1*2d92ba84SAsh Charles /* 2*2d92ba84SAsh Charles * Muxing for Gumstix Pepper and AM335x-based boards 3*2d92ba84SAsh Charles * 4*2d92ba84SAsh Charles * Copyright (C) 2014, Gumstix, Incorporated - http://www.gumstix.com/ 5*2d92ba84SAsh Charles * 6*2d92ba84SAsh Charles * SPDX-License-Identifier: GPL-2.0+ 7*2d92ba84SAsh Charles */ 8*2d92ba84SAsh Charles #include <common.h> 9*2d92ba84SAsh Charles #include <asm/arch/sys_proto.h> 10*2d92ba84SAsh Charles #include <asm/arch/hardware.h> 11*2d92ba84SAsh Charles #include <asm/arch/mux.h> 12*2d92ba84SAsh Charles #include <asm/io.h> 13*2d92ba84SAsh Charles #include <i2c.h> 14*2d92ba84SAsh Charles #include "board.h" 15*2d92ba84SAsh Charles 16*2d92ba84SAsh Charles static struct module_pin_mux uart0_pin_mux[] = { 17*2d92ba84SAsh Charles {OFFSET(uart0_rxd), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* UART0_RXD */ 18*2d92ba84SAsh Charles {OFFSET(uart0_txd), (MODE(0) | PULLUDEN)}, /* UART0_TXD */ 19*2d92ba84SAsh Charles {-1}, 20*2d92ba84SAsh Charles }; 21*2d92ba84SAsh Charles 22*2d92ba84SAsh Charles static struct module_pin_mux mmc0_pin_mux[] = { 23*2d92ba84SAsh Charles {OFFSET(mmc0_dat3), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_DAT3 */ 24*2d92ba84SAsh Charles {OFFSET(mmc0_dat2), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_DAT2 */ 25*2d92ba84SAsh Charles {OFFSET(mmc0_dat1), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_DAT1 */ 26*2d92ba84SAsh Charles {OFFSET(mmc0_dat0), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_DAT0 */ 27*2d92ba84SAsh Charles {OFFSET(mmc0_clk), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_CLK */ 28*2d92ba84SAsh Charles {OFFSET(mmc0_cmd), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_CMD */ 29*2d92ba84SAsh Charles {OFFSET(spi0_cs1), (MODE(5) | RXACTIVE | PULLUP_EN)}, /* MMC0_CD */ 30*2d92ba84SAsh Charles {-1}, 31*2d92ba84SAsh Charles }; 32*2d92ba84SAsh Charles 33*2d92ba84SAsh Charles static struct module_pin_mux i2c0_pin_mux[] = { 34*2d92ba84SAsh Charles /* I2C_DATA */ 35*2d92ba84SAsh Charles {OFFSET(i2c0_sda), (MODE(0) | RXACTIVE | PULLUDEN | SLEWCTRL)}, 36*2d92ba84SAsh Charles /* I2C_SCLK */ 37*2d92ba84SAsh Charles {OFFSET(i2c0_scl), (MODE(0) | RXACTIVE | PULLUDEN | SLEWCTRL)}, 38*2d92ba84SAsh Charles {-1}, 39*2d92ba84SAsh Charles }; 40*2d92ba84SAsh Charles 41*2d92ba84SAsh Charles static struct module_pin_mux rgmii1_pin_mux[] = { 42*2d92ba84SAsh Charles {OFFSET(mii1_txen), MODE(2)}, /* RGMII1_TCTL */ 43*2d92ba84SAsh Charles {OFFSET(mii1_rxdv), MODE(2) | RXACTIVE}, /* RGMII1_RCTL */ 44*2d92ba84SAsh Charles {OFFSET(mii1_txd3), MODE(2)}, /* RGMII1_TD3 */ 45*2d92ba84SAsh Charles {OFFSET(mii1_txd2), MODE(2)}, /* RGMII1_TD2 */ 46*2d92ba84SAsh Charles {OFFSET(mii1_txd1), MODE(2)}, /* RGMII1_TD1 */ 47*2d92ba84SAsh Charles {OFFSET(mii1_txd0), MODE(2)}, /* RGMII1_TD0 */ 48*2d92ba84SAsh Charles {OFFSET(mii1_txclk), MODE(2)}, /* RGMII1_TCLK */ 49*2d92ba84SAsh Charles {OFFSET(mii1_rxclk), MODE(2) | RXACTIVE}, /* RGMII1_RCLK */ 50*2d92ba84SAsh Charles {OFFSET(mii1_rxd3), MODE(2) | RXACTIVE}, /* RGMII1_RD3 */ 51*2d92ba84SAsh Charles {OFFSET(mii1_rxd2), MODE(2) | RXACTIVE}, /* RGMII1_RD2 */ 52*2d92ba84SAsh Charles {OFFSET(mii1_rxd1), MODE(2) | RXACTIVE}, /* RGMII1_RD1 */ 53*2d92ba84SAsh Charles {OFFSET(mii1_rxd0), MODE(2) | RXACTIVE}, /* RGMII1_RD0 */ 54*2d92ba84SAsh Charles {OFFSET(mdio_data), MODE(0) | RXACTIVE | PULLUP_EN},/* MDIO_DATA */ 55*2d92ba84SAsh Charles {OFFSET(mdio_clk), MODE(0) | PULLUP_EN}, /* MDIO_CLK */ 56*2d92ba84SAsh Charles {OFFSET(rmii1_refclk), MODE(7) | RXACTIVE}, /* ETH_INT */ 57*2d92ba84SAsh Charles {OFFSET(mii1_col), MODE(7) | PULLUP_EN}, /* PHY_NRESET */ 58*2d92ba84SAsh Charles {OFFSET(xdma_event_intr1), MODE(3)}, 59*2d92ba84SAsh Charles {-1}, 60*2d92ba84SAsh Charles }; 61*2d92ba84SAsh Charles 62*2d92ba84SAsh Charles void enable_uart0_pin_mux(void) 63*2d92ba84SAsh Charles { 64*2d92ba84SAsh Charles configure_module_pin_mux(uart0_pin_mux); 65*2d92ba84SAsh Charles } 66*2d92ba84SAsh Charles 67*2d92ba84SAsh Charles /* 68*2d92ba84SAsh Charles * Do board-specific muxes. 69*2d92ba84SAsh Charles */ 70*2d92ba84SAsh Charles void enable_board_pin_mux(void) 71*2d92ba84SAsh Charles { 72*2d92ba84SAsh Charles /* I2C0 */ 73*2d92ba84SAsh Charles configure_module_pin_mux(i2c0_pin_mux); 74*2d92ba84SAsh Charles /* SD Card */ 75*2d92ba84SAsh Charles configure_module_pin_mux(mmc0_pin_mux); 76*2d92ba84SAsh Charles /* Ethernet pinmux. */ 77*2d92ba84SAsh Charles configure_module_pin_mux(rgmii1_pin_mux); 78*2d92ba84SAsh Charles } 79