clk: imx6q: add DCICx clocks gate

On i.MX6QP/i.MX6Q/i.MX6DL, there are DCIC1/DCIC2 clocks
gate in CCM_CCGR0 register, add them into clock tree for
clock management.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

drivers/clk/imx/clk-imx6q.c

@@ -737,6 +737,8 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
 	clk[IMX6QDL_CLK_CAN1_SERIAL]  = imx_clk_gate2("can1_serial",   "can_root",          base + 0x68, 16);
 	clk[IMX6QDL_CLK_CAN2_IPG]     = imx_clk_gate2("can2_ipg",      "ipg",               base + 0x68, 18);
 	clk[IMX6QDL_CLK_CAN2_SERIAL]  = imx_clk_gate2("can2_serial",   "can_root",          base + 0x68, 20);
+	clk[IMX6QDL_CLK_DCIC1]        = imx_clk_gate2("dcic1",         "ipu1_podf",         base + 0x68, 24);
+	clk[IMX6QDL_CLK_DCIC2]        = imx_clk_gate2("dcic2",         "ipu2_podf",         base + 0x68, 26);
 	clk[IMX6QDL_CLK_ECSPI1]       = imx_clk_gate2("ecspi1",        "ecspi_root",        base + 0x6c, 0);
 	clk[IMX6QDL_CLK_ECSPI2]       = imx_clk_gate2("ecspi2",        "ecspi_root",        base + 0x6c, 2);
 	clk[IMX6QDL_CLK_ECSPI3]       = imx_clk_gate2("ecspi3",        "ecspi_root",        base + 0x6c, 4);

include/dt-bindings/clock/imx6qdl-clock.h

@@ -274,6 +274,8 @@
 #define IMX6QDL_CLK_EPIT1			261
 #define IMX6QDL_CLK_EPIT2			262
 #define IMX6QDL_CLK_MMDC_P0_IPG			263
-#define IMX6QDL_CLK_END				264
+#define IMX6QDL_CLK_DCIC1			264
+#define IMX6QDL_CLK_DCIC2			265
+#define IMX6QDL_CLK_END				266
 
 #endif /* __DT_BINDINGS_CLOCK_IMX6QDL_H */