1 // SPDX-License-Identifier: GPL-2.0
3 // Copyright (c) 2018 MediaTek Inc.
4 // Author: Weiyi Lu <weiyi.lu@mediatek.com>
6 #include <linux/clk-provider.h>
7 #include <linux/platform_device.h>
12 #include <dt-bindings/clock/mt8183-clk.h>
14 static const struct mtk_gate_regs cam_cg_regs
= {
20 #define GATE_CAM(_id, _name, _parent, _shift) \
21 GATE_MTK(_id, _name, _parent, &cam_cg_regs, _shift, \
22 &mtk_clk_gate_ops_setclr)
24 static const struct mtk_gate cam_clks
[] = {
25 GATE_CAM(CLK_CAM_LARB6
, "cam_larb6", "cam_sel", 0),
26 GATE_CAM(CLK_CAM_DFP_VAD
, "cam_dfp_vad", "cam_sel", 1),
27 GATE_CAM(CLK_CAM_LARB3
, "cam_larb3", "cam_sel", 2),
28 GATE_CAM(CLK_CAM_CAM
, "cam_cam", "cam_sel", 6),
29 GATE_CAM(CLK_CAM_CAMTG
, "cam_camtg", "cam_sel", 7),
30 GATE_CAM(CLK_CAM_SENINF
, "cam_seninf", "cam_sel", 8),
31 GATE_CAM(CLK_CAM_CAMSV0
, "cam_camsv0", "cam_sel", 9),
32 GATE_CAM(CLK_CAM_CAMSV1
, "cam_camsv1", "cam_sel", 10),
33 GATE_CAM(CLK_CAM_CAMSV2
, "cam_camsv2", "cam_sel", 11),
34 GATE_CAM(CLK_CAM_CCU
, "cam_ccu", "cam_sel", 12),
37 static int clk_mt8183_cam_probe(struct platform_device
*pdev
)
39 struct clk_onecell_data
*clk_data
;
40 struct device_node
*node
= pdev
->dev
.of_node
;
42 clk_data
= mtk_alloc_clk_data(CLK_CAM_NR_CLK
);
44 mtk_clk_register_gates(node
, cam_clks
, ARRAY_SIZE(cam_clks
),
47 return of_clk_add_provider(node
, of_clk_src_onecell_get
, clk_data
);
50 static const struct of_device_id of_match_clk_mt8183_cam
[] = {
51 { .compatible
= "mediatek,mt8183-camsys", },
55 static struct platform_driver clk_mt8183_cam_drv
= {
56 .probe
= clk_mt8183_cam_probe
,
58 .name
= "clk-mt8183-cam",
59 .of_match_table
= of_match_clk_mt8183_cam
,
63 builtin_platform_driver(clk_mt8183_cam_drv
);