arch/arm/mach-uniphier/ph1-sld8/pinctrl.c

   1 /*
   2  * Copyright (C) 2011-2015 Panasonic Corporation
   3  * Copyright (C) 2015      Socionext Inc.
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 #include <asm/io.h>
   9 #include <mach/sg-regs.h>
  10
  11 void pin_init(void)
  12 {
  13         /* Comment format:    PAD Name -> Function Name */
  14
  15 #ifdef CONFIG_SYS_I2C_UNIPHIER
  16         {
  17                 u32 tmp;
  18                 tmp = readl(SG_IECTRL);
  19                 tmp |= 0xc00; /* enable SCL0, SDA0, SCL1, SDA1 */
  20                 writel(tmp, SG_IECTRL);
  21         }
  22 #endif
  23
  24 #ifdef CONFIG_NAND_DENALI
  25         sg_set_pinsel(15, 0);   /* XNFRE_GB -> XNFRE_GB */
  26         sg_set_pinsel(16, 0);   /* XNFWE_GB -> XNFWE_GB */
  27         sg_set_pinsel(17, 0);   /* XFALE_GB -> NFALE_GB */
  28         sg_set_pinsel(18, 0);   /* XFCLE_GB -> NFCLE_GB */
  29         sg_set_pinsel(19, 0);   /* XNFWP_GB -> XFNWP_GB */
  30         sg_set_pinsel(20, 0);   /* XNFCE0_GB -> XNFCE0_GB */
  31         sg_set_pinsel(21, 0);   /* NANDRYBY0_GB -> NANDRYBY0_GB */
  32         sg_set_pinsel(22, 0);   /* XFNCE1_GB  -> XFNCE1_GB */
  33         sg_set_pinsel(23, 0);   /* NANDRYBY1_GB  -> NANDRYBY1_GB */
  34         sg_set_pinsel(24, 0);   /* NFD0_GB -> NFD0_GB */
  35         sg_set_pinsel(25, 0);   /* NFD1_GB -> NFD1_GB */
  36         sg_set_pinsel(26, 0);   /* NFD2_GB -> NFD2_GB */
  37         sg_set_pinsel(27, 0);   /* NFD3_GB -> NFD3_GB */
  38         sg_set_pinsel(28, 0);   /* NFD4_GB -> NFD4_GB */
  39         sg_set_pinsel(29, 0);   /* NFD5_GB -> NFD5_GB */
  40         sg_set_pinsel(30, 0);   /* NFD6_GB -> NFD6_GB */
  41         sg_set_pinsel(31, 0);   /* NFD7_GB -> NFD7_GB */
  42 #endif
  43
  44 #ifdef CONFIG_USB_EHCI_UNIPHIER
  45         sg_set_pinsel(41, 0);   /* USB0VBUS -> USB0VBUS */
  46         sg_set_pinsel(42, 0);   /* USB0OD   -> USB0OD */
  47         sg_set_pinsel(43, 0);   /* USB1VBUS -> USB1VBUS */
  48         sg_set_pinsel(44, 0);   /* USB1OD   -> USB1OD */
  49         /* sg_set_pinsel(114, 4); */ /* TXD1 -> USB2VBUS (shared with UART) */
  50         /* sg_set_pinsel(115, 4); */ /* RXD1 -> USB2OD */
  51 #endif
  52 }