projects / mirror_ubuntu-artful-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 7f528135 ML |
1 | # |
| 2 | # Multiplexer I2C chip drivers configuration | |
| 3 | # | |
| 4 | ||
| 5 | menu "Multiplexer I2C Chip support" | |
| 6 | depends on I2C_MUX | |
| 7 | ||
| b81dfaa0 DA |
8 | config I2C_ARB_GPIO_CHALLENGE |
| 9 | tristate "GPIO-based I2C arbitration" | |
| 7e5cd69a GU |
10 | depends on GPIOLIB || COMPILE_TEST |
| 11 | depends on OF | |
| b81dfaa0 DA |
12 | help |
| 13 | If you say yes to this option, support will be included for an | |
| 14 | I2C multimaster arbitration scheme using GPIOs and a challenge & | |
| 15 | response mechanism where masters have to claim the bus by asserting | |
| 16 | a GPIO. | |
| 17 | ||
| 18 | This driver can also be built as a module. If so, the module | |
| 19 | will be called i2c-arb-gpio-challenge. | |
| 20 | ||
| 92ed1a76 PK |
21 | config I2C_MUX_GPIO |
| 22 | tristate "GPIO-based I2C multiplexer" | |
| 76ec9d18 | 23 | depends on GPIOLIB |
| 92ed1a76 PK |
24 | help |
| 25 | If you say yes to this option, support will be included for a | |
| 26 | GPIO based I2C multiplexer. This driver provides access to | |
| 27 | I2C busses connected through a MUX, which is controlled | |
| 28 | through GPIO pins. | |
| 29 | ||
| 30 | This driver can also be built as a module. If so, the module | |
| e7065e20 | 31 | will be called i2c-mux-gpio. |
| 92ed1a76 | 32 | |
| ae63b13b GR |
33 | config I2C_MUX_PCA9541 |
| 34 | tristate "NXP PCA9541 I2C Master Selector" | |
| ae63b13b GR |
35 | help |
| 36 | If you say yes here you get support for the NXP PCA9541 | |
| 37 | I2C Master Selector. | |
| 38 | ||
| 39 | This driver can also be built as a module. If so, the module | |
| b4f0b74e | 40 | will be called i2c-mux-pca9541. |
| ae63b13b | 41 | |
| 7f528135 ML |
42 | config I2C_MUX_PCA954x |
| 43 | tristate "Philips PCA954x I2C Mux/switches" | |
| 7e5cd69a | 44 | depends on GPIOLIB || COMPILE_TEST |
| 7f528135 ML |
45 | help |
| 46 | If you say yes here you get support for the Philips PCA954x | |
| 47 | I2C mux/switch devices. | |
| 48 | ||
| 49 | This driver can also be built as a module. If so, the module | |
| b4f0b74e | 50 | will be called i2c-mux-pca954x. |
| 7f528135 | 51 | |
| ae58d1e4 SW |
52 | config I2C_MUX_PINCTRL |
| 53 | tristate "pinctrl-based I2C multiplexer" | |
| 54 | depends on PINCTRL | |
| 55 | help | |
| 56 | If you say yes to this option, support will be included for an I2C | |
| 57 | multiplexer that uses the pinctrl subsystem, i.e. pin multiplexing. | |
| 58 | This is useful for SoCs whose I2C module's signals can be routed to | |
| 59 | different sets of pins at run-time. | |
| 60 | ||
| 61 | This driver can also be built as a module. If so, the module will be | |
| 62 | called pinctrl-i2cmux. | |
| 63 | ||
| b3fdd327 YS |
64 | config I2C_MUX_REG |
| 65 | tristate "Register-based I2C multiplexer" | |
| 66 | help | |
| 67 | If you say yes to this option, support will be included for a | |
| 68 | register based I2C multiplexer. This driver provides access to | |
| 69 | I2C busses connected through a MUX, which is controlled | |
| 70 | by a single register. | |
| 71 | ||
| 72 | This driver can also be built as a module. If so, the module | |
| 73 | will be called i2c-mux-reg. | |
| 74 | ||
| 50a5ba87 WS |
75 | config I2C_DEMUX_PINCTRL |
| 76 | tristate "pinctrl-based I2C demultiplexer" | |
| 77 | depends on PINCTRL && OF | |
| 78 | select OF_DYNAMIC | |
| 79 | help | |
| 80 | If you say yes to this option, support will be included for an I2C | |
| 81 | demultiplexer that uses the pinctrl subsystem. This is useful if you | |
| 82 | want to change the I2C master at run-time depending on features. | |
| 83 | ||
| 7f528135 | 84 | endmenu |