board/compulab/cl-som-am57x/mux.c

   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 */
  13 static 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 */
  19 static 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 */
  25 static 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 */
  30 static 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 */
  42 static 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 */
  52 static 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 */
  61 static 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 */
  67 static 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 */
  81 static 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 */
  87 static 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
 111 void 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 }