[PATCH 03/10] arch: arm: dts: fsl-ls1088a.dtsi: sync serial nodes with Linux

[Ioana Ciornei]

Sync the serial nodes of the LS1088A based boards with their
representation in Linux. We also imported the clockgen and sysclk nodes
which are dependencies.

Signed-off-by: Ioana Ciornei <ioana.ciornei at nxp.com>
---
 arch/arm/dts/fsl-ls1088a-qds.dtsi  |  8 +++++++
 arch/arm/dts/fsl-ls1088a-rdb.dts   |  8 +++++++
 arch/arm/dts/fsl-ls1088a-ten64.dts |  6 +++--
 arch/arm/dts/fsl-ls1088a.dtsi      | 35 ++++++++++++++++++++++--------
 4 files changed, 46 insertions(+), 11 deletions(-)

diff --git a/arch/arm/dts/fsl-ls1088a-qds.dtsi b/arch/arm/dts/fsl-ls1088a-qds.dtsi
index 85dc7457bfb3..4d21d4fbd5e0 100644
--- a/arch/arm/dts/fsl-ls1088a-qds.dtsi
+++ b/arch/arm/dts/fsl-ls1088a-qds.dtsi
@@ -132,6 +132,14 @@
 	};
 };
 
+&duart0 {
+	status = "okay";
+};
+
+&duart1 {
+	status = "okay";
+};
+
 &dspi {
 	bus-num = <0>;
 	status = "okay";
diff --git a/arch/arm/dts/fsl-ls1088a-rdb.dts b/arch/arm/dts/fsl-ls1088a-rdb.dts
index 01f8fcb61aef..c63d4158e49f 100644
--- a/arch/arm/dts/fsl-ls1088a-rdb.dts
+++ b/arch/arm/dts/fsl-ls1088a-rdb.dts
@@ -142,6 +142,14 @@
 	};
 };
 
+&duart0 {
+	status = "okay";
+};
+
+&duart1 {
+	status = "okay";
+};
+
 &qspi {
 	status = "okay";
 
diff --git a/arch/arm/dts/fsl-ls1088a-ten64.dts b/arch/arm/dts/fsl-ls1088a-ten64.dts
index 43b669c642ce..55a7d41fb01b 100644
--- a/arch/arm/dts/fsl-ls1088a-ten64.dts
+++ b/arch/arm/dts/fsl-ls1088a-ten64.dts
@@ -20,6 +20,8 @@
 	compatible = "traverse,ten64", "fsl,ls1088a";
 
 	aliases {
+		serial0 = &duart0;
+		serial1 = &duart1;
 		spi0 = &qspi;
 	};
 
@@ -164,11 +166,11 @@
 	status = "okay";
 };
 
-&serial0 {
+&duart0 {
 	status = "okay";
 };
 
-&serial1 {
+&duart1 {
 	status = "okay";
 };
 
diff --git a/arch/arm/dts/fsl-ls1088a.dtsi b/arch/arm/dts/fsl-ls1088a.dtsi
index 0eb0f6c41aef..b094bcf67c4f 100644
--- a/arch/arm/dts/fsl-ls1088a.dtsi
+++ b/arch/arm/dts/fsl-ls1088a.dtsi
@@ -2,9 +2,10 @@
 /*
  * NXP ls1088a SOC common device tree source
  *
- * Copyright 2017, 2020-2021 NXP
+ * Copyright 2017, 2020-2021, 2023 NXP
  */
 
+#include <dt-bindings/clock/fsl,qoriq-clockgen.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 / {
 	compatible = "fsl,ls1088a";
@@ -35,6 +36,13 @@
 			     <1 10 0x8>; /* Hypervisor PPI, active-low */
 	};
 
+	sysclk: sysclk {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <100000000>;
+		clock-output-names = "sysclk";
+	};
+
 	soc {
 		compatible = "simple-bus";
 		#address-cells = <2>;
@@ -42,20 +50,29 @@
 		ranges;
 		dma-ranges = <0x0 0x0 0x0 0x0 0x10000 0x00000000>;
 
-		serial0: serial at 21c0500 {
-			device_type = "serial";
+		clockgen: clocking at 1300000 {
+			compatible = "fsl,ls1088a-clockgen";
+			reg = <0 0x1300000 0 0xa0000>;
+			#clock-cells = <2>;
+			clocks = <&sysclk>;
+		};
+
+		duart0: serial at 21c0500 {
 			compatible = "fsl,ns16550", "ns16550a";
 			reg = <0x0 0x21c0500 0x0 0x100>;
-			clock-frequency = <0>; /* Updated by bootloader */
-			interrupts = <0 32 0x1>; /* edge triggered */
+			clocks = <&clockgen QORIQ_CLK_PLATFORM_PLL
+					    QORIQ_CLK_PLL_DIV(4)>;
+			interrupts = <0 32 IRQ_TYPE_LEVEL_HIGH>;
+			status = "disabled";
 		};
 
-		serial1: serial at 21c0600 {
-			device_type = "serial";
+		duart1: serial at 21c0600 {
 			compatible = "fsl,ns16550", "ns16550a";
 			reg = <0x0 0x21c0600 0x0 0x100>;
-			clock-frequency = <0>; /* Updated by bootloader */
-			interrupts = <0 32 0x1>; /* edge triggered */
+			clocks = <&clockgen QORIQ_CLK_PLATFORM_PLL
+					    QORIQ_CLK_PLL_DIV(4)>;
+			interrupts = <0 32 IRQ_TYPE_LEVEL_HIGH>;
+			status = "disabled";
 		};
 	};
 
-- 
2.25.1