)
107 if (str[len - 1] != '*') in add_wildcard()
115 sprintf(str + len, "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x", in add_uuid()
126 sprintf(str + len, "%02X%02X%02X%02X-%02X%02X-%02X%02X-%02X%02X-%02X%02X%02X%02X%02X%02X", in add_guid()
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| /kernel/linux/linux-5.10/drivers/of/ |
| D | unittest.c | 1 // SPDX-License-Identifier: GPL-2.0
6 #define pr_fmt(fmt) "### dt-test ### " fmt
10 #include <linux/dma-direct.h> /* to test phys_to_dma/dma_to_phys */
26 #include <linux/i2c.h>
27 #include <linux/i2c-mux.h>
52 #define OF_KREF_READ(NODE) kref_read(&(NODE)->kobj.kref)
76 np = of_find_node_by_path("/testcase-data"); in of_unittest_find_node_by_name()
78 unittest(np && name && !strcmp("/testcase-data", name), in of_unittest_find_node_by_name()
79 "find /testcase-data failed\n"); in of_unittest_find_node_by_name()
84 np = of_find_node_by_path("/testcase-data/"); in of_unittest_find_node_by_name()
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| /kernel/linux/linux-6.6/drivers/of/ |
| D | unittest.c | 1 // SPDX-License-Identifier: GPL-2.0
6 #define pr_fmt(fmt) "### dt-test ### " fmt
10 #include <linux/dma-direct.h> /* to test phys_to_dma/dma_to_phys */
28 #include <linux/i2c.h>
29 #include <linux/i2c-mux.h>
54 #define OF_KREF_READ(NODE) kref_read(&(NODE)->kobj.kref)
85 np = of_find_node_by_path("/testcase-data"); in of_unittest_find_node_by_name()
87 unittest(np && name && !strcmp("/testcase-data", name), in of_unittest_find_node_by_name()
88 "find /testcase-data failed\n"); in of_unittest_find_node_by_name()
93 np = of_find_node_by_path("/testcase-data/"); in of_unittest_find_node_by_name()
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| D | base.c | 1 // SPDX-License-Identifier: GPL-2.0+
6 * Copyright (C) 1996-2005 Paul Mackerras.
66 node_name = kbasename(np->full_name); in of_node_name_eq()
67 len = strchrnul(node_name, '@') - node_name; in of_node_name_eq()
78 return strncmp(kbasename(np->full_name), prefix, strlen(prefix)) == 0; in of_node_name_prefix()
93 for (; np; np = np->parent) in of_bus_n_addr_cells()
94 if (!of_property_read_u32(np, "#address-cells", &cells)) in of_bus_n_addr_cells()
97 /* No #address-cells property for the root node */ in of_bus_n_addr_cells()
103 if (np->parent) in of_n_addr_cells()
104 np = np->parent; in of_n_addr_cells()
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| /kernel/linux/linux-6.6/arch/powerpc/boot/dts/fsl/ |
| D | ppa8548.dts | 1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * PPA8548 Device Tree Source (36-bit address map)
7 * MPC8548 CDS Device Tree Source (36-bit address map)
11 /include/ "mpc8548si-pre.dtsi"
16 #address-cells = <2>;
17 #size-cells = <2>;
18 interrupt-parent = <&mpic>;
59 #address-cells = <1>;
60 #size-cells = <1>;
61 compatible = "cfi-flash";
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| /kernel/linux/linux-5.10/arch/powerpc/boot/dts/fsl/ |
| D | ppa8548.dts | 1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * PPA8548 Device Tree Source (36-bit address map)
7 * MPC8548 CDS Device Tree Source (36-bit address map)
11 /include/ "mpc8548si-pre.dtsi"
16 #address-cells = <2>;
17 #size-cells = <2>;
18 interrupt-parent = <&mpic>;
59 #address-cells = <1>;
60 #size-cells = <1>;
61 compatible = "cfi-flash";
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| /kernel/linux/linux-6.6/drivers/media/i2c/ |
| D | ds90ub960.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * Driver for the Texas Instruments DS90UB960-Q1 video deserializer
12 * - PM for serializer and remote peripherals. We need to manage:
13 * - VPOC
14 * - Power domain? Regulator? Somehow any remote device should be able to
16 * - Link between the deserializer and the serializer
17 * - Related to VPOC management. We probably always want to turn on the VPOC
19 * - Serializer's services: i2c, gpios, power
20 * - The serializer needs to resume before the remote peripherals can
21 * e.g. use the i2c.
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| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/iio/accel/ |
| D | adi,adxl367.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Analog Devices ADXL367 3-Axis Digital Accelerometer
10 - Cosmin Tanislav <cosmin.tanislav@analog.com>
13 The ADXL367 is an ultralow power, 3-axis MEMS accelerometer.
15 The ADXL367 does not alias input signals by to achieve ultralow power
17 data rates. Measurement ranges of +-2g, +-4g, and +-8g are available,
18 with a resolution of 0.25mg/LSB on the +-2 g range.
22 It includes a deep multimode output FIFO, a built-in micropower
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/phy/ |
| D | samsung-phy.txt | 2 -------------------------------------------------
5 - compatible : should be one of the listed compatibles:
6 - "samsung,s5pv210-mipi-video-phy"
7 - "samsung,exynos5420-mipi-video-phy"
8 - "samsung,exynos5433-mipi-video-phy"
9 - #phy-cells : from the generic phy bindings, must be 1;
12 - syscon - phandle to the PMU system controller
15 - samsung,pmu-syscon - phandle to the PMU system controller
16 - samsung,disp-sysreg - phandle to the DISP system registers controller
17 - samsung,cam0-sysreg - phandle to the CAM0 system registers controller
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| /kernel/linux/linux-6.6/drivers/platform/x86/ |
| D | serial-multi-instantiate.c | 1 // SPDX-License-Identifier: GPL-2.0+
3 * Serial multi-instantiate driver, pseudo driver to instantiate multiple
11 #include <linux/i2c.h>
55 switch (inst->flags & IRQ_RESOURCE_TYPE) { in smi_get_irq()
57 ret = acpi_dev_gpio_irq_get(adev, inst->irq_idx); in smi_get_irq()
59 dev_dbg(&pdev->dev, "Using gpio irq\n"); in smi_get_irq()
62 ret = platform_get_irq(pdev, inst->irq_idx); in smi_get_irq()
64 dev_dbg(&pdev->dev, "Using platform irq\n"); in smi_get_irq()
69 ret = acpi_dev_gpio_irq_get(adev, inst->irq_idx); in smi_get_irq()
72 ret = platform_get_irq(pdev, inst->irq_idx); in smi_get_irq()
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| /kernel/linux/linux-6.6/drivers/gpu/drm/solomon/ |
| D | ssd130x-spi.c | 1 // SPDX-License-Identifier: GPL-2.0-only
13 #define DRIVER_NAME "ssd130x-spi"
23 * but toggling the Data/Command control pin (D/C#). Since for 4-wire SPI
24 * a D/C# pin is used, in contrast with I2C where a control byte is sent,
34 struct spi_device *spi = t->spi; in ssd130x_spi_write()
38 gpiod_set_value_cansleep(t->dc, 0); in ssd130x_spi_write()
41 gpiod_set_value_cansleep(t->dc, 1); in ssd130x_spi_write()
43 /* Remove control byte since is not used in a 4-wire SPI interface */ in ssd130x_spi_write()
44 return spi_write(spi, reg + 1, count - 1); in ssd130x_spi_write()
51 return -EOPNOTSUPP; in ssd130x_spi_read()
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| /kernel/linux/linux-6.6/arch/powerpc/platforms/512x/ |
| D | clock-commonclk.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
12 #include <linux/clk-provider.h>
21 #include <dt-bindings/clock/mpc512x-clock.h>
89 * interpretation, no CFM, different fourth PSC/CAN mux0 input -- yet
292 val &= (1 << len) - 1; in get_bit_field()
305 spmf = get_bit_field(&clkregs->spmr, 24, 4); in get_spmf_mult()
326 divcode = get_bit_field(&clkregs->scfr2, 26, 6); in get_sys_div_x2()
350 cpmf = get_bit_field(&clkregs->spmr, 16, 4); in get_cpmf_mult_x2()
389 np = of_find_compatible_node(NULL, NULL, "fsl,mpc5121-immr"); in get_freq_from_dt()
404 clks[i] = ERR_PTR(-ENODEV); in mpc512x_clk_preset_data()
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