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/board.h>
  32 #include <mach/irqs.h>
  33 #include <mach/sirc.h>
  34 #include <mach/vreg.h>
  35 #include <linux/platform_data/mmc-msm_sdcc.h>
  36
  37 #include "devices.h"
  38 #include "common.h"
  39
  40 static const resource_size_t qsd8x50_surf_smc91x_base __initconst = 0x70000300;
  41 static const unsigned        qsd8x50_surf_smc91x_gpio __initconst = 156;
  42
  43 /* Leave smc91x resources empty here, as we'll fill them in
  44  * at run-time: they vary from board to board, and the true
  45  * configuration won't be known until boot.
  46  */
  47 static struct resource smc91x_resources[] = {
  48         [0] = {
  49                 .flags = IORESOURCE_MEM,
  50         },
  51         [1] = {
  52                 .flags = IORESOURCE_IRQ,
  53         },
  54 };
  55
  56 static struct platform_device smc91x_device = {
  57         .name           = "smc91x",
  58         .id             = 0,
  59         .num_resources  = ARRAY_SIZE(smc91x_resources),
  60         .resource       = smc91x_resources,
  61 };
  62
  63 static int __init msm_init_smc91x(void)
  64 {
  65         if (machine_is_qsd8x50_surf()) {
  66                 smc91x_resources[0].start = qsd8x50_surf_smc91x_base;
  67                 smc91x_resources[0].end   = qsd8x50_surf_smc91x_base + 0xff;
  68                 smc91x_resources[1].start =
  69                         gpio_to_irq(qsd8x50_surf_smc91x_gpio);
  70                 smc91x_resources[1].end   =
  71                         gpio_to_irq(qsd8x50_surf_smc91x_gpio);
  72                 platform_device_register(&smc91x_device);
  73         }
  74
  75         return 0;
  76 }
  77 module_init(msm_init_smc91x);
  78
  79 static int hsusb_phy_init_seq[] = {
  80         0x08, 0x31,     /* Increase HS Driver Amplitude */
  81         0x20, 0x32,     /* Enable and set Pre-Emphasis Depth to 10% */
  82         -1
  83 };
  84
  85 static struct msm_otg_platform_data msm_otg_pdata = {
  86         .phy_init_seq           = hsusb_phy_init_seq,
  87         .mode                   = USB_PERIPHERAL,
  88         .otg_control            = OTG_PHY_CONTROL,
  89 };
  90
  91 static struct platform_device *devices[] __initdata = {
  92         &msm_clock_8x50,
  93         &msm_device_gpio_8x50,
  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 }
 177
 178 static void __init qsd8x50_init_irq(void)
 179 {
 180         msm_init_irq();
 181         msm_init_sirc();
 182 }
 183
 184 static void __init qsd8x50_init(void)
 185 {
 186         msm_device_otg.dev.platform_data = &msm_otg_pdata;
 187         msm_device_hsusb.dev.parent = &msm_device_otg.dev;
 188         msm_device_hsusb_host.dev.parent = &msm_device_otg.dev;
 189         platform_add_devices(devices, ARRAY_SIZE(devices));
 190         qsd8x50_init_mmc();
 191 }
 192
 193 static void __init qsd8x50_init_late(void)
 194 {
 195         smd_debugfs_init();
 196 }
 197
 198 MACHINE_START(QSD8X50_SURF, "QCT QSD8X50 SURF")
 199         .atag_offset = 0x100,
 200         .map_io = qsd8x50_map_io,
 201         .init_irq = qsd8x50_init_irq,
 202         .init_machine = qsd8x50_init,
 203         .init_late = qsd8x50_init_late,
 204         .init_time      = qsd8x50_timer_init,
 205 MACHINE_END
 206
 207 MACHINE_START(QSD8X50A_ST1_5, "QCT QSD8X50A ST1.5")
 208         .atag_offset = 0x100,
 209         .map_io = qsd8x50_map_io,
 210         .init_irq = qsd8x50_init_irq,
 211         .init_machine = qsd8x50_init,
 212         .init_late = qsd8x50_init_late,
 213         .init_time      = qsd8x50_timer_init,
 214 MACHINE_END