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1d0ea069 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
13dee960 HZ |
2 | /* |
3 | * linux/arch/arm/mach-mmp/brownstone.c | |
4 | * | |
5 | * Support for the Marvell Brownstone Development Platform. | |
6 | * | |
7 | * Copyright (C) 2009-2010 Marvell International Ltd. | |
13dee960 HZ |
8 | */ |
9 | ||
10 | #include <linux/init.h> | |
11 | #include <linux/kernel.h> | |
12 | #include <linux/platform_device.h> | |
13 | #include <linux/io.h> | |
b8f649f1 | 14 | #include <linux/gpio-pxa.h> |
efdfeb07 | 15 | #include <linux/gpio/machine.h> |
13dee960 HZ |
16 | #include <linux/regulator/machine.h> |
17 | #include <linux/regulator/max8649.h> | |
e97d0fac | 18 | #include <linux/regulator/fixed.h> |
13dee960 HZ |
19 | #include <linux/mfd/max8925.h> |
20 | ||
21 | #include <asm/mach-types.h> | |
22 | #include <asm/mach/arch.h> | |
b501fd7b AB |
23 | #include "addr-map.h" |
24 | #include "mfp-mmp2.h" | |
25 | #include "mmp2.h" | |
26 | #include "irqs.h" | |
13dee960 HZ |
27 | |
28 | #include "common.h" | |
29 | ||
8661fb92 | 30 | #define BROWNSTONE_NR_IRQS (MMP_NR_IRQS + 40) |
13dee960 | 31 | |
e97d0fac MB |
32 | #define GPIO_5V_ENABLE (89) |
33 | ||
13dee960 HZ |
34 | static unsigned long brownstone_pin_config[] __initdata = { |
35 | /* UART1 */ | |
36 | GPIO29_UART1_RXD, | |
37 | GPIO30_UART1_TXD, | |
38 | ||
39 | /* UART3 */ | |
40 | GPIO51_UART3_RXD, | |
41 | GPIO52_UART3_TXD, | |
42 | ||
43 | /* DFI */ | |
44 | GPIO168_DFI_D0, | |
45 | GPIO167_DFI_D1, | |
46 | GPIO166_DFI_D2, | |
47 | GPIO165_DFI_D3, | |
48 | GPIO107_DFI_D4, | |
49 | GPIO106_DFI_D5, | |
50 | GPIO105_DFI_D6, | |
51 | GPIO104_DFI_D7, | |
52 | GPIO111_DFI_D8, | |
53 | GPIO164_DFI_D9, | |
54 | GPIO163_DFI_D10, | |
55 | GPIO162_DFI_D11, | |
56 | GPIO161_DFI_D12, | |
57 | GPIO110_DFI_D13, | |
58 | GPIO109_DFI_D14, | |
59 | GPIO108_DFI_D15, | |
60 | GPIO143_ND_nCS0, | |
61 | GPIO144_ND_nCS1, | |
62 | GPIO147_ND_nWE, | |
63 | GPIO148_ND_nRE, | |
64 | GPIO150_ND_ALE, | |
65 | GPIO149_ND_CLE, | |
66 | GPIO112_ND_RDY0, | |
67 | GPIO160_ND_RDY1, | |
68 | ||
69 | /* PMIC */ | |
70 | PMIC_PMIC_INT | MFP_LPM_EDGE_FALL, | |
71 | ||
72 | /* MMC0 */ | |
73 | GPIO131_MMC1_DAT3 | MFP_PULL_HIGH, | |
74 | GPIO132_MMC1_DAT2 | MFP_PULL_HIGH, | |
75 | GPIO133_MMC1_DAT1 | MFP_PULL_HIGH, | |
76 | GPIO134_MMC1_DAT0 | MFP_PULL_HIGH, | |
77 | GPIO136_MMC1_CMD | MFP_PULL_HIGH, | |
78 | GPIO139_MMC1_CLK, | |
79 | GPIO140_MMC1_CD | MFP_PULL_LOW, | |
80 | GPIO141_MMC1_WP | MFP_PULL_LOW, | |
81 | ||
82 | /* MMC1 */ | |
83 | GPIO37_MMC2_DAT3 | MFP_PULL_HIGH, | |
84 | GPIO38_MMC2_DAT2 | MFP_PULL_HIGH, | |
85 | GPIO39_MMC2_DAT1 | MFP_PULL_HIGH, | |
86 | GPIO40_MMC2_DAT0 | MFP_PULL_HIGH, | |
87 | GPIO41_MMC2_CMD | MFP_PULL_HIGH, | |
88 | GPIO42_MMC2_CLK, | |
89 | ||
90 | /* MMC2 */ | |
91 | GPIO165_MMC3_DAT7 | MFP_PULL_HIGH, | |
92 | GPIO162_MMC3_DAT6 | MFP_PULL_HIGH, | |
93 | GPIO166_MMC3_DAT5 | MFP_PULL_HIGH, | |
94 | GPIO163_MMC3_DAT4 | MFP_PULL_HIGH, | |
95 | GPIO167_MMC3_DAT3 | MFP_PULL_HIGH, | |
96 | GPIO164_MMC3_DAT2 | MFP_PULL_HIGH, | |
97 | GPIO168_MMC3_DAT1 | MFP_PULL_HIGH, | |
98 | GPIO111_MMC3_DAT0 | MFP_PULL_HIGH, | |
99 | GPIO112_MMC3_CMD | MFP_PULL_HIGH, | |
100 | GPIO151_MMC3_CLK, | |
e97d0fac MB |
101 | |
102 | /* 5V regulator */ | |
103 | GPIO89_GPIO, | |
13dee960 HZ |
104 | }; |
105 | ||
b8f649f1 HZ |
106 | static struct pxa_gpio_platform_data mmp2_gpio_pdata = { |
107 | .irq_base = MMP_GPIO_TO_IRQ(0), | |
108 | }; | |
109 | ||
13dee960 HZ |
110 | static struct regulator_consumer_supply max8649_supply[] = { |
111 | REGULATOR_SUPPLY("vcc_core", NULL), | |
112 | }; | |
113 | ||
114 | static struct regulator_init_data max8649_init_data = { | |
115 | .constraints = { | |
116 | .name = "vcc_core range", | |
117 | .min_uV = 1150000, | |
118 | .max_uV = 1280000, | |
119 | .always_on = 1, | |
120 | .boot_on = 1, | |
121 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, | |
122 | }, | |
123 | .num_consumer_supplies = 1, | |
124 | .consumer_supplies = &max8649_supply[0], | |
125 | }; | |
126 | ||
127 | static struct max8649_platform_data brownstone_max8649_info = { | |
128 | .mode = 2, /* VID1 = 1, VID0 = 0 */ | |
129 | .extclk = 0, | |
130 | .ramp_timing = MAX8649_RAMP_32MV, | |
131 | .regulator = &max8649_init_data, | |
132 | }; | |
133 | ||
e97d0fac MB |
134 | static struct regulator_consumer_supply brownstone_v_5vp_supplies[] = { |
135 | REGULATOR_SUPPLY("v_5vp", NULL), | |
136 | }; | |
137 | ||
138 | static struct regulator_init_data brownstone_v_5vp_data = { | |
139 | .constraints = { | |
140 | .valid_ops_mask = REGULATOR_CHANGE_STATUS, | |
141 | }, | |
142 | .num_consumer_supplies = ARRAY_SIZE(brownstone_v_5vp_supplies), | |
143 | .consumer_supplies = brownstone_v_5vp_supplies, | |
144 | }; | |
145 | ||
146 | static struct fixed_voltage_config brownstone_v_5vp = { | |
147 | .supply_name = "v_5vp", | |
148 | .microvolts = 5000000, | |
e97d0fac MB |
149 | .enabled_at_boot = 1, |
150 | .init_data = &brownstone_v_5vp_data, | |
151 | }; | |
152 | ||
153 | static struct platform_device brownstone_v_5vp_device = { | |
154 | .name = "reg-fixed-voltage", | |
155 | .id = 1, | |
156 | .dev = { | |
157 | .platform_data = &brownstone_v_5vp, | |
158 | }, | |
159 | }; | |
160 | ||
efdfeb07 LW |
161 | static struct gpiod_lookup_table brownstone_v_5vp_gpiod_table = { |
162 | .dev_id = "reg-fixed-voltage.1", /* .id set to 1 above */ | |
163 | .table = { | |
164 | GPIO_LOOKUP("gpio-pxa", GPIO_5V_ENABLE, | |
165 | NULL, GPIO_ACTIVE_HIGH), | |
166 | { }, | |
167 | }, | |
168 | }; | |
169 | ||
13dee960 | 170 | static struct max8925_platform_data brownstone_max8925_info = { |
8661fb92 | 171 | .irq_base = MMP_NR_IRQS, |
13dee960 HZ |
172 | }; |
173 | ||
174 | static struct i2c_board_info brownstone_twsi1_info[] = { | |
175 | [0] = { | |
176 | .type = "max8649", | |
177 | .addr = 0x60, | |
178 | .platform_data = &brownstone_max8649_info, | |
179 | }, | |
180 | [1] = { | |
181 | .type = "max8925", | |
182 | .addr = 0x3c, | |
183 | .irq = IRQ_MMP2_PMIC, | |
184 | .platform_data = &brownstone_max8925_info, | |
185 | }, | |
186 | }; | |
187 | ||
188 | static struct sdhci_pxa_platdata mmp2_sdh_platdata_mmc0 = { | |
6f984f3b | 189 | .clk_delay_cycles = 0x1f, |
13dee960 HZ |
190 | }; |
191 | ||
6f984f3b ZG |
192 | static struct sdhci_pxa_platdata mmp2_sdh_platdata_mmc2 = { |
193 | .clk_delay_cycles = 0x1f, | |
194 | .flags = PXA_FLAG_CARD_PERMANENT | |
195 | | PXA_FLAG_SD_8_BIT_CAPABLE_SLOT, | |
196 | }; | |
197 | ||
101bf4c1 LY |
198 | static struct sram_platdata mmp2_asram_platdata = { |
199 | .pool_name = "asram", | |
200 | .granularity = SRAM_GRANULARITY, | |
201 | }; | |
6f984f3b | 202 | |
bca7ab31 LY |
203 | static struct sram_platdata mmp2_isram_platdata = { |
204 | .pool_name = "isram", | |
205 | .granularity = SRAM_GRANULARITY, | |
206 | }; | |
6f984f3b | 207 | |
13dee960 HZ |
208 | static void __init brownstone_init(void) |
209 | { | |
210 | mfp_config(ARRAY_AND_SIZE(brownstone_pin_config)); | |
211 | ||
212 | /* on-chip devices */ | |
213 | mmp2_add_uart(1); | |
214 | mmp2_add_uart(3); | |
b8f649f1 HZ |
215 | platform_device_add_data(&mmp2_device_gpio, &mmp2_gpio_pdata, |
216 | sizeof(struct pxa_gpio_platform_data)); | |
157d2644 | 217 | platform_device_register(&mmp2_device_gpio); |
13dee960 HZ |
218 | mmp2_add_twsi(1, NULL, ARRAY_AND_SIZE(brownstone_twsi1_info)); |
219 | mmp2_add_sdhost(0, &mmp2_sdh_platdata_mmc0); /* SD/MMC */ | |
6f984f3b | 220 | mmp2_add_sdhost(2, &mmp2_sdh_platdata_mmc2); /* eMMC */ |
101bf4c1 | 221 | mmp2_add_asram(&mmp2_asram_platdata); |
bca7ab31 | 222 | mmp2_add_isram(&mmp2_isram_platdata); |
e97d0fac MB |
223 | |
224 | /* enable 5v regulator */ | |
efdfeb07 | 225 | gpiod_add_lookup_table(&brownstone_v_5vp_gpiod_table); |
e97d0fac | 226 | platform_device_register(&brownstone_v_5vp_device); |
13dee960 HZ |
227 | } |
228 | ||
229 | MACHINE_START(BROWNSTONE, "Brownstone Development Platform") | |
230 | /* Maintainer: Haojian Zhuang <haojian.zhuang@marvell.com> */ | |
231 | .map_io = mmp_map_io, | |
232 | .nr_irqs = BROWNSTONE_NR_IRQS, | |
233 | .init_irq = mmp2_init_irq, | |
6bb27d73 | 234 | .init_time = mmp2_timer_init, |
13dee960 | 235 | .init_machine = brownstone_init, |
9854a38e | 236 | .restart = mmp_restart, |
13dee960 | 237 | MACHINE_END |