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_device_uart3,
  93         &msm_device_smd,
  94         &msm_device_otg,
  95         &msm_device_hsusb,
  96         &msm_device_hsusb_host,
  97 };
  98
  99 static struct msm_mmc_gpio sdc1_gpio_cfg[] = {
 100         {51, "sdc1_dat_3"},
 101         {52, "sdc1_dat_2"},
 102         {53, "sdc1_dat_1"},
 103         {54, "sdc1_dat_0"},
 104         {55, "sdc1_cmd"},
 105         {56, "sdc1_clk"}
 106 };
 107
 108 static struct vreg *vreg_mmc;
 109 static unsigned long vreg_sts;
 110
 111 static uint32_t msm_sdcc_setup_power(struct device *dv, unsigned int vdd)
 112 {
 113         int rc = 0;
 114         struct platform_device *pdev;
 115
 116         pdev = container_of(dv, struct platform_device, dev);
 117
 118         if (vdd == 0) {
 119                 if (!vreg_sts)
 120                         return 0;
 121
 122                 clear_bit(pdev->id, &vreg_sts);
 123
 124                 if (!vreg_sts) {
 125                         rc = vreg_disable(vreg_mmc);
 126                         if (rc)
 127                                 pr_err("vreg_mmc disable failed for slot "
 128                                                 "%d: %d\n", pdev->id, rc);
 129                 }
 130                 return 0;
 131         }
 132
 133         if (!vreg_sts) {
 134                 rc = vreg_set_level(vreg_mmc, 2900);
 135                 if (rc)
 136                         pr_err("vreg_mmc set level failed for slot %d: %d\n",
 137                                         pdev->id, rc);
 138                 rc = vreg_enable(vreg_mmc);
 139                 if (rc)
 140                         pr_err("vreg_mmc enable failed for slot %d: %d\n",
 141                                         pdev->id, rc);
 142         }
 143         set_bit(pdev->id, &vreg_sts);
 144         return 0;
 145 }
 146
 147 static struct msm_mmc_gpio_data sdc1_gpio = {
 148         .gpio = sdc1_gpio_cfg,
 149         .size = ARRAY_SIZE(sdc1_gpio_cfg),
 150 };
 151
 152 static struct msm_mmc_platform_data qsd8x50_sdc1_data = {
 153         .ocr_mask       = MMC_VDD_27_28 | MMC_VDD_28_29,
 154         .translate_vdd  = msm_sdcc_setup_power,
 155         .gpio_data = &sdc1_gpio,
 156 };
 157
 158 static void __init qsd8x50_init_mmc(void)
 159 {
 160         vreg_mmc = vreg_get(NULL, "gp5");
 161
 162         if (IS_ERR(vreg_mmc)) {
 163                 pr_err("vreg get for vreg_mmc failed (%ld)\n",
 164                                 PTR_ERR(vreg_mmc));
 165                 return;
 166         }
 167
 168         msm_add_sdcc(1, &qsd8x50_sdc1_data, 0, 0);
 169 }
 170
 171 static void __init qsd8x50_map_io(void)
 172 {
 173         msm_map_qsd8x50_io();
 174         msm_clock_init(msm_clocks_8x50, msm_num_clocks_8x50);
 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         .timer = &qsd8x50_timer,
 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         .timer = &qsd8x50_timer,
 213 MACHINE_END