/*
* VF610 pinctrl driver based on imx pinmux and pinconf core
*
* Copyright 2013 Freescale Semiconductor, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#include <linux/err.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/pinctrl/pinctrl.h>
#include "pinctrl-imx.h"
enum vf610_pads {
VF610_PAD_PTA6 = 0,
VF610_PAD_PTA8 = 1,
VF610_PAD_PTA9 = 2,
VF610_PAD_PTA10 = 3,
VF610_PAD_PTA11 = 4,
VF610_PAD_PTA12 = 5,
VF610_PAD_PTA16 = 6,
VF610_PAD_PTA17 = 7,
VF610_PAD_PTA18 = 8,
VF610_PAD_PTA19 = 9,
VF610_PAD_PTA20 = 10,
VF610_PAD_PTA21 = 11,
VF610_PAD_PTA22 = 12,
VF610_PAD_PTA23 = 13,
VF610_PAD_PTA24 = 14,
VF610_PAD_PTA25 = 15,
VF610_PAD_PTA26 = 16,
VF610_PAD_PTA27 = 17,
VF610_PAD_PTA28 = 18,
VF610_PAD_PTA29 = 19,
VF610_PAD_PTA30 = 20,
VF610_PAD_PTA31 = 21,
VF610_PAD_PTB0 = 22,
VF610_PAD_PTB1 = 23,
VF610_PAD_PTB2 = 24,
VF610_PAD_PTB3 = 25,
VF610_PAD_PTB4 = 26,
VF610_PAD_PTB5 = 27,
VF610_PAD_PTB6 = 28,
VF610_PAD_PTB7 = 29,
VF610_PAD_PTB8 = 30,
VF610_PAD_PTB9 = 31,
VF610_PAD_PTB10 = 32,
VF610_PAD_PTB11 = 33,
VF610_PAD_PTB12 = 34,
VF610_PAD_PTB13 = 35,
VF610_PAD_PTB14 = 36,
VF610_PAD_PTB15 = 37,
VF610_PAD_PTB16 = 38,
VF610_PAD_PTB17 = 39,
VF610_PAD_PTB18 = 40,
VF610_PAD_PTB19 = 41,
VF610_PAD_PTB20 = 42,
VF610_PAD_PTB21 = 43,
VF610_PAD_PTB22 = 44,
VF610_PAD_PTC0 = 45,
VF610_PAD_PTC1 = 46,
VF610_PAD_PTC2 = 47,
VF610_PAD_PTC3 = 48,
VF610_PAD_PTC4 = 49,
VF610_PAD_PTC5 = 50,
VF610_PAD_PTC6 = 51,
VF610_PAD_PTC7 = 52,
VF610_PAD_PTC8 = 53,
VF610_PAD_PTC9 = 54,
VF610_PAD_PTC10 = 55,
VF610_PAD_PTC11 = 56,
VF610_PAD_PTC12 = 57,
VF610_PAD_PTC13 = 58,
VF610_PAD_PTC14 = 59,
VF610_PAD_PTC15 = 60,
VF610_PAD_PTC16 = 61,
VF610_PAD_PTC17 = 62,
VF610_PAD_PTD31 = 63,
VF610_PAD_PTD30 = 64,
VF610_PAD_PTD29 = 65,
VF610_PAD_PTD28 = 66,
VF610_PAD_PTD27 = 67,
VF610_PAD_PTD26 = 68,
VF610_PAD_PTD25 = 69,
VF610_PAD_PTD24 = 70,
VF610_PAD_PTD23 = 71,
VF610_PAD_PTD22 = 72,
VF610_PAD_PTD21 = 73,
VF610_PAD_PTD20 = 74,
VF610_PAD_PTD19 = 75,
VF610_PAD_PTD18 = 76,
VF610_PAD_PTD17 = 77,
VF610_PAD_PTD16 = 78,
VF610_PAD_PTD0 = 79,
VF610_PAD_PTD1 = 80,
VF610_PAD_PTD2 = 81,
VF610_PAD_PTD3 = 82,
VF610_PAD_PTD4 = 83,
VF610_PAD_PTD5 = 84,
VF610_PAD_PTD6 = 85,
VF610_PAD_PTD7 = 86,
VF610_PAD_PTD8 = 87,
VF610_PAD_PTD9 = 88,
VF610_PAD_PTD10 = 89,
VF610_PAD_PTD11 = 90,
VF610_PAD_PTD12 = 91,
VF610_PAD_PTD13 = 92,
VF610_PAD_PTB23 = 93,
VF610_PAD_PTB24 = 94,
VF610_PAD_PTB25 = 95,
VF610_PAD_PTB26 = 96,
VF610_PAD_PTB27 = 97,
VF610_PAD_PTB28 = 98,
VF610_PAD_PTC26 = 99,
VF610_PAD_PTC27 = 100,
VF610_PAD_PTC28 = 101,
VF610_PAD_PTC29 = 102,
VF610_PAD_PTC30 = 103,
VF610_PAD_PTC31 = 104,
VF610_PAD_PTE0 = 105,
VF610_PAD_PTE1 = 106,
VF610_PAD_PTE2 = 107,
VF610_PAD_PTE3 = 108,
VF610_PAD_PTE4 = 109,
VF610_PAD_PTE5 = 110,
VF610_PAD_PTE6 = 111,
VF610_PAD_PTE7 = 112,
VF610_PAD_PTE8 = 113,
VF610_PAD_PTE9 = 114,
VF610_PAD_PTE10 = 115,
VF610_PAD_PTE11 = 116,
VF610_PAD_PTE12 = 117,
VF610_PAD_PTE13 = 118,
VF610_PAD_PTE14 = 119,
VF610_PAD_PTE15 = 120,
VF610_PAD_PTE16 = 121,
VF610_PAD_PTE17 = 122,
VF610_PAD_PTE18 = 123,
VF610_PAD_PTE19 = 124,
VF610_PAD_PTE20 = 125,
VF610_PAD_PTE21 = 126,
VF610_PAD_PTE22 = 127,
VF610_PAD_PTE23 = 128,
VF610_PAD_PTE24 = 129,
VF610_PAD_PTE25 = 130,
VF610_PAD_PTE26 = 131,
VF610_PAD_PTE27 = 132,
VF610_PAD_PTE28 = 133,
VF610_PAD_PTA7 = 134,
};
/* Pad names for the pinmux subsystem */
static const struct pinctrl_pin_desc vf610_pinctrl_pads[] = {
IMX_PINCTRL_PIN(VF610_PAD_PTA6),
IMX_PINCTRL_PIN(VF610_PAD_PTA8),
IMX_PINCTRL_PIN(VF610_PAD_PTA9),
IMX_PINCTRL_PIN(VF610_PAD_PTA10),
IMX_PINCTRL_PIN(VF610_PAD_PTA11),
IMX_PINCTRL_PIN(VF610_PAD_PTA12),
IMX_PINCTRL_PIN(VF610_PAD_PTA16),
IMX_PINCTRL_PIN(VF610_PAD_PTA17),
IMX_PINCTRL_PIN(VF610_PAD_PTA18),
IMX_PINCTRL_PIN(VF610_PAD_PTA19),
IMX_PINCTRL_PIN(VF610_PAD_PTA20),
IMX_PINCTRL_PIN(VF610_PAD_PTA21),
IMX_PINCTRL_PIN(VF610_PAD_PTA22),
IMX_PINCTRL_PIN(VF610_PAD_PTA23),
IMX_PINCTRL_PIN(VF610_PAD_PTA24),
IMX_PINCTRL_PIN(VF610_PAD_PTA25),
IMX_PINCTRL_PIN(VF610_PAD_PTA26),
IMX_PINCTRL_PIN(VF610_PAD_PTA27),
IMX_PINCTRL_PIN(VF610_PAD_PTA28),
IMX_PINCTRL_PIN(VF610_PAD_PTA29),
IMX_PINCTRL_PIN(VF610_PAD_PTA30),
IMX_PINCTRL_PIN(VF610_PAD_PTA31),
IMX_PINCTRL_PIN(VF610_PAD_PTB0),
IMX_PINCTRL_PIN(VF610_PAD_PTB1),
IMX_PINCTRL_PIN(VF610_PAD_PTB2),
IMX_PINCTRL_PIN(VF610_PAD_PTB3),
IMX_PINCTRL_PIN(VF610_PAD_PTB4),
IMX_PINCTRL_PIN(VF610_PAD_PTB5),
IMX_PINCTRL_PIN(VF610_PAD_PTB6),
IMX_PINCTRL_PIN(VF610_PAD_PTB7),
IMX_PINCTRL_PIN(VF610_PAD_PTB8),
IMX_PINCTRL_PIN(VF610_PAD_PTB9),
IMX_PINCTRL_PIN(VF610_PAD_PTB10),
IMX_PINCTRL_PIN(VF610_PAD_PTB11),
IMX_PINCTRL_PIN(VF610_PAD_PTB12),
IMX_PINCTRL_PIN(VF610_PAD_PTB13),
IMX_PINCTRL_PIN(VF610_PAD_PTB14),
IMX_PINCTRL_PIN(VF610_PAD_PTB15),
IMX_PINCTRL_PIN(VF610_PAD_PTB16),
IMX_PINCTRL_PIN(VF610_PAD_PTB17),
IMX_PINCTRL_PIN(VF610_PAD_PTB18),
IMX_PINCTRL_PIN(VF610_PAD_PTB19),
IMX_PINCTRL_PIN(VF610_PAD_PTB20),
IMX_PINCTRL_PIN(VF610_PAD_PTB21),
IMX_PINCTRL_PIN(VF610_PAD_PTB22),
IMX_PINCTRL_PIN(VF610_PAD_PTC0),
IMX_PINCTRL_PIN(VF610_PAD_PTC1),
IMX_PINCTRL_PIN(VF610_PAD_PTC2),
IMX_PINCTRL_PIN(VF610_PAD_PTC3),
IMX_PINCTRL_PIN(VF610_PAD_PTC4),
IMX_PINCTRL_PIN(VF610_PAD_PTC5),
IMX_PINCTRL_PIN(VF610_PAD_PTC6),
IMX_PINCTRL_PIN(VF610_PAD_PTC7),
IMX_PINCTRL_PIN(VF610_PAD_PTC8),
IMX_PINCTRL_PIN(VF610_PAD_PTC9),
IMX_PINCTRL_PIN(VF610_PAD_PTC10),
IMX_PINCTRL_PIN(VF610_PAD_PTC11),
IMX_PINCTRL_PIN(VF610_PAD_PTC12),
IMX_PINCTRL_PIN(VF610_PAD_PTC13),
IMX_PINCTRL_PIN(VF610_PAD_PTC14),
IMX_PINCTRL_PIN(VF610_PAD_PTC15),
IMX_PINCTRL_PIN(VF610_PAD_PTC16),
IMX_PINCTRL_PIN(VF610_PAD_PTC17),
IMX_PINCTRL_PIN(VF610_PAD_PTD31),
IMX_PINCTRL_PIN(VF610_PAD_PTD30),
IMX_PINCTRL_PIN(VF610_PAD_PTD29),
IMX_PINCTRL_PIN(VF610_PAD_PTD28),
IMX_PINCTRL_PIN(VF610_PAD_PTD27),
IMX_PINCTRL_PIN(VF610_PAD_PTD26),
IMX_PINCTRL_PIN(VF610_PAD_PTD25),
IMX_PINCTRL_PIN(VF610_PAD_PTD24),
IMX_PINCTRL_PIN(VF610_PAD_PTD23),
IMX_PINCTRL_PIN(VF610_PAD_PTD22),
IMX_PINCTRL_PIN(VF610_PAD_PTD21),
IMX_PINCTRL_PIN(VF610_PAD_PTD20),
IMX_PINCTRL_PIN(VF610_PAD_PTD19),
IMX_PINCTRL_PIN(VF610_PAD_PTD18),
IMX_PINCTRL_PIN(VF610_PAD_PTD17),
IMX_PINCTRL_PIN(VF610_PAD_PTD16),
IMX_PINCTRL_PIN(VF610_PAD_PTD0),
IMX_PINCTRL_PIN(VF610_PAD_PTD1),
IMX_PINCTRL_PIN(VF610_PAD_PTD2),
IMX_PINCTRL_PIN(VF610_PAD_PTD3),
IMX_PINCTRL_PIN(VF610_PAD_PTD4),
IMX_PINCTRL_PIN(VF610_PAD_PTD5),
IMX_PINCTRL_PIN(VF610_PAD_PTD6),
IMX_PINCTRL_PIN(VF610_PAD_PTD7),
IMX_PINCTRL_PIN(VF610_PAD_PTD8),
IMX_PINCTRL_PIN(VF610_PAD_PTD9),
IMX_PINCTRL_PIN(VF610_PAD_PTD10),
IMX_PINCTRL_PIN(VF610_PAD_PTD11),
IMX_PINCTRL_PIN(VF610_PAD_PTD12),
IMX_PINCTRL_PIN(VF610_PAD_PTD13),
IMX_PINCTRL_PIN(VF610_PAD_PTB23),
IMX_PINCTRL_PIN(VF610_PAD_PTB24),
IMX_PINCTRL_PIN(VF610_PAD_PTB25),
IMX_PINCTRL_PIN(VF610_PAD_PTB26),
IMX_PINCTRL_PIN(VF610_PAD_PTB27),
IMX_PINCTRL_PIN(VF610_PAD_PTB28),
IMX_PINCTRL_PIN(VF610_PAD_PTC26),
IMX_PINCTRL_PIN(VF610_PAD_PTC27),
IMX_PINCTRL_PIN(VF610_PAD_PTC28),
IMX_PINCTRL_PIN(VF610_PAD_PTC29),
IMX_PINCTRL_PIN(VF610_PAD_PTC30),
IMX_PINCTRL_PIN(VF610_PAD_PTC31),
IMX_PINCTRL_PIN(VF610_PAD_PTE0),
IMX_PINCTRL_PIN(VF610_PAD_PTE1),
IMX_PINCTRL_PIN(VF610_PAD_PTE2),
IMX_PINCTRL_PIN(VF610_PAD_PTE3),
IMX_PINCTRL_PIN(VF610_PAD_PTE4),
IMX_PINCTRL_PIN(VF610_PAD_PTE5),
IMX_PINCTRL_PIN(VF610_PAD_PTE6),
IMX_PINCTRL_PIN(VF610_PAD_PTE7),
IMX_PINCTRL_PIN(VF610_PAD_PTE8),
IMX_PINCTRL_PIN(VF610_PAD_PTE9),
IMX_PINCTRL_PIN(VF610_PAD_PTE10),
IMX_PINCTRL_PIN(VF610_PAD_PTE11),
IMX_PINCTRL_PIN(VF610_PAD_PTE12),
IMX_PINCTRL_PIN(VF610_PAD_PTE13),
IMX_PINCTRL_PIN(VF610_PAD_PTE14),
IMX_PINCTRL_PIN(VF610_PAD_PTE15),
IMX_PINCTRL_PIN(VF610_PAD_PTE16),
IMX_PINCTRL_PIN(VF610_PAD_PTE17),
IMX_PINCTRL_PIN(VF610_PAD_PTE18),
IMX_PINCTRL_PIN(VF610_PAD_PTE19),
IMX_PINCTRL_PIN(VF610_PAD_PTE20),
IMX_PINCTRL_PIN(VF610_PAD_PTE21),
IMX_PINCTRL_PIN(VF610_PAD_PTE22),
IMX_PINCTRL_PIN(VF610_PAD_PTE23),
IMX_PINCTRL_PIN(VF610_PAD_PTE24),
IMX_PINCTRL_PIN(VF610_PAD_PTE25),
IMX_PINCTRL_PIN(VF610_PAD_PTE26),
IMX_PINCTRL_PIN(VF610_PAD_PTE27),
IMX_PINCTRL_PIN(VF610_PAD_PTE28),
IMX_PINCTRL_PIN(VF610_PAD_PTA7),
};
static int vf610_pmx_gpio_set_direction(struct pinctrl_dev *pctldev,
struct pinctrl_gpio_range *range,
unsigned offset, bool input)
{
struct imx_pinctrl *ipctl = pinctrl_dev_get_drvdata(pctldev);
struct imx_pinctrl_soc_info *info = ipctl->info;
const struct imx_pin_reg *pin_reg;
u32 reg;
pin_reg = &info->pin_regs[offset];
if (pin_reg->mux_reg == -1)
return -EINVAL;
/* IBE always enabled allows us to read the value "on the wire" */
reg = readl(ipctl->base + pin_reg->mux_reg);
if (input)
reg &= ~0x2;
else
reg |= 0x2;
writel(reg, ipctl->base + pin_reg->mux_reg);
return 0;
}
static struct imx_pinctrl_soc_info vf610_pinctrl_info = {
.pins = vf610_pinctrl_pads,
.npins = ARRAY_SIZE(vf610_pinctrl_pads),
.flags = SHARE_MUX_CONF_REG | ZERO_OFFSET_VALID,
.gpio_set_direction = vf610_pmx_gpio_set_direction,
.mux_mask = 0x700000,
.mux_shift = 20,
};
static const struct of_device_id vf610_pinctrl_of_match[] = {
{ .compatible = "fsl,vf610-iomuxc", },
{ /* sentinel */ }
};
static int vf610_pinctrl_probe(struct platform_device *pdev)
{
return imx_pinctrl_probe(pdev, &vf610_pinctrl_info);
}
static struct platform_driver vf610_pinctrl_driver = {
.driver = {
.name = "vf610-pinctrl",
.of_match_table = vf610_pinctrl_of_match,
},
.probe = vf610_pinctrl_probe,
};
static int __init vf610_pinctrl_init(void)
{
return platform_driver_register(&vf610_pinctrl_driver);
}
arch_initcall(vf610_pinctrl_init);