#include <common.h>
#include <command.h>
+#include <linux/ctype.h>
#include <asm/blackfin.h>
#include <asm/gpio.h>
/* grab the [p]<port> portion */
ulong port_base;
- if (*str_pin == 'p') ++str_pin;
- switch (*str_pin) {
+ if (tolower(*str_pin) == 'p') ++str_pin;
+ switch (tolower(*str_pin)) {
#ifdef GPIO_PA0
case 'a': port_base = GPIO_PA0; break;
#endif
gpio_request(gpio, "cmd_gpio");
/* finally, let's do it: set direction and exec command */
+ ulong value;
if (sub_cmd == GPIO_INPUT) {
gpio_direction_input(gpio);
- printf("gpio: pin %lu on port %c set to input\n", pin, *str_pin);
- return 0;
- }
-
- ulong value;
- switch (sub_cmd) {
- case GPIO_SET: value = 1; break;
- case GPIO_CLEAR: value = 0; break;
- case GPIO_TOGGLE: value = !gpio_get_value(gpio); break;
- default: goto show_usage;
+ value = gpio_get_value(gpio);
+ } else {
+ switch (sub_cmd) {
+ case GPIO_SET: value = 1; break;
+ case GPIO_CLEAR: value = 0; break;
+ case GPIO_TOGGLE: value = !gpio_get_value(gpio); break;
+ default: goto show_usage;
+ }
+ gpio_direction_output(gpio, value);
}
- gpio_direction_output(gpio, value);
printf("gpio: pin %lu on port %c (gpio %lu) value is %lu\n",
pin, *str_pin, gpio, value);
gpio_free(gpio);
- return 0;
+ return value;
}
U_BOOT_CMD(gpio, 3, 0, do_gpio,
- "set/clear/toggle gpio output pins",
- "<set|clear|toggle> <port><pin>\n"
- " - set/clear/toggle the specified pin (e.g. PF10)");
+ "input/set/clear/toggle gpio output pins",
+ "<input|set|clear|toggle> <port><pin>\n"
+ " - input/set/clear/toggle the specified pin (e.g. PF10)");