Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
[linux-3.10.git] / arch / arm / mach-kirkwood / t5325-setup.c
1 /*
2  *
3  * HP t5325 Thin Client setup
4  *
5  * Copyright (C) 2010  Martin Michlmayr <tbm@cyrius.com>
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/spi/orion_spi.h>
20 #include <linux/i2c.h>
21 #include <linux/mv643xx_eth.h>
22 #include <linux/ata_platform.h>
23 #include <linux/gpio.h>
24 #include <linux/gpio_keys.h>
25 #include <linux/input.h>
26 #include <sound/alc5623.h>
27 #include <asm/mach-types.h>
28 #include <asm/mach/arch.h>
29 #include <mach/kirkwood.h>
30 #include "common.h"
31 #include "mpp.h"
32
33 struct mtd_partition hp_t5325_partitions[] = {
34         {
35                 .name           = "u-boot env",
36                 .size           = SZ_64K,
37                 .offset         = SZ_512K + SZ_256K,
38         },
39         {
40                 .name           = "permanent u-boot env",
41                 .size           = SZ_64K,
42                 .offset         = MTDPART_OFS_APPEND,
43                 .mask_flags     = MTD_WRITEABLE,
44         },
45         {
46                 .name           = "HP env",
47                 .size           = SZ_64K,
48                 .offset         = MTDPART_OFS_APPEND,
49         },
50         {
51                 .name           = "u-boot",
52                 .size           = SZ_512K,
53                 .offset         = 0,
54                 .mask_flags     = MTD_WRITEABLE,
55         },
56         {
57                 .name           = "SSD firmware",
58                 .size           = SZ_256K,
59                 .offset         = SZ_512K,
60         },
61 };
62
63 const struct flash_platform_data hp_t5325_flash = {
64         .type           = "mx25l8005",
65         .name           = "spi_flash",
66         .parts          = hp_t5325_partitions,
67         .nr_parts       = ARRAY_SIZE(hp_t5325_partitions),
68 };
69
70 struct spi_board_info __initdata hp_t5325_spi_slave_info[] = {
71         {
72                 .modalias       = "m25p80",
73                 .platform_data  = &hp_t5325_flash,
74                 .irq            = -1,
75         },
76 };
77
78 static struct mv643xx_eth_platform_data hp_t5325_ge00_data = {
79         .phy_addr       = MV643XX_ETH_PHY_ADDR(8),
80 };
81
82 static struct mv_sata_platform_data hp_t5325_sata_data = {
83         .n_ports        = 2,
84 };
85
86 static struct gpio_keys_button hp_t5325_buttons[] = {
87         {
88                 .code           = KEY_POWER,
89                 .gpio           = 45,
90                 .desc           = "Power",
91                 .active_low     = 1,
92         },
93 };
94
95 static struct gpio_keys_platform_data hp_t5325_button_data = {
96         .buttons        = hp_t5325_buttons,
97         .nbuttons       = ARRAY_SIZE(hp_t5325_buttons),
98 };
99
100 static struct platform_device hp_t5325_button_device = {
101         .name           = "gpio-keys",
102         .id             = -1,
103         .num_resources  = 0,
104         .dev            = {
105                 .platform_data  = &hp_t5325_button_data,
106         }
107 };
108
109 static unsigned int hp_t5325_mpp_config[] __initdata = {
110         MPP0_NF_IO2,
111         MPP1_SPI_MOSI,
112         MPP2_SPI_SCK,
113         MPP3_SPI_MISO,
114         MPP4_NF_IO6,
115         MPP5_NF_IO7,
116         MPP6_SYSRST_OUTn,
117         MPP7_SPI_SCn,
118         MPP8_TW0_SDA,
119         MPP9_TW0_SCK,
120         MPP10_UART0_TXD,
121         MPP11_UART0_RXD,
122         MPP12_SD_CLK,
123         MPP13_GPIO,
124         MPP14_GPIO,
125         MPP15_GPIO,
126         MPP16_GPIO,
127         MPP17_GPIO,
128         MPP18_NF_IO0,
129         MPP19_NF_IO1,
130         MPP20_GPIO,
131         MPP21_GPIO,
132         MPP22_GPIO,
133         MPP23_GPIO,
134         MPP32_GPIO,
135         MPP33_GE1_TXCTL,
136         MPP39_AU_I2SBCLK,
137         MPP40_AU_I2SDO,
138         MPP43_AU_I2SDI,
139         MPP41_AU_I2SLRCLK,
140         MPP42_AU_I2SMCLK,
141         MPP45_GPIO,             /* Power button */
142         MPP48_GPIO,             /* Board power off */
143         0
144 };
145
146 static struct alc5623_platform_data alc5621_data = {
147         .add_ctrl = 0x3700,
148         .jack_det_ctrl = 0x4810,
149 };
150
151 static struct i2c_board_info i2c_board_info[] __initdata = {
152         {
153                 I2C_BOARD_INFO("alc5621", 0x1a),
154                 .platform_data = &alc5621_data,
155         },
156 };
157
158 #define HP_T5325_GPIO_POWER_OFF         48
159
160 static void hp_t5325_power_off(void)
161 {
162         gpio_set_value(HP_T5325_GPIO_POWER_OFF, 1);
163 }
164
165 static void __init hp_t5325_init(void)
166 {
167         /*
168          * Basic setup. Needs to be called early.
169          */
170         kirkwood_init();
171         kirkwood_mpp_conf(hp_t5325_mpp_config);
172
173         kirkwood_uart0_init();
174         spi_register_board_info(hp_t5325_spi_slave_info,
175                                 ARRAY_SIZE(hp_t5325_spi_slave_info));
176         kirkwood_spi_init();
177         kirkwood_i2c_init();
178         kirkwood_ge00_init(&hp_t5325_ge00_data);
179         kirkwood_sata_init(&hp_t5325_sata_data);
180         kirkwood_ehci_init();
181         platform_device_register(&hp_t5325_button_device);
182
183         i2c_register_board_info(0, i2c_board_info, ARRAY_SIZE(i2c_board_info));
184         kirkwood_audio_init();
185
186         if (gpio_request(HP_T5325_GPIO_POWER_OFF, "power-off") == 0 &&
187             gpio_direction_output(HP_T5325_GPIO_POWER_OFF, 0) == 0)
188                 pm_power_off = hp_t5325_power_off;
189         else
190                 pr_err("t5325: failed to configure power-off GPIO\n");
191 }
192
193 static int __init hp_t5325_pci_init(void)
194 {
195         if (machine_is_t5325())
196                 kirkwood_pcie_init(KW_PCIE0);
197
198         return 0;
199 }
200 subsys_initcall(hp_t5325_pci_init);
201
202 MACHINE_START(T5325, "HP t5325 Thin Client")
203         /* Maintainer: Martin Michlmayr <tbm@cyrius.com> */
204         .boot_params    = 0x00000100,
205         .init_machine   = hp_t5325_init,
206         .map_io         = kirkwood_map_io,
207         .init_early     = kirkwood_init_early,
208         .init_irq       = kirkwood_init_irq,
209         .timer          = &kirkwood_timer,
210 MACHINE_END