1710774e0Smtk01761 // SPDX-License-Identifier: GPL-2.0 2710774e0Smtk01761 /* 3710774e0Smtk01761 * Copyright (c) 2019 MediaTek Inc. 4710774e0Smtk01761 * Author: Wendell Lin <wendell.lin@mediatek.com> 5710774e0Smtk01761 */ 6710774e0Smtk01761 7*f09b9460SMiles Chen #include <linux/module.h> 8710774e0Smtk01761 #include <linux/clk-provider.h> 9710774e0Smtk01761 #include <linux/platform_device.h> 10710774e0Smtk01761 11710774e0Smtk01761 #include "clk-mtk.h" 12710774e0Smtk01761 #include "clk-gate.h" 13710774e0Smtk01761 14710774e0Smtk01761 #include <dt-bindings/clock/mt6779-clk.h> 15710774e0Smtk01761 16710774e0Smtk01761 static const struct mtk_gate_regs venc_cg_regs = { 17710774e0Smtk01761 .set_ofs = 0x0004, 18710774e0Smtk01761 .clr_ofs = 0x0008, 19710774e0Smtk01761 .sta_ofs = 0x0000, 20710774e0Smtk01761 }; 21710774e0Smtk01761 22710774e0Smtk01761 #define GATE_VENC_I(_id, _name, _parent, _shift) \ 23710774e0Smtk01761 GATE_MTK(_id, _name, _parent, &venc_cg_regs, _shift, \ 24710774e0Smtk01761 &mtk_clk_gate_ops_setclr_inv) 25710774e0Smtk01761 26710774e0Smtk01761 static const struct mtk_gate venc_clks[] = { 27710774e0Smtk01761 GATE_VENC_I(CLK_VENC_GCON_LARB, "venc_larb", "venc_sel", 0), 28710774e0Smtk01761 GATE_VENC_I(CLK_VENC_GCON_VENC, "venc_venc", "venc_sel", 4), 29710774e0Smtk01761 GATE_VENC_I(CLK_VENC_GCON_JPGENC, "venc_jpgenc", "venc_sel", 8), 30710774e0Smtk01761 GATE_VENC_I(CLK_VENC_GCON_GALS, "venc_gals", "venc_sel", 28), 31710774e0Smtk01761 }; 32710774e0Smtk01761 33710774e0Smtk01761 static const struct of_device_id of_match_clk_mt6779_venc[] = { 34710774e0Smtk01761 { .compatible = "mediatek,mt6779-vencsys", }, 35710774e0Smtk01761 {} 36710774e0Smtk01761 }; 37710774e0Smtk01761 38710774e0Smtk01761 static int clk_mt6779_venc_probe(struct platform_device *pdev) 39710774e0Smtk01761 { 40710774e0Smtk01761 struct clk_onecell_data *clk_data; 41710774e0Smtk01761 struct device_node *node = pdev->dev.of_node; 42710774e0Smtk01761 43710774e0Smtk01761 clk_data = mtk_alloc_clk_data(CLK_VENC_GCON_NR_CLK); 44710774e0Smtk01761 45710774e0Smtk01761 mtk_clk_register_gates(node, venc_clks, ARRAY_SIZE(venc_clks), 46710774e0Smtk01761 clk_data); 47710774e0Smtk01761 48710774e0Smtk01761 return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); 49710774e0Smtk01761 } 50710774e0Smtk01761 51710774e0Smtk01761 static struct platform_driver clk_mt6779_venc_drv = { 52710774e0Smtk01761 .probe = clk_mt6779_venc_probe, 53710774e0Smtk01761 .driver = { 54710774e0Smtk01761 .name = "clk-mt6779-venc", 55710774e0Smtk01761 .of_match_table = of_match_clk_mt6779_venc, 56710774e0Smtk01761 }, 57710774e0Smtk01761 }; 58710774e0Smtk01761 59*f09b9460SMiles Chen module_platform_driver(clk_mt6779_venc_drv); 60*f09b9460SMiles Chen MODULE_LICENSE("GPL"); 61