1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Renesas Technology Europe RSK+ 7203 Support.
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright (C) 2008 - 2010 Paul Mundt
6*4882a593Smuzhiyun */
7*4882a593Smuzhiyun #include <linux/init.h>
8*4882a593Smuzhiyun #include <linux/types.h>
9*4882a593Smuzhiyun #include <linux/platform_device.h>
10*4882a593Smuzhiyun #include <linux/interrupt.h>
11*4882a593Smuzhiyun #include <linux/smsc911x.h>
12*4882a593Smuzhiyun #include <linux/input.h>
13*4882a593Smuzhiyun #include <linux/gpio.h>
14*4882a593Smuzhiyun #include <linux/gpio_keys.h>
15*4882a593Smuzhiyun #include <linux/leds.h>
16*4882a593Smuzhiyun #include <asm/machvec.h>
17*4882a593Smuzhiyun #include <asm/io.h>
18*4882a593Smuzhiyun #include <cpu/sh7203.h>
19*4882a593Smuzhiyun
20*4882a593Smuzhiyun static struct smsc911x_platform_config smsc911x_config = {
21*4882a593Smuzhiyun .phy_interface = PHY_INTERFACE_MODE_MII,
22*4882a593Smuzhiyun .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
23*4882a593Smuzhiyun .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
24*4882a593Smuzhiyun .flags = SMSC911X_USE_32BIT | SMSC911X_SWAP_FIFO,
25*4882a593Smuzhiyun };
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun static struct resource smsc911x_resources[] = {
28*4882a593Smuzhiyun [0] = {
29*4882a593Smuzhiyun .start = 0x24000000,
30*4882a593Smuzhiyun .end = 0x240000ff,
31*4882a593Smuzhiyun .flags = IORESOURCE_MEM,
32*4882a593Smuzhiyun },
33*4882a593Smuzhiyun [1] = {
34*4882a593Smuzhiyun .start = 64,
35*4882a593Smuzhiyun .end = 64,
36*4882a593Smuzhiyun .flags = IORESOURCE_IRQ,
37*4882a593Smuzhiyun },
38*4882a593Smuzhiyun };
39*4882a593Smuzhiyun
40*4882a593Smuzhiyun static struct platform_device smsc911x_device = {
41*4882a593Smuzhiyun .name = "smsc911x",
42*4882a593Smuzhiyun .id = -1,
43*4882a593Smuzhiyun .num_resources = ARRAY_SIZE(smsc911x_resources),
44*4882a593Smuzhiyun .resource = smsc911x_resources,
45*4882a593Smuzhiyun .dev = {
46*4882a593Smuzhiyun .platform_data = &smsc911x_config,
47*4882a593Smuzhiyun },
48*4882a593Smuzhiyun };
49*4882a593Smuzhiyun
50*4882a593Smuzhiyun static struct gpio_led rsk7203_gpio_leds[] = {
51*4882a593Smuzhiyun {
52*4882a593Smuzhiyun .name = "green",
53*4882a593Smuzhiyun .gpio = GPIO_PE10,
54*4882a593Smuzhiyun .active_low = 1,
55*4882a593Smuzhiyun }, {
56*4882a593Smuzhiyun .name = "orange",
57*4882a593Smuzhiyun .default_trigger = "nand-disk",
58*4882a593Smuzhiyun .gpio = GPIO_PE12,
59*4882a593Smuzhiyun .active_low = 1,
60*4882a593Smuzhiyun }, {
61*4882a593Smuzhiyun .name = "red:timer",
62*4882a593Smuzhiyun .default_trigger = "timer",
63*4882a593Smuzhiyun .gpio = GPIO_PC14,
64*4882a593Smuzhiyun .active_low = 1,
65*4882a593Smuzhiyun }, {
66*4882a593Smuzhiyun .name = "red:heartbeat",
67*4882a593Smuzhiyun .default_trigger = "heartbeat",
68*4882a593Smuzhiyun .gpio = GPIO_PE11,
69*4882a593Smuzhiyun .active_low = 1,
70*4882a593Smuzhiyun },
71*4882a593Smuzhiyun };
72*4882a593Smuzhiyun
73*4882a593Smuzhiyun static struct gpio_led_platform_data rsk7203_gpio_leds_info = {
74*4882a593Smuzhiyun .leds = rsk7203_gpio_leds,
75*4882a593Smuzhiyun .num_leds = ARRAY_SIZE(rsk7203_gpio_leds),
76*4882a593Smuzhiyun };
77*4882a593Smuzhiyun
78*4882a593Smuzhiyun static struct platform_device led_device = {
79*4882a593Smuzhiyun .name = "leds-gpio",
80*4882a593Smuzhiyun .id = -1,
81*4882a593Smuzhiyun .dev = {
82*4882a593Smuzhiyun .platform_data = &rsk7203_gpio_leds_info,
83*4882a593Smuzhiyun },
84*4882a593Smuzhiyun };
85*4882a593Smuzhiyun
86*4882a593Smuzhiyun static struct gpio_keys_button rsk7203_gpio_keys_table[] = {
87*4882a593Smuzhiyun {
88*4882a593Smuzhiyun .code = BTN_0,
89*4882a593Smuzhiyun .gpio = GPIO_PB0,
90*4882a593Smuzhiyun .active_low = 1,
91*4882a593Smuzhiyun .desc = "SW1",
92*4882a593Smuzhiyun }, {
93*4882a593Smuzhiyun .code = BTN_1,
94*4882a593Smuzhiyun .gpio = GPIO_PB1,
95*4882a593Smuzhiyun .active_low = 1,
96*4882a593Smuzhiyun .desc = "SW2",
97*4882a593Smuzhiyun }, {
98*4882a593Smuzhiyun .code = BTN_2,
99*4882a593Smuzhiyun .gpio = GPIO_PB2,
100*4882a593Smuzhiyun .active_low = 1,
101*4882a593Smuzhiyun .desc = "SW3",
102*4882a593Smuzhiyun },
103*4882a593Smuzhiyun };
104*4882a593Smuzhiyun
105*4882a593Smuzhiyun static struct gpio_keys_platform_data rsk7203_gpio_keys_info = {
106*4882a593Smuzhiyun .buttons = rsk7203_gpio_keys_table,
107*4882a593Smuzhiyun .nbuttons = ARRAY_SIZE(rsk7203_gpio_keys_table),
108*4882a593Smuzhiyun .poll_interval = 50, /* default to 50ms */
109*4882a593Smuzhiyun };
110*4882a593Smuzhiyun
111*4882a593Smuzhiyun static struct platform_device keys_device = {
112*4882a593Smuzhiyun .name = "gpio-keys-polled",
113*4882a593Smuzhiyun .dev = {
114*4882a593Smuzhiyun .platform_data = &rsk7203_gpio_keys_info,
115*4882a593Smuzhiyun },
116*4882a593Smuzhiyun };
117*4882a593Smuzhiyun
118*4882a593Smuzhiyun static struct platform_device *rsk7203_devices[] __initdata = {
119*4882a593Smuzhiyun &smsc911x_device,
120*4882a593Smuzhiyun &led_device,
121*4882a593Smuzhiyun &keys_device,
122*4882a593Smuzhiyun };
123*4882a593Smuzhiyun
rsk7203_devices_setup(void)124*4882a593Smuzhiyun static int __init rsk7203_devices_setup(void)
125*4882a593Smuzhiyun {
126*4882a593Smuzhiyun /* Select pins for SCIF0 */
127*4882a593Smuzhiyun gpio_request(GPIO_FN_TXD0, NULL);
128*4882a593Smuzhiyun gpio_request(GPIO_FN_RXD0, NULL);
129*4882a593Smuzhiyun
130*4882a593Smuzhiyun /* Setup LAN9118: CS1 in 16-bit Big Endian Mode, IRQ0 at Port B */
131*4882a593Smuzhiyun __raw_writel(0x36db0400, 0xfffc0008); /* CS1BCR */
132*4882a593Smuzhiyun gpio_request(GPIO_FN_IRQ0_PB, NULL);
133*4882a593Smuzhiyun
134*4882a593Smuzhiyun return platform_add_devices(rsk7203_devices,
135*4882a593Smuzhiyun ARRAY_SIZE(rsk7203_devices));
136*4882a593Smuzhiyun }
137*4882a593Smuzhiyun device_initcall(rsk7203_devices_setup);
138