target/linux/omap24xx/patches-3.3/300-cbus-platform.patch

   1 --- a/arch/arm/mach-omap2/board-n8x0.c
   2 +++ b/arch/arm/mach-omap2/board-n8x0.c
   3 @@ -15,8 +15,11 @@
   4  #include <linux/delay.h>
   5  #include <linux/gpio.h>
   6  #include <linux/init.h>
   7 +#include <linux/irq.h>
   8  #include <linux/io.h>
   9  #include <linux/stddef.h>
  10 +#include <linux/platform_device.h>
  11 +#include <linux/platform_data/cbus.h>
  12  #include <linux/i2c.h>
  13  #include <linux/spi/spi.h>
  14  #include <linux/usb/musb.h>
  15 @@ -193,6 +196,110 @@ static struct omap_onenand_platform_data
  16  };
  17  #endif
  18
  19 +#if defined(CONFIG_CBUS) || defined(CONFIG_CBUS_MODULE)
  20 +
  21 +static struct cbus_host_platform_data n8x0_cbus_data = {
  22 +       .clk_gpio       = 66,
  23 +       .dat_gpio       = 65,
  24 +       .sel_gpio       = 64,
  25 +};
  26 +
  27 +static struct platform_device n8x0_cbus_device = {
  28 +       .name           = "cbus",
  29 +       .id             = -1,
  30 +       .dev            = {
  31 +               .platform_data = &n8x0_cbus_data,
  32 +       },
  33 +};
  34 +
  35 +static struct resource retu_resource[] = {
  36 +       {
  37 +               .start  = -EINVAL, /* set later */
  38 +               .flags  = IORESOURCE_IRQ,
  39 +       },
  40 +};
  41 +
  42 +static struct cbus_retu_platform_data n8x0_retu_data = {
  43 +       .devid          = CBUS_RETU_DEVICE_ID,
  44 +};
  45 +
  46 +static struct platform_device retu_device = {
  47 +       .name           = "retu",
  48 +       .id             = -1,
  49 +       .resource       = retu_resource,
  50 +       .num_resources  = ARRAY_SIZE(retu_resource),
  51 +       .dev            = {
  52 +               .platform_data = &n8x0_retu_data,
  53 +               .parent = &n8x0_cbus_device.dev,
  54 +       },
  55 +};
  56 +
  57 +static struct resource tahvo_resource[] = {
  58 +       {
  59 +               .start  = -EINVAL, /* set later */
  60 +               .flags  = IORESOURCE_IRQ,
  61 +       }
  62 +};
  63 +
  64 +static struct platform_device tahvo_device = {
  65 +       .name           = "tahvo",
  66 +       .id             = -1,
  67 +       .resource       = tahvo_resource,
  68 +       .num_resources  = ARRAY_SIZE(tahvo_resource),
  69 +       .dev            = {
  70 +               .parent = &n8x0_cbus_device.dev,
  71 +       },
  72 +};
  73 +
  74 +static void __init n8x0_cbus_init(void)
  75 +{
  76 +       int             ret;
  77 +
  78 +       platform_device_register(&n8x0_cbus_device);
  79 +
  80 +       ret = gpio_request(108, "RETU irq");
  81 +       if (ret < 0) {
  82 +               pr_err("retu: Unable to reserve IRQ GPIO\n");
  83 +               return;
  84 +       }
  85 +
  86 +       ret = gpio_direction_input(108);
  87 +       if (ret < 0) {
  88 +               pr_err("retu: Unable to change gpio direction\n");
  89 +               gpio_free(108);
  90 +               return;
  91 +       }
  92 +
  93 +       irq_set_irq_type(gpio_to_irq(108), IRQ_TYPE_EDGE_RISING);
  94 +       retu_resource[0].start = gpio_to_irq(108);
  95 +       platform_device_register(&retu_device);
  96 +
  97 +       ret = gpio_request(111, "TAHVO irq");
  98 +       if (ret) {
  99 +               pr_err("tahvo: Unable to reserve IRQ GPIO\n");
 100 +               gpio_free(108);
 101 +               return;
 102 +       }
 103 +
 104 +       /* Set the pin as input */
 105 +       ret = gpio_direction_input(111);
 106 +       if (ret) {
 107 +               pr_err("tahvo: Unable to change direction\n");
 108 +               gpio_free(108);
 109 +               gpio_free(111);
 110 +               return;
 111 +       }
 112 +
 113 +       tahvo_resource[0].start = gpio_to_irq(111);
 114 +       platform_device_register(&tahvo_device);
 115 +}
 116 +
 117 +#else
 118 +static inline void __init n8x0_cbus_init(void)
 119 +{
 120 +}
 121 +#endif
 122 +
 123  #if defined(CONFIG_MENELAUS) &&                                                \
 124         (defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE))
 125
 126 @@ -671,6 +778,8 @@ static inline void board_serial_init(voi
 127  static void __init n8x0_init_machine(void)
 128  {
 129         omap2420_mux_init(board_mux, OMAP_PACKAGE_ZAC);
 130 +       n8x0_cbus_init();
 131 +
 132         /* FIXME: add n810 spi devices */
 133         spi_register_board_info(n800_spi_board_info,
 134                                 ARRAY_SIZE(n800_spi_board_info));
 135 --- /dev/null
 136 +++ b/include/linux/platform_data/cbus.h
 137 @@ -0,0 +1,38 @@
 138 +/*
 139 + * cbus.h - CBUS platform_data definition
 140 + *
 141 + * Copyright (C) 2004 - 2009 Nokia Corporation
 142 + *
 143 + * Written by Felipe Balbi <felipe.balbi@nokia.com>
 144 + *
 145 + * This file is subject to the terms and conditions of the GNU General
 146 + * Public License. See the file "COPYING" in the main directory of this
 147 + * archive for more details.
 148 + *
 149 + * This program is distributed in the hope that it will be useful,
 150 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
 151 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 152 + * GNU General Public License for more details.
 153 + *
 154 + * You should have received a copy of the GNU General Public License
 155 + * along with this program; if not, write to the Free Software
 156 + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 157 + */
 158 +
 159 +#ifndef __INCLUDE_LINUX_CBUS_H
 160 +#define __INCLUDE_LINUX_CBUS_H
 161 +
 162 +#define CBUS_RETU_DEVICE_ID    0x01
 163 +#define CBUS_TAHVO_DEVICE_ID   0x02
 164 +
 165 +struct cbus_host_platform_data {
 166 +       int     dat_gpio;
 167 +       int     clk_gpio;
 168 +       int     sel_gpio;
 169 +};
 170 +
 171 +struct cbus_retu_platform_data {
 172 +       int     devid;
 173 +};
 174 +
 175 +#endif /* __INCLUDE_LINUX_CBUS_H */