2 * Copyright (c) 2017 MediaTek Inc.
3 * Author: Weiyi Lu <weiyi.lu@mediatek.com>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
15 #include <linux/clk-provider.h>
16 #include <linux/platform_device.h>
21 #include <dt-bindings/clock/mt2712-clk.h>
23 static const struct mtk_gate_regs venc_cg_regs = {
29 #define GATE_VENC(_id, _name, _parent, _shift) { \
32 .parent_name = _parent, \
33 .regs = &venc_cg_regs, \
35 .ops = &mtk_clk_gate_ops_setclr_inv, \
38 static const struct mtk_gate venc_clks[] = {
39 GATE_VENC(CLK_VENC_SMI_COMMON_CON, "venc_smi", "mm_sel", 0),
40 GATE_VENC(CLK_VENC_VENC, "venc_venc", "venc_sel", 4),
41 GATE_VENC(CLK_VENC_SMI_LARB6, "venc_smi_larb6", "jpgdec_sel", 12),
44 static int clk_mt2712_venc_probe(struct platform_device *pdev)
46 struct clk_onecell_data *clk_data;
48 struct device_node *node = pdev->dev.of_node;
50 clk_data = mtk_alloc_clk_data(CLK_VENC_NR_CLK);
52 mtk_clk_register_gates(node, venc_clks, ARRAY_SIZE(venc_clks),
55 r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
58 pr_err("%s(): could not register clock provider: %d\n",
64 static const struct of_device_id of_match_clk_mt2712_venc[] = {
65 { .compatible = "mediatek,mt2712-vencsys", },
69 static struct platform_driver clk_mt2712_venc_drv = {
70 .probe = clk_mt2712_venc_probe,
72 .name = "clk-mt2712-venc",
73 .of_match_table = of_match_clk_mt2712_venc,
77 builtin_platform_driver(clk_mt2712_venc_drv);