dts: x86: qemu_x86: Add device support for uart ns16550

Signed-off-by: Savinay Dharmappa <savinay.dharmappa@intel.com>

arch/x86/soc/ia32/Kconfig.defconfig

@@ -35,12 +35,8 @@ config UART_NS16550_PORT_0
 
 if UART_NS16550_PORT_0
 
-config UART_NS16550_PORT_0_NAME
-	default "UART_0"
 config UART_NS16550_PORT_0_IRQ_PRI
 	default 3
-config UART_NS16550_PORT_0_BAUD_RATE
-	default 115200
 config UART_NS16550_PORT_0_OPTIONS
 	default 0
 
@@ -51,12 +47,8 @@ config UART_NS16550_PORT_1
 
 if UART_NS16550_PORT_1
 
-config UART_NS16550_PORT_1_NAME
-	default "UART_1"
 config UART_NS16550_PORT_1_IRQ_PRI
 	default 3
-config UART_NS16550_PORT_1_BAUD_RATE
-	default 115200
 config UART_NS16550_PORT_1_OPTIONS
 	default 0
 
@@ -64,21 +56,4 @@ endif # UART_NS16550_PORT_1
 
 endif # UART_NS16550
 
-if BT_UART
-
-config BT_UART_ON_DEV_NAME
-	default "UART_1"
-
-endif
-
-if UART_PIPE
-
-config UART_PIPE_ON_DEV_NAME
-	default "UART_1"
-
-endif
-
-config BT_MONITOR_ON_DEV_NAME
-	default "UART_1" if BT_DEBUG_MONITOR
-
 endif

drivers/serial/Kconfig.ns16550

@@ -63,7 +63,7 @@ menuconfig UART_NS16550_PORT_0
 	help
 	  This tells the driver to configure the UART port at boot, depending on
 	  the additional configure options below.
-
+if !HAS_DTS
 config UART_NS16550_PORT_0_NAME
 	string "Port 0 Device Name"
 	default "UART_0"
@@ -71,6 +71,7 @@ config UART_NS16550_PORT_0_NAME
 	help
 	  This is the device name for UART, and is included in the device
 	  struct.
+endif
 
 config UART_NS16550_PORT_0_IRQ_PRI
 	int "Port 0 Interrupt Priority"
@@ -79,6 +80,7 @@ config UART_NS16550_PORT_0_IRQ_PRI
 	help
 	  The interrupt priority for UART port.
 
+if !HAS_DTS
 config UART_NS16550_PORT_0_BAUD_RATE
 	int "Port 0 Baud Rate"
 	default 0
@@ -87,6 +89,7 @@ config UART_NS16550_PORT_0_BAUD_RATE
 	  The baud rate for UART port to be set to at boot.
 
 	  Leave at 0 to skip initialization.
+endif
 
 config UART_NS16550_PORT_0_OPTIONS
 	int "Port 0 Options"
@@ -119,6 +122,7 @@ menuconfig UART_NS16550_PORT_1
 	  This tells the driver to configure the UART port at boot, depending on
 	  the additional configure options below.
 
+if !HAS_DTS
 config UART_NS16550_PORT_1_NAME
 	string "Port 1 Device Name"
 	default "UART_1"
@@ -126,6 +130,7 @@ config UART_NS16550_PORT_1_NAME
 	help
 	  This is the device name for UART, and is included in the device
 	  struct.
+endif
 
 config UART_NS16550_PORT_1_IRQ_PRI
 	int "Port 1 Interrupt Priority"
@@ -134,6 +139,7 @@ config UART_NS16550_PORT_1_IRQ_PRI
 	help
 	  The interrupt priority for UART port.
 
+if !HAS_DTS
 config UART_NS16550_PORT_1_BAUD_RATE
 	int "Port 1 Baud Rate"
 	default 0
@@ -142,6 +148,7 @@ config UART_NS16550_PORT_1_BAUD_RATE
 	  The baud rate for UART port to be set to at boot.
 
 	  Leave at 0 to skip initialization.
+endif
 
 config UART_NS16550_PORT_1_OPTIONS
 	int "Port 1 Options"

dts/common/yaml/ns16550.yaml

@@ -0,0 +1,30 @@
+---
+title: ns16550
+id: ns16550-uart
+version: 0.1
+
+description: >
+    This binding gives a base representation of the ns16550 UART
+
+inherits:
+  - !include uart.yaml
+
+properties:
+  - compatible:
+      type: string
+      category: required
+      description: compatible strings
+      constraint: "ns16550-uart"
+
+  - reg:
+      type: array
+      description: mmio register space
+      generation: define
+      category: required
+
+  - interrupts:
+      type: array
+      category: required
+      description: required interrupts
+      generation: define
+...