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);
138