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pinctrl: mediatek: add pinctrl-paris that implements the vendor dt-bindings

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Add pinctrl-paris core that implements vendor dt-binding which MediaTek
tablet, box and smartphone-based SoCs such as MT81xx, MT27xx, and MT67xx
SoCs really want to depend on. The driver is just completely rewritten
according to pinctrl-mtk-common.c but uses the new logic from
pinctrl-mtk-common-v2.c to have an elegant way to support new SoCs in the
future.

Signed-off-by: Zhiyong Tao <zhiyong.tao@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Zhiyong Tao
2018-09-08 19:07:33 +08:00
committed by Linus Walleij
parent b7d7f9eeca
commit 805250982b
5 changed files with 967 additions and 0 deletions
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9
drivers/pinctrl/mediatek/Kconfig
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@@ -24,6 +24,15 @@ config PINCTRL_MTK_MOORE
select GPIOLIB
select OF_GPIO
config PINCTRL_MTK_PARIS
bool "MediaTek Paris Core that implements vendor binding"
depends on OF
select PINMUX
select GENERIC_PINCONF
select GPIOLIB
select EINT_MTK
select OF_GPIO
# For ARMv7 SoCs
config PINCTRL_MT2701
bool "Mediatek MT2701 pin control"

1
drivers/pinctrl/mediatek/Makefile
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@@ -3,6 +3,7 @@
obj-$(CONFIG_EINT_MTK) += mtk-eint.o
obj-$(CONFIG_PINCTRL_MTK) += pinctrl-mtk-common.o
obj-$(CONFIG_PINCTRL_MTK_MOORE) += pinctrl-moore.o pinctrl-mtk-common-v2.o
obj-$(CONFIG_PINCTRL_MTK_PARIS) += pinctrl-paris.o pinctrl-mtk-common-v2.o
# SoC Drivers
obj-$(CONFIG_PINCTRL_MT2701) += pinctrl-mt2701.o

8
drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h
View File

@@ -174,6 +174,12 @@ struct mtk_pin_desc {
struct mtk_func_desc *funcs;
};
struct mtk_pinctrl_group {
const char *name;
unsigned long config;
unsigned pin;
};
struct mtk_pinctrl;
/* struct mtk_pin_soc - the structure that holds SoC-specific data */
@@ -228,6 +234,8 @@ struct mtk_pinctrl {
struct gpio_chip chip;
const struct mtk_pin_soc *soc;
struct mtk_eint *eint;
struct mtk_pinctrl_group *groups;
const char **grp_names;
};
void mtk_rmw(struct mtk_pinctrl *pctl, u8 i, u32 reg, u32 mask, u32 set);

884
drivers/pinctrl/mediatek/pinctrl-paris.c Normal file
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File diff suppressed because it is too large Load Diff

65
drivers/pinctrl/mediatek/pinctrl-paris.h Normal file
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@@ -0,0 +1,65 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2018 MediaTek Inc.
*
* Author: Sean Wang <sean.wang@mediatek.com>
* Zhiyong Tao <zhiyong.tao@mediatek.com>
* Hongzhou.Yang <hongzhou.yang@mediatek.com>
*/
#ifndef __PINCTRL_PARIS_H
#define __PINCTRL_PARIS_H
#include <linux/gpio.h>
#include <linux/gpio/driver.h>
#include <linux/io.h>
#include <linux/init.h>
#include <linux/of.h>
#include <linux/of_platform.h>
#include <linux/platform_device.h>
#include <linux/pinctrl/pinctrl.h>
#include <linux/pinctrl/pinmux.h>
#include <linux/pinctrl/pinconf.h>
#include <linux/pinctrl/pinconf-generic.h>
#include "../core.h"
#include "../pinconf.h"
#include "../pinctrl-utils.h"
#include "../pinmux.h"
#include "mtk-eint.h"
#include "pinctrl-mtk-common-v2.h"
#define MTK_RANGE(_a) { .range = (_a), .nranges = ARRAY_SIZE(_a), }
#define MTK_EINT_FUNCTION(_eintmux, _eintnum) \
{ \
.eint_m = _eintmux, \
.eint_n = _eintnum, \
}
#define MTK_FUNCTION(_val, _name) \
{ \
.muxval = _val, \
.name = _name, \
}
#define MTK_PIN(_number, _name, _eint, _drv_n, ...) { \
.number = _number, \
.name = _name, \
.eint = _eint, \
.drv_n = _drv_n, \
.funcs = (struct mtk_func_desc[]){ \
__VA_ARGS__, { } }, \
}
#define PINCTRL_PIN_GROUP(name, id) \
{ \
name, \
id##_pins, \
ARRAY_SIZE(id##_pins), \
id##_funcs, \
}
int mtk_paris_pinctrl_probe(struct platform_device *pdev,
const struct mtk_pin_soc *soc);
#endif /* __PINCTRL_PARIS_H */