Merge branch 'for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu
[linux-2.6-microblaze.git] / drivers / clk / mediatek / clk-mt8183-vdec.c
1 // SPDX-License-Identifier: GPL-2.0
2 //
3 // Copyright (c) 2018 MediaTek Inc.
4 // Author: Weiyi Lu <weiyi.lu@mediatek.com>
5
6 #include <linux/clk-provider.h>
7 #include <linux/platform_device.h>
8
9 #include "clk-mtk.h"
10 #include "clk-gate.h"
11
12 #include <dt-bindings/clock/mt8183-clk.h>
13
14 static const struct mtk_gate_regs vdec0_cg_regs = {
15         .set_ofs = 0x0,
16         .clr_ofs = 0x4,
17         .sta_ofs = 0x0,
18 };
19
20 static const struct mtk_gate_regs vdec1_cg_regs = {
21         .set_ofs = 0x8,
22         .clr_ofs = 0xc,
23         .sta_ofs = 0x8,
24 };
25
26 #define GATE_VDEC0_I(_id, _name, _parent, _shift)               \
27         GATE_MTK(_id, _name, _parent, &vdec0_cg_regs, _shift,   \
28                 &mtk_clk_gate_ops_setclr_inv)
29
30 #define GATE_VDEC1_I(_id, _name, _parent, _shift)               \
31         GATE_MTK(_id, _name, _parent, &vdec1_cg_regs, _shift,   \
32                 &mtk_clk_gate_ops_setclr_inv)
33
34 static const struct mtk_gate vdec_clks[] = {
35         /* VDEC0 */
36         GATE_VDEC0_I(CLK_VDEC_VDEC, "vdec_vdec", "mm_sel", 0),
37         /* VDEC1 */
38         GATE_VDEC1_I(CLK_VDEC_LARB1, "vdec_larb1", "mm_sel", 0),
39 };
40
41 static int clk_mt8183_vdec_probe(struct platform_device *pdev)
42 {
43         struct clk_onecell_data *clk_data;
44         struct device_node *node = pdev->dev.of_node;
45
46         clk_data = mtk_alloc_clk_data(CLK_VDEC_NR_CLK);
47
48         mtk_clk_register_gates(node, vdec_clks, ARRAY_SIZE(vdec_clks),
49                         clk_data);
50
51         return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
52 }
53
54 static const struct of_device_id of_match_clk_mt8183_vdec[] = {
55         { .compatible = "mediatek,mt8183-vdecsys", },
56         {}
57 };
58
59 static struct platform_driver clk_mt8183_vdec_drv = {
60         .probe = clk_mt8183_vdec_probe,
61         .driver = {
62                 .name = "clk-mt8183-vdec",
63                 .of_match_table = of_match_clk_mt8183_vdec,
64         },
65 };
66
67 builtin_platform_driver(clk_mt8183_vdec_drv);