arch/arm/mach-msm/board-qsd8x50.c

   1 /* Copyright (c) 2009-2011, Code Aurora Forum. All rights reserved.
   2  *
   3  * This program is free software; you can redistribute it and/or modify
   4  * it under the terms of the GNU General Public License version 2 and
   5  * only version 2 as published by the Free Software Foundation.
   6  *
   7  * This program is distributed in the hope that it will be useful,
   8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10  * GNU General Public License for more details.
  11  *
  12  * You should have received a copy of the GNU General Public License
  13  * along with this program; if not, write to the Free Software
  14  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  15  * 02110-1301, USA.
  16  */
  17 #include <linux/gpio.h>
  18 #include <linux/kernel.h>
  19 #include <linux/irq.h>
  20 #include <linux/platform_device.h>
  21 #include <linux/delay.h>
  22 #include <linux/usb/msm_hsusb.h>
  23 #include <linux/err.h>
  24 #include <linux/clkdev.h>
  25
  26 #include <asm/mach-types.h>
  27 #include <asm/mach/arch.h>
  28 #include <asm/io.h>
  29 #include <asm/setup.h>
  30
  31 #include <mach/irqs.h>
  32 #include <mach/sirc.h>
  33 #include <mach/vreg.h>
  34 #include <linux/platform_data/mmc-msm_sdcc.h>
  35
  36 #include "devices.h"
  37 #include "common.h"
  38
  39 static const resource_size_t qsd8x50_surf_smc91x_base __initconst = 0x70000300;
  40 static const unsigned        qsd8x50_surf_smc91x_gpio __initconst = 156;
  41
  42 /* Leave smc91x resources empty here, as we'll fill them in
  43  * at run-time: they vary from board to board, and the true
  44  * configuration won't be known until boot.
  45  */
  46 static struct resource smc91x_resources[] = {
  47         [0] = {
  48                 .flags = IORESOURCE_MEM,
  49         },
  50         [1] = {
  51                 .flags = IORESOURCE_IRQ,
  52         },
  53 };
  54
  55 static struct platform_device smc91x_device = {
  56         .name           = "smc91x",
  57         .id             = 0,
  58         .num_resources  = ARRAY_SIZE(smc91x_resources),
  59         .resource       = smc91x_resources,
  60 };
  61
  62 static int __init msm_init_smc91x(void)
  63 {
  64         if (machine_is_qsd8x50_surf()) {
  65                 smc91x_resources[0].start = qsd8x50_surf_smc91x_base;
  66                 smc91x_resources[0].end   = qsd8x50_surf_smc91x_base + 0xff;
  67                 smc91x_resources[1].start =
  68                         gpio_to_irq(qsd8x50_surf_smc91x_gpio);
  69                 smc91x_resources[1].end   =
  70                         gpio_to_irq(qsd8x50_surf_smc91x_gpio);
  71                 platform_device_register(&smc91x_device);
  72         }
  73
  74         return 0;
  75 }
  76 module_init(msm_init_smc91x);
  77
  78 static int hsusb_phy_init_seq[] = {
  79         0x08, 0x31,     /* Increase HS Driver Amplitude */
  80         0x20, 0x32,     /* Enable and set Pre-Emphasis Depth to 10% */
  81         -1
  82 };
  83
  84 static struct msm_otg_platform_data msm_otg_pdata = {
  85         .phy_init_seq           = hsusb_phy_init_seq,
  86         .mode                   = USB_PERIPHERAL,
  87         .otg_control            = OTG_PHY_CONTROL,
  88 };
  89
  90 static struct platform_device *devices[] __initdata = {
  91         &msm_clock_8x50,
  92         &msm_device_gpio_8x50,
  93         &msm_device_uart3,
  94         &msm_device_smd,
  95         &msm_device_otg,
  96         &msm_device_hsusb,
  97         &msm_device_hsusb_host,
  98 };
  99
 100 static struct msm_mmc_gpio sdc1_gpio_cfg[] = {
 101         {51, "sdc1_dat_3"},
 102         {52, "sdc1_dat_2"},
 103         {53, "sdc1_dat_1"},
 104         {54, "sdc1_dat_0"},
 105         {55, "sdc1_cmd"},
 106         {56, "sdc1_clk"}
 107 };
 108
 109 static struct vreg *vreg_mmc;
 110 static unsigned long vreg_sts;
 111
 112 static uint32_t msm_sdcc_setup_power(struct device *dv, unsigned int vdd)
 113 {
 114         int rc = 0;
 115         struct platform_device *pdev;
 116
 117         pdev = container_of(dv, struct platform_device, dev);
 118
 119         if (vdd == 0) {
 120                 if (!vreg_sts)
 121                         return 0;
 122
 123                 clear_bit(pdev->id, &vreg_sts);
 124
 125                 if (!vreg_sts) {
 126                         rc = vreg_disable(vreg_mmc);
 127                         if (rc)
 128                                 pr_err("vreg_mmc disable failed for slot "
 129                                                 "%d: %d\n", pdev->id, rc);
 130                 }
 131                 return 0;
 132         }
 133
 134         if (!vreg_sts) {
 135                 rc = vreg_set_level(vreg_mmc, 2900);
 136                 if (rc)
 137                         pr_err("vreg_mmc set level failed for slot %d: %d\n",
 138                                         pdev->id, rc);
 139                 rc = vreg_enable(vreg_mmc);
 140                 if (rc)
 141                         pr_err("vreg_mmc enable failed for slot %d: %d\n",
 142                                         pdev->id, rc);
 143         }
 144         set_bit(pdev->id, &vreg_sts);
 145         return 0;
 146 }
 147
 148 static struct msm_mmc_gpio_data sdc1_gpio = {
 149         .gpio = sdc1_gpio_cfg,
 150         .size = ARRAY_SIZE(sdc1_gpio_cfg),
 151 };
 152
 153 static struct msm_mmc_platform_data qsd8x50_sdc1_data = {
 154         .ocr_mask       = MMC_VDD_27_28 | MMC_VDD_28_29,
 155         .translate_vdd  = msm_sdcc_setup_power,
 156         .gpio_data = &sdc1_gpio,
 157 };
 158
 159 static void __init qsd8x50_init_mmc(void)
 160 {
 161         vreg_mmc = vreg_get(NULL, "gp5");
 162
 163         if (IS_ERR(vreg_mmc)) {
 164                 pr_err("vreg get for vreg_mmc failed (%ld)\n",
 165                                 PTR_ERR(vreg_mmc));
 166                 return;
 167         }
 168
 169         msm_add_sdcc(1, &qsd8x50_sdc1_data, 0, 0);
 170 }
 171
 172 static void __init qsd8x50_map_io(void)
 173 {
 174         msm_map_qsd8x50_io();
 175 }
 176
 177 static void __init qsd8x50_init_irq(void)
 178 {
 179         msm_init_irq();
 180         msm_init_sirc();
 181 }
 182
 183 static void __init qsd8x50_init(void)
 184 {
 185         msm_device_otg.dev.platform_data = &msm_otg_pdata;
 186         msm_device_hsusb.dev.parent = &msm_device_otg.dev;
 187         msm_device_hsusb_host.dev.parent = &msm_device_otg.dev;
 188         platform_add_devices(devices, ARRAY_SIZE(devices));
 189         qsd8x50_init_mmc();
 190 }
 191
 192 static void __init qsd8x50_init_late(void)
 193 {
 194         smd_debugfs_init();
 195 }
 196
 197 MACHINE_START(QSD8X50_SURF, "QCT QSD8X50 SURF")
 198         .atag_offset = 0x100,
 199         .map_io = qsd8x50_map_io,
 200         .init_irq = qsd8x50_init_irq,
 201         .init_machine = qsd8x50_init,
 202         .init_late = qsd8x50_init_late,
 203         .init_time      = qsd8x50_timer_init,
 204 MACHINE_END
 205
 206 MACHINE_START(QSD8X50A_ST1_5, "QCT QSD8X50A ST1.5")
 207         .atag_offset = 0x100,
 208         .map_io = qsd8x50_map_io,
 209         .init_irq = qsd8x50_init_irq,
 210         .init_machine = qsd8x50_init,
 211         .init_late = qsd8x50_init_late,
 212         .init_time      = qsd8x50_timer_init,
 213 MACHINE_END