linux/drivers/gpu/drm/mediatek/mtk_mipi_tx.h
Jitao Shi efda51a58b drm/mediatek: add mipi_tx driver for mt8183
This patch add mt8183 mipi_tx driver.
And also support other chips that use the same binding and driver.

Signed-off-by: Jitao Shi <jitao.shi@mediatek.com>
Signed-off-by: CK Hu <ck.hu@mediatek.com>
2019-10-07 12:29:37 +08:00

50 lines
1.4 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2019 MediaTek Inc.
* Author: Jitao Shi <jitao.shi@mediatek.com>
*/
#ifndef _MTK_MIPI_TX_H
#define _MTK_MIPI_TX_H
#include <linux/clk.h>
#include <linux/clk-provider.h>
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/module.h>
#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <linux/phy/phy.h>
struct mtk_mipitx_data {
const u32 mppll_preserve;
const struct clk_ops *mipi_tx_clk_ops;
void (*mipi_tx_enable_signal)(struct phy *phy);
void (*mipi_tx_disable_signal)(struct phy *phy);
};
struct mtk_mipi_tx {
struct device *dev;
void __iomem *regs;
u32 data_rate;
const struct mtk_mipitx_data *driver_data;
struct clk_hw pll_hw;
struct clk *pll;
};
struct mtk_mipi_tx *mtk_mipi_tx_from_clk_hw(struct clk_hw *hw);
void mtk_mipi_tx_clear_bits(struct mtk_mipi_tx *mipi_tx, u32 offset, u32 bits);
void mtk_mipi_tx_set_bits(struct mtk_mipi_tx *mipi_tx, u32 offset, u32 bits);
void mtk_mipi_tx_update_bits(struct mtk_mipi_tx *mipi_tx, u32 offset, u32 mask,
u32 data);
int mtk_mipi_tx_pll_set_rate(struct clk_hw *hw, unsigned long rate,
unsigned long parent_rate);
unsigned long mtk_mipi_tx_pll_recalc_rate(struct clk_hw *hw,
unsigned long parent_rate);
extern const struct mtk_mipitx_data mt2701_mipitx_data;
extern const struct mtk_mipitx_data mt8173_mipitx_data;
extern const struct mtk_mipitx_data mt8183_mipitx_data;
#endif