pinctrl: qcom: Add msm8226 pinctrl driver.

Add initial Qualcomm msm8226 pinctrl driver to support pin configuration
with pinctrl framework for msm8226 SoC.

- Initial formatting and style was taken from the msm8x74 pinctrl driver
  added by Björn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Bartosz Dudziak <bartosz.dudziak@snejp.pl>
Link: https://lore.kernel.org/r/20200716205530.22910-3-bartosz.dudziak@snejp.plSigned-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/qcom/Kconfig

@@ -62,6 +62,15 @@ config PINCTRL_IPQ6018
 	  Qualcomm Technologies Inc. IPQ6018 platform. Select this for
 	  IPQ6018.
 
+config PINCTRL_MSM8226
+	tristate "Qualcomm 8226 pin controller driver"
+	depends on GPIOLIB && OF
+	select PINCTRL_MSM
+	help
+	  This is the pinctrl, pinmux, pinconf and gpiolib driver for the
+	  Qualcomm Technologies Inc TLMM block found on the Qualcomm
+	  Technologies Inc MSM8226 platform.
+
 config PINCTRL_MSM8660
 	tristate "Qualcomm 8660 pin controller driver"
 	depends on GPIOLIB && OF

drivers/pinctrl/qcom/Makefile

@@ -7,6 +7,7 @@ obj-$(CONFIG_PINCTRL_IPQ4019)	+= pinctrl-ipq4019.o
 obj-$(CONFIG_PINCTRL_IPQ8064)	+= pinctrl-ipq8064.o
 obj-$(CONFIG_PINCTRL_IPQ8074)	+= pinctrl-ipq8074.o
 obj-$(CONFIG_PINCTRL_IPQ6018)	+= pinctrl-ipq6018.o
+obj-$(CONFIG_PINCTRL_MSM8226)	+= pinctrl-msm8226.o
 obj-$(CONFIG_PINCTRL_MSM8660)	+= pinctrl-msm8660.o
 obj-$(CONFIG_PINCTRL_MSM8960)	+= pinctrl-msm8960.o
 obj-$(CONFIG_PINCTRL_MSM8X74)	+= pinctrl-msm8x74.o