tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (c) 2018 MediaTek Inc.
4 * Author: Sean Wang <sean.wang@mediatek.com>
5 *
6 */
7
8#include <linux/clk-provider.h>
9#include <linux/of.h>
10#include <linux/of_address.h>
11#include <linux/of_device.h>
12#include <linux/platform_device.h>
13
14#include "clk-mtk.h"
15#include "clk-gate.h"
16
17#include <dt-bindings/clock/mt2701-clk.h>
18
19#define GATE_G3D(_id, _name, _parent, _shift) { \
20 .id = _id, \
21 .name = _name, \
22 .parent_name = _parent, \
23 .regs = &g3d_cg_regs, \
24 .shift = _shift, \
25 .ops = &mtk_clk_gate_ops_setclr, \
26 }
27
28static const struct mtk_gate_regs g3d_cg_regs = {
29 .sta_ofs = 0x0,
30 .set_ofs = 0x4,
31 .clr_ofs = 0x8,
32};
33
34static const struct mtk_gate g3d_clks[] = {
35 GATE_DUMMY(CLK_DUMMY, "g3d_dummy"),
36 GATE_G3D(CLK_G3DSYS_CORE, "g3d_core", "mfg_sel", 0),
37};
38
39static u16 rst_ofs[] = { 0xc, };
40
41static const struct mtk_clk_rst_desc clk_rst_desc = {
42 .version = MTK_RST_SIMPLE,
43 .rst_bank_ofs = rst_ofs,
44 .rst_bank_nr = ARRAY_SIZE(rst_ofs),
45};
46
47static const struct mtk_clk_desc g3d_desc = {
48 .clks = g3d_clks,
49 .num_clks = ARRAY_SIZE(g3d_clks),
50 .rst_desc = &clk_rst_desc,
51};
52
53static const struct of_device_id of_match_clk_mt2701_g3d[] = {
54 { .compatible = "mediatek,mt2701-g3dsys", .data = &g3d_desc },
55 { /* sentinel */ }
56};
57
58static struct platform_driver clk_mt2701_g3d_drv = {
59 .probe = mtk_clk_simple_probe,
60 .remove = mtk_clk_simple_remove,
61 .driver = {
62 .name = "clk-mt2701-g3d",
63 .of_match_table = of_match_clk_mt2701_g3d,
64 },
65};
66
67builtin_platform_driver(clk_mt2701_g3d_drv);