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/module.h> 8 #include <linux/clk-provider.h> 9 #include <linux/platform_device.h> 10 #include <dt-bindings/clock/mt6779-clk.h> 11 12 #include "clk-mtk.h" 13 #include "clk-gate.h" 14 15 static const struct mtk_gate_regs cam_cg_regs = { 16 .set_ofs = 0x0004, 17 .clr_ofs = 0x0008, 18 .sta_ofs = 0x0000, 19 }; 20 21 #define GATE_CAM(_id, _name, _parent, _shift) \ 22 GATE_MTK(_id, _name, _parent, &cam_cg_regs, _shift, \ 23 &mtk_clk_gate_ops_setclr) 24 25 static const struct mtk_gate cam_clks[] = { 26 GATE_CAM(CLK_CAM_LARB10, "camsys_larb10", "cam_sel", 0), 27 GATE_CAM(CLK_CAM_DFP_VAD, "camsys_dfp_vad", "cam_sel", 1), 28 GATE_CAM(CLK_CAM_LARB11, "camsys_larb11", "cam_sel", 2), 29 GATE_CAM(CLK_CAM_LARB9, "camsys_larb9", "cam_sel", 3), 30 GATE_CAM(CLK_CAM_CAM, "camsys_cam", "cam_sel", 6), 31 GATE_CAM(CLK_CAM_CAMTG, "camsys_camtg", "cam_sel", 7), 32 GATE_CAM(CLK_CAM_SENINF, "camsys_seninf", "cam_sel", 8), 33 GATE_CAM(CLK_CAM_CAMSV0, "camsys_camsv0", "cam_sel", 9), 34 GATE_CAM(CLK_CAM_CAMSV1, "camsys_camsv1", "cam_sel", 10), 35 GATE_CAM(CLK_CAM_CAMSV2, "camsys_camsv2", "cam_sel", 11), 36 GATE_CAM(CLK_CAM_CAMSV3, "camsys_camsv3", "cam_sel", 12), 37 GATE_CAM(CLK_CAM_CCU, "camsys_ccu", "cam_sel", 13), 38 GATE_CAM(CLK_CAM_FAKE_ENG, "camsys_fake_eng", "cam_sel", 14), 39 }; 40 41 static const struct of_device_id of_match_clk_mt6779_cam[] = { 42 { .compatible = "mediatek,mt6779-camsys", }, 43 {} 44 }; 45 46 static int clk_mt6779_cam_probe(struct platform_device *pdev) 47 { 48 struct clk_onecell_data *clk_data; 49 struct device_node *node = pdev->dev.of_node; 50 51 clk_data = mtk_alloc_clk_data(CLK_CAM_NR_CLK); 52 53 mtk_clk_register_gates(node, cam_clks, ARRAY_SIZE(cam_clks), 54 clk_data); 55 56 return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); 57 } 58 59 static struct platform_driver clk_mt6779_cam_drv = { 60 .probe = clk_mt6779_cam_probe, 61 .driver = { 62 .name = "clk-mt6779-cam", 63 .of_match_table = of_match_clk_mt6779_cam, 64 }, 65 }; 66 67 module_platform_driver(clk_mt6779_cam_drv); 68 MODULE_LICENSE("GPL"); 69