clk: qcom: Add GCC driver for SM8550

Add Global Clock controller (GCC) driver for SM8550 SoC,
which includes the gcc resets and gdsc.

This patch is based on an initial downstream driver.
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221130112852.2977816-6-abel.vesa@linaro.org

drivers/clk/qcom/Kconfig

@@ -757,6 +757,14 @@ config SM_GCC_8450
 	  Say Y if you want to use peripheral devices such as UART,
 	  SPI, I2C, USB, SD/UFS, PCIe etc.
 
+config SM_GCC_8550
+	tristate "SM8550 Global Clock Controller"
+	select QCOM_GDSC
+	help
+	  Support for the global clock controller on SM8550 devices.
+	  Say Y if you want to use peripheral devices such as UART,
+	  SPI, I2C, USB, SD/UFS, PCIe etc.
+
 config SM_GPUCC_6350
 	tristate "SM6350 Graphics Clock Controller"
 	select SM_GCC_6350

drivers/clk/qcom/Makefile

@@ -107,6 +107,7 @@ obj-$(CONFIG_SM_GCC_8150) += gcc-sm8150.o
 obj-$(CONFIG_SM_GCC_8250) += gcc-sm8250.o
 obj-$(CONFIG_SM_GCC_8350) += gcc-sm8350.o
 obj-$(CONFIG_SM_GCC_8450) += gcc-sm8450.o
+obj-$(CONFIG_SM_GCC_8550) += gcc-sm8550.o
 obj-$(CONFIG_SM_GPUCC_6350) += gpucc-sm6350.o
 obj-$(CONFIG_SM_GPUCC_8150) += gpucc-sm8150.o
 obj-$(CONFIG_SM_GPUCC_8250) += gpucc-sm8250.o