Initial commit of Preonic rev3 board definition. Awaiting ticket #202 before it can be tested.

app/boards/arm/preonic/CMakeLists.txt

@@ -0,0 +1,9 @@
+# SPDX-License-Identifier: MIT
+
+list(APPEND EXTRA_DTC_FLAGS "-qq")
+
+if(CONFIG_PINMUX)
+zephyr_library()
+zephyr_library_sources(pinmux.c)
+zephyr_library_include_directories(${ZEPHYR_BASE}/drivers)
+endif()

app/boards/arm/preonic/Kconfig.board

@@ -0,0 +1,8 @@
+# Preonic V3 board configuration
+
+# Copyright (c) 2020 The ZMK Contributors
+# SPDX-License-Identifier: MIT
+
+config BOARD_PREONIC_REV3
+	bool "Preonic V3 Keyboard"
+	depends on SOC_STM32F303XC

app/boards/arm/preonic/Kconfig.defconfig

@@ -0,0 +1,14 @@
+# Preonic keyboard configuration
+
+# Copyright (c) 2020 The ZMK Contributors
+# SPDX-License-Identifier: MIT
+
+if BOARD_PREONIC_REV3
+
+config ZMK_KEYBOARD_NAME
+	default "Preonic V3"
+
+config ZMK_USB
+	default y
+
+endif # BOARD_PREONIC_REV3

app/boards/arm/preonic/board.cmake

@@ -0,0 +1,7 @@
+# SPDX-License-Identifier: MIT
+
+board_runner_args(dfu-util "--pid=0483:df11" "--alt=0" "--dfuse")
+board_runner_args(jlink "--device=STM32F303VC" "--speed=4000")
+
+include(${ZEPHYR_BASE}/boards/common/dfu-util.board.cmake)
+include(${ZEPHYR_BASE}/boards/common/jlink.board.cmake)

app/boards/arm/preonic/pinmux.c

@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2017 I-SENSE group of ICCS
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#include <kernel.h>
+#include <device.h>
+#include <init.h>
+#include <drivers/pinmux.h>
+#include <sys/sys_io.h>
+
+#include <pinmux/stm32/pinmux_stm32.h>
+
+/* pin assignments for STM32F3DISCOVERY board */
+static const struct pin_config pinconf[] = {
+#ifdef CONFIG_UART_1
+    {STM32_PIN_PC4, STM32F3_PINMUX_FUNC_PC4_USART1_TX},
+    {STM32_PIN_PC5, STM32F3_PINMUX_FUNC_PC5_USART1_RX},
+#endif /* CONFIG_UART_1 */
+#ifdef CONFIG_UART_2
+    {STM32_PIN_PA2, STM32F3_PINMUX_FUNC_PA2_USART2_TX},
+    {STM32_PIN_PA3, STM32F3_PINMUX_FUNC_PA3_USART2_RX},
+#endif /* CONFIG_UART_2 */
+#ifdef CONFIG_I2C_1
+    {STM32_PIN_PB6, STM32F3_PINMUX_FUNC_PB6_I2C1_SCL},
+    {STM32_PIN_PB7, STM32F3_PINMUX_FUNC_PB7_I2C1_SDA},
+#endif /* CONFIG_I2C_1 */
+#ifdef CONFIG_I2C_2
+    {STM32_PIN_PA9, STM32F3_PINMUX_FUNC_PA9_I2C2_SCL},
+    {STM32_PIN_PA10, STM32F3_PINMUX_FUNC_PA10_I2C2_SDA},
+#endif /* CONFIG_I2C_2 */
+#ifdef CONFIG_SPI_1
+#ifdef CONFIG_SPI_STM32_USE_HW_SS
+    {STM32_PIN_PA4, STM32F3_PINMUX_FUNC_PA4_SPI1_NSS},
+#endif /* CONFIG_SPI_STM32_USE_HW_SS */
+    {STM32_PIN_PA5, STM32F3_PINMUX_FUNC_PA5_SPI1_SCK},
+    {STM32_PIN_PA6, STM32F3_PINMUX_FUNC_PA6_SPI1_MISO},
+    {STM32_PIN_PA7, STM32F3_PINMUX_FUNC_PA7_SPI1_MOSI},
+#endif /* CONFIG_SPI_1 */
+#ifdef CONFIG_SPI_2
+#ifdef CONFIG_SPI_STM32_USE_HW_SS
+    {STM32_PIN_PB12, STM32F3_PINMUX_FUNC_PB12_SPI2_NSS},
+#endif /* CONFIG_SPI_STM32_USE_HW_SS */
+    {STM32_PIN_PB13, STM32F3_PINMUX_FUNC_PB13_SPI2_SCK},
+    {STM32_PIN_PB14, STM32F3_PINMUX_FUNC_PB14_SPI2_MISO},
+    {STM32_PIN_PB15, STM32F3_PINMUX_FUNC_PB15_SPI2_MOSI},
+#endif /* CONFIG_SPI_2 */
+#ifdef CONFIG_USB_DC_STM32
+    {STM32_PIN_PA11, STM32F3_PINMUX_FUNC_PA11_USB_DM},
+    {STM32_PIN_PA12, STM32F3_PINMUX_FUNC_PA12_USB_DP},
+#endif /* CONFIG_USB_DC_STM32 */
+#ifdef CONFIG_CAN_1
+    {STM32_PIN_PD0, STM32F3_PINMUX_FUNC_PD0_CAN1_RX},
+    {STM32_PIN_PD1, STM32F3_PINMUX_FUNC_PD1_CAN1_TX},
+#endif /* CONFIG_CAN_1 */
+};
+
+static int pinmux_stm32_init(struct device *port) {
+    ARG_UNUSED(port);
+
+    stm32_setup_pins(pinconf, ARRAY_SIZE(pinconf));
+
+    return 0;
+}
+
+SYS_INIT(pinmux_stm32_init, PRE_KERNEL_1, CONFIG_PINMUX_STM32_DEVICE_INITIALIZATION_PRIORITY);

app/boards/arm/preonic/preonic_rev3.dts

@@ -0,0 +1,96 @@
+/*
+ * Copyright (c) 2017 I-SENSE group of ICCS
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+/dts-v1/;
+#include <st/f3/stm32f303Xc.dtsi>
+#include <dt-bindings/zmk/matrix-transform.h>
+
+/ {
+	model = "Preonic PCD, rev3";
+	compatible = "preonic,rev3", "st,stm32f303";
+
+	chosen {
+		zephyr,sram = &sram0;
+		zephyr,flash = &flash0;
+		zmk,kscan = &kscan0;
+        zmk,matrix_transform = &my_transform;
+	};
+
+    default_transform: keymap_transform_0 {
+        compatible = "zmk,matrix-transform";
+        columns = <6>;
+        rows = <10>;
+        map = <
+RC(0,0) RC(0,1) RC(0,2) RC(0,3) RC(0,4) RC(0,5) RC(4,0) RC(4,1) RC(4,2) RC(4,3) RC(4,4) RC(4,5) 
+RC(1,0) RC(1,1) RC(1,2) RC(1,3) RC(1,4) RC(1,5) RC(5,0) RC(5,1) RC(5,2) RC(5,3) RC(5,4) RC(5,5)
+RC(2,0) RC(2,1) RC(2,2) RC(2,3) RC(2,4) RC(2,5) RC(6,0) RC(6,1) RC(6,2) RC(6,3) RC(6,4) RC(6,5) 
+RC(3,0) RC(3,1) RC(3,2) RC(3,3) RC(3,4) RC(3,5) RC(7,0) RC(7,1) RC(7,2) RC(7,3) RC(7,4) RC(7,5)
+RC(8,0) RC(8,1) RC(8,2) RC(9,3) RC(9,4) RC(9,5) RC(9,0) RC(9,1) RC(9,2) RC(8,3) RC(8,4) RC(8,5)
+		>;
+    };
+
+    my_transform: keymap_transform_0 {
+        compatible = "zmk,matrix-transform";
+        columns = <6>;
+        rows = <10>;
+        map = <
+RC(0,0) RC(0,1) RC(0,2) RC(0,3) RC(0,4) RC(0,5) RC(7,0) RC(7,1) RC(7,2) RC(7,3) RC(7,4) RC(7,5) 
+RC(2,0) RC(2,1) RC(2,2) RC(2,3) RC(2,4) RC(2,5) RC(3,0) RC(3,1) RC(3,2) RC(3,3) RC(3,4) RC(3,5)
+RC(4,0) RC(4,1) RC(4,2) RC(4,3) RC(4,4) RC(4,5) RC(5,0) RC(5,1) RC(5,2) RC(5,3) RC(5,4) RC(5,5) 
+RC(6,0) RC(6,1) RC(6,2) RC(6,3) RC(6,4) RC(6,5) RC(1,0) RC(1,1) RC(1,2) RC(1,3) RC(1,4) RC(1,5)
+RC(8,0) RC(8,1) RC(8,2) RC(9,3) RC(9,4) RC(9,5) RC(9,0) RC(9,1) RC(9,2) RC(8,3) RC(8,4) RC(8,5)
+		>;
+    };
+	kscan0: kscan_0 {
+		compatible = "zmk,kscan-gpio-matrix";
+		label = "KSCAN";
+        diode-direction = "col2row";
+		row-gpios
+			= <&gpioa 10 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
+			, <&gpiob 15 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
+			, <&gpioa 9 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
+			, <&gpioa 2 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
+			, <&gpioa 8 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
+			, <&gpioa 6 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
+			, <&gpioc 13 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
+			, <&gpioc 14 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
+			, <&gpioc 15 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
+			, <&gpioa 3 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
+
+			;
+		col-gpios
+			= <&gpiob 11 GPIO_ACTIVE_HIGH>
+			, <&gpiob 10 GPIO_ACTIVE_HIGH>
+			, <&gpiob 2  GPIO_ACTIVE_HIGH>
+			, <&gpiob 1  GPIO_ACTIVE_HIGH>
+			, <&gpioa 7  GPIO_ACTIVE_HIGH>
+			, <&gpiob 0  GPIO_ACTIVE_HIGH>
+			;
+	};
+
+};
+
+&usb {
+	status = "okay";
+};
+
+&flash0 {
+	/*
+	 * For more information, see:
+	 * http://docs.zephyrproject.org/latest/guides/dts/index.html#flash-partitions
+	 */
+	partitions {
+		compatible = "fixed-partitions";
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		/* Set 6Kb of storage at the end of the 256Kb of flash */
+		storage_partition: partition@3e800 {
+			label = "storage";
+			reg = <0x0003e800 0x00001800>;
+		};
+	};
+};

app/boards/arm/preonic/preonic_rev3.keymap

@@ -0,0 +1,23 @@
+#include <behaviors.dtsi>
+#include <dt-bindings/zmk/keys.h>
+
+/ {
+	keymap {
+		compatible = "zmk,keymap";
+
+		default_layer {
+// -----------------------------------------------------------------------------------------
+// |  TAB  |  Q   |  W   |  E   |  R   |  T   |   Y   |  U    |  I   |  O   |   P   | BSPC  |
+// |  ESC  |  A   |  S   |  D   |  F   |  G   |   H   |  J    |  K   |  L   |   ;   |  '    |
+// | SHIFT |  Z   |  X   |  C   |  V   |  B   |   N   |  M    |  ,   |  .   |   /   |  RET  |
+// | FN    | LGUI | LALT | LCTL | LOWR |     SPACE    |  RAIS | LARW | DARW | UARW  |  RARW |
+			bindings = <
+	&kp TAB  &kp NUM_1    &kp NUM_2 &kp NUM_3 &kp NUM_4 &kp NUM_5  &kp NUM_6   &kp NUM_7  &kp NUM_8    &kp NUM_9   &kp NUM_0    &kp DEL
+	&kp TAB  &kp Q    &kp W &kp E &kp R &kp T  &kp Y   &kp U  &kp I    &kp O   &kp P    &kp DEL
+	&kp ESC  &kp A    &kp S &kp D &kp F &kp G  &kp H   &kp J  &kp K    &kp L   &kp SCLN &kp QUOT
+	&kp LSFT &kp Z    &kp X &kp C &kp V &kp B  &kp N   &kp M  &kp CMMA &kp DOT &kp BSLH &kp RET
+	&trans   &kp LGUI &kp LALT &kp LCTL &trans &trans &kp SPC &trans &kp LARW &kp DARW &kp UARW &kp RARW
+			>;
+		};
+	};
+};

app/boards/arm/preonic/preonic_rev3.yaml

@@ -0,0 +1,19 @@
+identifier: preonic_rev3
+name: PREONICREV3
+type: keyboard
+arch: arm
+toolchain:
+  - zephyr
+  - gnuarmemb
+  - xtools
+ram: 40
+supported:
+  - gpio
+  - i2c
+  - counter
+  - spi
+  - usb_device
+  - lsm303dlhc
+  - nvs
+  - can
+  - kscan

app/boards/arm/preonic/preonic_rev3_defconfig

@@ -0,0 +1,28 @@
+# SPDX-License-Identifier: MIT
+
+CONFIG_SOC_SERIES_STM32F3X=y
+CONFIG_SOC_STM32F303XC=y
+# 72MHz system clock
+CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=72000000
+
+
+# enable pinmux
+CONFIG_PINMUX=y
+
+# enable GPIO
+CONFIG_GPIO=y
+
+# clock configuration
+CONFIG_CLOCK_CONTROL=y
+
+# Clock configuration for Cube Clock control driver
+CONFIG_CLOCK_STM32_HSE_CLOCK=8000000
+CONFIG_CLOCK_STM32_SYSCLK_SRC_PLL=y
+# use HSE as PLL input
+CONFIG_CLOCK_STM32_PLL_SRC_HSE=y
+# produce 72MHz clock at PLL output
+CONFIG_CLOCK_STM32_PLL_PREDIV=1
+CONFIG_CLOCK_STM32_PLL_MULTIPLIER=9
+CONFIG_CLOCK_STM32_AHB_PRESCALER=1
+CONFIG_CLOCK_STM32_APB1_PRESCALER=2
+CONFIG_CLOCK_STM32_APB2_PRESCALER=1