Commit 1371b9a5 authored by Chunfeng Yun's avatar Chunfeng Yun Committed by Vinod Koul
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phy: mediatek: add helpers to update bits of registers 



Add three helpers mtk_phy_clear/set/update_bits() for registers operation

Signed-off-by: default avatarChunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/20211218082802.5256-3-chunfeng.yun@mediatek.com


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent 6f2b033c

drivers/phy/mediatek/phy-mtk-io.h

0 → 100644
+38 −0
Original line number Diff line number Diff line 
/* SPDX-License-Identifier: GPL-2.0 */

/*

 * Copyright (C) 2021 MediaTek Inc.

 *

 * Author: Chunfeng Yun <chunfeng.yun@mediatek.com>

 */



#ifndef __PHY_MTK_H__

#define __PHY_MTK_H__



#include <linux/io.h>



static inline void mtk_phy_clear_bits(void __iomem *reg, u32 bits)

{

	u32 tmp = readl(reg);



	tmp &= ~bits;

	writel(tmp, reg);

}



static inline void mtk_phy_set_bits(void __iomem *reg, u32 bits)

{

	u32 tmp = readl(reg);



	tmp |= bits;

	writel(tmp, reg);

}



static inline void mtk_phy_update_bits(void __iomem *reg, u32 mask, u32 val)

{

	u32 tmp = readl(reg);



	tmp &= ~mask;

	tmp |= val & mask;

	writel(tmp, reg);

}



#endif