dalmore.c 2.4 KB

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  1. // SPDX-License-Identifier: GPL-2.0
  2. /*
  3. * Copyright (c) 2010-2013, NVIDIA CORPORATION. All rights reserved.
  4. */
  5. #include <common.h>
  6. #include <dm.h>
  7. #include <asm/arch/pinmux.h>
  8. #include <asm/arch/gp_padctrl.h>
  9. #include "pinmux-config-dalmore.h"
  10. #include <i2c.h>
  11. #define BAT_I2C_ADDRESS 0x48 /* TPS65090 charger */
  12. #define PMU_I2C_ADDRESS 0x58 /* TPS65913 PMU */
  13. /*
  14. * Routine: pinmux_init
  15. * Description: Do individual peripheral pinmux configs
  16. */
  17. void pinmux_init(void)
  18. {
  19. pinmux_config_pingrp_table(tegra114_pinmux_set_nontristate,
  20. ARRAY_SIZE(tegra114_pinmux_set_nontristate));
  21. pinmux_config_pingrp_table(tegra114_pinmux_common,
  22. ARRAY_SIZE(tegra114_pinmux_common));
  23. pinmux_config_pingrp_table(unused_pins_lowpower,
  24. ARRAY_SIZE(unused_pins_lowpower));
  25. /* Initialize any non-default pad configs (APB_MISC_GP regs) */
  26. pinmux_config_drvgrp_table(dalmore_padctrl,
  27. ARRAY_SIZE(dalmore_padctrl));
  28. }
  29. #if defined(CONFIG_MMC_SDHCI_TEGRA)
  30. /*
  31. * Do I2C/PMU writes to bring up SD card bus power
  32. *
  33. */
  34. void board_sdmmc_voltage_init(void)
  35. {
  36. struct udevice *dev;
  37. uchar reg, data_buffer[1];
  38. int ret;
  39. ret = i2c_get_chip_for_busnum(0, PMU_I2C_ADDRESS, 1, &dev);
  40. if (ret) {
  41. debug("%s: Cannot find PMIC I2C chip\n", __func__);
  42. return;
  43. }
  44. /* TPS65913: LDO9_VOLTAGE = 3.3V */
  45. data_buffer[0] = 0x31;
  46. reg = 0x61;
  47. ret = dm_i2c_write(dev, reg, data_buffer, 1);
  48. if (ret)
  49. printf("%s: PMU i2c_write %02X<-%02X returned %d\n",
  50. __func__, reg, data_buffer[0], ret);
  51. /* TPS65913: LDO9_CTRL = Active */
  52. data_buffer[0] = 0x01;
  53. reg = 0x60;
  54. ret = dm_i2c_write(dev, reg, data_buffer, 1);
  55. if (ret)
  56. printf("%s: PMU i2c_write %02X<-%02X returned %d\n",
  57. __func__, reg, data_buffer[0], ret);
  58. /* TPS65090: FET6_CTRL = enable output auto discharge, enable FET6 */
  59. data_buffer[0] = 0x03;
  60. reg = 0x14;
  61. ret = i2c_get_chip_for_busnum(0, BAT_I2C_ADDRESS, 1, &dev);
  62. if (ret) {
  63. debug("%s: Cannot find charger I2C chip\n", __func__);
  64. return;
  65. }
  66. ret = dm_i2c_write(dev, reg, data_buffer, 1);
  67. if (ret)
  68. printf("%s: BAT i2c_write %02X<-%02X returned %d\n",
  69. __func__, reg, data_buffer[0], ret);
  70. }
  71. /*
  72. * Routine: pin_mux_mmc
  73. * Description: setup the MMC muxes, power rails, etc.
  74. */
  75. void pin_mux_mmc(void)
  76. {
  77. /*
  78. * NOTE: We don't do mmc-specific pin muxes here.
  79. * They were done globally in pinmux_init().
  80. */
  81. /* Bring up the SDIO3 power rail */
  82. board_sdmmc_voltage_init();
  83. }
  84. #endif /* MMC */