122 lines
3.7 KiB
C
Executable file
122 lines
3.7 KiB
C
Executable file
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) 2019 MediaTek Inc.
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* Author: Owen Chen <owen.chen@mediatek.com>
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*/
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#include <linux/clk-provider.h>
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <linux/slab.h>
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#include "clk-mtk.h"
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#include "clk-gate.h"
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#include <dt-bindings/clock/mt6765-clk.h>
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/* Regular Number Definition */
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#define INV_OFS -1
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#define INV_BIT -1
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/* get spm power status struct to register inside clk_data */
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static struct pwr_status pwr_stat = GATE_PWR_STAT(0x180, 0x184, INV_OFS, BIT(3), BIT(3));
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static const struct mtk_gate_regs mm_cg_regs = {
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.set_ofs = 0x104,
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.clr_ofs = 0x108,
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.sta_ofs = 0x100,
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};
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#define GATE_MM(_id, _name, _parent, _shift) { \
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.id = _id, \
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.name = _name, \
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.parent_name = _parent, \
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.regs = &mm_cg_regs, \
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.shift = _shift, \
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.ops = &mtk_clk_gate_ops_setclr, \
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.pwr_stat = &pwr_stat, \
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}
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static const struct mtk_gate mm_clks[] __initconst = {
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/* MM */
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GATE_MM(CLK_MM_MDP_RDMA0, "mm_mdp_rdma0", "mm_ck", 0),
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GATE_MM(CLK_MM_MDP_CCORR0, "mm_mdp_ccorr0", "mm_ck", 1),
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GATE_MM(CLK_MM_MDP_RSZ0, "mm_mdp_rsz0", "mm_ck", 2),
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GATE_MM(CLK_MM_MDP_RSZ1, "mm_mdp_rsz1", "mm_ck", 3),
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GATE_MM(CLK_MM_MDP_TDSHP0, "mm_mdp_tdshp0", "mm_ck", 4),
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GATE_MM(CLK_MM_MDP_WROT0, "mm_mdp_wrot0", "mm_ck", 5),
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GATE_MM(CLK_MM_MDP_WDMA0, "mm_mdp_wdma0", "mm_ck", 6),
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GATE_MM(CLK_MM_DISP_OVL0, "mm_disp_ovl0", "mm_ck", 7),
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GATE_MM(CLK_MM_DISP_OVL0_2L, "mm_disp_ovl0_2l", "mm_ck", 8),
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GATE_MM(CLK_MM_DISP_RSZ0, "mm_disp_rsz0", "mm_ck", 9),
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GATE_MM(CLK_MM_DISP_RDMA0, "mm_disp_rdma0", "mm_ck", 10),
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GATE_MM(CLK_MM_DISP_WDMA0, "mm_disp_wdma0", "mm_ck", 11),
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GATE_MM(CLK_MM_DISP_COLOR0, "mm_disp_color0", "mm_ck", 12),
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GATE_MM(CLK_MM_DISP_CCORR0, "mm_disp_ccorr0", "mm_ck", 13),
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GATE_MM(CLK_MM_DISP_AAL0, "mm_disp_aal0", "mm_ck", 14),
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GATE_MM(CLK_MM_DISP_GAMMA0, "mm_disp_gamma0", "mm_ck", 15),
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GATE_MM(CLK_MM_DISP_DITHER0, "mm_disp_dither0", "mm_ck", 16),
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GATE_MM(CLK_MM_DSI0, "mm_dsi0", "mm_ck", 17),
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GATE_MM(CLK_MM_FAKE_ENG, "mm_fake_eng", "mm_ck", 18),
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GATE_MM(CLK_MM_SMI_COMMON, "mm_smi_common", "mm_ck", 19),
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GATE_MM(CLK_MM_SMI_LARB0, "mm_smi_larb0", "mm_ck", 20),
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GATE_MM(CLK_MM_SMI_COMM0, "mm_smi_comm0", "mm_ck", 21),
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GATE_MM(CLK_MM_SMI_COMM1, "mm_smi_comm1", "mm_ck", 22),
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GATE_MM(CLK_MM_CAM_MDP, "mm_cam_mdp_ck", "mm_ck", 23),
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GATE_MM(CLK_MM_SMI_IMG, "mm_smi_img_ck", "mm_ck", 24),
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GATE_MM(CLK_MM_SMI_CAM, "mm_smi_cam_ck", "mm_ck", 25),
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GATE_MM(CLK_MM_IMG_DL_RELAY, "mm_img_dl_relay", "mm_ck", 26),
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GATE_MM(CLK_MM_IMG_DL_ASYNC_TOP, "mm_imgdl_async", "mm_ck", 27),
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GATE_MM(CLK_MM_DIG_DSI, "mm_dig_dsi_ck", "mm_ck", 28),
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GATE_MM(CLK_MM_F26M_HRTWT, "mm_hrtwt", "f_f26m_ck", 29),
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};
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static int clk_mt6765_mm_probe(struct platform_device *pdev)
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{
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struct clk_onecell_data *clk_data;
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int r;
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struct device_node *node = pdev->dev.of_node;
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clk_data = mtk_alloc_clk_data(CLK_MM_NR_CLK);
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if (!clk_data)
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return -ENOMEM;
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mtk_clk_register_gates(node, mm_clks, ARRAY_SIZE(mm_clks), clk_data);
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r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
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if (r) {
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kfree(clk_data);
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pr_err("%s(): could not register clock provider: %d\n",
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__func__, r);
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}
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return r;
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}
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static const struct of_device_id of_match_clk_mt6765_mm[] = {
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{ .compatible = "mediatek,mt6765-mmsys_config", },
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{}
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};
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static struct platform_driver clk_mt6765_mm_drv = {
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.probe = clk_mt6765_mm_probe,
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.driver = {
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.name = "clk-mt6765-mm",
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.of_match_table = of_match_clk_mt6765_mm,
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},
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};
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static int __init clk_mt6765_mm_init(void)
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{
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return platform_driver_register(&clk_mt6765_mm_drv);
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}
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static void __exit clk_mt6765_mm_exit(void)
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{
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}
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postcore_initcall(clk_mt6765_mm_init);
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module_exit(clk_mt6765_mm_exit);
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MODULE_LICENSE("GPL");
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