LXR uboot/board/compulab/cl-som-imx7/mux.c

   1/*
   2 * SPL/U-Boot mux functions for CompuLab CL-SOM-iMX7 module
   3 *
   4 * (C) Copyright 2017 CompuLab, Ltd. http://www.compulab.com
   5 *
   6 * Author: Uri Mashiach <uri.mashiach@compulab.co.il>
   7 *
   8 * SPDX-License-Identifier:     GPL-2.0+
   9 */
  10
  11#include <common.h>
  12#include <asm/mach-imx/iomux-v3.h>
  13#include <asm/arch-mx7/mx7-pins.h>
  14
  15#define PADS_SET(pads_array)                                                   \
  16void cl_som_imx7_##pads_array##_set(void)                                      \
  17{                                                                              \
  18        imx_iomux_v3_setup_multiple_pads(pads_array, ARRAY_SIZE(pads_array));  \
  19}
  20
  21#ifdef CONFIG_FSL_ESDHC
  22
  23#define USDHC_PAD_CTRL          (PAD_CTL_DSE_3P3V_32OHM | PAD_CTL_SRE_SLOW | \
  24                                PAD_CTL_HYS | PAD_CTL_PUE | \
  25                                PAD_CTL_PUS_PU47KOHM)
  26
  27static iomux_v3_cfg_t const usdhc1_pads[] = {
  28        MX7D_PAD_SD1_CLK__SD1_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  29        MX7D_PAD_SD1_CMD__SD1_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  30        MX7D_PAD_SD1_DATA0__SD1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  31        MX7D_PAD_SD1_DATA1__SD1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  32        MX7D_PAD_SD1_DATA2__SD1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  33        MX7D_PAD_SD1_DATA3__SD1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  34
  35        MX7D_PAD_SD1_CD_B__GPIO5_IO0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  36};
  37
  38PADS_SET(usdhc1_pads)
  39
  40#endif /* CONFIG_FSL_ESDHC */
  41
  42#define UART_PAD_CTRL           (PAD_CTL_DSE_3P3V_49OHM | \
  43                                PAD_CTL_PUS_PU100KOHM | PAD_CTL_HYS)
  44
  45static iomux_v3_cfg_t const uart1_pads[] = {
  46        MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
  47        MX7D_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
  48};
  49
  50PADS_SET(uart1_pads)
  51
  52#ifdef CONFIG_SPI
  53
  54#define SPI_PAD_CTRL    (PAD_CTL_HYS | PAD_CTL_SRE_SLOW | \
  55                        PAD_CTL_DSE_3P3V_32OHM)
  56
  57#define GPIO_PAD_CTRL   (PAD_CTL_PUS_PU5KOHM | PAD_CTL_PUE | \
  58                        PAD_CTL_SRE_SLOW)
  59
  60static iomux_v3_cfg_t const espi1_pads[] = {
  61        MX7D_PAD_ECSPI1_SCLK__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL),
  62        MX7D_PAD_ECSPI1_MISO__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL),
  63        MX7D_PAD_ECSPI1_MOSI__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL),
  64        MX7D_PAD_ECSPI1_SS0__GPIO4_IO19 | MUX_PAD_CTRL(GPIO_PAD_CTRL),
  65};
  66
  67PADS_SET(espi1_pads)
  68
  69#endif /* CONFIG_SPI */
  70
  71#ifndef CONFIG_SPL_BUILD
  72
  73#ifdef CONFIG_FSL_ESDHC
  74
  75static iomux_v3_cfg_t const usdhc3_emmc_pads[] = {
  76        MX7D_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  77        MX7D_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  78        MX7D_PAD_SD3_DATA0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  79        MX7D_PAD_SD3_DATA1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  80        MX7D_PAD_SD3_DATA2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  81        MX7D_PAD_SD3_DATA3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  82        MX7D_PAD_SD3_DATA4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  83        MX7D_PAD_SD3_DATA5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  84        MX7D_PAD_SD3_DATA6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  85        MX7D_PAD_SD3_DATA7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  86        MX7D_PAD_SD3_STROBE__SD3_STROBE  | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  87
  88        MX7D_PAD_SD3_RESET_B__GPIO6_IO11 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  89};
  90
  91PADS_SET(usdhc3_emmc_pads)
  92
  93#endif /* CONFIG_FSL_ESDHC */
  94
  95#ifdef CONFIG_FEC_MXC
  96
  97#define ENET_PAD_CTRL           (PAD_CTL_PUS_PD100KOHM | PAD_CTL_DSE_3P3V_49OHM)
  98#define ENET_PAD_CTRL_MII       (PAD_CTL_PUS_PU5KOHM)
  99
 100static iomux_v3_cfg_t const phy1_rst_pads[] = {
 101        /* PHY1 RST */
 102        MX7D_PAD_GPIO1_IO04__GPIO1_IO4  | MUX_PAD_CTRL(GPIO_PAD_CTRL),
 103};
 104
 105PADS_SET(phy1_rst_pads)
 106
 107static iomux_v3_cfg_t const fec1_pads[] = {
 108        MX7D_PAD_ENET1_RGMII_RX_CTL__ENET1_RGMII_RX_CTL |
 109        MUX_PAD_CTRL(ENET_PAD_CTRL),
 110        MX7D_PAD_ENET1_RGMII_RD0__ENET1_RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
 111        MX7D_PAD_ENET1_RGMII_RD1__ENET1_RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
 112        MX7D_PAD_ENET1_RGMII_RD2__ENET1_RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
 113        MX7D_PAD_ENET1_RGMII_RD3__ENET1_RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
 114        MX7D_PAD_ENET1_RGMII_RXC__ENET1_RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
 115        MX7D_PAD_ENET1_RGMII_TX_CTL__ENET1_RGMII_TX_CTL |
 116        MUX_PAD_CTRL(ENET_PAD_CTRL),
 117        MX7D_PAD_ENET1_RGMII_TD0__ENET1_RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
 118        MX7D_PAD_ENET1_RGMII_TD1__ENET1_RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
 119        MX7D_PAD_ENET1_RGMII_TD2__ENET1_RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
 120        MX7D_PAD_ENET1_RGMII_TD3__ENET1_RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
 121        MX7D_PAD_ENET1_RGMII_TXC__ENET1_RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
 122        MX7D_PAD_SD2_CD_B__ENET1_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL_MII),
 123        MX7D_PAD_SD2_WP__ENET1_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL_MII),
 124};
 125
 126PADS_SET(fec1_pads)
 127
 128#endif /* CONFIG_FEC_MXC */
 129
 130static iomux_v3_cfg_t const usb_otg1_pads[] = {
 131        MX7D_PAD_GPIO1_IO05__USB_OTG1_PWR | MUX_PAD_CTRL(NO_PAD_CTRL),
 132};
 133
 134PADS_SET(usb_otg1_pads)
 135
 136static iomux_v3_cfg_t const wdog_pads[] = {
 137        MX7D_PAD_GPIO1_IO00__WDOG1_WDOG_B | MUX_PAD_CTRL(NO_PAD_CTRL),
 138};
 139
 140PADS_SET(wdog_pads)
 141
 142#endif /* !CONFIG_SPL_BUILD */
 143