1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * Copyright (C) 2013 Gateworks Corporation 4 * 5 * Author: Tim Harvey <tharvey@gateworks.com> 6 */ 7 8 #ifndef _GWVENTANA_COMMON_H_ 9 #define _GWVENTANA_COMMON_H_ 10 11 #include "ventana_eeprom.h" 12 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) 17 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) 21 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) 25 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) 29 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) 33 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) 37 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) 41 42 #define DIO_PAD_CFG (MUX_PAD_CTRL(IRQ_PAD_CTRL) | MUX_MODE_SION) 43 44 #define PC MUX_PAD_CTRL(I2C_PAD_CTRL) 45 46 /* 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 49 */ 50 struct dio_cfg { 51 iomux_v3_cfg_t gpio_padmux[2]; 52 unsigned gpio_param; 53 iomux_v3_cfg_t pwm_padmux[2]; 54 unsigned pwm_param; 55 }; 56 57 struct ventana { 58 /* pinmux */ 59 iomux_v3_cfg_t const *gpio_pads; 60 int num_pads; 61 /* DIO pinmux/val */ 62 struct dio_cfg *dio_cfg; 63 int dio_num; 64 /* various gpios (0 if non-existent) */ 65 int leds[3]; 66 int pcie_rst; 67 int mezz_pwren; 68 int mezz_irq; 69 int rs485en; 70 int gps_shdn; 71 int vidin_en; 72 int dioi2c_en; 73 int pcie_sson; 74 int usb_sel; 75 int wdis; 76 int msata_en; 77 int rs232_en; 78 int otgpwr_en; 79 int vsel_pin; 80 int mmc_cd; 81 /* various features */ 82 bool usd_vsel; 83 }; 84 85 extern struct ventana gpio_cfg[GW_UNKNOWN]; 86 87 /* configure i2c iomux */ 88 void setup_ventana_i2c(void); 89 /* configure uart iomux */ 90 void setup_iomux_uart(void); 91 /* conifgure PMIC */ 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 *); 97 98 #endif /* #ifndef _GWVENTANA_COMMON_H_ */ 99