pinctrl: msm: Update Kconfig for PINCTRL_MSM8X74

Add GPIOLIB and OF as dependencies for PINCTRL_MSM8X74, to fix
build errors from i386-randconfig.
Also add help text and make the entries tristate, while touching
these entries.

Cc: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
[Rebased on top of pin control development branch]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 6 insertions, 3 deletions

diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig
index ad58e7efe1d5..5c35d0db59e2 100644
--- a/drivers/pinctrl/Kconfig
+++ b/drivers/pinctrl/Kconfig
@@ -204,15 +204,18 @@ config PINCTRL_IMX28
         select PINCTRL_MXS
 
 config PINCTRL_MSM
-        bool
+        tristate
         select PINMUX
         select PINCONF
         select GENERIC_PINCONF
 
 config PINCTRL_MSM8X74
-        bool "Qualcomm 8x74 pin controller driver"
-        depends on OF && OF_IRQ
+        tristate "Qualcomm 8x74 pin controller driver"
+        depends on GPIOLIB && OF && OF_IRQ
         select PINCTRL_MSM
+        help
+          This is the pinctrl, pinmux, pinconf and gpiolib driver for the
+          Qualcomm TLMM block found in the Qualcomm 8974 platform.
 
 config PINCTRL_NOMADIK
         bool "Nomadik pin controller driver"