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/*
*
* (C) Copyright 2009-2010 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.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __PINCTRL_H
#define __PINCTRL_H
#define PIN_BITS (5)
#define PINS_PER_BANK (1 << PIN_BITS)
#define PINID_2_BANK(id) ((id) >> PIN_BITS)
#define PINID_2_PIN(id) ((id) & (PINS_PER_BANK - 1))
#define PINID_ENCODE(bank, pin) (((bank) << PIN_BITS) + (pin))
/*
* Each pin may be routed up to four different HW interfaces
* including GPIO
*/
enum pin_fun {
PIN_FUN1 = 0,
PIN_FUN2,
PIN_FUN3,
PIN_GPIO
};
/*
* Each pin may have different output drive strength in range from
* 4mA to 20mA. The most common case is 4, 8 and 12 mA strengths.
*/
enum pad_strength {
PAD_4MA = 0,
PAD_8MA,
PAD_12MA,
PAD_RESV
};
/*
* Each pin can be programmed for 1.8V or 3.3V
*/
enum pad_voltage {
PAD_1V8 = 0,
PAD_3V3
};
/*
* Structure to define a group of pins and their parameters
*/
struct pin_desc {
u32 id;
enum pin_fun fun;
enum pad_strength strength;
enum pad_voltage voltage;
u32 pullup:1;
};
struct pin_group {
struct pin_desc *pins;
int nr_pins;
};
extern void pin_gpio_direction(u32 id, u32 output);
extern u32 pin_gpio_get(u32 id);
extern void pin_gpio_set(u32 id, u32 val);
extern void pin_set_type(u32 id, enum pin_fun cfg);
extern void pin_set_strength(u32 id, enum pad_strength strength);
extern void pin_set_voltage(u32 id, enum pad_voltage volt);
extern void pin_set_pullup(u32 id, u32 pullup);
extern void pin_set_group(struct pin_group *pin_group);
/*
* Definitions of all i.MX28 pins
*/
/* Bank 0 */
#define PINID_GPMI_D00 PINID_ENCODE(0, 0)
#define PINID_GPMI_D01 PINID_ENCODE(0, 1)
#define PINID_GPMI_D02 PINID_ENCODE(0, 2)
#define PINID_GPMI_D03 PINID_ENCODE(0, 3)
#define PINID_GPMI_D04 PINID_ENCODE(0, 4)
#define PINID_GPMI_D05 PINID_ENCODE(0, 5)
#define PINID_GPMI_D06 PINID_ENCODE(0, 6)
#define PINID_GPMI_D07 PINID_ENCODE(0, 7)
#define PINID_GPMI_CE0N PINID_ENCODE(0, 16)
#define PINID_GPMI_CE1N PINID_ENCODE(0, 17)
#define PINID_GPMI_CE2N PINID_ENCODE(0, 18)
#define PINID_GPMI_CE3N PINID_ENCODE(0, 19)
#define PINID_GPMI_RDY0 PINID_ENCODE(0, 20)
#define PINID_GPMI_RDY1 PINID_ENCODE(0, 21)
#define PINID_GPMI_RDY2 PINID_ENCODE(0, 22)
#define PINID_GPMI_RDY3 PINID_ENCODE(0, 23)
#define PINID_GPMI_RDN PINID_ENCODE(0, 24)
#define PINID_GPMI_WRN PINID_ENCODE(0, 25)
#define PINID_GPMI_ALE PINID_ENCODE(0, 26)
#define PINID_GPMI_CLE PINID_ENCODE(0, 27)
#define PINID_GPMI_RESETN PINID_ENCODE(0, 28)
/* Bank 1 */
#define PINID_LCD_D00 PINID_ENCODE(1, 0)
#define PINID_LCD_D01 PINID_ENCODE(1, 1)
#define PINID_LCD_D02 PINID_ENCODE(1, 2)
#define PINID_LCD_D03 PINID_ENCODE(1, 3)
#define PINID_LCD_D04 PINID_ENCODE(1, 4)
#define PINID_LCD_D05 PINID_ENCODE(1, 5)
#define PINID_LCD_D06 PINID_ENCODE(1, 6)
#define PINID_LCD_D07 PINID_ENCODE(1, 7)
#define PINID_LCD_D08 PINID_ENCODE(1, 8)
#define PINID_LCD_D09 PINID_ENCODE(1, 9)
#define PINID_LCD_D10 PINID_ENCODE(1, 10)
#define PINID_LCD_D11 PINID_ENCODE(1, 11)
#define PINID_LCD_D12 PINID_ENCODE(1, 12)
#define PINID_LCD_D13 PINID_ENCODE(1, 13)
#define PINID_LCD_D14 PINID_ENCODE(1, 14)
#define PINID_LCD_D15 PINID_ENCODE(1, 15)
#define PINID_LCD_D16 PINID_ENCODE(1, 16)
#define PINID_LCD_D17 PINID_ENCODE(1, 17)
#define PINID_LCD_D18 PINID_ENCODE(1, 18)
#define PINID_LCD_D19 PINID_ENCODE(1, 19)
#define PINID_LCD_D20 PINID_ENCODE(1, 20)
#define PINID_LCD_D21 PINID_ENCODE(1, 21)
#define PINID_LCD_D22 PINID_ENCODE(1, 22)
#define PINID_LCD_D23 PINID_ENCODE(1, 23)
#define PINID_LCD_RD_E PINID_ENCODE(1, 24)
#define PINID_LCD_WR_RWN PINID_ENCODE(1, 25)
#define PINID_LCD_RS PINID_ENCODE(1, 26)
#define PINID_LCD_CS PINID_ENCODE(1, 27)
#define PINID_LCD_VSYNC PINID_ENCODE(1, 28)
#define PINID_LCD_HSYNC PINID_ENCODE(1, 29)
#define PINID_LCD_DOTCK PINID_ENCODE(1, 30)
#define PINID_LCD_ENABLE PINID_ENCODE(1, 31)
/* Bank 2 */
#define PINID_SSP0_DATA0 PINID_ENCODE(2, 0)
#define PINID_SSP0_DATA1 PINID_ENCODE(2, 1)
#define PINID_SSP0_DATA2 PINID_ENCODE(2, 2)
#define PINID_SSP0_DATA3 PINID_ENCODE(2, 3)
#define PINID_SSP0_DATA4 PINID_ENCODE(2, 4)
#define PINID_SSP0_DATA5 PINID_ENCODE(2, 5)
#define PINID_SSP0_DATA6 PINID_ENCODE(2, 6)
#define PINID_SSP0_DATA7 PINID_ENCODE(2, 7)
#define PINID_SSP0_CMD PINID_ENCODE(2, 8)
#define PINID_SSP0_DETECT PINID_ENCODE(2, 9)
#define PINID_SSP0_SCK PINID_ENCODE(2, 10)
#define PINID_SSP1_SCK PINID_ENCODE(2, 12)
#define PINID_SSP1_DATA3 PINID_ENCODE(2, 15)
#define PINID_SSP2_SCK PINID_ENCODE(2, 16)
#define PINID_SSP2_MOSI PINID_ENCODE(2, 17)
#define PINID_SSP2_MISO PINID_ENCODE(2, 18)
#define PINID_SSP2_SS0 PINID_ENCODE(2, 19)
#define PINID_SSP2_SS1 PINID_ENCODE(2, 20)
#define PINID_SSP2_SS2 PINID_ENCODE(2, 21)
#define PINID_SSP3_SCK PINID_ENCODE(2, 24)
#define PINID_SSP3_MOSI PINID_ENCODE(2, 25)
#define PINID_SSP3_MISO PINID_ENCODE(2, 26)
#define PINID_SSP3_SS0 PINID_ENCODE(2, 27)
/* Bank 3 */
#define PINID_AUART0_RX PINID_ENCODE(3, 0)
#define PINID_AUART0_TX PINID_ENCODE(3, 1)
#define PINID_AUART0_CTS PINID_ENCODE(3, 2)
#define PINID_AUART0_RTS PINID_ENCODE(3, 3)
#define PINID_AUART1_RX PINID_ENCODE(3, 4)
#define PINID_AUART1_TX PINID_ENCODE(3, 5)
#define PINID_AUART1_CTS PINID_ENCODE(3, 6)
#define PINID_AUART1_RTS PINID_ENCODE(3, 7)
#define PINID_AUART2_RX PINID_ENCODE(3, 8)
#define PINID_AUART2_TX PINID_ENCODE(3, 9)
#define PINID_AUART2_CTS PINID_ENCODE(3, 10)
#define PINID_AUART2_RTS PINID_ENCODE(3, 11)
#define PINID_AUART3_RX PINID_ENCODE(3, 12)
#define PINID_AUART3_TX PINID_ENCODE(3, 13)
#define PINID_AUART3_CTS PINID_ENCODE(3, 14)
#define PINID_AUART3_RTS PINID_ENCODE(3, 15)
#define PINID_PWM0 PINID_ENCODE(3, 16)
#define PINID_PWM1 PINID_ENCODE(3, 17)
#define PINID_PWM2 PINID_ENCODE(3, 18)
#define PINID_SAIF0_MCLK PINID_ENCODE(3, 20)
#define PINID_SAIF0_LRCLK PINID_ENCODE(3, 21)
#define PINID_SAIF0_BITCLK PINID_ENCODE(3, 22)
#define PINID_SAIF0_SDATA0 PINID_ENCODE(3, 23)
#define PINID_I2C0_SCL PINID_ENCODE(3, 24)
#define PINID_I2C0_SDA PINID_ENCODE(3, 25)
#define PINID_SAIF1_SDATA0 PINID_ENCODE(3, 26)
#define PINID_SPDIF PINID_ENCODE(3, 27)
#define PINID_PWM3 PINID_ENCODE(3, 28)
#define PINID_PWM4 PINID_ENCODE(3, 29)
#define PINID_LCD_RESET PINID_ENCODE(3, 30)
/* Bank 4 */
#define PINID_ENET0_MDC PINID_ENCODE(4, 0)
#define PINID_ENET0_MDIO PINID_ENCODE(4, 1)
#define PINID_ENET0_RX_EN PINID_ENCODE(4, 2)
#define PINID_ENET0_RXD0 PINID_ENCODE(4, 3)
#define PINID_ENET0_RXD1 PINID_ENCODE(4, 4)
#define PINID_ENET0_TX_CLK PINID_ENCODE(4, 5)
#define PINID_ENET0_TX_EN PINID_ENCODE(4, 6)
#define PINID_ENET0_TXD0 PINID_ENCODE(4, 7)
#define PINID_ENET0_TXD1 PINID_ENCODE(4, 8)
#define PINID_ENET0_RXD2 PINID_ENCODE(4, 9)
#define PINID_ENET0_RXD3 PINID_ENCODE(4, 10)
#define PINID_ENET0_TXD2 PINID_ENCODE(4, 11)
#define PINID_ENET0_TXD3 PINID_ENCODE(4, 12)
#define PINID_ENET0_RX_CLK PINID_ENCODE(4, 13)
#define PINID_ENET0_COL PINID_ENCODE(4, 14)
#define PINID_ENET0_CRS PINID_ENCODE(4, 15)
#define PINID_ENET_CLK PINID_ENCODE(4, 16)
#define PINID_JTAG_RTCK PINID_ENCODE(4, 20)
#endif
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