clk-mt6779-venc.c 1.5 KB

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  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 "clk-mtk.h"
  9. #include "clk-gate.h"
  10. #include <dt-bindings/clock/mt6779-clk.h>
  11. static const struct mtk_gate_regs venc_cg_regs = {
  12. .set_ofs = 0x0004,
  13. .clr_ofs = 0x0008,
  14. .sta_ofs = 0x0000,
  15. };
  16. #define GATE_VENC_I(_id, _name, _parent, _shift) \
  17. GATE_MTK(_id, _name, _parent, &venc_cg_regs, _shift, \
  18. &mtk_clk_gate_ops_setclr_inv)
  19. static const struct mtk_gate venc_clks[] = {
  20. GATE_VENC_I(CLK_VENC_GCON_LARB, "venc_larb", "venc_sel", 0),
  21. GATE_VENC_I(CLK_VENC_GCON_VENC, "venc_venc", "venc_sel", 4),
  22. GATE_VENC_I(CLK_VENC_GCON_JPGENC, "venc_jpgenc", "venc_sel", 8),
  23. GATE_VENC_I(CLK_VENC_GCON_GALS, "venc_gals", "venc_sel", 28),
  24. };
  25. static const struct of_device_id of_match_clk_mt6779_venc[] = {
  26. { .compatible = "mediatek,mt6779-vencsys", },
  27. {}
  28. };
  29. static int clk_mt6779_venc_probe(struct platform_device *pdev)
  30. {
  31. struct clk_onecell_data *clk_data;
  32. struct device_node *node = pdev->dev.of_node;
  33. clk_data = mtk_alloc_clk_data(CLK_VENC_GCON_NR_CLK);
  34. mtk_clk_register_gates(node, venc_clks, ARRAY_SIZE(venc_clks),
  35. clk_data);
  36. return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
  37. }
  38. static struct platform_driver clk_mt6779_venc_drv = {
  39. .probe = clk_mt6779_venc_probe,
  40. .driver = {
  41. .name = "clk-mt6779-venc",
  42. .of_match_table = of_match_clk_mt6779_venc,
  43. },
  44. };
  45. builtin_platform_driver(clk_mt6779_venc_drv);