diff options
Diffstat (limited to 'drivers/gpio/Kconfig')
-rw-r--r-- | drivers/gpio/Kconfig | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index b46442d7d66e..d8d0cda2641d 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig | |||
@@ -100,18 +100,21 @@ config GPIO_VR41XX | |||
100 | Say yes here to support the NEC VR4100 series General-purpose I/O Uint | 100 | Say yes here to support the NEC VR4100 series General-purpose I/O Uint |
101 | 101 | ||
102 | config GPIO_SCH | 102 | config GPIO_SCH |
103 | tristate "Intel SCH GPIO" | 103 | tristate "Intel SCH/TunnelCreek GPIO" |
104 | depends on GPIOLIB && PCI && X86 | 104 | depends on GPIOLIB && PCI && X86 |
105 | select MFD_CORE | 105 | select MFD_CORE |
106 | select LPC_SCH | 106 | select LPC_SCH |
107 | help | 107 | help |
108 | Say yes here to support GPIO interface on Intel Poulsbo SCH. | 108 | Say yes here to support GPIO interface on Intel Poulsbo SCH |
109 | or Intel Tunnel Creek processor. | ||
109 | The Intel SCH contains a total of 14 GPIO pins. Ten GPIOs are | 110 | The Intel SCH contains a total of 14 GPIO pins. Ten GPIOs are |
110 | powered by the core power rail and are turned off during sleep | 111 | powered by the core power rail and are turned off during sleep |
111 | modes (S3 and higher). The remaining four GPIOs are powered by | 112 | modes (S3 and higher). The remaining four GPIOs are powered by |
112 | the Intel SCH suspend power supply. These GPIOs remain | 113 | the Intel SCH suspend power supply. These GPIOs remain |
113 | active during S3. The suspend powered GPIOs can be used to wake the | 114 | active during S3. The suspend powered GPIOs can be used to wake the |
114 | system from the Suspend-to-RAM state. | 115 | system from the Suspend-to-RAM state. |
116 | The Intel Tunnel Creek processor has 5 GPIOs powered by the | ||
117 | core power rail and 9 from suspend power supply. | ||
115 | 118 | ||
116 | This driver can also be built as a module. If so, the module | 119 | This driver can also be built as a module. If so, the module |
117 | will be called sch-gpio. | 120 | will be called sch-gpio. |