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/mfd/88pm860x.h>
  21 #include <linux/platform_data/mv_usb.h>
  22
  23 #include <asm/mach-types.h>
  24 #include <asm/mach/arch.h>
  25 #include <asm/mach/flash.h>
  26 #include <mach/addr-map.h>
  27 #include <mach/mfp-pxa910.h>
  28 #include <mach/pxa910.h>
  29 #include <mach/irqs.h>
  30 #include <mach/regs-usb.h>
  31
  32 #include "common.h"
  33
  34 #define TTCDKB_GPIO_EXT0(x)     (MMP_NR_BUILTIN_GPIO + ((x < 0) ? 0 :   \
  35                                 ((x < 16) ? x : 15)))
  36 #define TTCDKB_GPIO_EXT1(x)     (MMP_NR_BUILTIN_GPIO + 16 + ((x < 0) ? 0 : \
  37                                 ((x < 16) ? x : 15)))
  38
  39 /*
  40  * 16 board interrupts -- MAX7312 GPIO expander
  41  * 16 board interrupts -- PCA9575 GPIO expander
  42  * 24 board interrupts -- 88PM860x PMIC
  43  */
  44 #define TTCDKB_NR_IRQS          (MMP_NR_IRQS + 16 + 16 + 24)
  45
  46 static unsigned long ttc_dkb_pin_config[] __initdata = {
  47         /* UART2 */
  48         GPIO47_UART2_RXD,
  49         GPIO48_UART2_TXD,
  50
  51         /* DFI */
  52         DF_IO0_ND_IO0,
  53         DF_IO1_ND_IO1,
  54         DF_IO2_ND_IO2,
  55         DF_IO3_ND_IO3,
  56         DF_IO4_ND_IO4,
  57         DF_IO5_ND_IO5,
  58         DF_IO6_ND_IO6,
  59         DF_IO7_ND_IO7,
  60         DF_IO8_ND_IO8,
  61         DF_IO9_ND_IO9,
  62         DF_IO10_ND_IO10,
  63         DF_IO11_ND_IO11,
  64         DF_IO12_ND_IO12,
  65         DF_IO13_ND_IO13,
  66         DF_IO14_ND_IO14,
  67         DF_IO15_ND_IO15,
  68         DF_nCS0_SM_nCS2_nCS0,
  69         DF_ALE_SM_WEn_ND_ALE,
  70         DF_CLE_SM_OEn_ND_CLE,
  71         DF_WEn_DF_WEn,
  72         DF_REn_DF_REn,
  73         DF_RDY0_DF_RDY0,
  74 };
  75
  76 static struct mtd_partition ttc_dkb_onenand_partitions[] = {
  77         {
  78                 .name           = "bootloader",
  79                 .offset         = 0,
  80                 .size           = SZ_1M,
  81                 .mask_flags     = MTD_WRITEABLE,
  82         }, {
  83                 .name           = "reserved",
  84                 .offset         = MTDPART_OFS_APPEND,
  85                 .size           = SZ_128K,
  86                 .mask_flags     = MTD_WRITEABLE,
  87         }, {
  88                 .name           = "reserved",
  89                 .offset         = MTDPART_OFS_APPEND,
  90                 .size           = SZ_8M,
  91                 .mask_flags     = MTD_WRITEABLE,
  92         }, {
  93                 .name           = "kernel",
  94                 .offset         = MTDPART_OFS_APPEND,
  95                 .size           = (SZ_2M + SZ_1M),
  96                 .mask_flags     = 0,
  97         }, {
  98                 .name           = "filesystem",
  99                 .offset         = MTDPART_OFS_APPEND,
 100                 .size           = SZ_32M + SZ_16M,
 101                 .mask_flags     = 0,
 102         }
 103 };
 104
 105 static struct onenand_platform_data ttc_dkb_onenand_info = {
 106         .parts          = ttc_dkb_onenand_partitions,
 107         .nr_parts       = ARRAY_SIZE(ttc_dkb_onenand_partitions),
 108 };
 109
 110 static struct resource ttc_dkb_resource_onenand[] = {
 111         [0] = {
 112                 .start  = SMC_CS0_PHYS_BASE,
 113                 .end    = SMC_CS0_PHYS_BASE + SZ_1M,
 114                 .flags  = IORESOURCE_MEM,
 115         },
 116 };
 117
 118 static struct platform_device ttc_dkb_device_onenand = {
 119         .name           = "onenand-flash",
 120         .id             = -1,
 121         .resource       = ttc_dkb_resource_onenand,
 122         .num_resources  = ARRAY_SIZE(ttc_dkb_resource_onenand),
 123         .dev            = {
 124                 .platform_data  = &ttc_dkb_onenand_info,
 125         },
 126 };
 127
 128 static struct platform_device *ttc_dkb_devices[] = {
 129         &pxa910_device_gpio,
 130         &pxa910_device_rtc,
 131         &ttc_dkb_device_onenand,
 132 };
 133
 134 static struct pca953x_platform_data max7312_data[] = {
 135         {
 136                 .gpio_base      = TTCDKB_GPIO_EXT0(0),
 137                 .irq_base       = MMP_NR_IRQS,
 138         },
 139 };
 140
 141 static struct pm860x_platform_data ttc_dkb_pm8607_info = {
 142         .irq_base       = IRQ_BOARD_START,
 143 };
 144
 145 static struct i2c_board_info ttc_dkb_i2c_info[] = {
 146         {
 147                 .type           = "88PM860x",
 148                 .addr           = 0x34,
 149                 .platform_data  = &ttc_dkb_pm8607_info,
 150                 .irq            = IRQ_PXA910_PMIC_INT,
 151         },
 152         {
 153                 .type           = "max7312",
 154                 .addr           = 0x23,
 155                 .irq            = MMP_GPIO_TO_IRQ(80),
 156                 .platform_data  = &max7312_data,
 157         },
 158 };
 159
 160 #ifdef CONFIG_USB_SUPPORT
 161 #if defined(CONFIG_USB_MV_UDC) || defined(CONFIG_USB_EHCI_MV_U2O)
 162
 163 static char *pxa910_usb_clock_name[] = {
 164         [0] = "U2OCLK",
 165 };
 166
 167 static struct mv_usb_platform_data ttc_usb_pdata = {
 168         .clknum         = 1,
 169         .clkname        = pxa910_usb_clock_name,
 170         .vbus           = NULL,
 171         .mode           = MV_USB_MODE_OTG,
 172         .otg_force_a_bus_req = 1,
 173         .phy_init       = pxa_usb_phy_init,
 174         .phy_deinit     = pxa_usb_phy_deinit,
 175         .set_vbus       = NULL,
 176 };
 177 #endif
 178 #endif
 179
 180 static void __init ttc_dkb_init(void)
 181 {
 182         mfp_config(ARRAY_AND_SIZE(ttc_dkb_pin_config));
 183
 184         /* on-chip devices */
 185         pxa910_add_uart(1);
 186
 187         /* off-chip devices */
 188         pxa910_add_twsi(0, NULL, ARRAY_AND_SIZE(ttc_dkb_i2c_info));
 189         platform_add_devices(ARRAY_AND_SIZE(ttc_dkb_devices));
 190
 191 #ifdef CONFIG_USB_MV_UDC
 192         pxa168_device_u2o.dev.platform_data = &ttc_usb_pdata;
 193         platform_device_register(&pxa168_device_u2o);
 194 #endif
 195
 196 #ifdef CONFIG_USB_EHCI_MV_U2O
 197         pxa168_device_u2oehci.dev.platform_data = &ttc_usb_pdata;
 198         platform_device_register(&pxa168_device_u2oehci);
 199 #endif
 200
 201 #ifdef CONFIG_USB_MV_OTG
 202         pxa168_device_u2ootg.dev.platform_data = &ttc_usb_pdata;
 203         platform_device_register(&pxa168_device_u2ootg);
 204 #endif
 205 }
 206
 207 MACHINE_START(TTC_DKB, "PXA910-based TTC_DKB Development Platform")
 208         .map_io         = mmp_map_io,
 209         .nr_irqs        = TTCDKB_NR_IRQS,
 210         .init_irq       = pxa910_init_irq,
 211         .timer          = &pxa910_timer,
 212         .init_machine   = ttc_dkb_init,
 213         .restart        = mmp_restart,
 214 MACHINE_END