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/gpio.h>
  21 #include <linux/platform_device.h>
  22 #include <linux/delay.h>
  23 #include <linux/usb/msm_hsusb.h>
  24 #include <linux/err.h>
  25 #include <linux/clkdev.h>
  26
  27 #include <asm/mach-types.h>
  28 #include <asm/mach/arch.h>
  29 #include <asm/io.h>
  30 #include <asm/setup.h>
  31
  32 #include <mach/board.h>
  33 #include <mach/irqs.h>
  34 #include <mach/sirc.h>
  35 #include <mach/vreg.h>
  36 #include <mach/mmc.h>
  37
  38 #include "devices.h"
  39
  40 extern struct sys_timer msm_timer;
  41
  42 static const resource_size_t qsd8x50_surf_smc91x_base __initdata = 0x70000300;
  43 static const unsigned        qsd8x50_surf_smc91x_gpio __initdata = 156;
  44
  45 /* Leave smc91x resources empty here, as we'll fill them in
  46  * at run-time: they vary from board to board, and the true
  47  * configuration won't be known until boot.
  48  */
  49 static struct resource smc91x_resources[] = {
  50         [0] = {
  51                 .flags = IORESOURCE_MEM,
  52         },
  53         [1] = {
  54                 .flags = IORESOURCE_IRQ,
  55         },
  56 };
  57
  58 static struct platform_device smc91x_device = {
  59         .name           = "smc91x",
  60         .id             = 0,
  61         .num_resources  = ARRAY_SIZE(smc91x_resources),
  62         .resource       = smc91x_resources,
  63 };
  64
  65 static int __init msm_init_smc91x(void)
  66 {
  67         if (machine_is_qsd8x50_surf()) {
  68                 smc91x_resources[0].start = qsd8x50_surf_smc91x_base;
  69                 smc91x_resources[0].end   = qsd8x50_surf_smc91x_base + 0xff;
  70                 smc91x_resources[1].start =
  71                         gpio_to_irq(qsd8x50_surf_smc91x_gpio);
  72                 smc91x_resources[1].end   =
  73                         gpio_to_irq(qsd8x50_surf_smc91x_gpio);
  74                 platform_device_register(&smc91x_device);
  75         }
  76
  77         return 0;
  78 }
  79 module_init(msm_init_smc91x);
  80
  81 static int hsusb_phy_init_seq[] = {
  82         0x08, 0x31,     /* Increase HS Driver Amplitude */
  83         0x20, 0x32,     /* Enable and set Pre-Emphasis Depth to 10% */
  84         -1
  85 };
  86
  87 static struct msm_otg_platform_data msm_otg_pdata = {
  88         .phy_init_seq           = hsusb_phy_init_seq,
  89         .mode                   = USB_PERIPHERAL,
  90         .otg_control            = OTG_PHY_CONTROL,
  91 };
  92
  93 static struct platform_device *devices[] __initdata = {
  94         &msm_device_uart3,
  95         &msm_device_smd,
  96         &msm_device_otg,
  97         &msm_device_hsusb,
  98         &msm_device_hsusb_host,
  99 };
 100
 101 static struct msm_mmc_gpio sdc1_gpio_cfg[] = {
 102         {51, "sdc1_dat_3"},
 103         {52, "sdc1_dat_2"},
 104         {53, "sdc1_dat_1"},
 105         {54, "sdc1_dat_0"},
 106         {55, "sdc1_cmd"},
 107         {56, "sdc1_clk"}
 108 };
 109
 110 static struct vreg *vreg_mmc;
 111 static unsigned long vreg_sts;
 112
 113 static uint32_t msm_sdcc_setup_power(struct device *dv, unsigned int vdd)
 114 {
 115         int rc = 0;
 116         struct platform_device *pdev;
 117
 118         pdev = container_of(dv, struct platform_device, dev);
 119
 120         if (vdd == 0) {
 121                 if (!vreg_sts)
 122                         return 0;
 123
 124                 clear_bit(pdev->id, &vreg_sts);
 125
 126                 if (!vreg_sts) {
 127                         rc = vreg_disable(vreg_mmc);
 128                         if (rc)
 129                                 pr_err("vreg_mmc disable failed for slot "
 130                                                 "%d: %d\n", pdev->id, rc);
 131                 }
 132                 return 0;
 133         }
 134
 135         if (!vreg_sts) {
 136                 rc = vreg_set_level(vreg_mmc, 2900);
 137                 if (rc)
 138                         pr_err("vreg_mmc set level failed for slot %d: %d\n",
 139                                         pdev->id, rc);
 140                 rc = vreg_enable(vreg_mmc);
 141                 if (rc)
 142                         pr_err("vreg_mmc enable failed for slot %d: %d\n",
 143                                         pdev->id, rc);
 144         }
 145         set_bit(pdev->id, &vreg_sts);
 146         return 0;
 147 }
 148
 149 static struct msm_mmc_gpio_data sdc1_gpio = {
 150         .gpio = sdc1_gpio_cfg,
 151         .size = ARRAY_SIZE(sdc1_gpio_cfg),
 152 };
 153
 154 static struct msm_mmc_platform_data qsd8x50_sdc1_data = {
 155         .ocr_mask       = MMC_VDD_27_28 | MMC_VDD_28_29,
 156         .translate_vdd  = msm_sdcc_setup_power,
 157         .gpio_data = &sdc1_gpio,
 158 };
 159
 160 static void __init qsd8x50_init_mmc(void)
 161 {
 162         vreg_mmc = vreg_get(NULL, "gp5");
 163
 164         if (IS_ERR(vreg_mmc)) {
 165                 pr_err("vreg get for vreg_mmc failed (%ld)\n",
 166                                 PTR_ERR(vreg_mmc));
 167                 return;
 168         }
 169
 170         msm_add_sdcc(1, &qsd8x50_sdc1_data, 0, 0);
 171 }
 172
 173 static void __init qsd8x50_map_io(void)
 174 {
 175         msm_map_qsd8x50_io();
 176         msm_clock_init(msm_clocks_8x50, msm_num_clocks_8x50);
 177 }
 178
 179 static void __init qsd8x50_init_irq(void)
 180 {
 181         msm_init_irq();
 182         msm_init_sirc();
 183 }
 184
 185 static void __init qsd8x50_init(void)
 186 {
 187         msm_device_otg.dev.platform_data = &msm_otg_pdata;
 188         msm_device_hsusb.dev.parent = &msm_device_otg.dev;
 189         msm_device_hsusb_host.dev.parent = &msm_device_otg.dev;
 190         platform_add_devices(devices, ARRAY_SIZE(devices));
 191         qsd8x50_init_mmc();
 192 }
 193
 194 MACHINE_START(QSD8X50_SURF, "QCT QSD8X50 SURF")
 195         .atag_offset = 0x100,
 196         .map_io = qsd8x50_map_io,
 197         .init_irq = qsd8x50_init_irq,
 198         .init_machine = qsd8x50_init,
 199         .timer = &msm_timer,
 200 MACHINE_END
 201
 202 MACHINE_START(QSD8X50A_ST1_5, "QCT QSD8X50A ST1.5")
 203         .atag_offset = 0x100,
 204         .map_io = qsd8x50_map_io,
 205         .init_irq = qsd8x50_init_irq,
 206         .init_machine = qsd8x50_init,
 207         .timer = &msm_timer,
 208 MACHINE_END