| 34 | #define GPIO_GRP_MASK (5) |
| 35 | |
| 36 | static int gpio_to_base(unsigned int gpio) |
| 37 | { |
| 38 | unsigned int grp_idx; |
| 39 | int ret; |
| 40 | |
| 41 | grp_idx = gpio >> GPIO_GRP_MASK; |
| 42 | |
| 43 | switch (grp_idx) { |
| 44 | case 0: |
| 45 | dm365_gpio_base = (unsigned int)GPIO0_BASE; |
| 46 | ret = 0; |
| 47 | break; |
| 48 | case 1: |
| 49 | dm365_gpio_base = (unsigned int)GPIO1_BASE; |
| 50 | ret = 0; |
| 51 | break; |
| 52 | case 2: |
| 53 | dm365_gpio_base = (unsigned int)GPIO2_BASE; |
| 54 | ret = 0; |
| 55 | break; |
| 56 | case 3: |
| 57 | dm365_gpio_base = (unsigned int)GPIO3_BASE; |
| 58 | ret = 0; |
| 59 | break; |
| 60 | default: |
| 61 | ret =-RT_EIO; |
| 62 | break; |
| 63 | } |
| 64 | return ret; |
| 65 | } |
| 66 | |
| 67 | |
| 68 | int gpio_direction_input(unsigned int gpio) |
no outgoing calls
no test coverage detected