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