clk: qcom: gdsc: Add GDSCs in msm8974 GCC

There's just one GDSC as part of the msm8974 GCC block.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>

drivers/clk/qcom/Kconfig

@@ -88,6 +88,7 @@ config MSM_MMCC_8960
 
 config MSM_GCC_8974
 	tristate "MSM8974 Global Clock Controller"
+	select QCOM_GDSC
 	depends on COMMON_CLK_QCOM
 	help
 	  Support for the global clock controller on msm8974 devices.

drivers/clk/qcom/gcc-msm8974.c

@@ -31,6 +31,7 @@
 #include "clk-rcg.h"
 #include "clk-branch.h"
 #include "reset.h"
+#include "gdsc.h"
 
 enum {
 	P_XO,
@@ -2432,6 +2433,14 @@ static struct clk_branch gcc_usb_hsic_system_clk = {
 	},
 };
 
+static struct gdsc usb_hs_hsic_gdsc = {
+	.gdscr = 0x404,
+	.pd = {
+		.name = "usb_hs_hsic",
+	},
+	.pwrsts = PWRSTS_OFF_ON,
+};
+
 static struct clk_regmap *gcc_msm8974_clocks[] = {
 	[GPLL0] = &gpll0.clkr,
 	[GPLL0_VOTE] = &gpll0_vote,
@@ -2661,6 +2670,10 @@ static const struct qcom_reset_map gcc_msm8974_resets[] = {
 	[GCC_VENUS_RESTART] = { 0x1740 },
 };
 
+static struct gdsc *gcc_msm8974_gdscs[] = {
+	[USB_HS_HSIC_GDSC] = &usb_hs_hsic_gdsc,
+};
+
 static const struct regmap_config gcc_msm8974_regmap_config = {
 	.reg_bits	= 32,
 	.reg_stride	= 4,
@@ -2675,6 +2688,8 @@ static const struct qcom_cc_desc gcc_msm8974_desc = {
 	.num_clks = ARRAY_SIZE(gcc_msm8974_clocks),
 	.resets = gcc_msm8974_resets,
 	.num_resets = ARRAY_SIZE(gcc_msm8974_resets),
+	.gdscs = gcc_msm8974_gdscs,
+	.num_gdscs = ARRAY_SIZE(gcc_msm8974_gdscs),
 };
 
 static const struct of_device_id gcc_msm8974_match_table[] = {

include/dt-bindings/clock/qcom,gcc-msm8974.h

@@ -321,4 +321,7 @@
 #define GCC_SDCC1_CDCCAL_SLEEP_CLK				304
 #define GCC_SDCC1_CDCCAL_FF_CLK					305
 
+/* gdscs */
+#define USB_HS_HSIC_GDSC					0
+
 #endif