clk_a10s.c 1.9 KB

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  1. // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
  2. /*
  3. * Copyright (C) 2018 Amarula Solutions.
  4. * Author: Jagan Teki <jagan@amarulasolutions.com>
  5. */
  6. #include <common.h>
  7. #include <clk-uclass.h>
  8. #include <dm.h>
  9. #include <errno.h>
  10. #include <asm/arch/ccu.h>
  11. #include <dt-bindings/clock/sun5i-ccu.h>
  12. #include <dt-bindings/reset/sun5i-ccu.h>
  13. #include <linux/bitops.h>
  14. static struct ccu_clk_gate a10s_gates[] = {
  15. [CLK_AHB_OTG] = GATE(0x060, BIT(0)),
  16. [CLK_AHB_EHCI] = GATE(0x060, BIT(1)),
  17. [CLK_AHB_OHCI] = GATE(0x060, BIT(2)),
  18. [CLK_AHB_MMC0] = GATE(0x060, BIT(8)),
  19. [CLK_AHB_MMC1] = GATE(0x060, BIT(9)),
  20. [CLK_AHB_MMC2] = GATE(0x060, BIT(10)),
  21. [CLK_AHB_EMAC] = GATE(0x060, BIT(17)),
  22. [CLK_AHB_SPI0] = GATE(0x060, BIT(20)),
  23. [CLK_AHB_SPI1] = GATE(0x060, BIT(21)),
  24. [CLK_AHB_SPI2] = GATE(0x060, BIT(22)),
  25. [CLK_APB1_UART0] = GATE(0x06c, BIT(16)),
  26. [CLK_APB1_UART1] = GATE(0x06c, BIT(17)),
  27. [CLK_APB1_UART2] = GATE(0x06c, BIT(18)),
  28. [CLK_APB1_UART3] = GATE(0x06c, BIT(19)),
  29. [CLK_SPI0] = GATE(0x0a0, BIT(31)),
  30. [CLK_SPI1] = GATE(0x0a4, BIT(31)),
  31. [CLK_SPI2] = GATE(0x0a8, BIT(31)),
  32. [CLK_USB_OHCI] = GATE(0x0cc, BIT(6)),
  33. [CLK_USB_PHY0] = GATE(0x0cc, BIT(8)),
  34. [CLK_USB_PHY1] = GATE(0x0cc, BIT(9)),
  35. };
  36. static struct ccu_reset a10s_resets[] = {
  37. [RST_USB_PHY0] = RESET(0x0cc, BIT(0)),
  38. [RST_USB_PHY1] = RESET(0x0cc, BIT(1)),
  39. };
  40. static const struct ccu_desc a10s_ccu_desc = {
  41. .gates = a10s_gates,
  42. .resets = a10s_resets,
  43. };
  44. static int a10s_clk_bind(struct udevice *dev)
  45. {
  46. return sunxi_reset_bind(dev, ARRAY_SIZE(a10s_resets));
  47. }
  48. static const struct udevice_id a10s_ccu_ids[] = {
  49. { .compatible = "allwinner,sun5i-a10s-ccu",
  50. .data = (ulong)&a10s_ccu_desc },
  51. { .compatible = "allwinner,sun5i-a13-ccu",
  52. .data = (ulong)&a10s_ccu_desc },
  53. { }
  54. };
  55. U_BOOT_DRIVER(clk_sun5i_a10s) = {
  56. .name = "sun5i_a10s_ccu",
  57. .id = UCLASS_CLK,
  58. .of_match = a10s_ccu_ids,
  59. .priv_auto = sizeof(struct ccu_priv),
  60. .ops = &sunxi_clk_ops,
  61. .probe = sunxi_clk_probe,
  62. .bind = a10s_clk_bind,
  63. };