From 6ea2ead13ee526449da483b99fe90d912b5e4e03 Mon Sep 17 00:00:00 2001
From: Artemis Tosini <me@artem.ist>
Date: Wed, 22 Nov 2023 21:31:59 +0000
Subject: [PATCH] Setup structure for scd30 driver

---
 CMakeLists.txt                      |  1 +
 Kconfig                             |  2 ++
 boards/xtensa/minico2/minico2.dts   | 10 ++++++++++
 drivers/CMakeLists.txt              |  1 +
 drivers/Kconfig                     |  3 +++
 drivers/sensor/CMakeLists.txt       |  1 +
 drivers/sensor/Kconfig              |  3 +++
 drivers/sensor/scd30/CMakeLists.txt |  3 +++
 drivers/sensor/scd30/Kconfig        |  8 ++++++++
 drivers/sensor/scd30/scd30.c        |  0
 dts/bindings/sensirion,scd30.yaml   |  3 +++
 prj.conf                            |  1 +
 12 files changed, 36 insertions(+)
 create mode 100644 Kconfig
 create mode 100644 drivers/CMakeLists.txt
 create mode 100644 drivers/Kconfig
 create mode 100644 drivers/sensor/CMakeLists.txt
 create mode 100644 drivers/sensor/Kconfig
 create mode 100644 drivers/sensor/scd30/CMakeLists.txt
 create mode 100644 drivers/sensor/scd30/Kconfig
 create mode 100644 drivers/sensor/scd30/scd30.c
 create mode 100644 dts/bindings/sensirion,scd30.yaml

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8d8ae89..a6f36ee 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -6,5 +6,6 @@ set(BOARD minico2)
 
 find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
 
+add_subdirectory(drivers)
 project(minico2)
 target_sources(app PRIVATE src/main.c)
diff --git a/Kconfig b/Kconfig
new file mode 100644
index 0000000..cebb8ac
--- /dev/null
+++ b/Kconfig
@@ -0,0 +1,2 @@
+source "Kconfig.zephyr"
+rsource "drivers/Kconfig"
diff --git a/boards/xtensa/minico2/minico2.dts b/boards/xtensa/minico2/minico2.dts
index 9cca8cc..8b78b43 100644
--- a/boards/xtensa/minico2/minico2.dts
+++ b/boards/xtensa/minico2/minico2.dts
@@ -45,6 +45,15 @@
 	scl-gpios = <&gpio0 33 GPIO_OPEN_DRAIN>;
 	pinctrl-0 = <&i2c0_default>;
 	pinctrl-names = "default";
+
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	scd30: scd30@61 {
+		status = "okay";
+		compatible = "sensirion,scd30";
+		reg = <0x61>;
+	};
 };
 
 &spi2 {
@@ -56,6 +65,7 @@
 	#size-cells = <0>;
 
 	epd: sd16xxfb@0 {
+		status = "okay";
 		compatible = "gooddisplay,gdey0213b74", "solomon,ssd1680";
 		spi-max-frequency = <4000000>;
 		reg = <0>;
diff --git a/drivers/CMakeLists.txt b/drivers/CMakeLists.txt
new file mode 100644
index 0000000..3dc4e16
--- /dev/null
+++ b/drivers/CMakeLists.txt
@@ -0,0 +1 @@
+add_subdirectory_ifdef(CONFIG_SENSOR sensor)
diff --git a/drivers/Kconfig b/drivers/Kconfig
new file mode 100644
index 0000000..9948023
--- /dev/null
+++ b/drivers/Kconfig
@@ -0,0 +1,3 @@
+menu "Drivers"
+rsource "sensor/Kconfig"
+endmenu
diff --git a/drivers/sensor/CMakeLists.txt b/drivers/sensor/CMakeLists.txt
new file mode 100644
index 0000000..073b8d9
--- /dev/null
+++ b/drivers/sensor/CMakeLists.txt
@@ -0,0 +1 @@
+add_subdirectory_ifdef(CONFIG_SCD30 scd30)
diff --git a/drivers/sensor/Kconfig b/drivers/sensor/Kconfig
new file mode 100644
index 0000000..fdb5f50
--- /dev/null
+++ b/drivers/sensor/Kconfig
@@ -0,0 +1,3 @@
+if SENSOR
+rsource "scd30/Kconfig"
+endif
diff --git a/drivers/sensor/scd30/CMakeLists.txt b/drivers/sensor/scd30/CMakeLists.txt
new file mode 100644
index 0000000..315eab1
--- /dev/null
+++ b/drivers/sensor/scd30/CMakeLists.txt
@@ -0,0 +1,3 @@
+zephyr_library()
+
+zephyr_library_sources(scd30.c)
diff --git a/drivers/sensor/scd30/Kconfig b/drivers/sensor/scd30/Kconfig
new file mode 100644
index 0000000..13cc066
--- /dev/null
+++ b/drivers/sensor/scd30/Kconfig
@@ -0,0 +1,8 @@
+config SCD30
+	bool "SCD30 CO2, Temperature, and Humidity Sensor"
+	default y
+	depends on DT_HAS_SENSIRION_SCD30_ENABLED
+	select I2C
+	select CRC
+	help
+	  Enable driver for the SCD30 CO2, temperature, and humidity sensors.
diff --git a/drivers/sensor/scd30/scd30.c b/drivers/sensor/scd30/scd30.c
new file mode 100644
index 0000000..e69de29
diff --git a/dts/bindings/sensirion,scd30.yaml b/dts/bindings/sensirion,scd30.yaml
new file mode 100644
index 0000000..338550a
--- /dev/null
+++ b/dts/bindings/sensirion,scd30.yaml
@@ -0,0 +1,3 @@
+description: Sensirion SCD30 CO2, humidity, and temperature sensor
+compatible: "sensirion,scd30"
+include: [sensor-device.yaml, i2c-device.yaml]
diff --git a/prj.conf b/prj.conf
index 91c3c15..0af243e 100644
--- a/prj.conf
+++ b/prj.conf
@@ -1 +1,2 @@
+CONFIG_SENSOR=y
 CONFIG_GPIO=y