1 /* 2 * arch/arm/mach-pxa/include/mach/gumstix.h 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License version 2 as 6 * published by the Free Software Foundation. 7 */ 8 9 10 /* BTRESET - Reset line to Bluetooth module, active low signal. */ 11 #define GPIO_GUMSTIX_BTRESET 7 12 #define GPIO_GUMSTIX_BTRESET_MD (GPIO_GUMSTIX_BTRESET | GPIO_OUT) 13 14 15 /* 16 GPIOn - Input from MAX823 (or equiv), normalizing USB +5V into a clean 17 interrupt signal for determining cable presence. On the original gumstix, 18 this is GPIO81, and GPIO83 needs to be defined as well. On the gumstix F, 19 this moves to GPIO17 and GPIO37. */ 20 21 /* GPIOx - Connects to USB D+ and used as a pull-up after GPIOn 22 has detected a cable insertion; driven low otherwise. */ 23 24 #ifdef CONFIG_ARCH_GUMSTIX_ORIG 25 26 #define GPIO_GUMSTIX_USB_GPIOn 81 27 #define GPIO_GUMSTIX_USB_GPIOx 83 28 29 #else 30 31 #define GPIO_GUMSTIX_USB_GPIOn 35 32 #define GPIO_GUMSTIX_USB_GPIOx 41 33 34 #endif 35 36 /* usb state change */ 37 #define GUMSTIX_USB_INTR_IRQ IRQ_GPIO(GPIO_GUMSTIX_USB_GPIOn) 38 39 #define GPIO_GUMSTIX_USB_GPIOn_MD (GPIO_GUMSTIX_USB_GPIOn | GPIO_IN) 40 #define GPIO_GUMSTIX_USB_GPIOx_CON_MD (GPIO_GUMSTIX_USB_GPIOx | GPIO_OUT) 41 #define GPIO_GUMSTIX_USB_GPIOx_DIS_MD (GPIO_GUMSTIX_USB_GPIOx | GPIO_IN) 42 43 /* 44 * SD/MMC definitions 45 */ 46 #define GUMSTIX_GPIO_nSD_WP 22 /* SD Write Protect */ 47 #define GUMSTIX_GPIO_nSD_DETECT 11 /* MMC/SD Card Detect */ 48 #define GUMSTIX_IRQ_GPIO_nSD_DETECT IRQ_GPIO(GUMSTIX_GPIO_nSD_DETECT) 49 50 /* 51 * SMC Ethernet definitions 52 * ETH_RST provides a hardware reset line to the ethernet chip 53 * ETH is the IRQ line in from the ethernet chip to the PXA 54 */ 55 #define GPIO_GUMSTIX_ETH0_RST 80 56 #define GPIO_GUMSTIX_ETH0_RST_MD (GPIO_GUMSTIX_ETH0_RST | GPIO_OUT) 57 #define GPIO_GUMSTIX_ETH1_RST 52 58 #define GPIO_GUMSTIX_ETH1_RST_MD (GPIO_GUMSTIX_ETH1_RST | GPIO_OUT) 59 60 #define GPIO_GUMSTIX_ETH0 36 61 #define GPIO_GUMSTIX_ETH0_MD (GPIO_GUMSTIX_ETH0 | GPIO_IN) 62 #define GUMSTIX_ETH0_IRQ IRQ_GPIO(GPIO_GUMSTIX_ETH0) 63 #define GPIO_GUMSTIX_ETH1 27 64 #define GPIO_GUMSTIX_ETH1_MD (GPIO_GUMSTIX_ETH1 | GPIO_IN) 65 #define GUMSTIX_ETH1_IRQ IRQ_GPIO(GPIO_GUMSTIX_ETH1) 66 67 68 /* CF reset line */ 69 #define GPIO8_RESET 8 70 71 /* CF slot 0 */ 72 #define GPIO4_nBVD1 4 73 #define GPIO4_nSTSCHG GPIO4_nBVD1 74 #define GPIO11_nCD 11 75 #define GPIO26_PRDY_nBSY 26 76 #define GUMSTIX_S0_nSTSCHG_IRQ IRQ_GPIO(GPIO4_nSTSCHG) 77 #define GUMSTIX_S0_nCD_IRQ IRQ_GPIO(GPIO11_nCD) 78 #define GUMSTIX_S0_PRDY_nBSY_IRQ IRQ_GPIO(GPIO26_PRDY_nBSY) 79 80 /* CF slot 1 */ 81 #define GPIO18_nBVD1 18 82 #define GPIO18_nSTSCHG GPIO18_nBVD1 83 #define GPIO36_nCD 36 84 #define GPIO27_PRDY_nBSY 27 85 #define GUMSTIX_S1_nSTSCHG_IRQ IRQ_GPIO(GPIO18_nSTSCHG) 86 #define GUMSTIX_S1_nCD_IRQ IRQ_GPIO(GPIO36_nCD) 87 #define GUMSTIX_S1_PRDY_nBSY_IRQ IRQ_GPIO(GPIO27_PRDY_nBSY) 88 89 /* CF GPIO line modes */ 90 #define GPIO4_nSTSCHG_MD (GPIO4_nSTSCHG | GPIO_IN) 91 #define GPIO8_RESET_MD (GPIO8_RESET | GPIO_OUT) 92 #define GPIO11_nCD_MD (GPIO11_nCD | GPIO_IN) 93 #define GPIO18_nSTSCHG_MD (GPIO18_nSTSCHG | GPIO_IN) 94 #define GPIO26_PRDY_nBSY_MD (GPIO26_PRDY_nBSY | GPIO_IN) 95 #define GPIO27_PRDY_nBSY_MD (GPIO27_PRDY_nBSY | GPIO_IN) 96 #define GPIO36_nCD_MD (GPIO36_nCD | GPIO_IN) 97 98 /* for expansion boards that can't be programatically detected */ 99 extern int am200_init(void); 100 101