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| // SPDX-License-Identifier: GPL-2.0-only
| /*
| * arch/arm/plat-iop/i2c.c
| *
| * Author: Nicolas Pitre <nico@cam.org>
| * Copyright (C) 2001 MontaVista Software, Inc.
| * Copyright (C) 2004 Intel Corporation.
| */
|
| #include <linux/mm.h>
| #include <linux/init.h>
| #include <linux/major.h>
| #include <linux/fs.h>
| #include <linux/platform_device.h>
| #include <linux/serial.h>
| #include <linux/tty.h>
| #include <linux/serial_core.h>
| #include <linux/io.h>
| #include <linux/gpio/machine.h>
| #include <asm/page.h>
| #include <asm/mach/map.h>
| #include <asm/setup.h>
| #include <asm/memory.h>
| #include <asm/mach/arch.h>
|
| #include "hardware.h"
| #include "iop3xx.h"
| #include "irqs.h"
|
| /*
| * Each of the I2C busses have corresponding GPIO lines, and the driver
| * need to access these directly to drive the bus low at times.
| */
|
| struct gpiod_lookup_table iop3xx_i2c0_gpio_lookup = {
| .dev_id = "IOP3xx-I2C.0",
| .table = {
| GPIO_LOOKUP("gpio-iop", 7, "scl", GPIO_ACTIVE_HIGH),
| GPIO_LOOKUP("gpio-iop", 6, "sda", GPIO_ACTIVE_HIGH),
| { }
| },
| };
|
| struct gpiod_lookup_table iop3xx_i2c1_gpio_lookup = {
| .dev_id = "IOP3xx-I2C.1",
| .table = {
| GPIO_LOOKUP("gpio-iop", 5, "scl", GPIO_ACTIVE_HIGH),
| GPIO_LOOKUP("gpio-iop", 4, "sda", GPIO_ACTIVE_HIGH),
| { }
| },
| };
|
| static struct resource iop3xx_i2c0_resources[] = {
| [0] = {
| .start = 0xfffff680,
| .end = 0xfffff697,
| .flags = IORESOURCE_MEM,
| },
| [1] = {
| .start = IRQ_IOP32X_I2C_0,
| .end = IRQ_IOP32X_I2C_0,
| .flags = IORESOURCE_IRQ,
| },
| };
|
| struct platform_device iop3xx_i2c0_device = {
| .name = "IOP3xx-I2C",
| .id = 0,
| .num_resources = 2,
| .resource = iop3xx_i2c0_resources,
| };
|
|
| static struct resource iop3xx_i2c1_resources[] = {
| [0] = {
| .start = 0xfffff6a0,
| .end = 0xfffff6b7,
| .flags = IORESOURCE_MEM,
| },
| [1] = {
| .start = IRQ_IOP32X_I2C_1,
| .end = IRQ_IOP32X_I2C_1,
| .flags = IORESOURCE_IRQ,
| }
| };
|
| struct platform_device iop3xx_i2c1_device = {
| .name = "IOP3xx-I2C",
| .id = 1,
| .num_resources = 2,
| .resource = iop3xx_i2c1_resources,
| };
|
|
