clk: qcom: Add Global Clock controller (GCC) driver for SM6115

Add support for the global clock controller found on SM6115
based devices. This should allow most non-multimedia device
drivers to probe and control their clocks.

Based on CAF implementation. GDSCs ported from downstream DT.
Signed-off-by: Iskren Chernev <iskren.chernev@gmail.com>
Link: https://lore.kernel.org/r/20210805161107.1194521-3-iskren.chernev@gmail.comSigned-off-by: Stephen Boyd <sboyd@kernel.org>

drivers/clk/qcom/Kconfig

@@ -548,6 +548,13 @@ config SM_DISPCC_8250
 	  Say Y if you want to support display devices and functionality such as
 	  splash screen.
 
+config SM_GCC_6115
+	tristate "SM6115 and SM4250 Global Clock Controller"
+	help
+	  Support for the global clock controller on SM6115 and SM4250 devices.
+	  Say Y if you want to use peripheral devices such as UART, SPI,
+	  i2C, USB, UFS, SDDC, PCIe, etc.
+
 config SM_GCC_6125
 	tristate "SM6125 Global Clock Controller"
 	help

drivers/clk/qcom/Makefile

@@ -81,6 +81,7 @@ obj-$(CONFIG_SDM_VIDEOCC_845) += videocc-sdm845.o
 obj-$(CONFIG_SDX_GCC_55) += gcc-sdx55.o
 obj-$(CONFIG_SM_CAMCC_8250) += camcc-sm8250.o
 obj-$(CONFIG_SM_DISPCC_8250) += dispcc-sm8250.o
+obj-$(CONFIG_SM_GCC_6115) += gcc-sm6115.o
 obj-$(CONFIG_SM_GCC_6125) += gcc-sm6125.o
 obj-$(CONFIG_SM_GCC_8150) += gcc-sm8150.o
 obj-$(CONFIG_SM_GCC_8250) += gcc-sm8250.o