board/eets/pdu001/mux.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * mux.c
   4  *
   5  * Copyright (C) 2018 EETS GmbH - http://www.eets.ch/
   6  *
   7  * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
   8  */
   9
  10 #include <common.h>
  11 #include <i2c.h>
  12 #include <asm/arch/sys_proto.h>
  13 #include <asm/arch/hardware.h>
  14 #include <asm/arch/mux.h>
  15 #include <asm/io.h>
  16 #include "board.h"
  17
  18 static struct module_pin_mux uart0_pin_mux[] = {
  19         {OFFSET(uart0_rxd), (MODE(0) | PULLUP_EN | RXACTIVE)},  /* UART0_RXD */
  20         {OFFSET(uart0_txd), (MODE(0) | PULLUDEN)},              /* UART0_TXD */
  21         {-1},
  22 };
  23
  24 static struct module_pin_mux uart1_pin_mux[] = {
  25         {OFFSET(uart1_rxd), (MODE(0) | PULLUP_EN | RXACTIVE)},  /* UART1_RXD */
  26         {OFFSET(uart1_txd), (MODE(0) | PULLUDEN)},              /* UART1_TXD */
  27         {-1},
  28 };
  29
  30 static struct module_pin_mux uart2_pin_mux[] = {
  31         {OFFSET(spi0_sclk), (MODE(1) | PULLUP_EN | RXACTIVE)},  /* UART2_RXD */
  32         {OFFSET(spi0_d0), (MODE(1) | PULLUDEN)},                /* UART2_TXD */
  33         {-1},
  34 };
  35
  36 static struct module_pin_mux uart3_pin_mux[] = {
  37         {OFFSET(spi0_cs1), (MODE(1) | PULLUP_EN | RXACTIVE)},   /* UART3_RXD */
  38         {OFFSET(ecap0_in_pwm0_out), (MODE(1) | PULLUDEN)},      /* UART3_TXD */
  39         {-1},
  40 };
  41
  42 static struct module_pin_mux uart4_pin_mux[] = {
  43         {OFFSET(gpmc_wait0), (MODE(6) | PULLUP_EN | RXACTIVE)}, /* UART4_RXD */
  44         {OFFSET(gpmc_wpn), (MODE(6) | PULLUDEN)},               /* UART4_TXD */
  45         {-1},
  46 };
  47
  48 static struct module_pin_mux uart5_pin_mux[] = {
  49         {OFFSET(lcd_data9), (MODE(4) | PULLUP_EN | RXACTIVE)},  /* UART5_RXD */
  50         {OFFSET(lcd_data8), (MODE(4) | PULLUDEN)},              /* UART5_TXD */
  51         {-1},
  52 };
  53
  54 static struct module_pin_mux i2c0_pin_mux[] = {
  55         {OFFSET(i2c0_sda), (MODE(0) | RXACTIVE |
  56                         PULLUDEN | SLEWCTRL)},                  /* I2C_DATA  */
  57         {OFFSET(i2c0_scl), (MODE(0) | RXACTIVE |
  58                         PULLUDEN | SLEWCTRL)},                  /* I2C_SCLK  */
  59         {-1},
  60 };
  61
  62 void enable_uart0_pin_mux(void)
  63 {
  64         configure_module_pin_mux(uart0_pin_mux);
  65 }
  66
  67 void enable_uart1_pin_mux(void)
  68 {
  69         configure_module_pin_mux(uart1_pin_mux);
  70 }
  71
  72 void enable_uart2_pin_mux(void)
  73 {
  74         configure_module_pin_mux(uart2_pin_mux);
  75 }
  76
  77 void enable_uart3_pin_mux(void)
  78 {
  79         configure_module_pin_mux(uart3_pin_mux);
  80 }
  81
  82 void enable_uart4_pin_mux(void)
  83 {
  84         configure_module_pin_mux(uart4_pin_mux);
  85 }
  86
  87 void enable_uart5_pin_mux(void)
  88 {
  89         configure_module_pin_mux(uart5_pin_mux);
  90 }
  91
  92 void enable_uart_pin_mux(u32 addr)
  93 {
  94         switch (addr) {
  95         case CONFIG_SYS_NS16550_COM1:
  96                 enable_uart0_pin_mux();
  97                 break;
  98         case CONFIG_SYS_NS16550_COM2:
  99                 enable_uart1_pin_mux();
 100                 break;
 101         case CONFIG_SYS_NS16550_COM3:
 102                 enable_uart2_pin_mux();
 103                 break;
 104         case CONFIG_SYS_NS16550_COM4:
 105                 enable_uart3_pin_mux();
 106                 break;
 107         case CONFIG_SYS_NS16550_COM5:
 108                 enable_uart4_pin_mux();
 109                 break;
 110         case CONFIG_SYS_NS16550_COM6:
 111                 enable_uart5_pin_mux();
 112                 break;
 113         }
 114 }
 115
 116 void enable_i2c0_pin_mux(void)
 117 {
 118         configure_module_pin_mux(i2c0_pin_mux);
 119 }