/* * * (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