Commit 41d32cfc authored by Baolin Wang's avatar Baolin Wang Committed by Linus Walleij

pinctrl: sprd: Add Spreadtrum pin control driver

This patch adds the pin control driver for Spreadtrum SC9860 platform.
Signed-off-by: default avatarBaolin Wang <baolin.wang@spreadtrum.com>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent e6f3f669
......@@ -350,6 +350,7 @@ source "drivers/pinctrl/qcom/Kconfig"
source "drivers/pinctrl/samsung/Kconfig"
source "drivers/pinctrl/sh-pfc/Kconfig"
source "drivers/pinctrl/spear/Kconfig"
source "drivers/pinctrl/sprd/Kconfig"
source "drivers/pinctrl/stm32/Kconfig"
source "drivers/pinctrl/sunxi/Kconfig"
source "drivers/pinctrl/tegra/Kconfig"
......
......@@ -56,6 +56,7 @@ obj-$(CONFIG_ARCH_QCOM) += qcom/
obj-$(CONFIG_PINCTRL_SAMSUNG) += samsung/
obj-$(CONFIG_PINCTRL_SH_PFC) += sh-pfc/
obj-$(CONFIG_PINCTRL_SPEAR) += spear/
obj-y += sprd/
obj-$(CONFIG_PINCTRL_STM32) += stm32/
obj-$(CONFIG_PINCTRL_SUNXI) += sunxi/
obj-y += ti/
......
#
# Spreadtrum pin control drivers
#
config PINCTRL_SPRD
bool "Spreadtrum pinctrl driver"
select PINMUX
select PINCONF
select GENERIC_PINCONF
select GENERIC_PINMUX_FUNCTIONS
help
Say Y here to enable Spreadtrum pinctrl driver
config PINCTRL_SPRD_SC9860
bool "Spreadtrum SC9860 pinctrl driver"
help
Say Y here to enable Spreadtrum SC9860 pinctrl driver
obj-$(CONFIG_PINCTRL_SPRD) += pinctrl-sprd.o
obj-$(CONFIG_PINCTRL_SPRD_SC9860) += pinctrl-sprd-sc9860.o
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/*
* Driver header file for pin controller driver
* Copyright (C) 2017 Spreadtrum - http://www.spreadtrum.com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#ifndef __PINCTRL_SPRD_H__
#define __PINCTRL_SPRD_H__
struct platform_device;
#define NUM_OFFSET (20)
#define TYPE_OFFSET (16)
#define BIT_OFFSET (8)
#define WIDTH_OFFSET (4)
#define SPRD_PIN_INFO(num, type, offset, width, reg) \
(((num) & 0xFFF) << NUM_OFFSET | \
((type) & 0xF) << TYPE_OFFSET | \
((offset) & 0xFF) << BIT_OFFSET | \
((width) & 0xF) << WIDTH_OFFSET | \
((reg) & 0xF))
#define SPRD_PINCTRL_PIN(pin) SPRD_PINCTRL_PIN_DATA(pin, #pin)
#define SPRD_PINCTRL_PIN_DATA(a, b) \
{ \
.name = b, \
.num = (((a) >> NUM_OFFSET) & 0xfff), \
.type = (((a) >> TYPE_OFFSET) & 0xf), \
.bit_offset = (((a) >> BIT_OFFSET) & 0xff), \
.bit_width = ((a) >> WIDTH_OFFSET & 0xf), \
.reg = ((a) & 0xf) \
}
enum pin_type {
GLOBAL_CTRL_PIN,
COMMON_PIN,
MISC_PIN,
};
struct sprd_pins_info {
const char *name;
unsigned int num;
enum pin_type type;
/* for global control pins configuration */
unsigned long bit_offset;
unsigned long bit_width;
unsigned int reg;
};
int sprd_pinctrl_core_probe(struct platform_device *pdev,
struct sprd_pins_info *sprd_soc_pin_info,
int pins_cnt);
int sprd_pinctrl_remove(struct platform_device *pdev);
void sprd_pinctrl_shutdown(struct platform_device *pdev);
#endif /* __PINCTRL_SPRD_H__ */
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