diff --git a/drivers/clk/rockchip/clk-px30.c b/drivers/clk/rockchip/clk-px30.c
index 52a75e12f433..46e2bcf044b5 100644
--- a/drivers/clk/rockchip/clk-px30.c
+++ b/drivers/clk/rockchip/clk-px30.c
@@ -220,11 +220,11 @@ static struct rockchip_clk_branch px30_pdm_fracmux __initdata =
 			PX30_CLKSEL_CON(26), 15, 1, MFLAGS);
 
 static struct rockchip_clk_branch px30_i2s0_tx_fracmux __initdata =
-	MUX(0, "clk_i2s0_tx_mux", mux_i2s0_tx_p, CLK_SET_RATE_PARENT,
+	MUX(SCLK_I2S0_TX_MUX, "clk_i2s0_tx_mux", mux_i2s0_tx_p, CLK_SET_RATE_PARENT,
 			PX30_CLKSEL_CON(28), 10, 2, MFLAGS);
 
 static struct rockchip_clk_branch px30_i2s0_rx_fracmux __initdata =
-	MUX(0, "clk_i2s0_rx_mux", mux_i2s0_rx_p, CLK_SET_RATE_PARENT,
+	MUX(SCLK_I2S0_RX_MUX, "clk_i2s0_rx_mux", mux_i2s0_rx_p, CLK_SET_RATE_PARENT,
 			PX30_CLKSEL_CON(58), 10, 2, MFLAGS);
 
 static struct rockchip_clk_branch px30_i2s1_fracmux __initdata =
diff --git a/include/dt-bindings/clock/px30-cru.h b/include/dt-bindings/clock/px30-cru.h
index cf0d34315902..644d1f5d26d0 100644
--- a/include/dt-bindings/clock/px30-cru.h
+++ b/include/dt-bindings/clock/px30-cru.h
@@ -100,6 +100,8 @@
 #define SCLK_UART1_SRC		85
 #define SCLK_SDMMC_DIV		86
 #define SCLK_SDMMC_DIV50	87
+#define SCLK_I2S0_TX_MUX	88
+#define SCLK_I2S0_RX_MUX	89
 
 /* dclk gates */
 #define DCLK_VOPB		150