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cca414b2 MR |
1 | /* |
2 | * arch/arm/mach-tegra/board-trimslice.c | |
3 | * | |
4 | * Copyright (C) 2011 CompuLab, Ltd. | |
5 | * Author: Mike Rapoport <mike@compulab.co.il> | |
6 | * | |
7 | * Based on board-harmony.c | |
8 | * Copyright (C) 2010 Google, Inc. | |
9 | * | |
10 | * This software is licensed under the terms of the GNU General Public | |
11 | * License version 2, as published by the Free Software Foundation, and | |
12 | * may be copied, distributed, and modified under those terms. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | */ | |
20 | ||
21 | #include <linux/kernel.h> | |
22 | #include <linux/init.h> | |
23 | #include <linux/platform_device.h> | |
24 | #include <linux/serial_8250.h> | |
25 | #include <linux/io.h> | |
bea2d6b8 | 26 | #include <linux/i2c.h> |
4c755997 | 27 | #include <linux/gpio.h> |
cca414b2 MR |
28 | |
29 | #include <asm/mach-types.h> | |
30 | #include <asm/mach/arch.h> | |
31 | #include <asm/setup.h> | |
32 | ||
33 | #include <mach/iomap.h> | |
f02726a7 | 34 | #include <mach/sdhci.h> |
4c755997 | 35 | #include <mach/gpio.h> |
cca414b2 MR |
36 | |
37 | #include "board.h" | |
38 | #include "clock.h" | |
f02726a7 MR |
39 | #include "devices.h" |
40 | #include "gpio-names.h" | |
cca414b2 MR |
41 | |
42 | #include "board-trimslice.h" | |
43 | ||
44 | static struct plat_serial8250_port debug_uart_platform_data[] = { | |
45 | { | |
46 | .membase = IO_ADDRESS(TEGRA_UARTA_BASE), | |
47 | .mapbase = TEGRA_UARTA_BASE, | |
48 | .irq = INT_UARTA, | |
49 | .flags = UPF_BOOT_AUTOCONF, | |
50 | .iotype = UPIO_MEM, | |
51 | .regshift = 2, | |
52 | .uartclk = 216000000, | |
53 | }, { | |
54 | .flags = 0 | |
55 | } | |
56 | }; | |
57 | ||
58 | static struct platform_device debug_uart = { | |
59 | .name = "serial8250", | |
60 | .id = PLAT8250_DEV_PLATFORM, | |
61 | .dev = { | |
62 | .platform_data = debug_uart_platform_data, | |
63 | }, | |
64 | }; | |
f02726a7 MR |
65 | static struct tegra_sdhci_platform_data sdhci_pdata1 = { |
66 | .cd_gpio = -1, | |
67 | .wp_gpio = -1, | |
68 | .power_gpio = -1, | |
69 | }; | |
70 | ||
71 | static struct tegra_sdhci_platform_data sdhci_pdata4 = { | |
72 | .cd_gpio = TRIMSLICE_GPIO_SD4_CD, | |
73 | .wp_gpio = TRIMSLICE_GPIO_SD4_WP, | |
74 | .power_gpio = -1, | |
75 | }; | |
cca414b2 | 76 | |
9504940a MR |
77 | static struct platform_device trimslice_audio_device = { |
78 | .name = "tegra-snd-trimslice", | |
79 | .id = 0, | |
80 | }; | |
81 | ||
cca414b2 MR |
82 | static struct platform_device *trimslice_devices[] __initdata = { |
83 | &debug_uart, | |
f02726a7 MR |
84 | &tegra_sdhci_device1, |
85 | &tegra_sdhci_device4, | |
9504940a MR |
86 | &tegra_i2s_device1, |
87 | &tegra_das_device, | |
88 | &tegra_pcm_device, | |
89 | &trimslice_audio_device, | |
cca414b2 MR |
90 | }; |
91 | ||
bea2d6b8 MR |
92 | static struct i2c_board_info trimslice_i2c3_board_info[] = { |
93 | { | |
94 | I2C_BOARD_INFO("tlv320aic23", 0x1a), | |
95 | }, | |
96 | { | |
97 | I2C_BOARD_INFO("em3027", 0x56), | |
98 | }, | |
99 | }; | |
100 | ||
101 | static void trimslice_i2c_init(void) | |
102 | { | |
bea2d6b8 MR |
103 | platform_device_register(&tegra_i2c_device1); |
104 | platform_device_register(&tegra_i2c_device2); | |
105 | platform_device_register(&tegra_i2c_device3); | |
106 | ||
107 | i2c_register_board_info(2, trimslice_i2c3_board_info, | |
108 | ARRAY_SIZE(trimslice_i2c3_board_info)); | |
109 | } | |
110 | ||
4c755997 MR |
111 | static void trimslice_usb_init(void) |
112 | { | |
113 | int err; | |
114 | ||
4c755997 MR |
115 | platform_device_register(&tegra_ehci3_device); |
116 | ||
4c755997 MR |
117 | platform_device_register(&tegra_ehci2_device); |
118 | ||
119 | err = gpio_request_one(TRIMSLICE_GPIO_USB1_MODE, GPIOF_OUT_INIT_HIGH, | |
120 | "usb1mode"); | |
121 | if (err) { | |
122 | pr_err("TrimSlice: failed to obtain USB1 mode gpio: %d\n", err); | |
123 | return; | |
124 | } | |
125 | ||
4c755997 MR |
126 | platform_device_register(&tegra_ehci1_device); |
127 | } | |
128 | ||
cca414b2 MR |
129 | static void __init tegra_trimslice_fixup(struct machine_desc *desc, |
130 | struct tag *tags, char **cmdline, struct meminfo *mi) | |
131 | { | |
132 | mi->nr_banks = 2; | |
133 | mi->bank[0].start = PHYS_OFFSET; | |
134 | mi->bank[0].size = 448 * SZ_1M; | |
135 | mi->bank[1].start = SZ_512M; | |
136 | mi->bank[1].size = SZ_512M; | |
137 | } | |
138 | ||
139 | static __initdata struct tegra_clk_init_table trimslice_clk_init_table[] = { | |
140 | /* name parent rate enabled */ | |
141 | { "uarta", "pll_p", 216000000, true }, | |
9504940a MR |
142 | { "pll_a", "pll_p_out1", 56448000, true }, |
143 | { "pll_a_out0", "pll_a", 11289600, true }, | |
144 | { "cdev1", NULL, 0, true }, | |
145 | { "i2s1", "pll_a_out0", 11289600, false}, | |
cca414b2 MR |
146 | { NULL, NULL, 0, 0}, |
147 | }; | |
148 | ||
149 | static int __init tegra_trimslice_pci_init(void) | |
150 | { | |
d5fdafd3 MR |
151 | if (!machine_is_trimslice()) |
152 | return 0; | |
153 | ||
cca414b2 MR |
154 | return tegra_pcie_init(true, true); |
155 | } | |
156 | subsys_initcall(tegra_trimslice_pci_init); | |
157 | ||
158 | static void __init tegra_trimslice_init(void) | |
159 | { | |
cca414b2 MR |
160 | tegra_clk_init_from_table(trimslice_clk_init_table); |
161 | ||
162 | trimslice_pinmux_init(); | |
163 | ||
f02726a7 MR |
164 | tegra_sdhci_device1.dev.platform_data = &sdhci_pdata1; |
165 | tegra_sdhci_device4.dev.platform_data = &sdhci_pdata4; | |
166 | ||
cca414b2 | 167 | platform_add_devices(trimslice_devices, ARRAY_SIZE(trimslice_devices)); |
bea2d6b8 MR |
168 | |
169 | trimslice_i2c_init(); | |
4c755997 | 170 | trimslice_usb_init(); |
cca414b2 MR |
171 | } |
172 | ||
173 | MACHINE_START(TRIMSLICE, "trimslice") | |
174 | .boot_params = 0x00000100, | |
175 | .fixup = tegra_trimslice_fixup, | |
cca414b2 | 176 | .map_io = tegra_map_common_io, |
0cf6230a CC |
177 | .init_early = tegra_init_early, |
178 | .init_irq = tegra_init_irq, | |
cca414b2 | 179 | .timer = &tegra_timer, |
0cf6230a | 180 | .init_machine = tegra_trimslice_init, |
cca414b2 | 181 | MACHINE_END |