18 #include <linux/dma-mapping.h>
20 #include <linux/gpio.h>
31 #include <asm/mach-types.h>
43 static int initialize_gpio(int gpio, char *desc)  in initialize_gpio()  argument
47 	ret = gpio_request(gpio, desc);  in initialize_gpio()
49 		pr_err_ratelimited("cannot open %s gpio\n", desc);  in initialize_gpio()
50 		return -ENOSYS;  in initialize_gpio()
52 	gpio_direction_input(gpio);  in initialize_gpio()
53 	return gpio;  in initialize_gpio()
58 	static int gpio;  in mmc_get_cd()  local
60 	if (!gpio)  in mmc_get_cd()
61 		gpio = initialize_gpio(EVM_MMC_CD_GPIO, "mmc card detect");  in mmc_get_cd()
63 	if (gpio < 0)  in mmc_get_cd()
64 		return gpio;  in mmc_get_cd()
66 	return gpio_get_value(gpio) ? 0 : 1;  in mmc_get_cd()
71 	static int gpio;  in mmc_get_ro()  local
73 	if (!gpio)  in mmc_get_ro()
74 		gpio = initialize_gpio(EVM_MMC_WP_GPIO, "mmc write protect");  in mmc_get_ro()
76 	if (gpio < 0)  in mmc_get_ro()
77 		return gpio;  in mmc_get_ro()
79 	return gpio_get_value(gpio) ? 1 : 0;  in mmc_get_ro()
96 	-1
101 	-1
107 	TNETV107X_SSP1_3, -1
111 	/* bootloader (U-Boot, etc) in first 12 sectors */
116 		.mask_flags	= MTD_WRITEABLE,	/* force read-only */
123 		.mask_flags	= MTD_WRITEABLE,	/* force read-only */
207 static void spi_select_device(int cs)  in spi_select_device()  argument
209 	static int gpio;  in spi_select_device()  local
211 	if (!gpio) {  in spi_select_device()
215 			pr_err("cannot open spi chipsel gpio\n");  in spi_select_device()
216 			gpio = -ENOSYS;  in spi_select_device()
219 			gpio = EVM_SPI_CS_GPIO;  in spi_select_device()
220 			gpio_direction_output(gpio, 0);  in spi_select_device()
224 	if (gpio < 0)  in spi_select_device()
227 	return gpio_set_value(gpio, cs ? 1 : 0);  in spi_select_device()
242 			.dev_name = "ti-ssp-spi",