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/linux/Documentation/devicetree/bindings/i2c/
H A Dnxp,pnx-i2c.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/i2c/nxp,pnx-i2c.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: NXP PNX I2C Controller
10 - Animesh Agarwal <animeshagarwal28@gmail.com>
13 - $ref: /schemas/i2c/i2c-controller.yaml#
17 const: nxp,pnx-i2c
28 clock-frequency:
32 - compatible
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/linux/drivers/i2c/busses/
H A Di2c-pnx.c2 * Provides I2C support for Philips PNX010x/PNX4008 boards.
7 * 2004-2006 (c) MontaVista Software, Inc. This file is licensed under
17 #include <linux/i2c.h>
82 #define I2C_REG_RX(a) ((a)->ioaddr) /* Rx FIFO reg (RO) */
83 #define I2C_REG_TX(a) ((a)->ioaddr) /* Tx FIFO reg (WO) */
84 #define I2C_REG_STS(a) ((a)->ioaddr + 0x04) /* Status reg (RO) */
85 #define I2C_REG_CTL(a) ((a)->ioaddr + 0x08) /* Ctl reg */
86 #define I2C_REG_CKL(a) ((a)->ioaddr + 0x0c) /* Clock divider low */
87 #define I2C_REG_CKH(a) ((a)->ioaddr + 0x10) /* Clock divider high */
88 #define I2C_REG_ADR(a) ((a)->ioaddr + 0x14) /* I2C address */
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H A Di2c-lpc2k.c1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Code portions referenced from the i2x-pxa and i2c-pnx drivers
17 #include <linux/i2c.h>
46 /* I2C SCL clock has different duty cycle depending on mode */
52 * 26 possible I2C status codes, but codes applicable only
83 static void i2c_lpc2k_reset(struct lpc2k_i2c *i2c) in i2c_lpc2k_reset() argument
86 writel(LPC24XX_CLEAR_ALL, i2c->base + LPC24XX_I2CONCLR); in i2c_lpc2k_reset()
87 writel(0, i2c->base + LPC24XX_I2ADDR); in i2c_lpc2k_reset()
88 writel(LPC24XX_I2EN, i2c->base + LPC24XX_I2CONSET); in i2c_lpc2k_reset()
91 static int i2c_lpc2k_clear_arb(struct lpc2k_i2c *i2c) in i2c_lpc2k_clear_arb() argument
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/linux/
H A DMAINTAINERS5 ---------------------------------------------------
21 W: *Web-page* with status/info
23 B: URI for where to file *bugs*. A web-page with detailed bug
28 patches to the given subsystem. This is either an in-tree file,
29 or a URI. See Documentation/maintainer/maintainer-entry-profile.rst
46 N: [^a-z]tegra all files whose path contains tegra
64 ----------------
83 3WARE SAS/SATA-RAID SCSI DRIVERS (3W-XXXX, 3W-9XXX, 3W-SAS)
85 L: linux-scsi@vger.kernel.org
88 F: drivers/scsi/3w-*
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