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Searched +full:i2c +full:- +full:scl +full:- +full:clk +full:- +full:low +full:- +full:timeout +full:- +full:us (Results 1 – 25 of 41) sorted by relevance

12

/kernel/linux/linux-5.10/drivers/i2c/busses/
Di2c-davinci.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * TI DAVINCI I2C adapter driver.
10 * ----------------------------------------------------------------------------
12 * ----------------------------------------------------------------------------
17 #include <linux/i2c.h>
18 #include <linux/clk.h>
29 #include <linux/platform_data/i2c-davinci.h>
32 /* ----- global defines ----------------------------------------------- */
94 /* set SDA and SCL as GPIO */
97 /* set SCL as output when used as GPIO*/
[all …]
Di2c-designware-common.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Synopsys DesignWare I2C adapter driver.
5 * Based on the TI DAVINCI I2C adapter driver.
12 #include <linux/clk.h>
18 #include <linux/i2c.h>
29 #include "i2c-designware-core.h"
59 "incorrect slave-transmitter mode configuration",
66 *val = readl(dev->base + reg); in dw_reg_read()
75 writel(val, dev->base + reg); in dw_reg_write()
84 *val = swab32(readl(dev->base + reg)); in dw_reg_read_swab()
[all …]
Di2c-pxa.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * I2C adapter for the PXA I2C bus access.
8 * Copyright (C) 2004-2005 Deep Blue Solutions Ltd.
13 * Jan 2003: Fixed several bugs concerning interrupt handling [Kai-Uwe Bloem]
14 * Jan 2003: added limited signal handling [Kai-Uwe Bloem]
19 #include <linux/clk.h>
24 #include <linux/i2c.h>
34 #include <linux/platform_data/i2c-pxa.h>
37 /* I2C register field definitions */
58 #define ICR_A3700_FM (1 << 16) /* fast mode for armada-3700 */
[all …]
Di2c-sh_mobile.c1 // SPDX-License-Identifier: GPL-2.0
3 * SuperH Mobile I2C Controller
5 * Copyright (C) 2014-19 Wolfram Sang <wsa@sang-engineering.com>
8 * Portions of the code based on out-of-tree driver i2c-sh7343.c
12 #include <linux/clk.h>
15 #include <linux/dma-mapping.h>
17 #include <linux/i2c.h>
40 /* ICIC: -DTE */
47 /* ICIC: -DTE */
51 /* 3 bytes or more, +---------+ gets repeated */
[all …]
Di2c-sprd.c4 * SPDX-License-Identifier: (GPL-2.0+ OR MIT)
7 #include <linux/clk.h>
11 #include <linux/i2c.h>
68 #define I2C_ADDR_DVD0_CALC(high, low) \ argument
69 ((((high) & GENMASK(15, 0)) << 16) | ((low) & GENMASK(15, 0)))
70 #define I2C_ADDR_DVD1_CALC(high, low) \ argument
71 (((high) & GENMASK(31, 16)) | (((low) & GENMASK(31, 16)) >> 16))
73 /* timeout (ms) for pm runtime autosuspend */
75 /* timeout (ms) for transfer message */
78 /* SPRD i2c data structure */
[all …]
Di2c-uniphier-f.c1 // SPDX-License-Identifier: GPL-2.0-or-later
6 #include <linux/clk.h>
7 #include <linux/i2c.h>
25 #define UNIPHIER_FI2C_LCTL 0x14 /* clock low period control */
54 #define UNIPHIER_FI2C_BM_SCLO BIT(1) /* output for SCL line */
55 #define UNIPHIER_FI2C_BM_SCLS BIT(0) /* readback of SCL line */
63 #define UNIPHIER_FI2C_BRST_RSCL BIT(0) /* release SCL */
82 struct clk *clk; member
99 * TX-FIFO stores slave address in it for the first access. in uniphier_fi2c_fill_txfifo()
103 fifo_space--; in uniphier_fi2c_fill_txfifo()
[all …]
Di2c-stm32f7.c1 // SPDX-License-Identifier: GPL-2.0
3 * Driver for STMicroelectronics STM32F7 I2C controller
5 * This I2C controller is described in the STM32F75xxx and STM32F74xxx Soc
14 * This driver is based on i2c-stm32f4.c
17 #include <linux/clk.h>
20 #include <linux/i2c.h>
21 #include <linux/i2c-smbus.h>
38 #include "i2c-stm32.h"
40 /* STM32F7 I2C registers */
52 /* STM32F7 I2C control 1 */
[all …]
Di2c-mxs.c1 // SPDX-License-Identifier: GPL-2.0+
3 * Freescale MXS I2C bus driver
5 * Copyright (C) 2012-2013 Marek Vasut <marex@denx.de>
6 * Copyright (C) 2011-2012 Wolfram Sang, Pengutronix e.K.
8 * based on a (non-working) driver which was:
10 * Copyright (C) 2009-2010 Freescale Semiconductor, Inc. All Rights Reserved.
16 #include <linux/i2c.h>
26 #include <linux/dma-mapping.h>
28 #include <linux/dma/mxs-dma.h>
30 #define DRIVER_NAME "mxs-i2c"
[all …]
Di2c-npcm7xx.c1 // SPDX-License-Identifier: GPL-2.0
3 * Nuvoton NPCM7xx I2C Controller driver
8 #include <linux/clk.h>
11 #include <linux/i2c.h>
29 * External I2C Interface driver xfer indication values, which indicate status
58 /* I2C Bank (module had 2 banks of registers) */
64 /* Internal I2C states values (for the I2C module state machine). */
136 #define NPCM_I2CSCLLT 0x1C /* SCL Low Time */
138 #define NPCM_I2CSCLHT 0x1E /* SCL High Time */
142 #define NPCM_I2CTXF_CTL 0x12 /* Tx-FIFO Control */
[all …]
Di2c-aspeed.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Aspeed 24XX/25XX I2C Controller.
5 * Copyright (C) 2012-2017 ASPEED Technology Inc.
10 #include <linux/clk.h>
14 #include <linux/i2c.h>
30 /* I2C Register */
41 /* 0x00 : I2C Interrupt Status Register */
42 /* 0x08 : I2C Interrupt Target Assignment */
165 /* Multi-master */
181 spin_lock_irqsave(&bus->lock, flags); in aspeed_i2c_recover_bus()
[all …]
/kernel/linux/linux-6.6/drivers/i2c/busses/
Di2c-davinci.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * TI DAVINCI I2C adapter driver.
10 * ----------------------------------------------------------------------------
12 * ----------------------------------------------------------------------------
17 #include <linux/i2c.h>
18 #include <linux/clk.h>
29 #include <linux/platform_data/i2c-davinci.h>
32 /* ----- global defines ----------------------------------------------- */
94 /* set SDA and SCL as GPIO */
97 /* set SCL as output when used as GPIO*/
[all …]
Di2c-designware-common.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Synopsys DesignWare I2C adapter driver.
5 * Based on the TI DAVINCI I2C adapter driver.
12 #include <linux/clk.h>
18 #include <linux/i2c.h>
29 #include "i2c-designware-core.h"
59 "incorrect slave-transmitter mode configuration",
66 *val = readl(dev->base + reg); in dw_reg_read()
75 writel(val, dev->base + reg); in dw_reg_write()
84 *val = swab32(readl(dev->base + reg)); in dw_reg_read_swab()
[all …]
Di2c-hisi.c1 // SPDX-License-Identifier: GPL-2.0
3 * HiSilicon I2C Controller Driver for Kunpeng SoC
10 #include <linux/clk.h>
12 #include <linux/i2c.h>
92 struct clk *clk; member
106 /* I2C bus configuration */
114 writel_relaxed(mask, ctlr->iobase + HISI_I2C_INT_MASK); in hisi_i2c_enable_int()
119 writel_relaxed((~mask) & HISI_I2C_INT_ALL, ctlr->iobase + HISI_I2C_INT_MASK); in hisi_i2c_disable_int()
124 writel_relaxed(mask, ctlr->iobase + HISI_I2C_INT_CLR); in hisi_i2c_clear_int()
129 u32 int_err = ctlr->xfer_err, reg; in hisi_i2c_handle_errors()
[all …]
Di2c-meson.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * I2C bus driver for Amlogic Meson SoCs
9 #include <linux/clk.h>
11 #include <linux/i2c.h>
21 /* Meson I2C register map */
68 * struct meson_i2c - Meson I2C device private data
70 * @adap: I2C adapter instance
73 * @clk: Pointer to clock structure
74 * @msg: Pointer to the current I2C message
90 struct clk *clk; member
[all …]
Di2c-pxa.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * I2C adapter for the PXA I2C bus access.
8 * Copyright (C) 2004-2005 Deep Blue Solutions Ltd.
13 * Jan 2003: Fixed several bugs concerning interrupt handling [Kai-Uwe Bloem]
14 * Jan 2003: added limited signal handling [Kai-Uwe Bloem]
19 #include <linux/clk.h>
24 #include <linux/i2c.h>
34 #include <linux/platform_data/i2c-pxa.h>
37 /* I2C register field definitions */
58 #define ICR_A3700_FM (1 << 16) /* fast mode for armada-3700 */
[all …]
Di2c-sh_mobile.c1 // SPDX-License-Identifier: GPL-2.0
3 * SuperH Mobile I2C Controller
5 * Copyright (C) 2014-19 Wolfram Sang <wsa@sang-engineering.com>
8 * Portions of the code based on out-of-tree driver i2c-sh7343.c
12 #include <linux/clk.h>
15 #include <linux/dma-mapping.h>
17 #include <linux/i2c.h>
40 /* ICIC: -DTE */
47 /* ICIC: -DTE */
51 /* 3 bytes or more, +---------+ gets repeated */
[all …]
Di2c-mpc.c1 // SPDX-License-Identifier: GPL-2.0
3 * This is a combined i2c adapter and algorithm driver for the
5 * the same I2C unit (8240, 8245, 85xx).
7 * Copyright (C) 2003-2004 Humboldt Solutions Ltd, adrian@humboldt.co.uk
21 #include <linux/clk.h>
25 #include <linux/i2c.h>
33 #define DRV_NAME "mpc-i2c"
93 struct clk *clk_per;
112 void (*setup)(struct device_node *node, struct mpc_i2c *i2c, u32 clock);
115 static inline void writeccr(struct mpc_i2c *i2c, u32 x) in writeccr() argument
[all …]
Di2c-sprd.c4 * SPDX-License-Identifier: (GPL-2.0+ OR MIT)
7 #include <linux/clk.h>
11 #include <linux/i2c.h>
67 #define I2C_ADDR_DVD0_CALC(high, low) \ argument
68 ((((high) & GENMASK(15, 0)) << 16) | ((low) & GENMASK(15, 0)))
69 #define I2C_ADDR_DVD1_CALC(high, low) \ argument
70 (((high) & GENMASK(31, 16)) | (((low) & GENMASK(31, 16)) >> 16))
72 /* timeout (ms) for pm runtime autosuspend */
74 /* timeout (ms) for transfer message */
77 /* SPRD i2c data structure */
[all …]
Di2c-uniphier-f.c1 // SPDX-License-Identifier: GPL-2.0-or-later
6 #include <linux/clk.h>
7 #include <linux/i2c.h>
25 #define UNIPHIER_FI2C_LCTL 0x14 /* clock low period control */
54 #define UNIPHIER_FI2C_BM_SCLO BIT(1) /* output for SCL line */
55 #define UNIPHIER_FI2C_BM_SCLS BIT(0) /* readback of SCL line */
63 #define UNIPHIER_FI2C_BRST_RSCL BIT(0) /* release SCL */
82 struct clk *clk; member
99 * TX-FIFO stores slave address in it for the first access. in uniphier_fi2c_fill_txfifo()
103 fifo_space--; in uniphier_fi2c_fill_txfifo()
[all …]
Di2c-stm32f7.c1 // SPDX-License-Identifier: GPL-2.0
3 * Driver for STMicroelectronics STM32F7 I2C controller
5 * This I2C controller is described in the STM32F75xxx and STM32F74xxx Soc
14 * This driver is based on i2c-stm32f4.c
17 #include <linux/clk.h>
20 #include <linux/i2c.h>
21 #include <linux/i2c-smbus.h>
38 #include "i2c-stm32.h"
40 /* STM32F7 I2C registers */
52 /* STM32F7 I2C control 1 */
[all …]
Di2c-mxs.c1 // SPDX-License-Identifier: GPL-2.0+
3 * Freescale MXS I2C bus driver
5 * Copyright (C) 2012-2013 Marek Vasut <marex@denx.de>
6 * Copyright (C) 2011-2012 Wolfram Sang, Pengutronix e.K.
8 * based on a (non-working) driver which was:
10 * Copyright (C) 2009-2010 Freescale Semiconductor, Inc. All Rights Reserved.
16 #include <linux/i2c.h>
25 #include <linux/dma-mapping.h>
27 #include <linux/dma/mxs-dma.h>
29 #define DRIVER_NAME "mxs-i2c"
[all …]
Di2c-aspeed.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Aspeed 24XX/25XX I2C Controller.
5 * Copyright (C) 2012-2017 ASPEED Technology Inc.
10 #include <linux/clk.h>
14 #include <linux/i2c.h>
28 /* I2C Register */
39 /* 0x00 : I2C Interrupt Status Register */
40 /* 0x08 : I2C Interrupt Target Assignment */
163 /* Multi-master */
176 bus->master_state = ASPEED_I2C_MASTER_STOP; in aspeed_i2c_do_stop()
[all …]
Di2c-npcm7xx.c1 // SPDX-License-Identifier: GPL-2.0
3 * Nuvoton NPCM7xx I2C Controller driver
8 #include <linux/clk.h>
11 #include <linux/i2c.h>
29 * External I2C Interface driver xfer indication values, which indicate status
58 /* I2C Bank (module had 2 banks of registers) */
64 /* Internal I2C states values (for the I2C module state machine). */
119 #define NPCM_I2CSCLLT 0x1C /* SCL Low Time */
121 #define NPCM_I2CSCLHT 0x1E /* SCL High Time */
125 #define NPCM_I2CTXF_CTL 0x12 /* Tx-FIFO Control */
[all …]
/kernel/linux/linux-6.6/Documentation/devicetree/bindings/i2c/
Di2c-mpc.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/i2c/i2c-mpc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: I2C-Bus adapter for MPC824x/83xx/85xx/86xx/512x/52xx SoCs
10 - Chris Packham <chris.packham@alliedtelesis.co.nz>
13 - $ref: /schemas/i2c/i2c-controller.yaml#
18 - items:
19 - enum:
20 - mpc5200-i2c
[all …]
/kernel/linux/linux-6.6/arch/arm/boot/dts/st/
Dstm32mp157c-emstamp-argon.dtsi1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
9 #include "stm32mp15-pinctrl.dtsi"
10 #include "stm32mp15xxac-pinctrl.dtsi"
11 #include <dt-bindings/gpio/gpio.h>
12 #include <dt-bindings/mfd/st,stpmic1.h>
23 stdout-path = "serial0:115200n8";
31 reserved-memory {
32 #address-cells = <1>;
33 #size-cells = <1>;
37 compatible = "shared-dma-pool";
[all …]

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