diff --git a/drivers/clk/rockchip/clk-rk3288.c b/drivers/clk/rockchip/clk-rk3288.c
index acc1af8eb48a..e8f6005e5a39 100644
--- a/drivers/clk/rockchip/clk-rk3288.c
+++ b/drivers/clk/rockchip/clk-rk3288.c
@@ -342,7 +342,7 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = {
 
 	FACTOR(0, "xin12m", "xin24m", 0, 1, 2),
 
-	COMPOSITE(0, "i2s_src", mux_pll_src_cpll_gpll_p, 0,
+	COMPOSITE(SCLK_I2S_SRC, "i2s_src", mux_pll_src_cpll_gpll_p, 0,
 			RK3288_CLKSEL_CON(4), 15, 1, MFLAGS, 0, 7, DFLAGS,
 			RK3288_CLKGATE_CON(4), 1, GFLAGS),
 	COMPOSITE_FRACMUX(0, "i2s_frac", "i2s_src", CLK_SET_RATE_PARENT,
diff --git a/include/dt-bindings/clock/rk3288-cru.h b/include/dt-bindings/clock/rk3288-cru.h
index b60ced10d3f2..43f41ad9b6bf 100644
--- a/include/dt-bindings/clock/rk3288-cru.h
+++ b/include/dt-bindings/clock/rk3288-cru.h
@@ -90,6 +90,7 @@
 #define SCLK_MIPIDSI_24M	126
 #define SCLK_VIP_OUT		127
 #define SCLK_DDRCLK		128
+#define SCLK_I2S_SRC		129
 
 #define SCLK_MAC_PLL		150
 #define SCLK_MAC		151