| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * Copyright (c) 2019 MediaTek Inc. |
| * Author: Wendell Lin <wendell.lin@mediatek.com> |
| */ |
| |
| #include <linux/module.h> |
| #include <linux/clk-provider.h> |
| #include <linux/platform_device.h> |
| #include <dt-bindings/clock/mt6779-clk.h> |
| |
| #include "clk-mtk.h" |
| #include "clk-gate.h" |
| |
| static const struct mtk_gate_regs img_cg_regs = { |
| .set_ofs = 0x0004, |
| .clr_ofs = 0x0008, |
| .sta_ofs = 0x0000, |
| }; |
| |
| #define GATE_IMG(_id, _name, _parent, _shift) \ |
| GATE_MTK(_id, _name, _parent, &img_cg_regs, _shift, \ |
| &mtk_clk_gate_ops_setclr) |
| |
| static const struct mtk_gate img_clks[] = { |
| GATE_IMG(CLK_IMG_LARB5, "imgsys_larb5", "img_sel", 0), |
| GATE_IMG(CLK_IMG_LARB6, "imgsys_larb6", "img_sel", 1), |
| GATE_IMG(CLK_IMG_DIP, "imgsys_dip", "img_sel", 2), |
| GATE_IMG(CLK_IMG_MFB, "imgsys_mfb", "img_sel", 6), |
| GATE_IMG(CLK_IMG_WPE_A, "imgsys_wpe_a", "img_sel", 7), |
| }; |
| |
| static const struct of_device_id of_match_clk_mt6779_img[] = { |
| { .compatible = "mediatek,mt6779-imgsys", }, |
| {} |
| }; |
| |
| static int clk_mt6779_img_probe(struct platform_device *pdev) |
| { |
| struct clk_hw_onecell_data *clk_data; |
| struct device_node *node = pdev->dev.of_node; |
| |
| clk_data = mtk_alloc_clk_data(CLK_IMG_NR_CLK); |
| |
| mtk_clk_register_gates(node, img_clks, ARRAY_SIZE(img_clks), |
| clk_data); |
| |
| return of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); |
| } |
| |
| static struct platform_driver clk_mt6779_img_drv = { |
| .probe = clk_mt6779_img_probe, |
| .driver = { |
| .name = "clk-mt6779-img", |
| .of_match_table = of_match_clk_mt6779_img, |
| }, |
| }; |
| |
| module_platform_driver(clk_mt6779_img_drv); |
| MODULE_LICENSE("GPL"); |