arch/arm/mach-davinci/da8xx-dt.c

   1 /*
   2  * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
   3  *
   4  * Modified from mach-omap/omap2/board-generic.c
   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  * published by the Free Software Foundation.
   9  */
  10 #include <linux/io.h>
  11 #include <linux/of_irq.h>
  12 #include <linux/of_platform.h>
  13 #include <linux/irqdomain.h>
  14 #include <linux/platform_data/ti-aemif.h>
  15
  16 #include <asm/mach/arch.h>
  17
  18 #include <mach/common.h>
  19 #include "cp_intc.h"
  20 #include <mach/da8xx.h>
  21
  22 static struct of_dev_auxdata da850_aemif_auxdata_lookup[] = {
  23         OF_DEV_AUXDATA("ti,davinci-nand", 0x62000000, "davinci-nand.0", NULL),
  24         {}
  25 };
  26
  27 static struct aemif_platform_data aemif_data = {
  28         .dev_lookup = da850_aemif_auxdata_lookup,
  29 };
  30
  31 static struct of_dev_auxdata da850_auxdata_lookup[] __initdata = {
  32         OF_DEV_AUXDATA("ti,davinci-i2c", 0x01c22000, "i2c_davinci.1", NULL),
  33         OF_DEV_AUXDATA("ti,davinci-i2c", 0x01e28000, "i2c_davinci.2", NULL),
  34         OF_DEV_AUXDATA("ti,davinci-wdt", 0x01c21000, "davinci-wdt", NULL),
  35         OF_DEV_AUXDATA("ti,da830-mmc", 0x01c40000, "da830-mmc.0", NULL),
  36         OF_DEV_AUXDATA("ti,da850-ehrpwm", 0x01f00000, "ehrpwm.0", NULL),
  37         OF_DEV_AUXDATA("ti,da850-ehrpwm", 0x01f02000, "ehrpwm.1", NULL),
  38         OF_DEV_AUXDATA("ti,da850-ecap", 0x01f06000, "ecap.0", NULL),
  39         OF_DEV_AUXDATA("ti,da850-ecap", 0x01f07000, "ecap.1", NULL),
  40         OF_DEV_AUXDATA("ti,da850-ecap", 0x01f08000, "ecap.2", NULL),
  41         OF_DEV_AUXDATA("ti,da830-spi", 0x01c41000, "spi_davinci.0", NULL),
  42         OF_DEV_AUXDATA("ti,da830-spi", 0x01f0e000, "spi_davinci.1", NULL),
  43         OF_DEV_AUXDATA("ns16550a", 0x01c42000, "serial8250.0", NULL),
  44         OF_DEV_AUXDATA("ns16550a", 0x01d0c000, "serial8250.1", NULL),
  45         OF_DEV_AUXDATA("ns16550a", 0x01d0d000, "serial8250.2", NULL),
  46         OF_DEV_AUXDATA("ti,davinci_mdio", 0x01e24000, "davinci_mdio.0", NULL),
  47         OF_DEV_AUXDATA("ti,davinci-dm6467-emac", 0x01e20000, "davinci_emac.1",
  48                        NULL),
  49         OF_DEV_AUXDATA("ti,da830-mcasp-audio", 0x01d00000, "davinci-mcasp.0", NULL),
  50         OF_DEV_AUXDATA("ti,da850-aemif", 0x68000000, "ti-aemif", &aemif_data),
  51         OF_DEV_AUXDATA("ti,da850-tilcdc", 0x01e13000, "da8xx_lcdc.0", NULL),
  52         OF_DEV_AUXDATA("ti,da830-ohci", 0x01e25000, "ohci-da8xx", NULL),
  53         OF_DEV_AUXDATA("ti,da830-musb", 0x01e00000, "musb-da8xx", NULL),
  54         OF_DEV_AUXDATA("ti,da830-usb-phy", 0x01c1417c, "da8xx-usb-phy", NULL),
  55         OF_DEV_AUXDATA("ti,da850-ahci", 0x01e18000, "ahci_da850", NULL),
  56         OF_DEV_AUXDATA("ti,da850-vpif", 0x01e17000, "vpif", NULL),
  57         {}
  58 };
  59
  60 #ifdef CONFIG_ARCH_DAVINCI_DA850
  61
  62 static void __init da850_init_machine(void)
  63 {
  64         /* All existing boards use 100MHz SATA refclkpn */
  65         static const unsigned long sata_refclkpn = 100 * 1000 * 1000;
  66
  67         int ret;
  68
  69         ret = da8xx_register_usb20_phy_clk(false);
  70         if (ret)
  71                 pr_warn("%s: registering USB 2.0 PHY clock failed: %d",
  72                         __func__, ret);
  73         ret = da8xx_register_usb11_phy_clk(false);
  74         if (ret)
  75                 pr_warn("%s: registering USB 1.1 PHY clock failed: %d",
  76                         __func__, ret);
  77
  78         ret = da850_register_sata_refclk(sata_refclkpn);
  79         if (ret)
  80                 pr_warn("%s: registering SATA REFCLK failed: %d",
  81                         __func__, ret);
  82
  83         of_platform_default_populate(NULL, da850_auxdata_lookup, NULL);
  84         davinci_pm_init();
  85         pdata_quirks_init();
  86 }
  87
  88 static const char *const da850_boards_compat[] __initconst = {
  89         "enbw,cmc",
  90         "ti,da850-lcdk",
  91         "ti,da850-evm",
  92         "ti,da850",
  93         NULL,
  94 };
  95
  96 DT_MACHINE_START(DA850_DT, "Generic DA850/OMAP-L138/AM18x")
  97         .map_io         = da850_init,
  98         .init_time      = davinci_timer_init,
  99         .init_machine   = da850_init_machine,
 100         .dt_compat      = da850_boards_compat,
 101         .init_late      = davinci_init_late,
 102         .restart        = da8xx_restart,
 103 MACHINE_END
 104
 105 #endif