// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (c) 2017 MediaTek Inc. * Author: Kevin-CW Chen <kevin-cw.chen@mediatek.com> */ #include <linux/clk-provider.h> #include <linux/platform_device.h> #include "clk-mtk.h" #include "clk-gate.h" #include <dt-bindings/clock/mt6797-clk.h> static const struct mtk_gate_regs vdec0_cg_regs = { .set_ofs = 0x0000, .clr_ofs = 0x0004, .sta_ofs = 0x0000, }; static const struct mtk_gate_regs vdec1_cg_regs = { .set_ofs = 0x0008, .clr_ofs = 0x000c, .sta_ofs = 0x0008, }; #define GATE_VDEC0(_id, _name, _parent, _shift) { \ .id = _id, \ .name = _name, \ .parent_name = _parent, \ .regs = &vdec0_cg_regs, \ .shift = _shift, \ .ops = &mtk_clk_gate_ops_setclr_inv, \ } #define GATE_VDEC1(_id, _name, _parent, _shift) { \ .id = _id, \ .name = _name, \ .parent_name = _parent, \ .regs = &vdec1_cg_regs, \ .shift = _shift, \ .ops = &mtk_clk_gate_ops_setclr_inv, \ } static const struct mtk_gate vdec_clks[] = { GATE_VDEC0(CLK_VDEC_CKEN_ENG, "vdec_cken_eng", "vdec_sel", 8), GATE_VDEC0(CLK_VDEC_ACTIVE, "vdec_active", "vdec_sel", 4), GATE_VDEC0(CLK_VDEC_CKEN, "vdec_cken", "vdec_sel", 0), GATE_VDEC1(CLK_VDEC_LARB1_CKEN, "vdec_larb1_cken", "mm_sel", 0), }; static const struct of_device_id of_match_clk_mt6797_vdec[] = { { .compatible = "mediatek,mt6797-vdecsys", }, {} }; static int clk_mt6797_vdec_probe(struct platform_device *pdev) { struct clk_onecell_data *clk_data; int r; struct device_node *node = pdev->dev.of_node; clk_data = mtk_alloc_clk_data(CLK_VDEC_NR); mtk_clk_register_gates(node, vdec_clks, ARRAY_SIZE(vdec_clks), clk_data); r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); if (r) dev_err(&pdev->dev, "could not register clock provider: %s: %d\n", pdev->name, r); return r; } static struct platform_driver clk_mt6797_vdec_drv = { .probe = clk_mt6797_vdec_probe, .driver = { .name = "clk-mt6797-vdec", .of_match_table = of_match_clk_mt6797_vdec, }, }; builtin_platform_driver(clk_mt6797_vdec_drv);