clk: qcom: gcc: Add global clock controller driver for QCS404

Add the clocks supported in global clock controller which clock the
peripherals like BLSPs, SDCC, USB, MDSS etc. Register all the clocks
to the clock framework for the clients to be able to request for them.

Signed-off-by: Shefali Jain <[email protected]>
Signed-off-by: Taniya Das <[email protected]>
Co-developed-by: Taniya Das <[email protected]>
Signed-off-by: Anu Ramanathan <[email protected]>
[bamse, vkoul: rebase and tidyup for upstream]
Signed-off-by: Bjorn Andersson <[email protected]>
Signed-off-by: Vinod Koul <[email protected]>
Acked-by: Rob Herring <[email protected]>
[[email protected]: Lowercase hex]
Signed-off-by: Stephen Boyd <[email protected]>

Author: Shefali Jain

Documentation/devicetree/bindings/clock/qcom,gcc.txt

@@ -19,6 +19,7 @@ Required properties :
 			"qcom,gcc-msm8996"
 			"qcom,gcc-msm8998"
 			"qcom,gcc-mdm9615"
+			"qcom,gcc-qcs404"
 			"qcom,gcc-sdm845"
 
 - reg : shall contain base register location and length

drivers/clk/qcom/Kconfig

@@ -235,6 +235,14 @@ config MSM_GCC_8998
 	  Say Y if you want to use peripheral devices such as UART, SPI,
 	  i2c, USB, UFS, SD/eMMC, PCIe, etc.
 
+config QCS_GCC_404
+	tristate "QCS404 Global Clock Controller"
+	depends on COMMON_CLK_QCOM
+	help
+	  Support for the global clock controller on QCS404 devices.
+	  Say Y if you want to use multimedia devices or peripheral
+	  devices such as UART, SPI, I2C, USB, SD/eMMC, PCIe etc.
+
 config SDM_GCC_845
 	tristate "SDM845 Global Clock Controller"
 	select QCOM_GDSC

drivers/clk/qcom/Makefile

@@ -40,6 +40,7 @@ obj-$(CONFIG_QCOM_CLK_RPM) += clk-rpm.o
 obj-$(CONFIG_QCOM_CLK_RPMH) += clk-rpmh.o
 obj-$(CONFIG_QCOM_CLK_SMD_RPM) += clk-smd-rpm.o
 obj-$(CONFIG_SDM_DISPCC_845) += dispcc-sdm845.o
+obj-$(CONFIG_QCS_GCC_404) += gcc-qcs404.o
 obj-$(CONFIG_SDM_GCC_845) += gcc-sdm845.o
 obj-$(CONFIG_SDM_VIDEOCC_845) += videocc-sdm845.o
 obj-$(CONFIG_SPMI_PMIC_CLKDIV) += clk-spmi-pmic-div.o