LXR uboot/board/gumstix/pepper/mux.c

   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * Muxing for Gumstix Pepper and AM335x-based boards
   4 *
   5 * Copyright (C) 2014, Gumstix, Incorporated - http://www.gumstix.com/
   6 */
   7#include <common.h>
   8#include <asm/arch/sys_proto.h>
   9#include <asm/arch/hardware.h>
  10#include <asm/arch/mux.h>
  11#include <asm/io.h>
  12#include <i2c.h>
  13#include "board.h"
  14
  15static struct module_pin_mux uart0_pin_mux[] = {
  16        {OFFSET(uart0_rxd), (MODE(0) | PULLUP_EN | RXACTIVE)},  /* UART0_RXD */
  17        {OFFSET(uart0_txd), (MODE(0) | PULLUDEN)},              /* UART0_TXD */
  18        {-1},
  19};
  20
  21static struct module_pin_mux mmc0_pin_mux[] = {
  22        {OFFSET(mmc0_dat3), (MODE(0) | RXACTIVE | PULLUP_EN)},  /* MMC0_DAT3 */
  23        {OFFSET(mmc0_dat2), (MODE(0) | RXACTIVE | PULLUP_EN)},  /* MMC0_DAT2 */
  24        {OFFSET(mmc0_dat1), (MODE(0) | RXACTIVE | PULLUP_EN)},  /* MMC0_DAT1 */
  25        {OFFSET(mmc0_dat0), (MODE(0) | RXACTIVE | PULLUP_EN)},  /* MMC0_DAT0 */
  26        {OFFSET(mmc0_clk), (MODE(0) | RXACTIVE | PULLUP_EN)},   /* MMC0_CLK */
  27        {OFFSET(mmc0_cmd), (MODE(0) | RXACTIVE | PULLUP_EN)},   /* MMC0_CMD */
  28        {OFFSET(spi0_cs1), (MODE(5) | RXACTIVE | PULLUP_EN)},   /* MMC0_CD */
  29        {-1},
  30};
  31
  32static struct module_pin_mux i2c0_pin_mux[] = {
  33        /* I2C_DATA */
  34        {OFFSET(i2c0_sda), (MODE(0) | RXACTIVE | PULLUDEN | SLEWCTRL)},
  35        /* I2C_SCLK */
  36        {OFFSET(i2c0_scl), (MODE(0) | RXACTIVE | PULLUDEN | SLEWCTRL)},
  37        {-1},
  38};
  39
  40static struct module_pin_mux rgmii1_pin_mux[] = {
  41        {OFFSET(mii1_txen), MODE(2)},                   /* RGMII1_TCTL */
  42        {OFFSET(mii1_rxdv), MODE(2) | RXACTIVE},        /* RGMII1_RCTL */
  43        {OFFSET(mii1_txd3), MODE(2)},                   /* RGMII1_TD3 */
  44        {OFFSET(mii1_txd2), MODE(2)},                   /* RGMII1_TD2 */
  45        {OFFSET(mii1_txd1), MODE(2)},                   /* RGMII1_TD1 */
  46        {OFFSET(mii1_txd0), MODE(2)},                   /* RGMII1_TD0 */
  47        {OFFSET(mii1_txclk), MODE(2)},                  /* RGMII1_TCLK */
  48        {OFFSET(mii1_rxclk), MODE(2) | RXACTIVE},       /* RGMII1_RCLK */
  49        {OFFSET(mii1_rxd3), MODE(2) | RXACTIVE},        /* RGMII1_RD3 */
  50        {OFFSET(mii1_rxd2), MODE(2) | RXACTIVE},        /* RGMII1_RD2 */
  51        {OFFSET(mii1_rxd1), MODE(2) | RXACTIVE},        /* RGMII1_RD1 */
  52        {OFFSET(mii1_rxd0), MODE(2) | RXACTIVE},        /* RGMII1_RD0 */
  53        {OFFSET(mdio_data), MODE(0) | RXACTIVE | PULLUP_EN},/* MDIO_DATA */
  54        {OFFSET(mdio_clk), MODE(0) | PULLUP_EN},        /* MDIO_CLK */
  55        {OFFSET(rmii1_refclk), MODE(7) | RXACTIVE},     /* ETH_INT */
  56        {OFFSET(mii1_col), MODE(7) | PULLUP_EN},        /* PHY_NRESET */
  57        {OFFSET(xdma_event_intr1), MODE(3)},
  58        {-1},
  59};
  60
  61void enable_uart0_pin_mux(void)
  62{
  63        configure_module_pin_mux(uart0_pin_mux);
  64}
  65
  66void enable_i2c0_pin_mux(void)
  67{
  68        configure_module_pin_mux(i2c0_pin_mux);
  69}
  70
  71/*
  72 * Do board-specific muxes.
  73 */
  74void enable_board_pin_mux(void)
  75{
  76        /* I2C0 */
  77        configure_module_pin_mux(i2c0_pin_mux);
  78        /* SD Card */
  79        configure_module_pin_mux(mmc0_pin_mux);
  80        /* Ethernet pinmux. */
  81        configure_module_pin_mux(rgmii1_pin_mux);
  82}
  83