| // SPDX-License-Identifier: GPL-2.0-only |
| /* |
| * Copyright (c) 2014 MediaTek Inc. |
| * Author: Shunli Wang <shunli.wang@mediatek.com> |
| */ |
| |
| #include <linux/clk-provider.h> |
| #include <linux/platform_device.h> |
| |
| #include "clk-mtk.h" |
| #include "clk-gate.h" |
| |
| #include <dt-bindings/clock/mt2701-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_CKGEN, "vdec_cken", "vdec_sel", 0), |
| GATE_VDEC1(CLK_VDEC_LARB, "vdec_larb_cken", "mm_sel", 0), |
| }; |
| |
| static const struct of_device_id of_match_clk_mt2701_vdec[] = { |
| { .compatible = "mediatek,mt2701-vdecsys", }, |
| {} |
| }; |
| |
| static int clk_mt2701_vdec_probe(struct platform_device *pdev) |
| { |
| struct clk_hw_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_hw_provider(node, of_clk_hw_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_mt2701_vdec_drv = { |
| .probe = clk_mt2701_vdec_probe, |
| .driver = { |
| .name = "clk-mt2701-vdec", |
| .of_match_table = of_match_clk_mt2701_vdec, |
| }, |
| }; |
| |
| builtin_platform_driver(clk_mt2701_vdec_drv); |