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4d30111cea
This patch adds pinctrl support for MediaTek MT7621 SoC. The MT7621 SoC supports pinconf, but it is not the same as mt7628. Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com> Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>
65 lines
1.7 KiB
C
65 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2019 MediaTek Inc. All Rights Reserved.
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*
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* Author: Weijie Gao <weijie.gao@mediatek.com>
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*/
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#ifndef _PINCTRL_MTMIPS_COMMON_H_
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#define _PINCTRL_MTMIPS_COMMON_H_
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#include <common.h>
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struct mtmips_pmx_func {
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const char *name;
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int value;
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};
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struct mtmips_pmx_group {
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const char *name;
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u32 reg;
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u32 shift;
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char mask;
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int pconf_avail;
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u32 pconf_reg;
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u32 pconf_shift;
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int nfuncs;
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const struct mtmips_pmx_func *funcs;
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};
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struct mtmips_pinctrl_priv {
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void __iomem *base;
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u32 ngroups;
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const struct mtmips_pmx_group *groups;
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u32 nfuncs;
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const struct mtmips_pmx_func **funcs;
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};
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#define FUNC(name, value) { name, value }
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#define GRP(_name, _funcs, _reg, _shift, _mask) \
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{ .name = (_name), .reg = (_reg), .shift = (_shift), .mask = (_mask), \
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.funcs = (_funcs), .nfuncs = ARRAY_SIZE(_funcs) }
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#define GRP_PCONF(_name, _funcs, _reg, _shift, _mask, _pconf_reg, _pconf_shift) \
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{ .name = (_name), .reg = (_reg), .shift = (_shift), .mask = (_mask), \
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.funcs = (_funcs), .nfuncs = ARRAY_SIZE(_funcs), .pconf_avail = 1, \
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.pconf_reg = (_pconf_reg), .pconf_shift = (_pconf_shift) }
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void mtmips_pinctrl_reg_set(struct mtmips_pinctrl_priv *priv,
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u32 reg, u32 shift, u32 mask, u32 value);
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int mtmips_get_functions_count(struct udevice *dev);
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const char *mtmips_get_function_name(struct udevice *dev,
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unsigned int selector);
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int mtmips_pinmux_group_set(struct udevice *dev, unsigned int group_selector,
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unsigned int func_selector);
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int mtmips_pinctrl_probe(struct mtmips_pinctrl_priv *priv, u32 ngroups,
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const struct mtmips_pmx_group *groups);
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#endif /* _PINCTRL_MTMIPS_COMMON_H_ */
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