uboot/board/compulab/cl-som-am57x/mux.c
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   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * Pinmux configuration for CompuLab CL-SOM-AM57x board
   4 *
   5 * (C) Copyright 2016 CompuLab, Ltd. http://compulab.co.il/
   6 *
   7 * Author: Dmitry Lifshitz <lifshitz@compulab.co.il>
   8 */
   9#include <asm/arch/sys_proto.h>
  10#include <asm/arch/mux_dra7xx.h>
  11
  12/* Serial console */
  13static const struct pad_conf_entry cl_som_am57x_padconf_console[] = {
  14        {UART3_RXD, (M0 | PIN_INPUT_PULLUP | SLEWCONTROL)}, /* UART3_RXD */
  15        {UART3_TXD, (M0 | PIN_INPUT_PULLUP | SLEWCONTROL)}, /* UART3_TXD */
  16};
  17
  18/* PMIC I2C */
  19static const struct pad_conf_entry cl_som_am57x_padconf_pmic[] = {
  20        {MCASP1_ACLKR, (M10 | PIN_INPUT)}, /* MCASP1_ACLKR.I2C4_SDA */
  21        {MCASP1_FSR,   (M10 | PIN_INPUT)}, /* MCASP1_FSR.I2C4_SCL */
  22};
  23
  24/* Green GPIO led */
  25static const struct pad_conf_entry cl_som_am57x_padconf_green_led[] = {
  26        {GPMC_A15, (M14 | PIN_OUTPUT_PULLDOWN)}, /* GPMC_A15.GPIO2_5 */
  27};
  28
  29/* MMC/SD Card */
  30static const struct pad_conf_entry cl_som_am57x_padconf_sd_card[] = {
  31        {MMC1_CLK,  (M0  | PIN_INPUT_PULLUP)}, /* MMC1_CLK */
  32        {MMC1_CMD,  (M0  | PIN_INPUT_PULLUP)}, /* MMC1_CMD */
  33        {MMC1_DAT0, (M0  | PIN_INPUT_PULLUP)}, /* MMC1_DAT0 */
  34        {MMC1_DAT1, (M0  | PIN_INPUT_PULLUP)}, /* MMC1_DAT1 */
  35        {MMC1_DAT2, (M0  | PIN_INPUT_PULLUP)}, /* MMC1_DAT2 */
  36        {MMC1_DAT3, (M0  | PIN_INPUT_PULLUP)}, /* MMC1_DAT3 */
  37        {MMC1_SDCD, (M14 | PIN_INPUT)       }, /* MMC1_SDCD */
  38        {MMC1_SDWP, (M14 | PIN_INPUT)       }, /* MMC1_SDWP */
  39};
  40
  41/* WiFi - must be in the safe mode on boot */
  42static const struct pad_conf_entry cl_som_am57x_padconf_wifi[] = {
  43        {UART1_CTSN, (M15 | PIN_INPUT_PULLDOWN)}, /* UART1_CTSN */
  44        {UART1_RTSN, (M15 | PIN_INPUT_PULLDOWN)}, /* UART1_RTSN */
  45        {UART2_RXD,  (M15 | PIN_INPUT_PULLDOWN)}, /* UART2_RXD */
  46        {UART2_TXD,  (M15 | PIN_INPUT_PULLDOWN)}, /* UART2_TXD */
  47        {UART2_CTSN, (M15 | PIN_INPUT_PULLDOWN)}, /* UART2_CTSN */
  48        {UART2_RTSN, (M15 | PIN_INPUT_PULLDOWN)}, /* UART2_RTSN */
  49};
  50
  51/* QSPI */
  52static const struct pad_conf_entry cl_som_am57x_padconf_qspi[] = {
  53        {GPMC_A13, (M1 | PIN_INPUT)       }, /* GPMC_A13.QSPI1_RTCLK */
  54        {GPMC_A18, (M1 | PIN_INPUT)       }, /* GPMC_A18.QSPI1_SCLK */
  55        {GPMC_A16, (M1 | PIN_INPUT)       }, /* GPMC_A16.QSPI1_D0 */
  56        {GPMC_A17, (M1 | PIN_INPUT)       }, /* GPMC_A17.QSPI1_D1 */
  57        {GPMC_CS2, (M1 | PIN_INPUT_PULLUP)}, /* GPMC_CS2.QSPI1_CS0 */
  58};
  59
  60/* GPIO Expander I2C */
  61static const struct pad_conf_entry cl_som_am57x_padconf_i2c_gpio[] = {
  62        {MCASP1_AXR0, (M10 | PIN_INPUT)}, /* MCASP1_AXR0.I2C5_SDA */
  63        {MCASP1_AXR1, (M10 | PIN_INPUT)}, /* MCASP1_AXR1.I2C5_SCL */
  64};
  65
  66/* eMMC internal storage */
  67static const struct pad_conf_entry cl_som_am57x_padconf_emmc[] = {
  68        {GPMC_A19, (M1 | PIN_INPUT_PULLUP)}, /* GPMC_A19.MMC2_DAT4 */
  69        {GPMC_A20, (M1 | PIN_INPUT_PULLUP)}, /* GPMC_A20.MMC2_DAT5 */
  70        {GPMC_A21, (M1 | PIN_INPUT_PULLUP)}, /* GPMC_A21.MMC2_DAT6 */
  71        {GPMC_A22, (M1 | PIN_INPUT_PULLUP)}, /* GPMC_A22.MMC2_DAT7 */
  72        {GPMC_A23, (M1 | PIN_INPUT_PULLUP)}, /* GPMC_A23.MMC2_CLK */
  73        {GPMC_A24, (M1 | PIN_INPUT_PULLUP)}, /* GPMC_A24.MMC2_DAT0 */
  74        {GPMC_A25, (M1 | PIN_INPUT_PULLUP)}, /* GPMC_A25.MMC2_DAT1 */
  75        {GPMC_A26, (M1 | PIN_INPUT_PULLUP)}, /* GPMC_A26.MMC2_DAT2 */
  76        {GPMC_A27, (M1 | PIN_INPUT_PULLUP)}, /* GPMC_A27.MMC2_DAT3 */
  77        {GPMC_CS1, (M1 | PIN_INPUT_PULLUP)}, /* GPMC_CS1.MMC2_CMD */
  78};
  79
  80/* usb1_drvvbus */
  81static const struct pad_conf_entry cl_som_am57x_padconf_usb[] = {
  82        /* USB1_DRVVBUS.USB1_DRVVBUS */
  83        {USB1_DRVVBUS, (M0 | PIN_OUTPUT_PULLDOWN | SLEWCONTROL) },
  84};
  85
  86/* Ethernet */
  87static const struct pad_conf_entry cl_som_am57x_padconf_ethernet[] = {
  88        /* MDIO bus */
  89        {VIN2A_D10,  (M3  | PIN_OUTPUT_PULLUP) }, /* VIN2A_D10.MDIO_MCLK  */
  90        {VIN2A_D11,  (M3  | PIN_INPUT_PULLUP)  }, /* VIN2A_D11.MDIO_D  */
  91        /* EMAC Slave 1 at addr 0x1 - Default interface */
  92        {VIN2A_D12,  (M3  | PIN_OUTPUT)         }, /* VIN2A_D12.RGMII1_TXC */
  93        {VIN2A_D13,  (M3  | PIN_OUTPUT)         }, /* VIN2A_D13.RGMII1_TXCTL */
  94        {VIN2A_D14,  (M3  | PIN_OUTPUT)         }, /* VIN2A_D14.RGMII1_TXD3 */
  95        {VIN2A_D15,  (M3  | PIN_OUTPUT)         }, /* VIN2A_D15.RGMII1_TXD2 */
  96        {VIN2A_D16,  (M3  | PIN_OUTPUT)         }, /* VIN2A_D16.RGMII1_TXD1 */
  97        {VIN2A_D17,  (M3  | PIN_OUTPUT)         }, /* VIN2A_D17.RGMII1_TXD0 */
  98        {VIN2A_D18,  (M3  | PIN_INPUT_PULLDOWN) }, /* VIN2A_D18.RGMII1_RXC */
  99        {VIN2A_D19,  (M3  | PIN_INPUT_PULLDOWN) }, /* VIN2A_D19.RGMII1_RXCTL */
 100        {VIN2A_D20,  (M3  | PIN_INPUT_PULLDOWN) }, /* VIN2A_D20.RGMII1_RXD3 */
 101        {VIN2A_D21,  (M3  | PIN_INPUT_PULLDOWN) }, /* VIN2A_D21.RGMII1_RXD2 */
 102        {VIN2A_D22,  (M3  | PIN_INPUT_PULLDOWN) }, /* VIN2A_D22.RGMII1_RXD1 */
 103        {VIN2A_D23,  (M3  | PIN_INPUT_PULLDOWN) }, /* VIN2A_D23.RGMII1_RXD0 */
 104        /* Eth PHY1 reset GPIOs*/
 105        {VIN2A_CLK0, (M14 | PIN_OUTPUT_PULLDOWN)}, /* VIN2A_CLK0.GPIO3_28 */
 106};
 107
 108#define SET_MUX(mux_array) do_set_mux32((*ctrl)->control_padconf_core_base, \
 109                                        mux_array, ARRAY_SIZE(mux_array))
 110
 111void set_muxconf_regs(void)
 112{
 113        SET_MUX(cl_som_am57x_padconf_console);
 114        SET_MUX(cl_som_am57x_padconf_pmic);
 115        SET_MUX(cl_som_am57x_padconf_green_led);
 116        SET_MUX(cl_som_am57x_padconf_sd_card);
 117        SET_MUX(cl_som_am57x_padconf_wifi);
 118        SET_MUX(cl_som_am57x_padconf_qspi);
 119        SET_MUX(cl_som_am57x_padconf_i2c_gpio);
 120        SET_MUX(cl_som_am57x_padconf_emmc);
 121        SET_MUX(cl_som_am57x_padconf_usb);
 122        SET_MUX(cl_som_am57x_padconf_ethernet);
 123}
 124