jetson-tk1.c 1.6 KB

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  1. // SPDX-License-Identifier: GPL-2.0+
  2. /*
  3. * (C) Copyright 2014
  4. * NVIDIA Corporation <www.nvidia.com>
  5. */
  6. #include <common.h>
  7. #include <dm.h>
  8. #include <log.h>
  9. #include <power/as3722.h>
  10. #include <power/pmic.h>
  11. #include <asm/arch/gpio.h>
  12. #include <asm/arch/pinmux.h>
  13. #include "pinmux-config-jetson-tk1.h"
  14. /*
  15. * Routine: pinmux_init
  16. * Description: Do individual peripheral pinmux configs
  17. */
  18. void pinmux_init(void)
  19. {
  20. pinmux_clear_tristate_input_clamping();
  21. gpio_config_table(jetson_tk1_gpio_inits,
  22. ARRAY_SIZE(jetson_tk1_gpio_inits));
  23. pinmux_config_pingrp_table(jetson_tk1_pingrps,
  24. ARRAY_SIZE(jetson_tk1_pingrps));
  25. pinmux_config_drvgrp_table(jetson_tk1_drvgrps,
  26. ARRAY_SIZE(jetson_tk1_drvgrps));
  27. pinmux_config_mipipadctrlgrp_table(jetson_tk1_mipipadctrlgrps,
  28. ARRAY_SIZE(jetson_tk1_mipipadctrlgrps));
  29. }
  30. #ifdef CONFIG_PCI_TEGRA
  31. /* TODO: Convert to driver model */
  32. static int as3722_sd_enable(struct udevice *pmic, unsigned int sd)
  33. {
  34. int err;
  35. if (sd > 6)
  36. return -EINVAL;
  37. err = pmic_clrsetbits(pmic, AS3722_SD_CONTROL, 0, 1 << sd);
  38. if (err) {
  39. pr_err("failed to update SD control register: %d", err);
  40. return err;
  41. }
  42. return 0;
  43. }
  44. int tegra_pcie_board_init(void)
  45. {
  46. struct udevice *dev;
  47. int ret;
  48. ret = uclass_get_device_by_driver(UCLASS_PMIC,
  49. DM_GET_DRIVER(pmic_as3722), &dev);
  50. if (ret) {
  51. debug("%s: Failed to find PMIC\n", __func__);
  52. return ret;
  53. }
  54. ret = as3722_sd_enable(dev, 4);
  55. if (ret < 0) {
  56. pr_err("failed to enable SD4: %d\n", ret);
  57. return ret;
  58. }
  59. ret = as3722_sd_set_voltage(dev, 4, 0x24);
  60. if (ret < 0) {
  61. pr_err("failed to set SD4 voltage: %d\n", ret);
  62. return ret;
  63. }
  64. return 0;
  65. }
  66. #endif /* PCI */