arch/arm/mach-mmp/ttc_dkb.c

   1 /*
   2  *  linux/arch/arm/mach-mmp/ttc_dkb.c
   3  *
   4  *  Support for the Marvell PXA910-based TTC_DKB Development Platform.
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License version 2 as
   8  *  publishhed by the Free Software Foundation.
   9  */
  10
  11 #include <linux/init.h>
  12 #include <linux/kernel.h>
  13 #include <linux/platform_device.h>
  14 #include <linux/mtd/mtd.h>
  15 #include <linux/mtd/partitions.h>
  16 #include <linux/mtd/onenand.h>
  17 #include <linux/interrupt.h>
  18 #include <linux/i2c/pca953x.h>
  19 #include <linux/gpio.h>
  20 #include <linux/platform_data/mv_usb.h>
  21
  22 #include <asm/mach-types.h>
  23 #include <asm/mach/arch.h>
  24 #include <asm/mach/flash.h>
  25 #include <mach/addr-map.h>
  26 #include <mach/mfp-pxa910.h>
  27 #include <mach/pxa910.h>
  28 #include <mach/irqs.h>
  29 #include <mach/regs-usb.h>
  30
  31 #include "common.h"
  32
  33 #define TTCDKB_GPIO_EXT0(x)     (MMP_NR_BUILTIN_GPIO + ((x < 0) ? 0 :   \
  34                                 ((x < 16) ? x : 15)))
  35 #define TTCDKB_GPIO_EXT1(x)     (MMP_NR_BUILTIN_GPIO + 16 + ((x < 0) ? 0 : \
  36                                 ((x < 16) ? x : 15)))
  37
  38 /*
  39  * 16 board interrupts -- MAX7312 GPIO expander
  40  * 16 board interrupts -- PCA9575 GPIO expander
  41  * 24 board interrupts -- 88PM860x PMIC
  42  */
  43 #define TTCDKB_NR_IRQS          (MMP_NR_IRQS + 16 + 16 + 24)
  44
  45 static unsigned long ttc_dkb_pin_config[] __initdata = {
  46         /* UART2 */
  47         GPIO47_UART2_RXD,
  48         GPIO48_UART2_TXD,
  49
  50         /* DFI */
  51         DF_IO0_ND_IO0,
  52         DF_IO1_ND_IO1,
  53         DF_IO2_ND_IO2,
  54         DF_IO3_ND_IO3,
  55         DF_IO4_ND_IO4,
  56         DF_IO5_ND_IO5,
  57         DF_IO6_ND_IO6,
  58         DF_IO7_ND_IO7,
  59         DF_IO8_ND_IO8,
  60         DF_IO9_ND_IO9,
  61         DF_IO10_ND_IO10,
  62         DF_IO11_ND_IO11,
  63         DF_IO12_ND_IO12,
  64         DF_IO13_ND_IO13,
  65         DF_IO14_ND_IO14,
  66         DF_IO15_ND_IO15,
  67         DF_nCS0_SM_nCS2_nCS0,
  68         DF_ALE_SM_WEn_ND_ALE,
  69         DF_CLE_SM_OEn_ND_CLE,
  70         DF_WEn_DF_WEn,
  71         DF_REn_DF_REn,
  72         DF_RDY0_DF_RDY0,
  73 };
  74
  75 static struct mtd_partition ttc_dkb_onenand_partitions[] = {
  76         {
  77                 .name           = "bootloader",
  78                 .offset         = 0,
  79                 .size           = SZ_1M,
  80                 .mask_flags     = MTD_WRITEABLE,
  81         }, {
  82                 .name           = "reserved",
  83                 .offset         = MTDPART_OFS_APPEND,
  84                 .size           = SZ_128K,
  85                 .mask_flags     = MTD_WRITEABLE,
  86         }, {
  87                 .name           = "reserved",
  88                 .offset         = MTDPART_OFS_APPEND,
  89                 .size           = SZ_8M,
  90                 .mask_flags     = MTD_WRITEABLE,
  91         }, {
  92                 .name           = "kernel",
  93                 .offset         = MTDPART_OFS_APPEND,
  94                 .size           = (SZ_2M + SZ_1M),
  95                 .mask_flags     = 0,
  96         }, {
  97                 .name           = "filesystem",
  98                 .offset         = MTDPART_OFS_APPEND,
  99                 .size           = SZ_32M + SZ_16M,
 100                 .mask_flags     = 0,
 101         }
 102 };
 103
 104 static struct onenand_platform_data ttc_dkb_onenand_info = {
 105         .parts          = ttc_dkb_onenand_partitions,
 106         .nr_parts       = ARRAY_SIZE(ttc_dkb_onenand_partitions),
 107 };
 108
 109 static struct resource ttc_dkb_resource_onenand[] = {
 110         [0] = {
 111                 .start  = SMC_CS0_PHYS_BASE,
 112                 .end    = SMC_CS0_PHYS_BASE + SZ_1M,
 113                 .flags  = IORESOURCE_MEM,
 114         },
 115 };
 116
 117 static struct platform_device ttc_dkb_device_onenand = {
 118         .name           = "onenand-flash",
 119         .id             = -1,
 120         .resource       = ttc_dkb_resource_onenand,
 121         .num_resources  = ARRAY_SIZE(ttc_dkb_resource_onenand),
 122         .dev            = {
 123                 .platform_data  = &ttc_dkb_onenand_info,
 124         },
 125 };
 126
 127 static struct platform_device *ttc_dkb_devices[] = {
 128         &pxa910_device_gpio,
 129         &pxa910_device_rtc,
 130         &ttc_dkb_device_onenand,
 131 };
 132
 133 static struct pca953x_platform_data max7312_data[] = {
 134         {
 135                 .gpio_base      = TTCDKB_GPIO_EXT0(0),
 136                 .irq_base       = MMP_NR_IRQS,
 137         },
 138 };
 139
 140 static struct i2c_board_info ttc_dkb_i2c_info[] = {
 141         {
 142                 .type           = "max7312",
 143                 .addr           = 0x23,
 144                 .irq            = MMP_GPIO_TO_IRQ(80),
 145                 .platform_data  = &max7312_data,
 146         },
 147 };
 148
 149 #ifdef CONFIG_USB_SUPPORT
 150 #if defined(CONFIG_USB_MV_UDC) || defined(CONFIG_USB_EHCI_MV_U2O)
 151
 152 static char *pxa910_usb_clock_name[] = {
 153         [0] = "U2OCLK",
 154 };
 155
 156 static struct mv_usb_platform_data ttc_usb_pdata = {
 157         .clknum         = 1,
 158         .clkname        = pxa910_usb_clock_name,
 159         .vbus           = NULL,
 160         .mode           = MV_USB_MODE_OTG,
 161         .otg_force_a_bus_req = 1,
 162         .phy_init       = pxa_usb_phy_init,
 163         .phy_deinit     = pxa_usb_phy_deinit,
 164         .set_vbus       = NULL,
 165 };
 166 #endif
 167 #endif
 168
 169 static void __init ttc_dkb_init(void)
 170 {
 171         mfp_config(ARRAY_AND_SIZE(ttc_dkb_pin_config));
 172
 173         /* on-chip devices */
 174         pxa910_add_uart(1);
 175
 176         /* off-chip devices */
 177         pxa910_add_twsi(0, NULL, ARRAY_AND_SIZE(ttc_dkb_i2c_info));
 178         platform_add_devices(ARRAY_AND_SIZE(ttc_dkb_devices));
 179
 180 #ifdef CONFIG_USB_MV_UDC
 181         pxa168_device_u2o.dev.platform_data = &ttc_usb_pdata;
 182         platform_device_register(&pxa168_device_u2o);
 183 #endif
 184
 185 #ifdef CONFIG_USB_EHCI_MV_U2O
 186         pxa168_device_u2oehci.dev.platform_data = &ttc_usb_pdata;
 187         platform_device_register(&pxa168_device_u2oehci);
 188 #endif
 189
 190 #ifdef CONFIG_USB_MV_OTG
 191         pxa168_device_u2ootg.dev.platform_data = &ttc_usb_pdata;
 192         platform_device_register(&pxa168_device_u2ootg);
 193 #endif
 194 }
 195
 196 MACHINE_START(TTC_DKB, "PXA910-based TTC_DKB Development Platform")
 197         .map_io         = mmp_map_io,
 198         .nr_irqs        = TTCDKB_NR_IRQS,
 199         .init_irq       = pxa910_init_irq,
 200         .timer          = &pxa910_timer,
 201         .init_machine   = ttc_dkb_init,
 202         .restart        = mmp_restart,
 203 MACHINE_END