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- // SPDX-License-Identifier: GPL-2.0-only
- /*
- * arch/arm/plat-iop/i2c.c
- *
- * Author: Nicolas Pitre <[email protected]>
- * 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,
- };
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