arm64: dts: actions: s700: Set UART clock references from CMU
Remove fixed clock in Cubieboard 7 and use Clock Management Unit clocks
for all UART nodes in Actions Semi S700 SoC.
Signed-off-by: Parthiban Nallathambi <pn@denx.de>
Signed-off-by: Saravanan Sekar <sravanhome@gmail.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
[AF: Moved/added to SoC]
Signed-off-by: Andreas Färber <afaerber@suse.de>
diff --git a/arch/arm64/boot/dts/actions/s700-cubieboard7.dts b/arch/arm64/boot/dts/actions/s700-cubieboard7.dts
index ef79d79..28f3f4a 100644
--- a/arch/arm64/boot/dts/actions/s700-cubieboard7.dts
+++ b/arch/arm64/boot/dts/actions/s700-cubieboard7.dts
@@ -28,12 +28,6 @@
device_type = "memory";
reg = <0x1 0xe0000000 0x0 0x0>;
};
-
- uart3_clk: uart3-clk {
- compatible = "fixed-clock";
- clock-frequency = <921600>;
- #clock-cells = <0>;
- };
};
&timer {
@@ -42,5 +36,4 @@
&uart3 {
status = "okay";
- clocks = <&uart3_clk>;
};
diff --git a/arch/arm64/boot/dts/actions/s700.dtsi b/arch/arm64/boot/dts/actions/s700.dtsi
index 0b04c55..192c7b3 100644
--- a/arch/arm64/boot/dts/actions/s700.dtsi
+++ b/arch/arm64/boot/dts/actions/s700.dtsi
@@ -114,6 +114,7 @@
uart0: serial@e0120000 {
compatible = "actions,s900-uart", "actions,owl-uart";
reg = <0x0 0xe0120000 0x0 0x2000>;
+ clocks = <&cmu CLK_UART0>;
interrupts = <GIC_SPI 29 IRQ_TYPE_LEVEL_HIGH>;
status = "disabled";
};
@@ -121,6 +122,7 @@
uart1: serial@e0122000 {
compatible = "actions,s900-uart", "actions,owl-uart";
reg = <0x0 0xe0122000 0x0 0x2000>;
+ clocks = <&cmu CLK_UART1>;
interrupts = <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>;
status = "disabled";
};
@@ -128,6 +130,7 @@
uart2: serial@e0124000 {
compatible = "actions,s900-uart", "actions,owl-uart";
reg = <0x0 0xe0124000 0x0 0x2000>;
+ clocks = <&cmu CLK_UART2>;
interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>;
status = "disabled";
};
@@ -135,6 +138,7 @@
uart3: serial@e0126000 {
compatible = "actions,s900-uart", "actions,owl-uart";
reg = <0x0 0xe0126000 0x0 0x2000>;
+ clocks = <&cmu CLK_UART3>;
interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
status = "disabled";
};
@@ -142,6 +146,7 @@
uart4: serial@e0128000 {
compatible = "actions,s900-uart", "actions,owl-uart";
reg = <0x0 0xe0128000 0x0 0x2000>;
+ clocks = <&cmu CLK_UART4>;
interrupts = <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>;
status = "disabled";
};
@@ -149,6 +154,7 @@
uart5: serial@e012a000 {
compatible = "actions,s900-uart", "actions,owl-uart";
reg = <0x0 0xe012a000 0x0 0x2000>;
+ clocks = <&cmu CLK_UART5>;
interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>;
status = "disabled";
};
@@ -156,6 +162,7 @@
uart6: serial@e012c000 {
compatible = "actions,s900-uart", "actions,owl-uart";
reg = <0x0 0xe012c000 0x0 0x2000>;
+ clocks = <&cmu CLK_UART6>;
interrupts = <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>;
status = "disabled";
};
