arch/arm/mach-shmobile/board-genmai.c

   1 /*
   2  * Genmai board support
   3  *
   4  * Copyright (C) 2013  Renesas Solutions Corp.
   5  * Copyright (C) 2013  Magnus Damm
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; version 2 of the License.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  */
  20
  21 #include <linux/kernel.h>
  22 #include <linux/platform_device.h>
  23 #include <linux/sh_eth.h>
  24 #include <linux/spi/rspi.h>
  25 #include <linux/spi/spi.h>
  26 #include <mach/common.h>
  27 #include <mach/irqs.h>
  28 #include <mach/r7s72100.h>
  29 #include <asm/mach-types.h>
  30 #include <asm/mach/arch.h>
  31
  32 /* Ether */
  33 static const struct sh_eth_plat_data ether_pdata __initconst = {
  34         .phy                    = 0x00, /* PD60610 */
  35         .edmac_endian           = EDMAC_LITTLE_ENDIAN,
  36         .phy_interface          = PHY_INTERFACE_MODE_MII,
  37         .no_ether_link          = 1
  38 };
  39
  40 static const struct resource ether_resources[] __initconst = {
  41         DEFINE_RES_MEM(0xe8203000, 0x800),
  42         DEFINE_RES_MEM(0xe8204800, 0x200),
  43         DEFINE_RES_IRQ(gic_iid(359)),
  44 };
  45
  46 /* RSPI */
  47 #define RSPI_RESOURCE(idx, baseaddr, irq)                               \
  48 static const struct resource rspi##idx##_resources[] __initconst = {    \
  49         DEFINE_RES_MEM(baseaddr, 0x24),                                 \
  50         DEFINE_RES_IRQ_NAMED(irq, "error"),                             \
  51         DEFINE_RES_IRQ_NAMED(irq + 1, "rx"),                            \
  52         DEFINE_RES_IRQ_NAMED(irq + 2, "tx"),                            \
  53 }
  54
  55 RSPI_RESOURCE(0, 0xe800c800, gic_iid(270));
  56 RSPI_RESOURCE(1, 0xe800d000, gic_iid(273));
  57 RSPI_RESOURCE(2, 0xe800d800, gic_iid(276));
  58 RSPI_RESOURCE(3, 0xe800e000, gic_iid(279));
  59 RSPI_RESOURCE(4, 0xe800e800, gic_iid(282));
  60
  61 static const struct rspi_plat_data rspi_pdata __initconst = {
  62         .num_chipselect = 1,
  63 };
  64
  65 #define r7s72100_register_rspi(idx)                                        \
  66         platform_device_register_resndata(&platform_bus, "rspi-rz", idx,   \
  67                                         rspi##idx##_resources,             \
  68                                         ARRAY_SIZE(rspi##idx##_resources), \
  69                                         &rspi_pdata, sizeof(rspi_pdata))
  70
  71 static const struct spi_board_info spi_info[] __initconst = {
  72         {
  73                 .modalias               = "wm8978",
  74                 .max_speed_hz           = 5000000,
  75                 .bus_num                = 4,
  76                 .chip_select            = 0,
  77         },
  78 };
  79
  80 static void __init genmai_add_standard_devices(void)
  81 {
  82         r7s72100_clock_init();
  83         r7s72100_add_dt_devices();
  84
  85         platform_device_register_resndata(&platform_bus, "r7s72100-ether", -1,
  86                                           ether_resources,
  87                                           ARRAY_SIZE(ether_resources),
  88                                           &ether_pdata, sizeof(ether_pdata));
  89
  90         r7s72100_register_rspi(0);
  91         r7s72100_register_rspi(1);
  92         r7s72100_register_rspi(2);
  93         r7s72100_register_rspi(3);
  94         r7s72100_register_rspi(4);
  95         spi_register_board_info(spi_info, ARRAY_SIZE(spi_info));
  96 }
  97
  98 static const char * const genmai_boards_compat_dt[] __initconst = {
  99         "renesas,genmai",
 100         NULL,
 101 };
 102
 103 DT_MACHINE_START(GENMAI_DT, "genmai")
 104         .init_early     = r7s72100_init_early,
 105         .init_machine   = genmai_add_standard_devices,
 106         .dt_compat      = genmai_boards_compat_dt,
 107 MACHINE_END