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diff --git a/arch/arm/mach-tegra/p852/board-p852-power.c b/arch/arm/mach-tegra/p852/board-p852-power.c
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1/*
2 * arch/arm/mach-tegra/p852/board-p852-power.c
3 *
4 * Copyright (c) 2010-2011, NVIDIA Corporation.
5 *
6 * This software is licensed under the terms of the GNU General Public
7 * License version 2, as published by the Free Software Foundation, and
8 * may be copied, distributed, and modified under those terms.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 */
16
17#include <linux/i2c.h>
18#include <linux/pda_power.h>
19#include <linux/platform_device.h>
20#include <linux/resource.h>
21#include <linux/regulator/machine.h>
22#include <linux/mfd/tps6586x.h>
23#include <linux/gpio.h>
24#include <linux/io.h>
25#include <mach/iomap.h>
26#include <mach/irqs.h>
27#include "board-p852.h"
28
29#define PMC_CTRL 0x0
30#define PMC_CTRL_INTR_LOW (1 << 17)
31
32static struct regulator_consumer_supply tps658621_sm0_supply[] = {
33 REGULATOR_SUPPLY("vdd_core", NULL),
34};
35static struct regulator_consumer_supply tps658621_sm1_supply[] = {
36 REGULATOR_SUPPLY("vdd_cpu", NULL),
37};
38static struct regulator_consumer_supply tps658621_sm2_supply[] = {
39 REGULATOR_SUPPLY("vdd_sm2", NULL),
40};
41static struct regulator_consumer_supply tps658621_ldo0_supply[] = {
42 REGULATOR_SUPPLY("vddio_pex_clk", NULL),
43};
44static struct regulator_consumer_supply tps658621_ldo1_supply[] = {
45 REGULATOR_SUPPLY("avdd_pll", NULL),
46 REGULATOR_SUPPLY("avdd_plla_pc", NULL),
47 REGULATOR_SUPPLY("avdd_pllm", NULL),
48 REGULATOR_SUPPLY("avdd_pllu", NULL),
49 REGULATOR_SUPPLY("avdd_pllx6", NULL),
50};
51static struct regulator_consumer_supply tps658621_ldo2_supply[] = {
52 REGULATOR_SUPPLY("vdd_rtc", NULL),
53};
54static struct regulator_consumer_supply tps658621_ldo3_supply[] = {
55 REGULATOR_SUPPLY("avdd_usb", NULL),
56 REGULATOR_SUPPLY("avdd_usb_pll", NULL),
57 REGULATOR_SUPPLY("avdd_lvds", NULL),
58};
59static struct regulator_consumer_supply tps658621_ldo4_supply[] = {
60 REGULATOR_SUPPLY("avdd_osc", NULL),
61 REGULATOR_SUPPLY("vddio_sys", "panjit_touch"),
62};
63static struct regulator_consumer_supply tps658621_ldo5_supply[] = {
64 REGULATOR_SUPPLY("vddio_lcd", NULL),
65};
66static struct regulator_consumer_supply tps658621_ldo6_supply[] = {
67 REGULATOR_SUPPLY("avdd_vdac", NULL),
68};
69static struct regulator_consumer_supply tps658621_ldo7_supply[] = {
70 REGULATOR_SUPPLY("vddio_vi", NULL),
71 REGULATOR_SUPPLY("vdd_fuse", NULL),
72 REGULATOR_SUPPLY("vspi", "spi_tegra.0"),
73};
74static struct regulator_consumer_supply tps658621_ldo8_supply[] = {
75 REGULATOR_SUPPLY("vddio_bb", NULL),
76 REGULATOR_SUPPLY("vmmc", "sdhci-tegra.0"),
77 REGULATOR_SUPPLY("vmmc", "sdhci-tegra.2"),
78};
79static struct regulator_consumer_supply tps658621_ldo9_supply[] = {
80 REGULATOR_SUPPLY("vdd_ddr_rx", NULL),
81 REGULATOR_SUPPLY("vmmc", "sdhci-tegra.3"),
82};
83
84#define REGULATOR_INIT(_id, _minmv, _maxmv) \
85 { \
86 .constraints = { \
87 .min_uV = (_minmv)*1000, \
88 .max_uV = (_maxmv)*1000, \
89 .valid_modes_mask = (REGULATOR_MODE_NORMAL | \
90 REGULATOR_MODE_STANDBY), \
91 .valid_ops_mask = (REGULATOR_CHANGE_MODE | \
92 REGULATOR_CHANGE_STATUS | \
93 REGULATOR_CHANGE_VOLTAGE), \
94 }, \
95 .num_consumer_supplies = ARRAY_SIZE(tps658621_##_id##_supply),\
96 .consumer_supplies = tps658621_##_id##_supply, \
97 }
98
99static struct regulator_init_data sm0_data = REGULATOR_INIT(sm0, 725, 1500);
100static struct regulator_init_data sm1_data = REGULATOR_INIT(sm1, 725, 1500);
101static struct regulator_init_data sm2_data = REGULATOR_INIT(sm2, 3000, 4550);
102static struct regulator_init_data ldo0_data = REGULATOR_INIT(ldo0, 1250, 3300);
103static struct regulator_init_data ldo1_data = REGULATOR_INIT(ldo1, 725, 1500);
104static struct regulator_init_data ldo2_data = REGULATOR_INIT(ldo2, 725, 1225);
105static struct regulator_init_data ldo3_data = REGULATOR_INIT(ldo3, 1250, 3300);
106static struct regulator_init_data ldo4_data = REGULATOR_INIT(ldo4, 1700, 2475);
107static struct regulator_init_data ldo5_data = REGULATOR_INIT(ldo5, 1250, 3300);
108static struct regulator_init_data ldo6_data = REGULATOR_INIT(ldo6, 1250, 3300);
109static struct regulator_init_data ldo7_data = REGULATOR_INIT(ldo7, 1250, 3300);
110static struct regulator_init_data ldo8_data = REGULATOR_INIT(ldo8, 1250, 3300);
111static struct regulator_init_data ldo9_data = REGULATOR_INIT(ldo9, 1250, 3300);
112
113
114static struct tps6586x_rtc_platform_data rtc_data = {
115 .irq = TEGRA_NR_IRQS + TPS6586X_INT_RTC_ALM1,
116 .cl_sel = 0,
117};
118
119
120#define TPS_REG(_id, _data) \
121 { \
122 .id = TPS6586X_ID_##_id, \
123 .name = "tps6586x-regulator", \
124 .platform_data = _data, \
125 }
126
127static struct tps6586x_subdev_info tps_devs[] = {
128 TPS_REG(SM_0, &sm0_data),
129 TPS_REG(SM_1, &sm1_data),
130 TPS_REG(SM_2, &sm2_data),
131 TPS_REG(LDO_0, &ldo0_data),
132 TPS_REG(LDO_1, &ldo1_data),
133 TPS_REG(LDO_2, &ldo2_data),
134 TPS_REG(LDO_3, &ldo3_data),
135 TPS_REG(LDO_4, &ldo4_data),
136 TPS_REG(LDO_5, &ldo5_data),
137 TPS_REG(LDO_6, &ldo6_data),
138 TPS_REG(LDO_7, &ldo7_data),
139 TPS_REG(LDO_8, &ldo8_data),
140 TPS_REG(LDO_9, &ldo9_data),
141 {
142 .id = 0,
143 .name = "tps6586x-rtc",
144 .platform_data = &rtc_data,
145 },
146};
147
148static struct tps6586x_platform_data tps_platform = {
149 .irq_base = TEGRA_NR_IRQS,
150 .num_subdevs = ARRAY_SIZE(tps_devs),
151 .subdevs = tps_devs,
152 .gpio_base = TEGRA_NR_GPIOS,
153 .use_power_off = true,
154};
155
156static struct i2c_board_info __initdata p852_regulators[] = {
157 {
158 I2C_BOARD_INFO("tps6586x", 0x34),
159 .irq = INT_EXTERNAL_PMU,
160 .platform_data = &tps_platform,
161 },
162};
163
164static struct tegra_suspend_platform_data p852_suspend_data = {
165 .cpu_timer = 2000,
166 .cpu_off_timer = 0,
167 .suspend_mode = TEGRA_SUSPEND_LP1,
168 .core_timer = 0x7e7e,
169 .core_off_timer = 0,
170 .corereq_high = false,
171 .sysclkreq_high = true,
172};
173
174static void __init tps6586x_rtc_preinit(void)
175{
176 int i;
177 struct tps6586x_rtc_platform_data *rtc_pdata;
178
179 if (system_rev == P852_SKU23_B00 ||
180 system_rev == P852_SKU23_C01 ||
181 system_rev == P852_SKU13_B00 ||
182 system_rev == P852_SKU5_B00 ||
183 system_rev == P852_SKU5_C01) {
184 for (i = 0; i < tps_platform.num_subdevs; ++i)
185 if (!strcmp(tps_platform.subdevs[i].name,
186 "tps6586x-rtc"))
187 rtc_pdata =
188 (struct tps6586x_rtc_platform_data *)
189 (tps_platform.subdevs[i].platform_data);
190 rtc_pdata->cl_sel = TPS6586X_RTC_CL_SEL_1_5PF;
191 }
192}
193
194int __init p852_regulator_init(void)
195{
196 void __iomem *pmc = IO_ADDRESS(TEGRA_PMC_BASE);
197 u32 pmc_ctrl;
198
199 /* configure the power management controller to trigger PMU
200 * interrupts when low */
201 pmc_ctrl = readl(pmc + PMC_CTRL);
202 writel(pmc_ctrl | PMC_CTRL_INTR_LOW, pmc + PMC_CTRL);
203 i2c_register_board_info(3, p852_regulators, 1);
204 tegra_init_suspend(&p852_suspend_data);
205
206 tps6586x_rtc_preinit();
207
208 return 0;
209}
generated by cgit v1.2.2 (git 2.25.0) at 2025-03-22 03:58:25 -0400