250-clk-mediatek-add-infracfg-reset-controller-for-mt798.patch 1.8 KB

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  1. From 26ced94177b150710d94cf365002a09cc48950e9 Mon Sep 17 00:00:00 2001
  2. From: Frank Wunderlich <[email protected]>
  3. Date: Wed, 17 Jan 2024 19:41:11 +0100
  4. Subject: [PATCH] clk: mediatek: add infracfg reset controller for mt7988
  5. Infracfg can also operate as reset controller, add support for it.
  6. Signed-off-by: Frank Wunderlich <[email protected]>
  7. ---
  8. drivers/clk/mediatek/clk-mt7988-infracfg.c | 23 ++++++++++++++++++++++
  9. 1 file changed, 23 insertions(+)
  10. --- a/drivers/clk/mediatek/clk-mt7988-infracfg.c
  11. +++ b/drivers/clk/mediatek/clk-mt7988-infracfg.c
  12. @@ -14,6 +14,10 @@
  13. #include "clk-gate.h"
  14. #include "clk-mux.h"
  15. #include <dt-bindings/clock/mediatek,mt7988-clk.h>
  16. +#include <dt-bindings/reset/mediatek,mt7988-resets.h>
  17. +
  18. +#define MT7988_INFRA_RST0_SET_OFFSET 0x70
  19. +#define MT7988_INFRA_RST1_SET_OFFSET 0x80
  20. static DEFINE_SPINLOCK(mt7988_clk_lock);
  21. @@ -249,12 +253,31 @@ static const struct mtk_gate infra_clks[
  22. GATE_INFRA3(CLK_INFRA_133M_PCIE_CK_P3, "infra_133m_pcie_ck_p3", "sysaxi_sel", 31),
  23. };
  24. +static u16 infra_rst_ofs[] = {
  25. + MT7988_INFRA_RST0_SET_OFFSET,
  26. + MT7988_INFRA_RST1_SET_OFFSET,
  27. +};
  28. +
  29. +static u16 infra_idx_map[] = {
  30. + [MT7988_INFRA_RST0_PEXTP_MAC_SWRST] = 0 * RST_NR_PER_BANK + 6,
  31. + [MT7988_INFRA_RST1_THERM_CTRL_SWRST] = 1 * RST_NR_PER_BANK + 9,
  32. +};
  33. +
  34. +static struct mtk_clk_rst_desc infra_rst_desc = {
  35. + .version = MTK_RST_SET_CLR,
  36. + .rst_bank_ofs = infra_rst_ofs,
  37. + .rst_bank_nr = ARRAY_SIZE(infra_rst_ofs),
  38. + .rst_idx_map = infra_idx_map,
  39. + .rst_idx_map_nr = ARRAY_SIZE(infra_idx_map),
  40. +};
  41. +
  42. static const struct mtk_clk_desc infra_desc = {
  43. .clks = infra_clks,
  44. .num_clks = ARRAY_SIZE(infra_clks),
  45. .mux_clks = infra_muxes,
  46. .num_mux_clks = ARRAY_SIZE(infra_muxes),
  47. .clk_lock = &mt7988_clk_lock,
  48. + .rst_desc = &infra_rst_desc,
  49. };
  50. static const struct of_device_id of_match_clk_mt7988_infracfg[] = {