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-rw-r--r--drivers/i2c/chips/Kconfig16
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/i2c/chips/Kconfig b/drivers/i2c/chips/Kconfig
index 2e1c24f671cf..17702b32eab0 100644
--- a/drivers/i2c/chips/Kconfig
+++ b/drivers/i2c/chips/Kconfig
@@ -57,7 +57,7 @@ config SENSORS_PCF8574
57 default n 57 default n
58 help 58 help
59 If you say yes here you get support for Philips PCF8574 and 59 If you say yes here you get support for Philips PCF8574 and
60 PCF8574A chips. 60 PCF8574A chips. These chips are 8-bit I/O expanders for the I2C bus.
61 61
62 This driver can also be built as a module. If so, the module 62 This driver can also be built as a module. If so, the module
63 will be called pcf8574. 63 will be called pcf8574.
@@ -65,6 +65,20 @@ config SENSORS_PCF8574
65 These devices are hard to detect and rarely found on mainstream 65 These devices are hard to detect and rarely found on mainstream
66 hardware. If unsure, say N. 66 hardware. If unsure, say N.
67 67
68config PCF8575
69 tristate "Philips PCF8575"
70 default n
71 help
72 If you say yes here you get support for Philips PCF8575 chip.
73 This chip is a 16-bit I/O expander for the I2C bus. Several other
74 chip manufacturers sell equivalent chips, e.g. Texas Instruments.
75
76 This driver can also be built as a module. If so, the module
77 will be called pcf8575.
78
79 This device is hard to detect and is rarely found on mainstream
80 hardware. If unsure, say N.
81
68config SENSORS_PCA9539 82config SENSORS_PCA9539
69 tristate "Philips PCA9539 16-bit I/O port" 83 tristate "Philips PCA9539 16-bit I/O port"
70 depends on EXPERIMENTAL 84 depends on EXPERIMENTAL