pinctrl: qcom: Add SM8450 pinctrl driver

This adds pincontrol driver for tlmm block found in SM8450 SoC

This patch is based on initial code downstream by
Elliot Berman <eberman@codeaurora.org>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Tested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211201072434.3968768-3-vkoul@kernel.orgSigned-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/qcom/Kconfig

@@ -337,6 +337,15 @@ config PINCTRL_SM8350
 	  Qualcomm Technologies Inc TLMM block found on the Qualcomm
 	  Technologies Inc SM8350 platform.
 
+config PINCTRL_SM8450
+	tristate "Qualcomm Technologies Inc SM8450 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 SM8450 platform.
+
 config PINCTRL_LPASS_LPI
 	tristate "Qualcomm Technologies Inc LPASS LPI pin controller driver"
 	select PINMUX

drivers/pinctrl/qcom/Makefile

@@ -39,4 +39,5 @@ obj-$(CONFIG_PINCTRL_SDX65) += pinctrl-sdx65.o
 obj-$(CONFIG_PINCTRL_SM8150) += pinctrl-sm8150.o
 obj-$(CONFIG_PINCTRL_SM8250) += pinctrl-sm8250.o
 obj-$(CONFIG_PINCTRL_SM8350) += pinctrl-sm8350.o
+obj-$(CONFIG_PINCTRL_SM8450) += pinctrl-sm8450.o
 obj-$(CONFIG_PINCTRL_LPASS_LPI) += pinctrl-lpass-lpi.o