1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Copyright (C) 2013 Gateworks Corporation
5 * Author: Tim Harvey <tharvey@gateworks.com>
8 #ifndef _GWVENTANA_COMMON_H_
9 #define _GWVENTANA_COMMON_H_
11 #include "ventana_eeprom.h"
13 /* GPIO's common to all baseboards */
14 #define GP_PHY_RST IMX_GPIO_NR(1, 30)
15 #define GP_RS232_EN IMX_GPIO_NR(2, 11)
16 #define GP_MSATA_SEL IMX_GPIO_NR(2, 8)
18 #define UART_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
19 PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
20 PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
22 #define USDHC_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
23 PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_LOW | \
24 PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
26 #define ENET_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
27 PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
28 PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
30 #define SPI_PAD_CTRL (PAD_CTL_HYS | \
31 PAD_CTL_PUS_100K_DOWN | PAD_CTL_SPEED_MED | \
32 PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
34 #define I2C_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
35 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \
36 PAD_CTL_ODE | PAD_CTL_SRE_FAST)
38 #define IRQ_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
39 PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
40 PAD_CTL_DSE_34ohm | PAD_CTL_HYS | PAD_CTL_SRE_FAST)
42 #define DIO_PAD_CFG (MUX_PAD_CTRL(IRQ_PAD_CTRL) | MUX_MODE_SION)
44 #define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
47 * each baseboard has an optional set user configurable Digital IO lines which
48 * can be pinmuxed as a GPIO or in some cases a PWM
51 iomux_v3_cfg_t gpio_padmux[2];
53 iomux_v3_cfg_t pwm_padmux[2];
59 iomux_v3_cfg_t const *gpio_pads;
62 struct dio_cfg *dio_cfg;
64 /* various gpios (0 if non-existent) */
81 /* various features */
85 extern struct ventana gpio_cfg[GW_UNKNOWN];
87 /* configure i2c iomux */
88 void setup_ventana_i2c(void);
89 /* configure uart iomux */
90 void setup_iomux_uart(void);
92 void setup_pmic(void);
93 /* configure gpio iomux/defaults */
94 void setup_iomux_gpio(int board, struct ventana_board_info *);
95 /* late setup of GPIO (configuration per baseboard and env) */
96 void setup_board_gpio(int board, struct ventana_board_info *);
98 #endif /* #ifndef _GWVENTANA_COMMON_H_ */