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 mfg_cg_regs = { 15 .set_ofs = 0x4, 16 .clr_ofs = 0x8, 17 .sta_ofs = 0x0, 18 }; 19 20 #define GATE_MFG(_id, _name, _parent, _shift) \ 21 GATE_MTK(_id, _name, _parent, &mfg_cg_regs, _shift, \ 22 &mtk_clk_gate_ops_setclr) 23 24 static const struct mtk_gate mfg_clks[] = { 25 GATE_MFG(CLK_MFG_BG3D, "mfg_bg3d", "mfg_sel", 0) 26 }; 27 28 static int clk_mt8183_mfg_probe(struct platform_device *pdev) 29 { 30 struct clk_onecell_data *clk_data; 31 struct device_node *node = pdev->dev.of_node; 32 33 clk_data = mtk_alloc_clk_data(CLK_MFG_NR_CLK); 34 35 mtk_clk_register_gates(node, mfg_clks, ARRAY_SIZE(mfg_clks), 36 clk_data); 37 38 return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); 39 } 40 41 static const struct of_device_id of_match_clk_mt8183_mfg[] = { 42 { .compatible = "mediatek,mt8183-mfgcfg", }, 43 {} 44 }; 45 46 static struct platform_driver clk_mt8183_mfg_drv = { 47 .probe = clk_mt8183_mfg_probe, 48 .driver = { 49 .name = "clk-mt8183-mfg", 50 .of_match_table = of_match_clk_mt8183_mfg, 51 }, 52 }; 53 54 builtin_platform_driver(clk_mt8183_mfg_drv); 55