| Patrick Delaunay | d77c811 | 2021-06-02 13:56:45 +0200 | [diff] [blame] | 1 | .. SPDX-License-Identifier: GPL-2.0+: |
| 2 | |
| 3 | pinmux command |
| 4 | ============== |
| 5 | |
| 6 | Synopsis |
| 7 | -------- |
| 8 | |
| 9 | :: |
| 10 | |
| 11 | pinmux list |
| 12 | pinmux dev [pincontroller-name] |
| 13 | pinmux status [-a | pin-name] |
| 14 | |
| 15 | Description |
| 16 | ----------- |
| 17 | |
| 18 | The pinmux command is used to show the pin-controller muxing. |
| 19 | |
| 20 | The 'pinmux list' command diplays the available pin-controller. |
| 21 | |
| 22 | The 'pinmux dev' command selects the pin-controller for next commands. |
| 23 | |
| 24 | pincontroller-name |
| 25 | name of the pin-controller to select |
| 26 | |
| 27 | The 'pinmux status' command displays the pin muxing information. |
| 28 | |
| 29 | \-a |
| 30 | display pin muxing of all pin-controllers. |
| 31 | pin-name |
| 32 | name of the pin to display |
| 33 | |
| 34 | Example |
| 35 | ------- |
| 36 | |
| 37 | :: |
| 38 | |
| 39 | => pinmux list |
| 40 | | Device | Driver | Parent |
| 41 | | pinctrl-gpio | sandbox_pinctrl_gpio | root_driver |
| 42 | | pinctrl | sandbox_pinctrl | root_driver |
| 43 | => |
| 44 | => pinmux dev pinctrl |
| 45 | dev: pinctrl |
| 46 | => |
| 47 | => pinmux status |
| 48 | P0 : UART TX. |
| 49 | P1 : UART RX. |
| 50 | P2 : I2S SCK. |
| 51 | P3 : I2S SD. |
| 52 | P4 : I2S WS. |
| 53 | P5 : GPIO0 bias-pull-up input-disable. |
| 54 | P6 : GPIO1 drive-open-drain. |
| 55 | P7 : GPIO2 bias-pull-down input-enable. |
| 56 | P8 : GPIO3 bias-disable. |
| 57 | => |
| 58 | => pinmux status P0 |
| 59 | P0 : UART TX. |
| 60 | => |
| 61 | => pinmux status -a |
| 62 | -------------------------- |
| 63 | pinctrl-gpio: |
| 64 | a0 : gpio input . |
| 65 | a1 : gpio input . |
| 66 | a2 : gpio input . |
| 67 | a3 : gpio input . |
| 68 | a4 : gpio input . |
| 69 | a5 : gpio output . |
| 70 | a6 : gpio output . |
| 71 | a7 : gpio input . |
| 72 | a8 : gpio input . |
| 73 | a9 : gpio input . |
| 74 | -------------------------- |
| 75 | pinctrl: |
| 76 | P0 : UART TX. |
| 77 | P1 : UART RX. |
| 78 | P2 : I2S SCK. |
| 79 | P3 : I2S SD. |
| 80 | P4 : I2S WS. |
| 81 | P5 : GPIO0 bias-pull-up input-disable. |
| 82 | P6 : GPIO1 drive-open-drain. |
| 83 | P7 : GPIO2 bias-pull-down input-enable. |
| 84 | P8 : GPIO3 bias-disable. |
| 85 | |
| 86 | Configuration |
| 87 | ------------- |
| 88 | |
| 89 | The pinmux command is only available if CONFIG_CMD_PINMUX=y. |
| 90 | |
| 91 | Return value |
| 92 | ------------ |
| 93 | |
| 94 | The return value $? is set to 0 (true) if the command succeded and to 1 (false) |
| 95 | otherwise. |