1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Copyright (c) 2019 MediaTek Inc.
4  * Author: Jitao Shi <jitao.shi@mediatek.com>
5  */
6 
7 #ifndef _MTK_MIPI_TX_H
8 #define _MTK_MIPI_TX_H
9 
10 #include <linux/clk.h>
11 #include <linux/clk-provider.h>
12 #include <linux/delay.h>
13 #include <linux/module.h>
14 #include <linux/nvmem-consumer.h>
15 #include <linux/platform_device.h>
16 #include <linux/phy/phy.h>
17 #include <linux/slab.h>
18 
19 struct mtk_mipitx_data {
20 	const u32 mppll_preserve;
21 	const struct clk_ops *mipi_tx_clk_ops;
22 	void (*mipi_tx_enable_signal)(struct phy *phy);
23 	void (*mipi_tx_disable_signal)(struct phy *phy);
24 };
25 
26 struct mtk_mipi_tx {
27 	struct device *dev;
28 	void __iomem *regs;
29 	u32 data_rate;
30 	u32 mipitx_drive;
31 	u32 rt_code[5];
32 	const struct mtk_mipitx_data *driver_data;
33 	struct clk_hw pll_hw;
34 };
35 
36 struct mtk_mipi_tx *mtk_mipi_tx_from_clk_hw(struct clk_hw *hw);
37 int mtk_mipi_tx_pll_set_rate(struct clk_hw *hw, unsigned long rate,
38 			     unsigned long parent_rate);
39 unsigned long mtk_mipi_tx_pll_recalc_rate(struct clk_hw *hw,
40 					  unsigned long parent_rate);
41 
42 extern const struct mtk_mipitx_data mt2701_mipitx_data;
43 extern const struct mtk_mipitx_data mt8173_mipitx_data;
44 extern const struct mtk_mipitx_data mt8183_mipitx_data;
45 
46 #endif
47