drivers/clk/mediatek/clk-mt8188-peri_ao.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright (c) 2022 MediaTek Inc.
   4  * Author: Garmin Chang <garmin.chang@mediatek.com>
   5  */
   6
   7 #include <dt-bindings/clock/mediatek,mt8188-clk.h>
   8 #include <linux/clk-provider.h>
   9 #include <linux/platform_device.h>
  10
  11 #include "clk-gate.h"
  12 #include "clk-mtk.h"
  13
  14 static const struct mtk_gate_regs peri_ao_cg_regs = {
  15         .set_ofs = 0x10,
  16         .clr_ofs = 0x14,
  17         .sta_ofs = 0x18,
  18 };
  19
  20 #define GATE_PERI_AO(_id, _name, _parent, _shift)                       \
  21         GATE_MTK(_id, _name, _parent, &peri_ao_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
  22
  23 static const struct mtk_gate peri_ao_clks[] = {
  24         GATE_PERI_AO(CLK_PERI_AO_ETHERNET, "peri_ao_ethernet", "top_axi", 0),
  25         GATE_PERI_AO(CLK_PERI_AO_ETHERNET_BUS, "peri_ao_ethernet_bus", "top_axi", 1),
  26         GATE_PERI_AO(CLK_PERI_AO_FLASHIF_BUS, "peri_ao_flashif_bus", "top_axi", 3),
  27         GATE_PERI_AO(CLK_PERI_AO_FLASHIF_26M, "peri_ao_flashif_26m", "clk26m", 4),
  28         GATE_PERI_AO(CLK_PERI_AO_FLASHIFLASHCK, "peri_ao_flashiflashck", "top_spinor", 5),
  29         GATE_PERI_AO(CLK_PERI_AO_SSUSB_2P_BUS, "peri_ao_ssusb_2p_bus", "top_usb_top_2p", 9),
  30         GATE_PERI_AO(CLK_PERI_AO_SSUSB_2P_XHCI, "peri_ao_ssusb_2p_xhci", "top_ssusb_xhci_2p", 10),
  31         GATE_PERI_AO(CLK_PERI_AO_SSUSB_3P_BUS, "peri_ao_ssusb_3p_bus", "top_usb_top_3p", 11),
  32         GATE_PERI_AO(CLK_PERI_AO_SSUSB_3P_XHCI, "peri_ao_ssusb_3p_xhci", "top_ssusb_xhci_3p", 12),
  33         GATE_PERI_AO(CLK_PERI_AO_SSUSB_BUS, "peri_ao_ssusb_bus", "top_usb_top", 13),
  34         GATE_PERI_AO(CLK_PERI_AO_SSUSB_XHCI, "peri_ao_ssusb_xhci", "top_ssusb_xhci", 14),
  35         GATE_PERI_AO(CLK_PERI_AO_ETHERNET_MAC, "peri_ao_ethernet_mac_clk", "top_snps_eth_250m", 16),
  36         GATE_PERI_AO(CLK_PERI_AO_PCIE_P0_FMEM, "peri_ao_pcie_p0_fmem", "hd_466m_fmem_ck", 24),
  37 };
  38
  39 static const struct mtk_clk_desc peri_ao_desc = {
  40         .clks = peri_ao_clks,
  41         .num_clks = ARRAY_SIZE(peri_ao_clks),
  42 };
  43
  44 static const struct of_device_id of_match_clk_mt8188_peri_ao[] = {
  45         { .compatible = "mediatek,mt8188-pericfg-ao", .data = &peri_ao_desc },
  46         { /* sentinel */ }
  47 };
  48 MODULE_DEVICE_TABLE(of, of_match_clk_mt8188_peri_ao);
  49
  50 static struct platform_driver clk_mt8188_peri_ao_drv = {
  51         .probe = mtk_clk_simple_probe,
  52         .remove = mtk_clk_simple_remove,
  53         .driver = {
  54                 .name = "clk-mt8188-peri_ao",
  55                 .of_match_table = of_match_clk_mt8188_peri_ao,
  56         },
  57 };
  58 module_platform_driver(clk_mt8188_peri_ao_drv);
  59
  60 MODULE_DESCRIPTION("MediaTek MT8188 pericfg clocks driver");
  61 MODULE_LICENSE("GPL");