clk: samsung: exynos4: Add SSS gate clock

Add a gate clock for controlling all clocks of Security Sub System
(SSS).
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>

drivers/clk/samsung/clk-exynos4.c

@@ -1024,6 +1024,7 @@ static struct samsung_gate_clock exynos4_gate_clks[] __initdata = {
 			0, 0),
 	GATE(CLK_AC97, "ac97", "aclk100", GATE_IP_PERIL, 27,
 			0, 0),
+	GATE(CLK_SSS, "sss", "aclk133", GATE_IP_DMC, 4, 0, 0),
 	GATE(CLK_PPMUDMC0, "ppmudmc0", "aclk133", GATE_IP_DMC, 8, 0, 0),
 	GATE(CLK_PPMUDMC1, "ppmudmc1", "aclk133", GATE_IP_DMC, 9, 0, 0),
 	GATE(CLK_PPMUCPU, "ppmucpu", "aclk133", GATE_IP_DMC, 10, 0, 0),

include/dt-bindings/clock/exynos4.h

@@ -93,6 +93,7 @@
 #define CLK_SCLK_FIMG2D		177
 
 /* gate clocks */
+#define CLK_SSS			255
 #define CLK_FIMC0		256
 #define CLK_FIMC1		257
 #define CLK_FIMC2		258