dts: Generate Kinetis adc settings from device tree

Adds common and Kinetis-specific adc device tree properties, and updates
all Kinetis SoC and board dts files to include adc nodes.

Jira: ZEP-1396

Signed-off-by: Maureen Helm <maureen.helm@nxp.com>

drivers/adc/Kconfig

@@ -52,12 +52,12 @@ config ADC_0
 
 config ADC_0_NAME
 	string "ADC 0 Driver's name"
-	depends on ADC_0
+	depends on ADC_0 && !HAS_DTS_ADC
 	default "ADC_0"
 
 config ADC_0_IRQ_PRI
 	int
-	depends on ADC_0
+	depends on ADC_0 && !HAS_DTS_ADC
 	prompt "ADC 0 interrupt priority"
 	default 2
 
@@ -67,12 +67,12 @@ config ADC_1
 
 config ADC_1_NAME
 	string "ADC 1 Driver's name"
-	depends on ADC_1
+	depends on ADC_1 && !HAS_DTS_ADC
 	default "ADC_1"
 
 config ADC_1_IRQ_PRI
 	int
-	depends on ADC_1
+	depends on ADC_1 && !HAS_DTS_ADC
 	prompt "ADC 1 interrupt priority"
 	default 2
 

dts/arm/frdm_k64f.dts

@@ -7,6 +7,8 @@
 	compatible = "nxp,mk64f12", "nxp,k64f", "nxp,k6x";
 
 	aliases {
+		adc_0 = &adc0;
+		adc_1 = &adc1;
 		uart_0 = &uart0;
 		uart_3 = &uart3;
 		pinmux_a = &pinmux_a;
@@ -29,6 +31,14 @@
 	};
 };
 
+&adc0 {
+	status = "ok";
+};
+
+&adc1 {
+	status = "ok";
+};
+
 &uart0 {
 	status = "ok";
 	current-speed = <115200>;

dts/arm/frdm_k64f.fixup

@@ -23,3 +23,13 @@
 #define CONFIG_UART_MCUX_5_BAUD_RATE	NXP_KINETIS_UART_400EB000_CURRENT_SPEED
 #define CONFIG_UART_MCUX_5_IRQ_PRI	NXP_KINETIS_UART_400EB000_IRQ_0_PRIORITY
 #define CONFIG_UART_MCUX_5_NAME		NXP_KINETIS_UART_400EB000_LABEL
+
+#define CONFIG_ADC_0_BASE_ADDRESS	NXP_KINETIS_ADC16_4003B000_BASE_ADDRESS_0
+#define CONFIG_ADC_0_IRQ		NXP_KINETIS_ADC16_4003B000_IRQ_0
+#define CONFIG_ADC_0_IRQ_PRI		NXP_KINETIS_ADC16_4003B000_IRQ_0_PRIORITY
+#define CONFIG_ADC_0_NAME		NXP_KINETIS_ADC16_4003B000_LABEL
+
+#define CONFIG_ADC_1_BASE_ADDRESS	NXP_KINETIS_ADC16_400BB000_BASE_ADDRESS_0
+#define CONFIG_ADC_1_IRQ		NXP_KINETIS_ADC16_400BB000_IRQ_0
+#define CONFIG_ADC_1_IRQ_PRI		NXP_KINETIS_ADC16_400BB000_IRQ_0_PRIORITY
+#define CONFIG_ADC_1_NAME		NXP_KINETIS_ADC16_400BB000_LABEL

dts/arm/frdm_kl25z.dts

@@ -7,6 +7,7 @@
 	compatible = "nxp,frdm-kl25z", "nxp,kl25z", "nxp,mkl25z4";
 
 	aliases {
+		adc_0 = &adc0;
 		uart_0 = &uart0;
 	};
 
@@ -17,6 +18,10 @@
 	};
 };
 
+&adc0 {
+	status = "ok";
+};
+
 &uart0 {
 	status = "ok";
 	current-speed = <115200>;

dts/arm/frdm_kl25z.fixup

@@ -1,2 +1,7 @@
 #define CONFIG_NUM_IRQ_PRIO_BITS	ARM_V6M_NVIC_E000E100_ARM_NUM_IRQ_PRIORITY_BITS
 #define CONFIG_UART_MCUX_LPSCI_0_NAME	NXP_KINETIS_LPSCI_4006A000_LABEL
+
+#define CONFIG_ADC_0_BASE_ADDRESS	NXP_KINETIS_ADC16_4003B000_BASE_ADDRESS_0
+#define CONFIG_ADC_0_IRQ		NXP_KINETIS_ADC16_4003B000_IRQ_0
+#define CONFIG_ADC_0_IRQ_PRI		NXP_KINETIS_ADC16_4003B000_IRQ_0_PRIORITY
+#define CONFIG_ADC_0_NAME		NXP_KINETIS_ADC16_4003B000_LABEL

dts/arm/frdm_kw41z.dts

@@ -7,6 +7,7 @@
 	compatible = "nxp,kw41z", "nxp,mkw41z4";
 
 	aliases {
+		adc_0 = &adc0;
 		lpuart_0 = &lpuart0;
 		pinmux_a = &pinmux_a;
 		pinmux_b = &pinmux_b;
@@ -23,6 +24,10 @@
 	};
 };
 
+&adc0 {
+	status = "ok";
+};
+
 &lpuart0 {
 	status = "ok";
 	current-speed = <115200>;

dts/arm/frdm_kw41z.fixup

@@ -3,3 +3,8 @@
 #define CONFIG_UART_MCUX_LPUART_0_BAUD_RATE	NXP_KINETIS_LPUART_40054000_CURRENT_SPEED
 #define CONFIG_UART_MCUX_LPUART_0_IRQ_PRI	NXP_KINETIS_LPUART_40054000_IRQ_0_PRIORITY
 #define CONFIG_UART_MCUX_LPUART_0_NAME		NXP_KINETIS_LPUART_40054000_LABEL
+
+#define CONFIG_ADC_0_BASE_ADDRESS		NXP_KINETIS_ADC16_4003B000_BASE_ADDRESS_0
+#define CONFIG_ADC_0_IRQ			NXP_KINETIS_ADC16_4003B000_IRQ_0
+#define CONFIG_ADC_0_IRQ_PRI			NXP_KINETIS_ADC16_4003B000_IRQ_0_PRIORITY
+#define CONFIG_ADC_0_NAME			NXP_KINETIS_ADC16_4003B000_LABEL

dts/arm/hexiwear_k64.dts

@@ -7,6 +7,8 @@
 	compatible = "nxp,hexiwear", "nxp,k64f", "nxp,k6x";
 
 	aliases {
+		adc_0 = &adc0;
+		adc_1 = &adc1;
 		uart_0 = &uart0;
 		uart_4 = &uart4;
 		pinmux_a = &pinmux_a;
@@ -29,6 +31,14 @@
 
 };
 
+&adc0 {
+	status = "ok";
+};
+
+&adc1 {
+	status = "ok";
+};
+
 &uart0 {
 	status = "ok";
 	current-speed = <115200>;

dts/arm/hexiwear_k64.fixup

@@ -23,3 +23,13 @@
 #define CONFIG_UART_MCUX_5_BAUD_RATE	NXP_KINETIS_UART_400EB000_CURRENT_SPEED
 #define CONFIG_UART_MCUX_5_IRQ_PRI	NXP_KINETIS_UART_400EB000_IRQ_0_PRIORITY
 #define CONFIG_UART_MCUX_5_NAME		NXP_KINETIS_UART_400EB000_LABEL
+
+#define CONFIG_ADC_0_BASE_ADDRESS	NXP_KINETIS_ADC16_4003B000_BASE_ADDRESS_0
+#define CONFIG_ADC_0_IRQ		NXP_KINETIS_ADC16_4003B000_IRQ_0
+#define CONFIG_ADC_0_IRQ_PRI		NXP_KINETIS_ADC16_4003B000_IRQ_0_PRIORITY
+#define CONFIG_ADC_0_NAME		NXP_KINETIS_ADC16_4003B000_LABEL
+
+#define CONFIG_ADC_1_BASE_ADDRESS	NXP_KINETIS_ADC16_400BB000_BASE_ADDRESS_0
+#define CONFIG_ADC_1_IRQ		NXP_KINETIS_ADC16_400BB000_IRQ_0
+#define CONFIG_ADC_1_IRQ_PRI		NXP_KINETIS_ADC16_400BB000_IRQ_0_PRIORITY
+#define CONFIG_ADC_1_NAME		NXP_KINETIS_ADC16_400BB000_LABEL

dts/arm/hexiwear_kw40z.dts

@@ -7,6 +7,7 @@
 	compatible = "nxp,kw40z", "nxp,mkw40z4";
 
 	aliases {
+		adc_0 = &adc0;
 		lpuart_0 = &lpuart0;
 		pinmux_a = &pinmux_a;
 		pinmux_b = &pinmux_b;
@@ -22,6 +23,10 @@
 	};
 };
 
+&adc0 {
+	status = "ok";
+};
+
 &lpuart0 {
 	status = "ok";
 	current-speed = <115200>;

dts/arm/hexiwear_kw40z.fixup

@@ -3,3 +3,8 @@
 #define CONFIG_UART_MCUX_LPUART_0_BAUD_RATE	NXP_KINETIS_LPUART_40054000_CURRENT_SPEED
 #define CONFIG_UART_MCUX_LPUART_0_IRQ_PRI	NXP_KINETIS_LPUART_40054000_IRQ_0_PRIORITY
 #define CONFIG_UART_MCUX_LPUART_0_NAME		NXP_KINETIS_LPUART_40054000_LABEL
+
+#define CONFIG_ADC_0_BASE_ADDRESS		NXP_KINETIS_ADC16_4003B000_BASE_ADDRESS_0
+#define CONFIG_ADC_0_IRQ			NXP_KINETIS_ADC16_4003B000_IRQ_0
+#define CONFIG_ADC_0_IRQ_PRI			NXP_KINETIS_ADC16_4003B000_IRQ_0_PRIORITY
+#define CONFIG_ADC_0_NAME			NXP_KINETIS_ADC16_4003B000_LABEL

dts/arm/nxp/nxp_k6x.dtsi

@@ -273,6 +273,22 @@
 			clock-source = <0>;
 			/* channel information needed - fixme */
 		};
+
+		adc0: adc@4003b000{
+			compatible = "nxp,kinetis-adc16";
+			reg = <0x4003b000 0x70>;
+			interrupts = <39 0>;
+			label = "ADC_0";
+			status = "disabled";
+		};
+
+		adc1: adc@400bb000{
+			compatible = "nxp,kinetis-adc16";
+			reg = <0x400bb000 0x70>;
+			interrupts = <73 0>;
+			label = "ADC_1";
+			status = "disabled";
+		};
 	};
 };
 

dts/arm/nxp/nxp_kl25z.dtsi

@@ -25,6 +25,14 @@
 
 			status = "disabled";
 		};
+
+		adc0: adc@4003b000{
+			compatible = "nxp,kinetis-adc16";
+			reg = <0x4003b000 0x70>;
+			interrupts = <15 0>;
+			label = "ADC_0";
+			status = "disabled";
+		};
 	};
 };
 

dts/arm/nxp/nxp_kw40z.dtsi

@@ -178,6 +178,14 @@
 			clock-source = <0>;
 			/* channel information needed - fixme */
 		};
+
+		adc0: adc@4003b000{
+			compatible = "nxp,kinetis-adc16";
+			reg = <0x4003b000 0x70>;
+			interrupts = <15 0>;
+			label = "ADC_0";
+			status = "disabled";
+		};
 	};
 };
 

dts/arm/nxp/nxp_kw41z.dtsi

@@ -178,6 +178,14 @@
 			clock-source = <0>;
 			/* channel information needed - fixme */
 		};
+
+		adc0: adc@4003b000{
+			compatible = "nxp,kinetis-adc16";
+			reg = <0x4003b000 0x70>;
+			interrupts = <15 0>;
+			label = "ADC_0";
+			status = "disabled";
+		};
 	};
 };
 

dts/arm/yaml/nxp,kinetis-adc16.yaml

@@ -0,0 +1,35 @@
+#
+# Copyright (c) 2017, NXP
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+---
+title: Kinetis ADC16
+id: nxp,kinetis-adc16
+version: 0.1
+
+description: >
+    This binding gives a base representation of the Kinetis ADC16
+
+inherits:
+  - !include adc.yaml
+
+properties:
+  - compatible:
+      type: string
+      category: required
+      description: compatible strings
+      constraint: "nxp,kinetis-adc16"
+
+  - reg:
+      type: array
+      description: mmio register space
+      generation: define
+      category: required
+
+  - interrupts:
+      type: array
+      category: required
+      description: required interrupts
+      generation: define
+...

dts/common/yaml/adc.yaml

@@ -0,0 +1,26 @@
+#
+# Copyright (c) 2017, NXP
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+---
+title: ADC Base Structure
+id: adc
+version: 0.1
+
+description: >
+    This binding gives the base structures for all ADC devices
+
+properties:
+  - clocks:
+      type: array
+      category: required
+      description: Clock gate information
+      generation: define
+
+  - label:
+      type: string
+      category: required
+      description: Human readable string describing the device (used by Zephyr for API name)
+      generation: define
+...

kernel/Kconfig

@@ -15,6 +15,13 @@ config HAS_DTS
 	This option specifies that the target platform supports device tree
 	configuration.
 
+config HAS_DTS_ADC
+	bool "ADC uses Device Tree"
+	depends on HAS_DTS
+	help
+	This option specifies that the target platform supports device tree
+	configuration for ADC.
+
 config HAS_DTS_I2C
 	bool "I2C uses Device Tree"
 	default n