clk-mt6779-cam.c 2.0 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566
  1. // SPDX-License-Identifier: GPL-2.0
  2. /*
  3. * Copyright (c) 2019 MediaTek Inc.
  4. * Author: Wendell Lin <wendell.lin@mediatek.com>
  5. */
  6. #include <linux/clk-provider.h>
  7. #include <linux/platform_device.h>
  8. #include <dt-bindings/clock/mt6779-clk.h>
  9. #include "clk-mtk.h"
  10. #include "clk-gate.h"
  11. static const struct mtk_gate_regs cam_cg_regs = {
  12. .set_ofs = 0x0004,
  13. .clr_ofs = 0x0008,
  14. .sta_ofs = 0x0000,
  15. };
  16. #define GATE_CAM(_id, _name, _parent, _shift) \
  17. GATE_MTK(_id, _name, _parent, &cam_cg_regs, _shift, \
  18. &mtk_clk_gate_ops_setclr)
  19. static const struct mtk_gate cam_clks[] = {
  20. GATE_CAM(CLK_CAM_LARB10, "camsys_larb10", "cam_sel", 0),
  21. GATE_CAM(CLK_CAM_DFP_VAD, "camsys_dfp_vad", "cam_sel", 1),
  22. GATE_CAM(CLK_CAM_LARB11, "camsys_larb11", "cam_sel", 2),
  23. GATE_CAM(CLK_CAM_LARB9, "camsys_larb9", "cam_sel", 3),
  24. GATE_CAM(CLK_CAM_CAM, "camsys_cam", "cam_sel", 6),
  25. GATE_CAM(CLK_CAM_CAMTG, "camsys_camtg", "cam_sel", 7),
  26. GATE_CAM(CLK_CAM_SENINF, "camsys_seninf", "cam_sel", 8),
  27. GATE_CAM(CLK_CAM_CAMSV0, "camsys_camsv0", "cam_sel", 9),
  28. GATE_CAM(CLK_CAM_CAMSV1, "camsys_camsv1", "cam_sel", 10),
  29. GATE_CAM(CLK_CAM_CAMSV2, "camsys_camsv2", "cam_sel", 11),
  30. GATE_CAM(CLK_CAM_CAMSV3, "camsys_camsv3", "cam_sel", 12),
  31. GATE_CAM(CLK_CAM_CCU, "camsys_ccu", "cam_sel", 13),
  32. GATE_CAM(CLK_CAM_FAKE_ENG, "camsys_fake_eng", "cam_sel", 14),
  33. };
  34. static const struct of_device_id of_match_clk_mt6779_cam[] = {
  35. { .compatible = "mediatek,mt6779-camsys", },
  36. {}
  37. };
  38. static int clk_mt6779_cam_probe(struct platform_device *pdev)
  39. {
  40. struct clk_onecell_data *clk_data;
  41. struct device_node *node = pdev->dev.of_node;
  42. clk_data = mtk_alloc_clk_data(CLK_CAM_NR_CLK);
  43. mtk_clk_register_gates(node, cam_clks, ARRAY_SIZE(cam_clks),
  44. clk_data);
  45. return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
  46. }
  47. static struct platform_driver clk_mt6779_cam_drv = {
  48. .probe = clk_mt6779_cam_probe,
  49. .driver = {
  50. .name = "clk-mt6779-cam",
  51. .of_match_table = of_match_clk_mt6779_cam,
  52. },
  53. };
  54. builtin_platform_driver(clk_mt6779_cam_drv);