mtk01761 | 710774e | 2019-08-19 17:21:41 +0800 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | /* |
| 3 | * Copyright (c) 2019 MediaTek Inc. |
| 4 | * Author: Wendell Lin <wendell.lin@mediatek.com> |
| 5 | */ |
| 6 | |
| 7 | #include <linux/clk-provider.h> |
| 8 | #include <linux/platform_device.h> |
| 9 | #include <dt-bindings/clock/mt6779-clk.h> |
| 10 | |
| 11 | #include "clk-mtk.h" |
| 12 | #include "clk-gate.h" |
| 13 | |
| 14 | static const struct mtk_gate_regs cam_cg_regs = { |
| 15 | .set_ofs = 0x0004, |
| 16 | .clr_ofs = 0x0008, |
| 17 | .sta_ofs = 0x0000, |
| 18 | }; |
| 19 | |
| 20 | #define GATE_CAM(_id, _name, _parent, _shift) \ |
| 21 | GATE_MTK(_id, _name, _parent, &cam_cg_regs, _shift, \ |
| 22 | &mtk_clk_gate_ops_setclr) |
| 23 | |
| 24 | static const struct mtk_gate cam_clks[] = { |
| 25 | GATE_CAM(CLK_CAM_LARB10, "camsys_larb10", "cam_sel", 0), |
| 26 | GATE_CAM(CLK_CAM_DFP_VAD, "camsys_dfp_vad", "cam_sel", 1), |
| 27 | GATE_CAM(CLK_CAM_LARB11, "camsys_larb11", "cam_sel", 2), |
| 28 | GATE_CAM(CLK_CAM_LARB9, "camsys_larb9", "cam_sel", 3), |
| 29 | GATE_CAM(CLK_CAM_CAM, "camsys_cam", "cam_sel", 6), |
| 30 | GATE_CAM(CLK_CAM_CAMTG, "camsys_camtg", "cam_sel", 7), |
| 31 | GATE_CAM(CLK_CAM_SENINF, "camsys_seninf", "cam_sel", 8), |
| 32 | GATE_CAM(CLK_CAM_CAMSV0, "camsys_camsv0", "cam_sel", 9), |
| 33 | GATE_CAM(CLK_CAM_CAMSV1, "camsys_camsv1", "cam_sel", 10), |
| 34 | GATE_CAM(CLK_CAM_CAMSV2, "camsys_camsv2", "cam_sel", 11), |
| 35 | GATE_CAM(CLK_CAM_CAMSV3, "camsys_camsv3", "cam_sel", 12), |
| 36 | GATE_CAM(CLK_CAM_CCU, "camsys_ccu", "cam_sel", 13), |
| 37 | GATE_CAM(CLK_CAM_FAKE_ENG, "camsys_fake_eng", "cam_sel", 14), |
| 38 | }; |
| 39 | |
| 40 | static const struct of_device_id of_match_clk_mt6779_cam[] = { |
| 41 | { .compatible = "mediatek,mt6779-camsys", }, |
| 42 | {} |
| 43 | }; |
| 44 | |
| 45 | static int clk_mt6779_cam_probe(struct platform_device *pdev) |
| 46 | { |
| 47 | struct clk_onecell_data *clk_data; |
| 48 | struct device_node *node = pdev->dev.of_node; |
| 49 | |
| 50 | clk_data = mtk_alloc_clk_data(CLK_CAM_NR_CLK); |
| 51 | |
| 52 | mtk_clk_register_gates(node, cam_clks, ARRAY_SIZE(cam_clks), |
| 53 | clk_data); |
| 54 | |
| 55 | return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); |
| 56 | } |
| 57 | |
| 58 | static struct platform_driver clk_mt6779_cam_drv = { |
| 59 | .probe = clk_mt6779_cam_probe, |
| 60 | .driver = { |
| 61 | .name = "clk-mt6779-cam", |
| 62 | .of_match_table = of_match_clk_mt6779_cam, |
| 63 | }, |
| 64 | }; |
| 65 | |
| 66 | builtin_platform_driver(clk_mt6779_cam_drv); |