board-harmony.c revision b61cafee2e0b1c83f99be07d7aef6331b5e9f25d 
1/*
2 * arch/arm/mach-tegra/board-harmony.c
3 *
4 * Copyright (C) 2010 Google, Inc.
5 * Copyright (C) 2011 NVIDIA, Inc.
6 *
7 * This software is licensed under the terms of the GNU General Public
8 * License version 2, as published by the Free Software Foundation, and
9 * may be copied, distributed, and modified under those terms.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 * GNU General Public License for more details.
15 *
16 */
17
18#include <linux/kernel.h>
19#include <linux/init.h>
20#include <linux/platform_device.h>
21#include <linux/serial_8250.h>
22#include <linux/clk.h>
23#include <linux/dma-mapping.h>
24#include <linux/pda_power.h>
25#include <linux/io.h>
26#include <linux/gpio.h>
27#include <linux/i2c.h>
28
29#include <sound/wm8903.h>
30
31#include <asm/mach-types.h>
32#include <asm/mach/arch.h>
33#include <asm/mach/time.h>
34#include <asm/setup.h>
35
36#include <mach/tegra_wm8903_pdata.h>
37#include <mach/iomap.h>
38#include <mach/irqs.h>
39#include <mach/sdhci.h>
40
41#include "board.h"
42#include "board-harmony.h"
43#include "clock.h"
44#include "devices.h"
45#include "gpio-names.h"
46
47static struct plat_serial8250_port debug_uart_platform_data[] = {
48	{
49		.membase	= IO_ADDRESS(TEGRA_UARTD_BASE),
50		.mapbase	= TEGRA_UARTD_BASE,
51		.irq		= INT_UARTD,
52		.flags		= UPF_BOOT_AUTOCONF,
53		.iotype		= UPIO_MEM,
54		.regshift	= 2,
55		.uartclk	= 216000000,
56	}, {
57		.flags		= 0
58	}
59};
60
61static struct platform_device debug_uart = {
62	.name = "serial8250",
63	.id = PLAT8250_DEV_PLATFORM,
64	.dev = {
65		.platform_data = debug_uart_platform_data,
66	},
67};
68
69static struct tegra_wm8903_platform_data harmony_audio_pdata = {
70	.gpio_spkr_en		= TEGRA_GPIO_SPKR_EN,
71	.gpio_hp_det		= TEGRA_GPIO_HP_DET,
72	.gpio_hp_mute		= -1,
73	.gpio_int_mic_en	= TEGRA_GPIO_INT_MIC_EN,
74	.gpio_ext_mic_en	= TEGRA_GPIO_EXT_MIC_EN,
75};
76
77static struct platform_device harmony_audio_device = {
78	.name	= "tegra-snd-wm8903",
79	.id	= 0,
80	.dev	= {
81		.platform_data  = &harmony_audio_pdata,
82	},
83};
84
85static struct wm8903_platform_data harmony_wm8903_pdata = {
86	.irq_active_low = 0,
87	.micdet_cfg = 0,
88	.micdet_delay = 100,
89	.gpio_base = HARMONY_GPIO_WM8903(0),
90	.gpio_cfg = {
91		WM8903_GPIO_NO_CONFIG,
92		WM8903_GPIO_NO_CONFIG,
93		0,
94		WM8903_GPIO_NO_CONFIG,
95		WM8903_GPIO_NO_CONFIG,
96	},
97};
98
99static struct i2c_board_info __initdata wm8903_board_info = {
100	I2C_BOARD_INFO("wm8903", 0x1a),
101	.platform_data = &harmony_wm8903_pdata,
102	.irq = TEGRA_GPIO_TO_IRQ(TEGRA_GPIO_CDC_IRQ),
103};
104
105static void __init harmony_i2c_init(void)
106{
107	platform_device_register(&tegra_i2c_device1);
108	platform_device_register(&tegra_i2c_device2);
109	platform_device_register(&tegra_i2c_device3);
110	platform_device_register(&tegra_i2c_device4);
111
112	i2c_register_board_info(0, &wm8903_board_info, 1);
113}
114
115static struct platform_device *harmony_devices[] __initdata = {
116	&debug_uart,
117	&tegra_sdhci_device1,
118	&tegra_sdhci_device2,
119	&tegra_sdhci_device4,
120	&tegra_i2s_device1,
121	&tegra_das_device,
122	&tegra_pcm_device,
123	&harmony_audio_device,
124};
125
126static void __init tegra_harmony_fixup(struct machine_desc *desc,
127	struct tag *tags, char **cmdline, struct meminfo *mi)
128{
129	mi->nr_banks = 2;
130	mi->bank[0].start = PHYS_OFFSET;
131	mi->bank[0].size = 448 * SZ_1M;
132	mi->bank[1].start = SZ_512M;
133	mi->bank[1].size = SZ_512M;
134}
135
136static __initdata struct tegra_clk_init_table harmony_clk_init_table[] = {
137	/* name		parent		rate		enabled */
138	{ "uartd",	"pll_p",	216000000,	true },
139	{ "pll_a",	"pll_p_out1",	56448000,	true },
140	{ "pll_a_out0",	"pll_a",	11289600,	true },
141	{ "cdev1",	NULL,		0,		true },
142	{ "i2s1",	"pll_a_out0",	11289600,	false},
143	{ NULL,		NULL,		0,		0},
144};
145
146
147static struct tegra_sdhci_platform_data sdhci_pdata1 = {
148	.cd_gpio	= -1,
149	.wp_gpio	= -1,
150	.power_gpio	= -1,
151};
152
153static struct tegra_sdhci_platform_data sdhci_pdata2 = {
154	.cd_gpio	= TEGRA_GPIO_SD2_CD,
155	.wp_gpio	= TEGRA_GPIO_SD2_WP,
156	.power_gpio	= TEGRA_GPIO_SD2_POWER,
157};
158
159static struct tegra_sdhci_platform_data sdhci_pdata4 = {
160	.cd_gpio	= TEGRA_GPIO_SD4_CD,
161	.wp_gpio	= TEGRA_GPIO_SD4_WP,
162	.power_gpio	= TEGRA_GPIO_SD4_POWER,
163	.is_8bit	= 1,
164};
165
166static void __init tegra_harmony_init(void)
167{
168	tegra_clk_init_from_table(harmony_clk_init_table);
169
170	harmony_pinmux_init();
171
172	tegra_sdhci_device1.dev.platform_data = &sdhci_pdata1;
173	tegra_sdhci_device2.dev.platform_data = &sdhci_pdata2;
174	tegra_sdhci_device4.dev.platform_data = &sdhci_pdata4;
175
176	platform_add_devices(harmony_devices, ARRAY_SIZE(harmony_devices));
177	harmony_i2c_init();
178	harmony_regulator_init();
179}
180
181MACHINE_START(HARMONY, "harmony")
182	.atag_offset	= 0x100,
183	.fixup		= tegra_harmony_fixup,
184	.map_io         = tegra_map_common_io,
185	.init_early	= tegra_init_early,
186	.init_irq       = tegra_init_irq,
187	.timer          = &tegra_timer,
188	.init_machine   = tegra_harmony_init,
189MACHINE_END
190