/*
* Ingenic SoCs pinctrl driver
*
* Copyright (c) 2017 Paul Cercueil <paul@crapouillou.net>
*
* License terms: GNU General Public License (GPL) version 2
*/
#include <linux/compiler.h>
#include <linux/gpio/driver.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/of_device.h>
#include <linux/of_irq.h>
#include <linux/of_platform.h>
#include <linux/pinctrl/pinctrl.h>
#include <linux/pinctrl/pinmux.h>
#include <linux/pinctrl/pinconf.h>
#include <linux/pinctrl/pinconf-generic.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>
#include <linux/slab.h>
#include "core.h"
#include "pinconf.h"
#include "pinmux.h"
#define GPIO_PIN 0x00
#define GPIO_MSK 0x20
#define JZ4740_GPIO_DATA 0x10
#define JZ4740_GPIO_PULL_DIS 0x30
#define JZ4740_GPIO_FUNC 0x40
#define JZ4740_GPIO_SELECT 0x50
#define JZ4740_GPIO_DIR 0x60
#define JZ4740_GPIO_TRIG 0x70
#define JZ4740_GPIO_FLAG 0x80
#define JZ4770_GPIO_INT 0x10
#define JZ4770_GPIO_PAT1 0x30
#define JZ4770_GPIO_PAT0 0x40
#define JZ4770_GPIO_FLAG 0x50
#define JZ4770_GPIO_PEN 0x70
#define REG_SET(x) ((x) + 0x4)
#define REG_CLEAR(x) ((x) + 0x8)
#define PINS_PER_GPIO_CHIP 32
enum jz_version {
ID_JZ4740,
ID_JZ4725B,
ID_JZ4770,
ID_JZ4780,
};
struct ingenic_chip_info {
unsigned int num_chips;
const struct group_desc *groups;
unsigned int num_groups;
const struct function_desc *functions;
unsigned int num_functions;
const u32 *pull_ups, *pull_downs;
};
struct ingenic_pinctrl {
struct device *dev;
struct regmap *map;
struct pinctrl_dev *pctl;
struct pinctrl_pin_desc *pdesc;
enum jz_version version;
const struct ingenic_chip_info *info;
};
struct ingenic_gpio_chip {
struct ingenic_pinctrl *jzpc;
struct gpio_chip gc;
struct irq_chip irq_chip;
unsigned int irq, reg_base;
};
static const u32 jz4740_pull_ups[4] = {
0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
};
static const u32 jz4740_pull_downs[4] = {
0x00000000, 0x00000000, 0x00000000, 0x00000000,
};
static int jz4740_mmc_1bit_pins[] = { 0x69, 0x68, 0x6a, };
static int jz4740_mmc_4bit_pins[] = { 0x6b, 0x6c, 0x6d, };
static int jz4740_uart0_data_pins[] = { 0x7a, 0x79, };
static int jz4740_uart0_hwflow_pins[] = { 0x7e, 0x7f, };
static int jz4740_uart1_data_pins[] = { 0x7e, 0x7f, };
static int jz4740_lcd_8bit_pins[] = {
0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x