From 1371b9a5632a637a93e3a7592c91f64d7067c369 Mon Sep 17 00:00:00 2001 From: Chunfeng Yun Date: Sat, 18 Dec 2021 16:28:00 +0800 Subject: 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 Link: https://lore.kernel.org/r/20211218082802.5256-3-chunfeng.yun@mediatek.com Signed-off-by: Vinod Koul --- drivers/phy/mediatek/phy-mtk-io.h | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 drivers/phy/mediatek/phy-mtk-io.h diff --git a/drivers/phy/mediatek/phy-mtk-io.h b/drivers/phy/mediatek/phy-mtk-io.h new file mode 100644 index 000000000000..500fcdab165d --- /dev/null +++ b/drivers/phy/mediatek/phy-mtk-io.h @@ -0,0 +1,38 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2021 MediaTek Inc. + * + * Author: Chunfeng Yun + */ + +#ifndef __PHY_MTK_H__ +#define __PHY_MTK_H__ + +#include + +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 -- cgit v1.2.3