kernel/drivers/staging/board/armadillo800eva.c

   1 /*
   2  * Staging board support for Armadillo 800 eva.
   3  * Enable not-yet-DT-capable devices here.
   4  *
   5  * Based on board-armadillo800eva.c
   6  *
   7  * Copyright (C) 2012 Renesas Solutions Corp.
   8  * Copyright (C) 2012 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; version 2 of the License.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  */
  19
  20 #include <linux/dma-mapping.h>
  21 #include <linux/fb.h>
  22 #include <linux/kernel.h>
  23 #include <linux/platform_device.h>
  24 #include <linux/videodev2.h>
  25
  26 #include <video/sh_mobile_lcdc.h>
  27
  28 #include "board.h"
  29
  30
  31 static struct fb_videomode lcdc0_mode = {
  32         .name           = "AMPIER/AM-800480",
  33         .xres           = 800,
  34         .yres           = 480,
  35         .left_margin    = 88,
  36         .right_margin   = 40,
  37         .hsync_len      = 128,
  38         .upper_margin   = 20,
  39         .lower_margin   = 5,
  40         .vsync_len      = 5,
  41         .sync           = 0,
  42 };
  43
  44 static struct sh_mobile_lcdc_info lcdc0_info = {
  45         .clock_source   = LCDC_CLK_BUS,
  46         .ch[0] = {
  47                 .chan           = LCDC_CHAN_MAINLCD,
  48                 .fourcc         = V4L2_PIX_FMT_RGB565,
  49                 .interface_type = RGB24,
  50                 .clock_divider  = 5,
  51                 .flags          = 0,
  52                 .lcd_modes      = &lcdc0_mode,
  53                 .num_modes      = 1,
  54                 .panel_cfg = {
  55                         .width  = 111,
  56                         .height = 68,
  57                 },
  58         },
  59 };
  60
  61 static struct resource lcdc0_resources[] = {
  62         [0] = {
  63                 .name   = "LCD0",
  64                 .start  = 0xfe940000,
  65                 .end    = 0xfe943fff,
  66                 .flags  = IORESOURCE_MEM,
  67         },
  68         [1] = {
  69                 .start  = 177 + 32,
  70                 .flags  = IORESOURCE_IRQ,
  71         },
  72 };
  73
  74 static struct platform_device lcdc0_device = {
  75         .name           = "sh_mobile_lcdc_fb",
  76         .num_resources  = ARRAY_SIZE(lcdc0_resources),
  77         .resource       = lcdc0_resources,
  78         .id             = 0,
  79         .dev    = {
  80                 .platform_data  = &lcdc0_info,
  81                 .coherent_dma_mask = DMA_BIT_MASK(32),
  82         },
  83 };
  84
  85 static const struct board_staging_clk lcdc0_clocks[] __initconst = {
  86         { "lcdc0", NULL, "sh_mobile_lcdc_fb.0" },
  87 };
  88
  89 static const struct board_staging_dev armadillo800eva_devices[] __initconst = {
  90         {
  91                 .pdev           = &lcdc0_device,
  92                 .clocks         = lcdc0_clocks,
  93                 .nclocks        = ARRAY_SIZE(lcdc0_clocks),
  94                 .domain         = "/system-controller@e6180000/pm-domains/c5/a4lc@1"
  95         },
  96 };
  97
  98 static void __init armadillo800eva_init(void)
  99 {
 100         board_staging_gic_setup_xlate("arm,cortex-a9-gic", 32);
 101         board_staging_register_devices(armadillo800eva_devices,
 102                                        ARRAY_SIZE(armadillo800eva_devices));
 103 }
 104
 105 board_staging("renesas,armadillo800eva", armadillo800eva_init);