diff --git a/arch/arm/boot/dts/r8a7793.dtsi b/arch/arm/boot/dts/r8a7793.dtsi
index b49f9271ceb308c1..07af584915c6da45 100644
--- a/arch/arm/boot/dts/r8a7793.dtsi
+++ b/arch/arm/boot/dts/r8a7793.dtsi
@@ -484,7 +484,7 @@
 		reg = <0 0xe6c40000 0 64>;
 		interrupts = <GIC_SPI 144 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&mstp2_clks R8A7793_CLK_SCIFA0>;
-		clock-names = "sci_ick";
+		clock-names = "fck";
 		dmas = <&dmac0 0x21>, <&dmac0 0x22>;
 		dma-names = "tx", "rx";
 		power-domains = <&cpg_clocks>;
@@ -497,7 +497,7 @@
 		reg = <0 0xe6c50000 0 64>;
 		interrupts = <GIC_SPI 145 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&mstp2_clks R8A7793_CLK_SCIFA1>;
-		clock-names = "sci_ick";
+		clock-names = "fck";
 		dmas = <&dmac0 0x25>, <&dmac0 0x26>;
 		dma-names = "tx", "rx";
 		power-domains = <&cpg_clocks>;
@@ -510,7 +510,7 @@
 		reg = <0 0xe6c60000 0 64>;
 		interrupts = <GIC_SPI 151 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&mstp2_clks R8A7793_CLK_SCIFA2>;
-		clock-names = "sci_ick";
+		clock-names = "fck";
 		dmas = <&dmac0 0x27>, <&dmac0 0x28>;
 		dma-names = "tx", "rx";
 		power-domains = <&cpg_clocks>;
@@ -523,7 +523,7 @@
 		reg = <0 0xe6c70000 0 64>;
 		interrupts = <GIC_SPI 29 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&mstp11_clks R8A7793_CLK_SCIFA3>;
-		clock-names = "sci_ick";
+		clock-names = "fck";
 		dmas = <&dmac0 0x1b>, <&dmac0 0x1c>;
 		dma-names = "tx", "rx";
 		power-domains = <&cpg_clocks>;
@@ -536,7 +536,7 @@
 		reg = <0 0xe6c78000 0 64>;
 		interrupts = <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&mstp11_clks R8A7793_CLK_SCIFA4>;
-		clock-names = "sci_ick";
+		clock-names = "fck";
 		dmas = <&dmac0 0x1f>, <&dmac0 0x20>;
 		dma-names = "tx", "rx";
 		power-domains = <&cpg_clocks>;
@@ -549,7 +549,7 @@
 		reg = <0 0xe6c80000 0 64>;
 		interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&mstp11_clks R8A7793_CLK_SCIFA5>;
-		clock-names = "sci_ick";
+		clock-names = "fck";
 		dmas = <&dmac0 0x23>, <&dmac0 0x24>;
 		dma-names = "tx", "rx";
 		power-domains = <&cpg_clocks>;
@@ -562,7 +562,7 @@
 		reg = <0 0xe6c20000 0 64>;
 		interrupts = <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&mstp2_clks R8A7793_CLK_SCIFB0>;
-		clock-names = "sci_ick";
+		clock-names = "fck";
 		dmas = <&dmac0 0x3d>, <&dmac0 0x3e>;
 		dma-names = "tx", "rx";
 		power-domains = <&cpg_clocks>;
@@ -575,7 +575,7 @@
 		reg = <0 0xe6c30000 0 64>;
 		interrupts = <GIC_SPI 149 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&mstp2_clks R8A7793_CLK_SCIFB1>;
-		clock-names = "sci_ick";
+		clock-names = "fck";
 		dmas = <&dmac0 0x19>, <&dmac0 0x1a>;
 		dma-names = "tx", "rx";
 		power-domains = <&cpg_clocks>;
@@ -588,7 +588,7 @@
 		reg = <0 0xe6ce0000 0 64>;
 		interrupts = <GIC_SPI 150 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&mstp2_clks R8A7793_CLK_SCIFB2>;
-		clock-names = "sci_ick";
+		clock-names = "fck";
 		dmas = <&dmac0 0x1d>, <&dmac0 0x1e>;
 		dma-names = "tx", "rx";
 		power-domains = <&cpg_clocks>;
@@ -601,7 +601,7 @@
 		reg = <0 0xe6e60000 0 64>;
 		interrupts = <GIC_SPI 152 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&mstp7_clks R8A7793_CLK_SCIF0>;
-		clock-names = "sci_ick";
+		clock-names = "fck";
 		dmas = <&dmac0 0x29>, <&dmac0 0x2a>;
 		dma-names = "tx", "rx";
 		power-domains = <&cpg_clocks>;
@@ -614,7 +614,7 @@
 		reg = <0 0xe6e68000 0 64>;
 		interrupts = <GIC_SPI 153 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&mstp7_clks R8A7793_CLK_SCIF1>;
-		clock-names = "sci_ick";
+		clock-names = "fck";
 		dmas = <&dmac0 0x2d>, <&dmac0 0x2e>;
 		dma-names = "tx", "rx";
 		power-domains = <&cpg_clocks>;
@@ -627,7 +627,7 @@
 		reg = <0 0xe6e58000 0 64>;
 		interrupts = <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&mstp7_clks R8A7793_CLK_SCIF2>;
-		clock-names = "sci_ick";
+		clock-names = "fck";
 		dmas = <&dmac0 0x2b>, <&dmac0 0x2c>;
 		dma-names = "tx", "rx";
 		power-domains = <&cpg_clocks>;
@@ -640,7 +640,7 @@
 		reg = <0 0xe6ea8000 0 64>;
 		interrupts = <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&mstp7_clks R8A7793_CLK_SCIF3>;
-		clock-names = "sci_ick";
+		clock-names = "fck";
 		dmas = <&dmac0 0x2f>, <&dmac0 0x30>;
 		dma-names = "tx", "rx";
 		power-domains = <&cpg_clocks>;
@@ -653,7 +653,7 @@
 		reg = <0 0xe6ee0000 0 64>;
 		interrupts = <GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&mstp7_clks R8A7793_CLK_SCIF4>;
-		clock-names = "sci_ick";
+		clock-names = "fck";
 		dmas = <&dmac0 0xfb>, <&dmac0 0xfc>;
 		dma-names = "tx", "rx";
 		power-domains = <&cpg_clocks>;
@@ -666,7 +666,7 @@
 		reg = <0 0xe6ee8000 0 64>;
 		interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&mstp7_clks R8A7793_CLK_SCIF5>;
-		clock-names = "sci_ick";
+		clock-names = "fck";
 		dmas = <&dmac0 0xfd>, <&dmac0 0xfe>;
 		dma-names = "tx", "rx";
 		power-domains = <&cpg_clocks>;
@@ -679,7 +679,7 @@
 		reg = <0 0xe62c0000 0 96>;
 		interrupts = <GIC_SPI 154 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&mstp7_clks R8A7793_CLK_HSCIF0>;
-		clock-names = "sci_ick";
+		clock-names = "fck";
 		dmas = <&dmac0 0x39>, <&dmac0 0x3a>;
 		dma-names = "tx", "rx";
 		power-domains = <&cpg_clocks>;
@@ -692,7 +692,7 @@
 		reg = <0 0xe62c8000 0 96>;
 		interrupts = <GIC_SPI 155 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&mstp7_clks R8A7793_CLK_HSCIF1>;
-		clock-names = "sci_ick";
+		clock-names = "fck";
 		dmas = <&dmac0 0x4d>, <&dmac0 0x4e>;
 		dma-names = "tx", "rx";
 		power-domains = <&cpg_clocks>;
@@ -705,7 +705,7 @@
 		reg = <0 0xe62d0000 0 96>;
 		interrupts = <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&mstp7_clks R8A7793_CLK_HSCIF2>;
-		clock-names = "sci_ick";
+		clock-names = "fck";
 		dmas = <&dmac0 0x3b>, <&dmac0 0x3c>;
 		dma-names = "tx", "rx";
 		power-domains = <&cpg_clocks>;
