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ARM: mach-shmobile: Kota2 GPIO Keys support
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / arch / arm / mach-shmobile / board-kota2.c
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28626632
MD		 1/*
2 * kota2 board support
3 *
4 * Copyright (C) 2011 Renesas Solutions Corp.
5 * Copyright (C) 2011 Magnus Damm
6 * Copyright (C) 2010 Takashi Yoshii <yoshii.takashi.zj@renesas.com>
7 * Copyright (C) 2009 Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; version 2 of the License.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21 */
22
23#include <linux/kernel.h>
24#include <linux/init.h>
25#include <linux/interrupt.h>
26#include <linux/irq.h>
27#include <linux/platform_device.h>
28#include <linux/delay.h>
29#include <linux/io.h>
30#include <linux/smsc911x.h>
31#include <linux/gpio.h>
ef4f994a
MD		 32#include <linux/input.h>
33#include <linux/input/sh_keysc.h>
6b7c0ea2 34#include <linux/gpio_keys.h>
28626632
MD		 35#include <mach/hardware.h>
36#include <mach/sh73a0.h>
37#include <mach/common.h>
38#include <asm/mach-types.h>
39#include <asm/mach/arch.h>
40#include <asm/mach/map.h>
41#include <asm/mach/time.h>
42#include <asm/hardware/gic.h>
43#include <asm/hardware/cache-l2x0.h>
44#include <asm/traps.h>
45
46static struct resource smsc9220_resources[] = {
47 [0] = {
48 .start = 0x14000000, /* CS5A */
49 .end = 0x140000ff, /* A1->A7 */
50 .flags = IORESOURCE_MEM,
51 },
52 [1] = {
53 .start = gic_spi(33), /* PINTA2 @ PORT144 */
54 .flags = IORESOURCE_IRQ,
55 },
56};
57
58static struct smsc911x_platform_config smsc9220_platdata = {
59 .flags = SMSC911X_USE_32BIT, /* 32-bit SW on 16-bit HW bus */
60 .phy_interface = PHY_INTERFACE_MODE_MII,
61 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
62 .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
63};
64
65static struct platform_device eth_device = {
66 .name = "smsc911x",
67 .id = 0,
68 .dev = {
69 .platform_data = &smsc9220_platdata,
70 },
71 .resource = smsc9220_resources,
72 .num_resources = ARRAY_SIZE(smsc9220_resources),
73};
74
ef4f994a
MD		 75static struct sh_keysc_info keysc_platdata = {
76 .mode = SH_KEYSC_MODE_6,
77 .scan_timing = 3,
78 .delay = 100,
79 .keycodes = {
80 KEY_NUMERIC_STAR, KEY_NUMERIC_0, KEY_NUMERIC_POUND,
81 0, 0, 0, 0, 0,
82 KEY_NUMERIC_7, KEY_NUMERIC_8, KEY_NUMERIC_9,
83 0, KEY_DOWN, 0, 0, 0,
84 KEY_NUMERIC_4, KEY_NUMERIC_5, KEY_NUMERIC_6,
85 KEY_LEFT, KEY_ENTER, KEY_RIGHT, 0, 0,
86 KEY_NUMERIC_1, KEY_NUMERIC_2, KEY_NUMERIC_3,
87 0, KEY_UP, 0, 0, 0,
88 0, 0, 0, 0, 0, 0, 0, 0,
89 0, 0, 0, 0, 0, 0, 0, 0,
90 0, 0, 0, 0, 0, 0, 0, 0,
91 0, 0, 0, 0, 0, 0, 0, 0,
92 },
93};
94
95static struct resource keysc_resources[] = {
96 [0] = {
97 .name = "KEYSC",
98 .start = 0xe61b0000,
99 .end = 0xe61b0098 - 1,
100 .flags = IORESOURCE_MEM,
101 },
102 [1] = {
103 .start = gic_spi(71),
104 .flags = IORESOURCE_IRQ,
105 },
106};
107
108static struct platform_device keysc_device = {
109 .name = "sh_keysc",
110 .id = 0,
111 .num_resources = ARRAY_SIZE(keysc_resources),
112 .resource = keysc_resources,
113 .dev = {
114 .platform_data = &keysc_platdata,
115 },
116};
117
6b7c0ea2
MD		 118#define GPIO_KEY(c, g, d) { .code = c, .gpio = g, .desc = d, .active_low = 1 }
119
120static struct gpio_keys_button gpio_buttons[] = {
121 GPIO_KEY(KEY_VOLUMEUP, GPIO_PORT56, "+"), /* S2: VOL+ [IRQ9] */
122 GPIO_KEY(KEY_VOLUMEDOWN, GPIO_PORT54, "-"), /* S3: VOL- [IRQ10] */
123 GPIO_KEY(KEY_MENU, GPIO_PORT27, "Menu"), /* S4: MENU [IRQ30] */
124 GPIO_KEY(KEY_HOMEPAGE, GPIO_PORT26, "Home"), /* S5: HOME [IRQ31] */
125 GPIO_KEY(KEY_BACK, GPIO_PORT11, "Back"), /* S6: BACK [IRQ0] */
126 GPIO_KEY(KEY_PHONE, GPIO_PORT238, "Tel"), /* S7: TEL [IRQ11] */
127 GPIO_KEY(KEY_POWER, GPIO_PORT239, "C1"), /* S8: CAM [IRQ13] */
128 GPIO_KEY(KEY_MAIL, GPIO_PORT224, "Mail"), /* S9: MAIL [IRQ3] */
129 /* Omitted button "C3?": GPIO_PORT223 - S10: CUST [IRQ8] */
130 GPIO_KEY(KEY_CAMERA, GPIO_PORT164, "C2"), /* S11: CAM_HALF [IRQ25] */
131 /* Omitted button "?": GPIO_PORT152 - S12: CAM_FULL [No IRQ] */
132};
133
134static struct gpio_keys_platform_data gpio_key_info = {
135 .buttons = gpio_buttons,
136 .nbuttons = ARRAY_SIZE(gpio_buttons),
137 .poll_interval = 250, /* polled for now */
138};
139
140static struct platform_device gpio_keys_device = {
141 .name = "gpio-keys-polled", /* polled for now */
142 .id = -1,
143 .dev = {
144 .platform_data = &gpio_key_info,
145 },
146};
147
28626632
MD		 148static struct platform_device *kota2_devices[] __initdata = {
149 &eth_device,
ef4f994a 150 &keysc_device,
6b7c0ea2 151 &gpio_keys_device,
28626632
MD		 152};
153
154static struct map_desc kota2_io_desc[] __initdata = {
155 /* create a 1:1 entity map for 0xe6xxxxxx
156 * used by CPGA, INTC and PFC.
157 */
158 {
159 .virtual = 0xe6000000,
160 .pfn = __phys_to_pfn(0xe6000000),
161 .length = 256 << 20,
162 .type = MT_DEVICE_NONSHARED
163 },
164};
165
166static void __init kota2_map_io(void)
167{
168 iotable_init(kota2_io_desc, ARRAY_SIZE(kota2_io_desc));
169
170 /* setup early devices and console here as well */
171 sh73a0_add_early_devices();
172 shmobile_setup_console();
173}
174
175#define PINTER0A 0xe69000a0
176#define PINTCR0A 0xe69000b0
177
178void __init kota2_init_irq(void)
179{
180 sh73a0_init_irq();
181
182 /* setup PINT: enable PINTA2 as active low */
183 __raw_writel(1 << 29, PINTER0A);
184 __raw_writew(2 << 10, PINTCR0A);
185}
186
187static void __init kota2_init(void)
188{
189 sh73a0_pinmux_init();
190
191 /* SCIFA2 (UART2) */
192 gpio_request(GPIO_FN_SCIFA2_TXD1, NULL);
193 gpio_request(GPIO_FN_SCIFA2_RXD1, NULL);
194 gpio_request(GPIO_FN_SCIFA2_RTS1_, NULL);
195 gpio_request(GPIO_FN_SCIFA2_CTS1_, NULL);
196
197 /* SMSC911X */
198 gpio_request(GPIO_FN_D0_NAF0, NULL);
199 gpio_request(GPIO_FN_D1_NAF1, NULL);
200 gpio_request(GPIO_FN_D2_NAF2, NULL);
201 gpio_request(GPIO_FN_D3_NAF3, NULL);
202 gpio_request(GPIO_FN_D4_NAF4, NULL);
203 gpio_request(GPIO_FN_D5_NAF5, NULL);
204 gpio_request(GPIO_FN_D6_NAF6, NULL);
205 gpio_request(GPIO_FN_D7_NAF7, NULL);
206 gpio_request(GPIO_FN_D8_NAF8, NULL);
207 gpio_request(GPIO_FN_D9_NAF9, NULL);
208 gpio_request(GPIO_FN_D10_NAF10, NULL);
209 gpio_request(GPIO_FN_D11_NAF11, NULL);
210 gpio_request(GPIO_FN_D12_NAF12, NULL);
211 gpio_request(GPIO_FN_D13_NAF13, NULL);
212 gpio_request(GPIO_FN_D14_NAF14, NULL);
213 gpio_request(GPIO_FN_D15_NAF15, NULL);
214 gpio_request(GPIO_FN_CS5A_, NULL);
215 gpio_request(GPIO_FN_WE0__FWE, NULL);
216 gpio_request(GPIO_PORT144, NULL); /* PINTA2 */
217 gpio_direction_input(GPIO_PORT144);
218 gpio_request(GPIO_PORT145, NULL); /* RESET */
219 gpio_direction_output(GPIO_PORT145, 1);
220
ef4f994a
MD		 221 /* KEYSC */
222 gpio_request(GPIO_FN_KEYIN0_PU, NULL);
223 gpio_request(GPIO_FN_KEYIN1_PU, NULL);
224 gpio_request(GPIO_FN_KEYIN2_PU, NULL);
225 gpio_request(GPIO_FN_KEYIN3_PU, NULL);
226 gpio_request(GPIO_FN_KEYIN4_PU, NULL);
227 gpio_request(GPIO_FN_KEYIN5_PU, NULL);
228 gpio_request(GPIO_FN_KEYIN6_PU, NULL);
229 gpio_request(GPIO_FN_KEYIN7_PU, NULL);
230 gpio_request(GPIO_FN_KEYOUT0, NULL);
231 gpio_request(GPIO_FN_KEYOUT1, NULL);
232 gpio_request(GPIO_FN_KEYOUT2, NULL);
233 gpio_request(GPIO_FN_KEYOUT3, NULL);
234 gpio_request(GPIO_FN_KEYOUT4, NULL);
235 gpio_request(GPIO_FN_KEYOUT5, NULL);
236 gpio_request(GPIO_FN_PORT59_KEYOUT6, NULL);
237 gpio_request(GPIO_FN_PORT58_KEYOUT7, NULL);
238 gpio_request(GPIO_FN_KEYOUT8, NULL);
239
28626632
MD		 240#ifdef CONFIG_CACHE_L2X0
241 /* Early BRESP enable, Shared attribute override enable, 64K*8way */
242 l2x0_init(__io(0xf0100000), 0x40460000, 0x82000fff);
243#endif
244 sh73a0_add_standard_devices();
245 platform_add_devices(kota2_devices, ARRAY_SIZE(kota2_devices));
246}
247
248static void __init kota2_timer_init(void)
249{
250 sh73a0_clock_init();
251 shmobile_timer.init();
252 return;
253}
254
255struct sys_timer kota2_timer = {
256 .init = kota2_timer_init,
257};
258
259MACHINE_START(KOTA2, "kota2")
260 .map_io = kota2_map_io,
261 .init_irq = kota2_init_irq,
262 .handle_irq = shmobile_handle_irq_gic,
263 .init_machine = kota2_init,
264 .timer = &kota2_timer,
265MACHINE_END
kernel source for telekom puls (alcatel/mediatek)