Merge remote-tracking branch 'asoc/fix/wm0010' into asoc-linus
[firefly-linux-kernel-4.4.55.git] / arch / arm / mach-mmp / brownstone.c
1 /*
2  *  linux/arch/arm/mach-mmp/brownstone.c
3  *
4  *  Support for the Marvell Brownstone Development Platform.
5  *
6  *  Copyright (C) 2009-2010 Marvell International Ltd.
7  *
8  *  This program is free software; you can redistribute it and/or modify
9  *  it under the terms of the GNU General Public License version 2 as
10  *  publishhed by the Free Software Foundation.
11  */
12
13 #include <linux/init.h>
14 #include <linux/kernel.h>
15 #include <linux/platform_device.h>
16 #include <linux/io.h>
17 #include <linux/gpio-pxa.h>
18 #include <linux/regulator/machine.h>
19 #include <linux/regulator/max8649.h>
20 #include <linux/regulator/fixed.h>
21 #include <linux/mfd/max8925.h>
22
23 #include <asm/mach-types.h>
24 #include <asm/mach/arch.h>
25 #include <mach/addr-map.h>
26 #include <mach/mfp-mmp2.h>
27 #include <mach/mmp2.h>
28 #include <mach/irqs.h>
29
30 #include "common.h"
31
32 #define BROWNSTONE_NR_IRQS      (MMP_NR_IRQS + 40)
33
34 #define GPIO_5V_ENABLE          (89)
35
36 static unsigned long brownstone_pin_config[] __initdata = {
37         /* UART1 */
38         GPIO29_UART1_RXD,
39         GPIO30_UART1_TXD,
40
41         /* UART3 */
42         GPIO51_UART3_RXD,
43         GPIO52_UART3_TXD,
44
45         /* DFI */
46         GPIO168_DFI_D0,
47         GPIO167_DFI_D1,
48         GPIO166_DFI_D2,
49         GPIO165_DFI_D3,
50         GPIO107_DFI_D4,
51         GPIO106_DFI_D5,
52         GPIO105_DFI_D6,
53         GPIO104_DFI_D7,
54         GPIO111_DFI_D8,
55         GPIO164_DFI_D9,
56         GPIO163_DFI_D10,
57         GPIO162_DFI_D11,
58         GPIO161_DFI_D12,
59         GPIO110_DFI_D13,
60         GPIO109_DFI_D14,
61         GPIO108_DFI_D15,
62         GPIO143_ND_nCS0,
63         GPIO144_ND_nCS1,
64         GPIO147_ND_nWE,
65         GPIO148_ND_nRE,
66         GPIO150_ND_ALE,
67         GPIO149_ND_CLE,
68         GPIO112_ND_RDY0,
69         GPIO160_ND_RDY1,
70
71         /* PMIC */
72         PMIC_PMIC_INT | MFP_LPM_EDGE_FALL,
73
74         /* MMC0 */
75         GPIO131_MMC1_DAT3 | MFP_PULL_HIGH,
76         GPIO132_MMC1_DAT2 | MFP_PULL_HIGH,
77         GPIO133_MMC1_DAT1 | MFP_PULL_HIGH,
78         GPIO134_MMC1_DAT0 | MFP_PULL_HIGH,
79         GPIO136_MMC1_CMD | MFP_PULL_HIGH,
80         GPIO139_MMC1_CLK,
81         GPIO140_MMC1_CD | MFP_PULL_LOW,
82         GPIO141_MMC1_WP | MFP_PULL_LOW,
83
84         /* MMC1 */
85         GPIO37_MMC2_DAT3 | MFP_PULL_HIGH,
86         GPIO38_MMC2_DAT2 | MFP_PULL_HIGH,
87         GPIO39_MMC2_DAT1 | MFP_PULL_HIGH,
88         GPIO40_MMC2_DAT0 | MFP_PULL_HIGH,
89         GPIO41_MMC2_CMD | MFP_PULL_HIGH,
90         GPIO42_MMC2_CLK,
91
92         /* MMC2 */
93         GPIO165_MMC3_DAT7 | MFP_PULL_HIGH,
94         GPIO162_MMC3_DAT6 | MFP_PULL_HIGH,
95         GPIO166_MMC3_DAT5 | MFP_PULL_HIGH,
96         GPIO163_MMC3_DAT4 | MFP_PULL_HIGH,
97         GPIO167_MMC3_DAT3 | MFP_PULL_HIGH,
98         GPIO164_MMC3_DAT2 | MFP_PULL_HIGH,
99         GPIO168_MMC3_DAT1 | MFP_PULL_HIGH,
100         GPIO111_MMC3_DAT0 | MFP_PULL_HIGH,
101         GPIO112_MMC3_CMD | MFP_PULL_HIGH,
102         GPIO151_MMC3_CLK,
103
104         /* 5V regulator */
105         GPIO89_GPIO,
106 };
107
108 static struct pxa_gpio_platform_data mmp2_gpio_pdata = {
109         .irq_base       = MMP_GPIO_TO_IRQ(0),
110 };
111
112 static struct regulator_consumer_supply max8649_supply[] = {
113         REGULATOR_SUPPLY("vcc_core", NULL),
114 };
115
116 static struct regulator_init_data max8649_init_data = {
117         .constraints    = {
118                 .name           = "vcc_core range",
119                 .min_uV         = 1150000,
120                 .max_uV         = 1280000,
121                 .always_on      = 1,
122                 .boot_on        = 1,
123                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
124         },
125         .num_consumer_supplies  = 1,
126         .consumer_supplies      = &max8649_supply[0],
127 };
128
129 static struct max8649_platform_data brownstone_max8649_info = {
130         .mode           = 2,    /* VID1 = 1, VID0 = 0 */
131         .extclk         = 0,
132         .ramp_timing    = MAX8649_RAMP_32MV,
133         .regulator      = &max8649_init_data,
134 };
135
136 static struct regulator_consumer_supply brownstone_v_5vp_supplies[] = {
137         REGULATOR_SUPPLY("v_5vp", NULL),
138 };
139
140 static struct regulator_init_data brownstone_v_5vp_data = {
141         .constraints    = {
142                 .valid_ops_mask         = REGULATOR_CHANGE_STATUS,
143         },
144         .num_consumer_supplies  = ARRAY_SIZE(brownstone_v_5vp_supplies),
145         .consumer_supplies      = brownstone_v_5vp_supplies,
146 };
147
148 static struct fixed_voltage_config brownstone_v_5vp = {
149         .supply_name            = "v_5vp",
150         .microvolts             = 5000000,
151         .gpio                   = GPIO_5V_ENABLE,
152         .enable_high            = 1,
153         .enabled_at_boot        = 1,
154         .init_data              = &brownstone_v_5vp_data,
155 };
156
157 static struct platform_device brownstone_v_5vp_device = {
158         .name           = "reg-fixed-voltage",
159         .id             = 1,
160         .dev = {
161                 .platform_data = &brownstone_v_5vp,
162         },
163 };
164
165 static struct max8925_platform_data brownstone_max8925_info = {
166         .irq_base               = MMP_NR_IRQS,
167 };
168
169 static struct i2c_board_info brownstone_twsi1_info[] = {
170         [0] = {
171                 .type           = "max8649",
172                 .addr           = 0x60,
173                 .platform_data  = &brownstone_max8649_info,
174         },
175         [1] = {
176                 .type           = "max8925",
177                 .addr           = 0x3c,
178                 .irq            = IRQ_MMP2_PMIC,
179                 .platform_data  = &brownstone_max8925_info,
180         },
181 };
182
183 static struct sdhci_pxa_platdata mmp2_sdh_platdata_mmc0 = {
184         .clk_delay_cycles = 0x1f,
185 };
186
187 static struct sdhci_pxa_platdata mmp2_sdh_platdata_mmc2 = {
188         .clk_delay_cycles = 0x1f,
189         .flags = PXA_FLAG_CARD_PERMANENT
190                 | PXA_FLAG_SD_8_BIT_CAPABLE_SLOT,
191 };
192
193 static struct sram_platdata mmp2_asram_platdata = {
194         .pool_name      = "asram",
195         .granularity    = SRAM_GRANULARITY,
196 };
197
198 static struct sram_platdata mmp2_isram_platdata = {
199         .pool_name      = "isram",
200         .granularity    = SRAM_GRANULARITY,
201 };
202
203 static void __init brownstone_init(void)
204 {
205         mfp_config(ARRAY_AND_SIZE(brownstone_pin_config));
206
207         /* on-chip devices */
208         mmp2_add_uart(1);
209         mmp2_add_uart(3);
210         platform_device_add_data(&mmp2_device_gpio, &mmp2_gpio_pdata,
211                                  sizeof(struct pxa_gpio_platform_data));
212         platform_device_register(&mmp2_device_gpio);
213         mmp2_add_twsi(1, NULL, ARRAY_AND_SIZE(brownstone_twsi1_info));
214         mmp2_add_sdhost(0, &mmp2_sdh_platdata_mmc0); /* SD/MMC */
215         mmp2_add_sdhost(2, &mmp2_sdh_platdata_mmc2); /* eMMC */
216         mmp2_add_asram(&mmp2_asram_platdata);
217         mmp2_add_isram(&mmp2_isram_platdata);
218
219         /* enable 5v regulator */
220         platform_device_register(&brownstone_v_5vp_device);
221 }
222
223 MACHINE_START(BROWNSTONE, "Brownstone Development Platform")
224         /* Maintainer: Haojian Zhuang <haojian.zhuang@marvell.com> */
225         .map_io         = mmp_map_io,
226         .nr_irqs        = BROWNSTONE_NR_IRQS,
227         .init_irq       = mmp2_init_irq,
228         .init_time      = mmp2_timer_init,
229         .init_machine   = brownstone_init,
230         .restart        = mmp_restart,
231 MACHINE_END