devices-rsk7203.c

  1// SPDX-License-Identifier: GPL-2.0
  2/*
  3 * Renesas Technology Europe RSK+ 7203 Support.
  4 *
  5 * Copyright (C) 2008 - 2010  Paul Mundt
  6 */
  7#include <linux/init.h>
  8#include <linux/types.h>
  9#include <linux/platform_device.h>
 10#include <linux/interrupt.h>
 11#include <linux/smsc911x.h>
 12#include <linux/input.h>
 13#include <linux/gpio.h>
 14#include <linux/gpio_keys.h>
 15#include <linux/leds.h>
 16#include <asm/machvec.h>
 17#include <asm/io.h>
 18#include <cpu/sh7203.h>
 19
 20static struct smsc911x_platform_config smsc911x_config = {
 21	.phy_interface	= PHY_INTERFACE_MODE_MII,
 22	.irq_polarity	= SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
 23	.irq_type	= SMSC911X_IRQ_TYPE_OPEN_DRAIN,
 24	.flags		= SMSC911X_USE_32BIT | SMSC911X_SWAP_FIFO,
 25};
 26
 27static struct resource smsc911x_resources[] = {
 28	[0] = {
 29		.start		= 0x24000000,
 30		.end		= 0x240000ff,
 31		.flags		= IORESOURCE_MEM,
 32	},
 33	[1] = {
 34		.start		= 64,
 35		.end		= 64,
 36		.flags		= IORESOURCE_IRQ,
 37	},
 38};
 39
 40static struct platform_device smsc911x_device = {
 41	.name		= "smsc911x",
 42	.id		= -1,
 43	.num_resources	= ARRAY_SIZE(smsc911x_resources),
 44	.resource	= smsc911x_resources,
 45	.dev		= {
 46		.platform_data = &smsc911x_config,
 47	},
 48};
 49
 50static struct gpio_led rsk7203_gpio_leds[] = {
 51	{
 52		.name			= "green",
 53		.gpio			= GPIO_PE10,
 54		.active_low		= 1,
 55	}, {
 56		.name			= "orange",
 57		.default_trigger	= "nand-disk",
 58		.gpio			= GPIO_PE12,
 59		.active_low		= 1,
 60	}, {
 61		.name			= "red:timer",
 62		.default_trigger	= "timer",
 63		.gpio			= GPIO_PC14,
 64		.active_low		= 1,
 65	}, {
 66		.name			= "red:heartbeat",
 67		.default_trigger	= "heartbeat",
 68		.gpio			= GPIO_PE11,
 69		.active_low		= 1,
 70	},
 71};
 72
 73static struct gpio_led_platform_data rsk7203_gpio_leds_info = {
 74	.leds		= rsk7203_gpio_leds,
 75	.num_leds	= ARRAY_SIZE(rsk7203_gpio_leds),
 76};
 77
 78static struct platform_device led_device = {
 79	.name		= "leds-gpio",
 80	.id		= -1,
 81	.dev		= {
 82		.platform_data	= &rsk7203_gpio_leds_info,
 83	},
 84};
 85
 86static struct gpio_keys_button rsk7203_gpio_keys_table[] = {
 87	{
 88		.code		= BTN_0,
 89		.gpio		= GPIO_PB0,
 90		.active_low	= 1,
 91		.desc		= "SW1",
 92	}, {
 93		.code		= BTN_1,
 94		.gpio		= GPIO_PB1,
 95		.active_low	= 1,
 96		.desc		= "SW2",
 97	}, {
 98		.code		= BTN_2,
 99		.gpio		= GPIO_PB2,
100		.active_low	= 1,
101		.desc		= "SW3",
102	},
103};
104
105static struct gpio_keys_platform_data rsk7203_gpio_keys_info = {
106	.buttons	= rsk7203_gpio_keys_table,
107	.nbuttons	= ARRAY_SIZE(rsk7203_gpio_keys_table),
108	.poll_interval	= 50, /* default to 50ms */
109};
110
111static struct platform_device keys_device = {
112	.name		= "gpio-keys-polled",
113	.dev		= {
114		.platform_data	= &rsk7203_gpio_keys_info,
115	},
116};
117
118static struct platform_device *rsk7203_devices[] __initdata = {
119	&smsc911x_device,
120	&led_device,
121	&keys_device,
122};
123
124static int __init rsk7203_devices_setup(void)
125{
126	/* Select pins for SCIF0 */
127	gpio_request(GPIO_FN_TXD0, NULL);
128	gpio_request(GPIO_FN_RXD0, NULL);
129
130	/* Setup LAN9118: CS1 in 16-bit Big Endian Mode, IRQ0 at Port B */
131	__raw_writel(0x36db0400, 0xfffc0008); /* CS1BCR */
132	gpio_request(GPIO_FN_IRQ0_PB, NULL);
133
134	return platform_add_devices(rsk7203_devices,
135				    ARRAY_SIZE(rsk7203_devices));
136}
137device_initcall(rsk7203_devices_setup);