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t5325-setup.c
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1 /*
2  *
3  * HP t5325 Thin Client setup
4  *
5  * Copyright (C) 2010 Martin Michlmayr <[email protected]>
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License
9  * as published by the Free Software Foundation; either version
10  * 2 of the License, or (at your option) any later version.
11  */
12 
13 #include <linux/kernel.h>
14 #include <linux/init.h>
15 #include <linux/platform_device.h>
16 #include <linux/mtd/physmap.h>
17 #include <linux/spi/flash.h>
18 #include <linux/spi/spi.h>
19 #include <linux/i2c.h>
20 #include <linux/mv643xx_eth.h>
21 #include <linux/ata_platform.h>
22 #include <linux/gpio.h>
23 #include <linux/gpio_keys.h>
24 #include <linux/input.h>
25 #include <sound/alc5623.h>
26 #include <asm/mach-types.h>
27 #include <asm/mach/arch.h>
28 #include <mach/kirkwood.h>
29 #include "common.h"
30 #include "mpp.h"
31 
33  {
34  .name = "u-boot env",
35  .size = SZ_64K,
36  .offset = SZ_512K + SZ_256K,
37  },
38  {
39  .name = "permanent u-boot env",
40  .size = SZ_64K,
41  .offset = MTDPART_OFS_APPEND,
42  .mask_flags = MTD_WRITEABLE,
43  },
44  {
45  .name = "HP env",
46  .size = SZ_64K,
47  .offset = MTDPART_OFS_APPEND,
48  },
49  {
50  .name = "u-boot",
51  .size = SZ_512K,
52  .offset = 0,
53  .mask_flags = MTD_WRITEABLE,
54  },
55  {
56  .name = "SSD firmware",
57  .size = SZ_256K,
58  .offset = SZ_512K,
59  },
60 };
61 
63  .type = "mx25l8005",
64  .name = "spi_flash",
65  .parts = hp_t5325_partitions,
66  .nr_parts = ARRAY_SIZE(hp_t5325_partitions),
67 };
68 
70  {
71  .modalias = "m25p80",
72  .platform_data = &hp_t5325_flash,
73  .irq = -1,
74  },
75 };
76 
77 static struct mv643xx_eth_platform_data hp_t5325_ge00_data = {
78  .phy_addr = MV643XX_ETH_PHY_ADDR(8),
79 };
80 
81 static struct mv_sata_platform_data hp_t5325_sata_data = {
82  .n_ports = 2,
83 };
84 
85 static struct gpio_keys_button hp_t5325_buttons[] = {
86  {
87  .code = KEY_POWER,
88  .gpio = 45,
89  .desc = "Power",
90  .active_low = 1,
91  },
92 };
93 
94 static struct gpio_keys_platform_data hp_t5325_button_data = {
95  .buttons = hp_t5325_buttons,
96  .nbuttons = ARRAY_SIZE(hp_t5325_buttons),
97 };
98 
99 static struct platform_device hp_t5325_button_device = {
100  .name = "gpio-keys",
101  .id = -1,
102  .num_resources = 0,
103  .dev = {
104  .platform_data = &hp_t5325_button_data,
105  }
106 };
107 
108 static struct platform_device hp_t5325_audio_device = {
109  .name = "t5325-audio",
110  .id = -1,
111 };
112 
113 static unsigned int hp_t5325_mpp_config[] __initdata = {
114  MPP0_NF_IO2,
116  MPP2_SPI_SCK,
118  MPP4_NF_IO6,
119  MPP5_NF_IO7,
121  MPP7_SPI_SCn,
122  MPP8_TW0_SDA,
123  MPP9_TW0_SCK,
126  MPP12_SD_CLK,
127  MPP13_GPIO,
128  MPP14_GPIO,
129  MPP15_GPIO,
130  MPP16_GPIO,
131  MPP17_GPIO,
132  MPP18_NF_IO0,
133  MPP19_NF_IO1,
134  MPP20_GPIO,
135  MPP21_GPIO,
136  MPP22_GPIO,
137  MPP23_GPIO,
138  MPP32_GPIO,
145  MPP45_GPIO, /* Power button */
146  MPP48_GPIO, /* Board power off */
147  0
148 };
149 
150 static struct alc5623_platform_data alc5621_data = {
151  .add_ctrl = 0x3700,
152  .jack_det_ctrl = 0x4810,
153 };
154 
155 static struct i2c_board_info i2c_board_info[] __initdata = {
156  {
157  I2C_BOARD_INFO("alc5621", 0x1a),
158  .platform_data = &alc5621_data,
159  },
160 };
161 
162 #define HP_T5325_GPIO_POWER_OFF 48
163 
164 static void hp_t5325_power_off(void)
165 {
167 }
168 
169 static void __init hp_t5325_init(void)
170 {
171  /*
172  * Basic setup. Needs to be called early.
173  */
174  kirkwood_init();
175  kirkwood_mpp_conf(hp_t5325_mpp_config);
176 
178  spi_register_board_info(hp_t5325_spi_slave_info,
179  ARRAY_SIZE(hp_t5325_spi_slave_info));
182  kirkwood_ge00_init(&hp_t5325_ge00_data);
183  kirkwood_sata_init(&hp_t5325_sata_data);
185  platform_device_register(&hp_t5325_button_device);
186  platform_device_register(&hp_t5325_audio_device);
187 
190 
191  if (gpio_request(HP_T5325_GPIO_POWER_OFF, "power-off") == 0 &&
193  pm_power_off = hp_t5325_power_off;
194  else
195  pr_err("t5325: failed to configure power-off GPIO\n");
196 }
197 
198 static int __init hp_t5325_pci_init(void)
199 {
200  if (machine_is_t5325())
202 
203  return 0;
204 }
205 subsys_initcall(hp_t5325_pci_init);
206 
207 MACHINE_START(T5325, "HP t5325 Thin Client")
208  /* Maintainer: Martin Michlmayr <[email protected]> */
209  .atag_offset = 0x100,
210  .init_machine = hp_t5325_init,
211  .map_io = kirkwood_map_io,
212  .init_early = kirkwood_init_early,
213  .init_irq = kirkwood_init_irq,
214  .timer = &kirkwood_timer,
215  .restart = kirkwood_restart,