feat(board): Add Ferris 0.2 boards

* Onboard stm32f072 with mcp23018 IO expander. * No underglow support yet. * Miryoku inspired default layout.
2021-09-13 22:18:58 -04:00
parent 647110e5e5
commit e42590a049
9 changed files with 337 additions and 0 deletions
--- a/app/boards/arm/ferris/ferris_rev02.dts
+++ b/app/boards/arm/ferris/ferris_rev02.dts
@@ -0,0 +1,139 @@
+/*
+ * Copyright (c) 2020 The ZMK Contributors
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+/dts-v1/;
+#include <st/f0/stm32f072Xb.dtsi>
+#include <st/f0/stm32f072v(8-b)tx-pinctrl.dtsi>
+
+#include <dt-bindings/zmk/matrix_transform.h>
+
+/ {
+	model = "Ferris rev0.2";
+	compatible = "ferris,rev02", "st,stm32f072";
+
+	chosen {
+		zephyr,sram = &sram0;
+		zephyr,flash = &flash0;
+		zmk,kscan = &kscan;
+		zmk,matrix_transform = &transform;
+		/* TODO: Enable once we support the IC for underglow
+		zmk,underglow = &led_strip;
+		 */
+	};
+
+	transform: transform {
+		compatible = "zmk,matrix-transform";
+		rows = <4>;
+		columns = <10>;
+
+		map = <
+		RC(0,0) RC(0,1) RC(0,2) RC(0,3) RC(0,4)     RC(0,5) RC(0,6) RC(0,7) RC(0,8) RC(0,9)
+		RC(1,0) RC(1,1) RC(1,2) RC(1,3) RC(1,4)     RC(1,5) RC(1,6) RC(1,7) RC(1,8) RC(1,9)
+		RC(2,0) RC(2,1) RC(2,2) RC(2,3) RC(2,4)     RC(2,5) RC(2,6) RC(2,7) RC(2,8) RC(2,9)
+		RC(3,3)  RC(3,4)     RC(3,5) RC(3,6)
+		>;
+	};
+
+	kscan: kscan {
+		compatible = "zmk,kscan-composite";
+		label = "KSCAN";
+		rows = <4>;
+		columns = <10>;
+
+		left {
+			kscan = <&kscan_left>;
+		};
+
+		right {
+			kscan = <&kscan_right>;
+			column-offset = <5>;
+		};
+	};
+
+	kscan_left: kscan_left {
+		compatible = "zmk,kscan-gpio-matrix";
+		label = "KSCAN_LEFT";
+
+		diode-direction = "col2row";
+
+		col-gpios
+		= <&gpiob 8 (GPIO_ACTIVE_HIGH)>
+		, <&gpiob 4 (GPIO_ACTIVE_HIGH)>
+		, <&gpiob 3 (GPIO_ACTIVE_HIGH)>
+		, <&gpioa 15 (GPIO_ACTIVE_HIGH)>
+		, <&gpioa 14 (GPIO_ACTIVE_HIGH)>
+		;
+		row-gpios
+		= <&gpiob 7  (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
+		, <&gpiob 6  (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
+		, <&gpiob 5 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
+		, <&gpioa 2 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
+		;
+	};
+
+	kscan_right: kscan_right {
+		compatible = "zmk,kscan-gpio-matrix";
+		label = "KSCAN_RIGHT";
+
+		diode-direction = "row2col";
+
+		col-gpios
+		= <&right_io 0 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
+		, <&right_io 1 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
+		, <&right_io 2 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
+		, <&right_io 3 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
+		, <&right_io 4 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
+		;
+		row-gpios
+		= <&right_io 8  (GPIO_ACTIVE_LOW)>
+		, <&right_io 9  (GPIO_ACTIVE_LOW)>
+		, <&right_io 10 (GPIO_ACTIVE_LOW)>
+		, <&right_io 11 (GPIO_ACTIVE_LOW)>
+		;
+	};
+};
+
+&i2c2 {
+	pinctrl-0 = <&i2c2_scl_pb10 &i2c2_sda_pb11>;
+	status = "okay";
+	clock-frequency = <I2C_BITRATE_FAST>;
+
+	right_io: mcp23017@20 {
+		compatible = "microchip,mcp23017";
+		status = "okay";
+		gpio-controller;
+		reg = <0x20>;
+		label = "RIGHT_IO";
+		#gpio-cells = <2>;
+		ngpios = <16>;
+	};
+};
+
+&usb {
+	status = "okay";
+};
+
+&rtc {
+	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 128Kb of flash */
+		storage_partition: partition@3e800 {
+			label = "storage";
+			reg = <0x0001e800 0x00001800>;
+		};
+	};
+};