2015-05-09 01:28:35 +00:00
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/*
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* Copyright (C) 2013 Gateworks Corporation
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*
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* Author: Tim Harvey <tharvey@gateworks.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef _GWVENTANA_COMMON_H_
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#define _GWVENTANA_COMMON_H_
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#include "ventana_eeprom.h"
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/* GPIO's common to all baseboards */
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#define GP_PHY_RST IMX_GPIO_NR(1, 30)
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#define GP_USB_OTG_PWR IMX_GPIO_NR(3, 22)
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#define GP_SD3_CD IMX_GPIO_NR(7, 0)
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#define GP_RS232_EN IMX_GPIO_NR(2, 11)
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#define GP_MSATA_SEL IMX_GPIO_NR(2, 8)
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#define UART_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
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PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
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PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
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#define USDHC_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
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PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_LOW | \
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PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
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#define ENET_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
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PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
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PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
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#define SPI_PAD_CTRL (PAD_CTL_HYS | \
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PAD_CTL_PUS_100K_DOWN | PAD_CTL_SPEED_MED | \
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PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
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#define I2C_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
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PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \
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PAD_CTL_ODE | PAD_CTL_SRE_FAST)
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#define IRQ_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
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PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
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PAD_CTL_DSE_34ohm | PAD_CTL_HYS | PAD_CTL_SRE_FAST)
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2015-05-26 18:04:54 +00:00
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#define DIO_PAD_CFG (MUX_PAD_CTRL(IRQ_PAD_CTRL) | MUX_MODE_SION)
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2015-05-09 01:28:35 +00:00
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#define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
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/*
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* each baseboard has 4 user configurable Digital IO lines which can
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* be pinmuxed as a GPIO or in some cases a PWM
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*/
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struct dio_cfg {
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iomux_v3_cfg_t gpio_padmux[2];
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unsigned gpio_param;
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iomux_v3_cfg_t pwm_padmux[2];
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unsigned pwm_param;
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};
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struct ventana {
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/* pinmux */
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iomux_v3_cfg_t const *gpio_pads;
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int num_pads;
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/* DIO pinmux/val */
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struct dio_cfg dio_cfg[4];
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int num_gpios;
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/* various gpios (0 if non-existent) */
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int leds[3];
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int pcie_rst;
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int mezz_pwren;
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int mezz_irq;
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int rs485en;
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int gps_shdn;
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int vidin_en;
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int dioi2c_en;
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int pcie_sson;
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int usb_sel;
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int wdis;
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};
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extern struct ventana gpio_cfg[GW_UNKNOWN];
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/* configure i2c iomux */
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void setup_ventana_i2c(void);
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/* configure uart iomux */
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void setup_iomux_uart(void);
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/* conifgure PMIC */
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2015-05-09 01:28:37 +00:00
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void setup_pmic(void);
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2015-05-09 01:28:35 +00:00
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/* configure gpio iomux/defaults */
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void setup_iomux_gpio(int board, struct ventana_board_info *);
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/* late setup of GPIO (configuration per baseboard and env) */
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void setup_board_gpio(int board, struct ventana_board_info *);
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#endif /* #ifndef _GWVENTANA_COMMON_H_ */
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