dts: Add support for Nordic QDEC

Add QDEC binding and entry in Nordic SoC DTSI files. This closes issue #9364 Jira:DESK-259 Signed-off-by: Pawel Dunaj <pawel.dunaj@nordicsemi.no>
zephyrproject-rtos · Oct 17, 2018 · ecae736 · ecae736
1 parent cb01d09
commit ecae736
Show file tree

Hide file tree

Showing 8 changed files with 142 additions and 0 deletions.
diff --git a/dts/Kconfig b/dts/Kconfig
@@ -32,6 +32,13 @@ config HAS_DTS_SPI
 	  This option specifies that the target platform supports device tree
 	  configuration for SPI.
 
+config HAS_DTS_QDEC
+	bool
+	depends on HAS_DTS
+	help
+	  This option specifies that the target platform supports device tree
+	  configuration for QDEC.
+
 config HAS_DTS_USB
 	bool
 	depends on HAS_DTS

diff --git a/dts/arm/nordic/nrf51822.dtsi b/dts/arm/nordic/nrf51822.dtsi
@@ -93,6 +93,14 @@
 			label = "I2C_1";
 		};
 
+		qdec: qdec@40012000 {
+			compatible = "nordic,nrf-qdec";
+			reg = <0x40012000 0x1000>;
+			interrupts = <18 1>;
+			status = "disabled";
+			label = "QDEC";
+		};
+
 		spi0: spi@40003000 {
 			compatible = "nordic,nrf-spi";
 			#address-cells = <1>;

diff --git a/dts/arm/nordic/nrf52810.dtsi b/dts/arm/nordic/nrf52810.dtsi
@@ -82,6 +82,14 @@
 			label = "I2C_0";
 		};
 
+		qdec: qdec@40012000 {
+			compatible = "nordic,nrf-qdec";
+			reg = <0x40012000 0x1000>;
+			interrupts = <18 1>;
+			status = "disabled";
+			label = "QDEC";
+		};
+
 		spi0: spi@40004000 {
 			compatible = "nordic,nrf-spi";
 			#address-cells = <1>;

diff --git a/dts/arm/nordic/nrf52832.dtsi b/dts/arm/nordic/nrf52832.dtsi
@@ -95,6 +95,14 @@
 			label = "I2C_1";
 		};
 
+		qdec: qdec@40012000 {
+			compatible = "nordic,nrf-qdec";
+			reg = <0x40012000 0x1000>;
+			interrupts = <18 1>;
+			status = "disabled";
+			label = "QDEC";
+		};
+
 		spi0: spi@40003000 {
 			compatible = "nordic,nrf-spi";
 			#address-cells = <1>;

diff --git a/dts/arm/nordic/nrf52840.dtsi b/dts/arm/nordic/nrf52840.dtsi
@@ -113,6 +113,14 @@
 			label = "I2C_1";
 		};
 
+		qdec: qdec@40012000 {
+			compatible = "nordic,nrf-qdec";
+			reg = <0x40012000 0x1000>;
+			interrupts = <18 1>;
+			status = "disabled";
+			label = "QDEC";
+		};
+
 		spi0: spi@40003000 {
 			compatible = "nordic,nrf-spi";
 			#address-cells = <1>;

diff --git a/dts/bindings/sensor/nordic,nrf-qdec.yaml b/dts/bindings/sensor/nordic,nrf-qdec.yaml
@@ -0,0 +1,73 @@
+#
+# Copyright (c) 2018, Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+---
+title: Nordic nRF Family QDEC node
+version: 0.1
+
+description: >
+    This is a representation of the Nordic nRF QDEC node
+
+properties:
+    compatible:
+      type: string
+      category: required
+      description: compatible strings
+      constraint: "nordic,nrf-qdec"
+
+    reg:
+      type: array
+      description: mmio register space
+      generation: define
+      category: required
+
+    interrupts:
+      type: array
+      category: required
+      description: required interrupts
+      generation: define
+
+    a-pin:
+      type: int
+      description: A pin
+      generation: define
+      category: required
+
+    b-pin:
+      type: int
+      description: B pin
+      generation: define
+      category: required
+
+    led-pin:
+      type: int
+      description: LED pin for light based QDEC device
+      generation: define
+      category: optional
+
+    enable-pin:
+      type: int
+      description: Enables connected QDEC device
+      generation: define
+      category: optional
+
+    led-pre:
+      type: int
+      description: Time LED is enabled prior to sampling event (in us)
+      generation: define
+      category: required
+
+    steps:
+      type: int
+      description: Number of steps on the rotating wheel
+      generation: define
+      category: required
+
+    label:
+      type: string
+      category: required
+      description: Human readable string describing the device (used by Zephyr for API name)
+      generation: define
+...
diff --git a/soc/arm/nordic_nrf/nrf51/dts_fixup.h b/soc/arm/nordic_nrf/nrf51/dts_fixup.h
@@ -42,6 +42,21 @@
 #define CONFIG_I2C_1_SDA_PIN		NORDIC_NRF_I2C_40004000_SDA_PIN
 #define CONFIG_I2C_1_SCL_PIN		NORDIC_NRF_I2C_40004000_SCL_PIN
 
+#define CONFIG_QDEC_BASE_ADDR		NORDIC_NRF_QDEC_40012000_BASE_ADDRESS
+#define CONFIG_QDEC_NAME		NORDIC_NRF_QDEC_40012000_LABEL
+#define CONFIG_QDEC_IRQ_PRI		NORDIC_NRF_QDEC_40012000_IRQ_0_PRIORITY
+#define CONFIG_QDEC_IRQ			NORDIC_NRF_QDEC_40012000_IRQ_0
+#define CONFIG_QDEC_A_PIN		NORDIC_NRF_QDEC_40012000_A_PIN
+#define CONFIG_QDEC_B_PIN		NORDIC_NRF_QDEC_40012000_B_PIN
+#if defined(NORDIC_NRF_QDEC_40012000_LED_PIN)
+#define CONFIG_QDEC_LED_PIN		NORDIC_NRF_QDEC_40012000_LED_PIN
+#endif
+#if defined(NORDIC_NRF_QDEC_40012000_ENABLE_PIN)
+#define CONFIG_QDEC_ENABLE_PIN		NORDIC_NRF_QDEC_40012000_ENABLE_PIN
+#endif
+#define CONFIG_QDEC_LED_PRE		NORDIC_NRF_QDEC_40012000_LED_PRE
+#define CONFIG_QDEC_STEPS		NORDIC_NRF_QDEC_40012000_STEPS
+
 #define CONFIG_SPI_0_BASE_ADDRESS       NORDIC_NRF_SPI_40003000_BASE_ADDRESS
 #define CONFIG_SPI_0_NAME               NORDIC_NRF_SPI_40003000_LABEL
 #define CONFIG_SPI_0_IRQ_PRI            NORDIC_NRF_SPI_40003000_IRQ_0_PRIORITY

diff --git a/soc/arm/nordic_nrf/nrf52/dts_fixup.h b/soc/arm/nordic_nrf/nrf52/dts_fixup.h
@@ -75,6 +75,21 @@
 #define CONFIG_I2C_1_SDA_PIN		NORDIC_NRF_I2C_40004000_SDA_PIN
 #define CONFIG_I2C_1_SCL_PIN		NORDIC_NRF_I2C_40004000_SCL_PIN
 
+#define CONFIG_QDEC_BASE_ADDR		NORDIC_NRF_QDEC_40012000_BASE_ADDRESS
+#define CONFIG_QDEC_NAME		NORDIC_NRF_QDEC_40012000_LABEL
+#define CONFIG_QDEC_IRQ_PRI		NORDIC_NRF_QDEC_40012000_IRQ_0_PRIORITY
+#define CONFIG_QDEC_IRQ			NORDIC_NRF_QDEC_40012000_IRQ_0
+#define CONFIG_QDEC_A_PIN		NORDIC_NRF_QDEC_40012000_A_PIN
+#define CONFIG_QDEC_B_PIN		NORDIC_NRF_QDEC_40012000_B_PIN
+#if defined(NORDIC_NRF_QDEC_40012000_LED_PIN)
+#define CONFIG_QDEC_LED_PIN		NORDIC_NRF_QDEC_40012000_LED_PIN
+#endif
+#if defined(NORDIC_NRF_QDEC_40012000_ENABLE_PIN)
+#define CONFIG_QDEC_ENABLE_PIN		NORDIC_NRF_QDEC_40012000_ENABLE_PIN
+#endif
+#define CONFIG_QDEC_LED_PRE		NORDIC_NRF_QDEC_40012000_LED_PRE
+#define CONFIG_QDEC_STEPS		NORDIC_NRF_QDEC_40012000_STEPS
+
 #define CONFIG_SPI_0_BASE_ADDRESS       NORDIC_NRF_SPI_40003000_BASE_ADDRESS
 #define CONFIG_SPI_0_NAME               NORDIC_NRF_SPI_40003000_LABEL
 #define CONFIG_SPI_0_IRQ_PRI            NORDIC_NRF_SPI_40003000_IRQ_0_PRIORITY