| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * Copyright (C) 2013 Gateworks Corporation |
| * |
| * Author: Tim Harvey <tharvey@gateworks.com> |
| */ |
| |
| #ifndef _GWVENTANA_COMMON_H_ |
| #define _GWVENTANA_COMMON_H_ |
| |
| #include "ventana_eeprom.h" |
| |
| /* GPIO's common to all baseboards */ |
| #define GP_RS232_EN IMX_GPIO_NR(2, 11) |
| #define GP_MSATA_SEL IMX_GPIO_NR(2, 8) |
| |
| #define UART_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ |
| PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ |
| PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS) |
| |
| #define USDHC_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ |
| PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_LOW | \ |
| PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS) |
| |
| #define ENET_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ |
| PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ |
| PAD_CTL_DSE_40ohm | PAD_CTL_HYS) |
| |
| #define SPI_PAD_CTRL (PAD_CTL_HYS | \ |
| PAD_CTL_PUS_100K_DOWN | PAD_CTL_SPEED_MED | \ |
| PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST) |
| |
| #define I2C_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ |
| PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \ |
| PAD_CTL_ODE | PAD_CTL_SRE_FAST) |
| |
| #define IRQ_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ |
| PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ |
| PAD_CTL_DSE_34ohm | PAD_CTL_HYS | PAD_CTL_SRE_FAST) |
| |
| #define DIO_PAD_CFG (MUX_PAD_CTRL(IRQ_PAD_CTRL) | MUX_MODE_SION) |
| |
| #define PC MUX_PAD_CTRL(I2C_PAD_CTRL) |
| |
| /* |
| * each baseboard has an optional set user configurable Digital IO lines which |
| * can be pinmuxed as a GPIO or in some cases a PWM |
| */ |
| struct dio_cfg { |
| iomux_v3_cfg_t gpio_padmux[2]; |
| unsigned gpio_param; |
| iomux_v3_cfg_t pwm_padmux[2]; |
| unsigned pwm_param; |
| }; |
| |
| struct ventana { |
| /* pinmux */ |
| iomux_v3_cfg_t const *gpio_pads; |
| int num_pads; |
| /* DIO pinmux/val */ |
| struct dio_cfg *dio_cfg; |
| int dio_num; |
| /* various gpios (0 if non-existent) */ |
| int mezz_pwren; |
| int mezz_irq; |
| int rs485en; |
| int gps_shdn; |
| int dioi2c_en; |
| int pcie_sson; |
| int usb_sel; |
| int wdis; |
| int msata_en; |
| int rs232_en; |
| int vsel_pin; |
| int mmc_cd; |
| /* various features */ |
| bool usd_vsel; |
| }; |
| |
| extern struct ventana gpio_cfg[GW_UNKNOWN]; |
| |
| /* configure gpio iomux/defaults */ |
| void setup_iomux_gpio(int board, struct ventana_board_info *); |
| |
| #endif /* #ifndef _GWVENTANA_COMMON_H_ */ |