clk: qcom: Add display clock controller driver for SM6115

Add support for the display clock controller found in SM6115/SM4250
based devices. This clock controller feeds the Multimedia Display
SubSystem (MDSS).
This driver is based upon one submitted for QCM2290.
Signed-off-by: Adam Skladowski <a39.skl@gmail.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20220911164635.182973-3-a39.skl@gmail.com

drivers/clk/qcom/Kconfig

@@ -624,6 +624,15 @@ config SM_CAMCC_8450
 	  Support for the camera clock controller on SM8450 devices.
 	  Say Y if you want to support camera devices and camera functionality.
 
+config SM_DISPCC_6115
+	tristate "SM6115 Display Clock Controller"
+	depends on SM_GCC_6115
+	help
+	  Support for the display clock controller on Qualcomm Technologies, Inc
+	  SM6115/SM4250 devices.
+	  Say Y if you want to support display devices and functionality such as
+	  splash screen
+
 config SM_DISPCC_6125
 	tristate "SM6125 Display Clock Controller"
 	depends on SM_GCC_6125

drivers/clk/qcom/Makefile

@@ -91,6 +91,7 @@ obj-$(CONFIG_SDX_GCC_55) += gcc-sdx55.o
 obj-$(CONFIG_SDX_GCC_65) += gcc-sdx65.o
 obj-$(CONFIG_SM_CAMCC_8250) += camcc-sm8250.o
 obj-$(CONFIG_SM_CAMCC_8450) += camcc-sm8450.o
+obj-$(CONFIG_SM_DISPCC_6115) += dispcc-sm6115.o
 obj-$(CONFIG_SM_DISPCC_6125) += dispcc-sm6125.o
 obj-$(CONFIG_SM_DISPCC_6350) += dispcc-sm6350.o
 obj-$(CONFIG_SM_DISPCC_8250) += dispcc-sm8250.o