linux-stable/drivers/phy/mediatek/phy-mtk-io.h
Chunfeng Yun 1371b9a563 phy: mediatek: add helpers to update bits of registers
Add three helpers mtk_phy_clear/set/update_bits() for registers operation

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/20211218082802.5256-3-chunfeng.yun@mediatek.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2021-12-24 10:06:37 +05:30

38 lines
630 B
C

/* 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