zephyr: remove Volteer board

Volteer was the first reference board with EC based on Zephyr. At this
stage of migrating to Zephyr, the support for Volteer can be dropped, so
remove volteer project.

BUG=b:218888909
TEST=zmake testall
BRANCH=main

Signed-off-by: Dawid Niedzwiecki <dn@semihalf.com>
Change-Id: Ie78cc69e478267f45446b9d11fc2f433136ebfe0
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3521781
Reviewed-by: Keith Short <keithshort@chromium.org>
Commit-Queue: Dawid Niedzwiecki <dawidn@google.com>

5 files changed, 0 insertions, 395 deletions

diff --git a/zephyr/boards/arm/volteer/Kconfig.board b/zephyr/boards/arm/volteer/Kconfig.board
deleted file mode 100644
index 5a0390e16f..0000000000
--- a/zephyr/boards/arm/volteer/Kconfig.board
+++ /dev/null
@@ -1,13 +0,0 @@
-# Copyright 2021 The Chromium OS Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-# Note: this Zephyr board more closely represents the Chrome OS
-# concept of a baseboard.  Zephyr boards and Chrome OS boards do not
-# have a 1:1 mapping.
-config BOARD_VOLTEER
-	bool "Google Volteer Baseboard"
-	depends on SOC_NPCX7M6FC || SOC_NPCX7M7FC
-	# NPCX doesn't actually have enough ram for coverage, but this will
-	# allow generating initial 0 line coverage.
-	select HAS_COVERAGE_SUPPORT
diff --git a/zephyr/boards/arm/volteer/Kconfig.defconfig b/zephyr/boards/arm/volteer/Kconfig.defconfig
deleted file mode 100644
index 05361962d9..0000000000
--- a/zephyr/boards/arm/volteer/Kconfig.defconfig
+++ /dev/null
@@ -1,11 +0,0 @@
-# Google Volteer EC
-
-# Copyright 2020 The Chromium OS Authors
-# SPDX-License-Identifier: Apache-2.0
-
-if BOARD_VOLTEER
-
-config BOARD
-	default "volteer"
-
-endif # BOARD_VOLTEER
diff --git a/zephyr/boards/arm/volteer/board.cmake b/zephyr/boards/arm/volteer/board.cmake
deleted file mode 100644
index e29e12278d..0000000000
--- a/zephyr/boards/arm/volteer/board.cmake
+++ /dev/null
@@ -1,3 +0,0 @@
-# SPDX-License-Identifier: Apache-2.0
-
-set(NPCX_IMAGE_FILE ${PROJECT_BINARY_DIR}/zephyr.npcx.bin)
diff --git a/zephyr/boards/arm/volteer/volteer.dts b/zephyr/boards/arm/volteer/volteer.dts
deleted file mode 100644
index 0d2b060967..0000000000
--- a/zephyr/boards/arm/volteer/volteer.dts
+++ /dev/null
@@ -1,314 +0,0 @@
-/*
- * Copyright (c) 2020 The Chromium OS Authors
- *
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/dts-v1/;
-
-#include <cros/nuvoton/npcx7.dtsi>
-#include <dt-bindings/adc/adc.h>
-#include <dt-bindings/charger/intersil_isl9241.h>
-#include <dt-bindings/gpio_defines.h>
-#include <nuvoton/npcx7m7fc.dtsi>
-#include <cros/thermistor/thermistor.dtsi>
-
-/ {
-	model = "Google Volteer EC";
-
-	aliases {
-		i2c-0 = &i2c0_0;
-		i2c-1 = &i2c1_0;
-		i2c-2 = &i2c2_0;
-		i2c-3 = &i2c3_0;
-		i2c-5 = &i2c5_0;
-		i2c-7 = &i2c7_0;
-	};
-
-	chosen {
-		zephyr,sram = &sram0;
-		zephyr,console = &uart1;
-		zephyr,shell-uart = &uart1;
-		zephyr,flash = &flash0;
-		zephyr,flash-controller = &int_flash;
-		cros,rtc = &mtc;
-	};
-
-	ec-console {
-		compatible = "ec-console";
-
-		disabled = "hostcmd";
-	};
-
-	named-batteries {
-		compatible = "named-batteries";
-
-		lgc011 {
-			enum-name = "lgc011";
-		};
-	};
-
-	named-i2c-ports {
-		compatible = "named-i2c-ports";
-
-		i2c_sensor: sensor {
-			i2c-port = <&i2c0_0>;
-			enum-name = "I2C_PORT_SENSOR";
-		};
-		i2c-accel {
-			i2c-port = <&i2c0_0>;
-			enum-name = "I2C_PORT_ACCEL";
-		};
-		i2c_usb_c0: usb-c0 {
-			i2c-port = <&i2c1_0>;
-			enum-name = "I2C_PORT_USB_C0";
-		};
-		i2c_usb_c1: usb-c1 {
-			i2c-port = <&i2c2_0>;
-			enum-name = "I2C_PORT_USB_C1";
-		};
-		usb1-mix {
-			i2c-port = <&i2c3_0>;
-			enum-name = "I2C_PORT_USB_1_MIX";
-		};
-		power {
-			i2c-port = <&i2c5_0>;
-			enum-name = "I2C_PORT_POWER";
-		};
-		battery {
-			i2c-port = <&i2c5_0>;
-			enum-name = "I2C_PORT_BATTERY";
-		};
-		eeprom {
-			i2c-port = <&i2c7_0>;
-			enum-name = "I2C_PORT_EEPROM";
-		};
-		charger {
-			i2c-port = <&i2c7_0>;
-			enum-name = "I2C_PORT_CHARGER";
-		};
-	};
-
-	named-adc-channels {
-		compatible = "named-adc-channels";
-
-		adc_charger: charger {
-			label = "TEMP_CHARGER";
-			enum-name = "ADC_TEMP_SENSOR_CHARGER";
-			io-channels = <&adc0 0>;
-		};
-		adc_pp3300_regulator: pp3300_regulator {
-			label = "TEMP_PP3300_REGULATOR";
-			enum-name = "ADC_TEMP_SENSOR_PP3300_REGULATOR";
-			io-channels = <&adc0 1>;
-		};
-		adc_ddr_soc: ddr_soc {
-			label = "TEMP_DDR_SOC";
-			enum-name = "ADC_TEMP_SENSOR_DDR_SOC";
-			io-channels = <&adc0 8>;
-		};
-		adc_fan: fan {
-			label = "TEMP_FAN";
-			enum-name = "ADC_TEMP_SENSOR_FAN";
-			io-channels = <&adc0 3>;
-		};
-	};
-
-	named-temp-sensors {
-		charger {
-			compatible = "cros-ec,temp-sensor-thermistor";
-			thermistor = <&thermistor_3V3_30K9_47K_4050B>;
-			label = "TEMP_SENSOR_CHARGER";
-			enum-name = "TEMP_SENSOR_CHARGER";
-			temp_fan_off = <40>;
-			temp_fan_max = <55>;
-			temp_host_high = <75>;
-			temp_host_halt = <80>;
-			temp_host_release_high = <65>;
-			adc = <&adc_charger>;
-		};
-		pp3300_regulator {
-			compatible = "cros-ec,temp-sensor-thermistor";
-			thermistor = <&thermistor_3V3_30K9_47K_4050B>;
-			label = "TEMP_SENSOR_PP3300_REGULATOR";
-			enum-name = "TEMP_SENSOR_PP3300_REGULATOR";
-			temp_fan_off = <40>;
-			temp_fan_max = <55>;
-			temp_host_high = <75>;
-			temp_host_halt = <80>;
-			temp_host_release_high = <65>;
-			adc = <&adc_pp3300_regulator>;
-		};
-		ddr_soc {
-			compatible = "cros-ec,temp-sensor-thermistor";
-			thermistor = <&thermistor_3V3_30K9_47K_4050B>;
-			label = "TEMP_SENSOR_DDR_SOC";
-			enum-name = "TEMP_SENSOR_DDR_SOC";
-			temp_fan_off = <35>;
-			temp_fan_max = <50>;
-			temp_host_high = <70>;
-			temp_host_halt = <80>;
-			temp_host_release_high = <65>;
-			adc = <&adc_ddr_soc>;
-		};
-		fan {
-			compatible = "cros-ec,temp-sensor-thermistor";
-			thermistor = <&thermistor_3V3_30K9_47K_4050B>;
-			label = "TEMP_SENSOR_FAN";
-			enum-name = "TEMP_SENSOR_FAN";
-			temp_fan_off = <35>;
-			temp_fan_max = <50>;
-			temp_host_high = <70>;
-			temp_host_halt = <80>;
-			temp_host_release_high = <65>;
-			adc = <&adc_fan>;
-		};
-	};
-
-	vsby-psl-in-list {
-		/* Use PSL_IN1/2/3/4 as detection pins from hibernate mode */
-		psl-in-pads = <&psl_in1 &psl_in2 &psl_in3 &psl_in4>;
-		status = "okay";
-	};
-
-	/*
-	 * The CBI Second Source Factory Cache (SSFC) layout definition.
-	 * Specific fields values are defined per board.
-	 */
-	cbi-ssfc {
-		compatible = "named-cbi-ssfc";
-
-		cbi_ssfc_base_sensor: base_sensor {
-			enum-name = "BASE_SENSOR";
-			size = <3>;
-		};
-		cbi_ssfc_lid_sensor: lid_sensor {
-			enum-name = "LID_SENSOR";
-			size = <3>;
-		};
-		cbi_ssfc_lightbar: lightbar {
-			enum-name = "LIGHTBAR";
-			size = <2>;
-		};
-	};
-};
-
-&uart1 {
-	status = "okay";
-	current-speed = <115200>;
-	pinctrl-0 = <&altc_uart1_sl2>; /* Use UART1_SL2 ie. PIN64.65 */
-};
-
-&i2c0_0 {
-	status = "okay";
-	clock-frequency = <I2C_BITRATE_FAST>;
-};
-
-&i2c_ctrl0 {
-	status = "okay";
-};
-
-&i2c1_0 {
-	status = "okay";
-	clock-frequency = <I2C_BITRATE_FAST_PLUS>;
-};
-
-&i2c_ctrl1 {
-	status = "okay";
-};
-
-&i2c2_0 {
-	status = "okay";
-	clock-frequency = <I2C_BITRATE_FAST_PLUS>;
-};
-
-&i2c_ctrl2 {
-	status = "okay";
-};
-
-&i2c3_0 {
-	status = "okay";
-	clock-frequency = <I2C_BITRATE_STANDARD>;
-};
-
-&i2c_ctrl3 {
-	status = "okay";
-};
-
-&i2c5_0 {
-	status = "okay";
-	clock-frequency = <I2C_BITRATE_STANDARD>;
-};
-
-&i2c_ctrl5 {
-	status = "okay";
-};
-
-&i2c7_0 {
-	status = "okay";
-	clock-frequency = <I2C_BITRATE_FAST>;
-
-	isl9241: isl9241@9 {
-		compatible = "intersil,isl9241";
-		reg = <0x09>;
-		label = "ISL9241_CHARGER";
-		switching-frequency = <SWITCHING_FREQ_724KHZ>;
-	};
-};
-
-&i2c_ctrl7 {
-	status = "okay";
-};
-
-&cros_kb_raw {
-	status = "okay";
-	/* No KSO2 (it's inverted and implemented by GPIO) */
-	pinctrl-0 = <&alt7_no_ksi0_sl
-		     &alt7_no_ksi1_sl
-		     &alt7_no_ksi2_sl
-		     &alt7_no_ksi3_sl
-		     &alt7_no_ksi4_sl
-		     &alt7_no_ksi5_sl
-		     &alt7_no_ksi6_sl
-		     &alt7_no_ksi7_sl
-		     &alt8_no_kso00_sl
-		     &alt8_no_kso01_sl
-		     &alt8_no_kso03_sl
-		     &alt8_no_kso04_sl
-		     &alt8_no_kso05_sl
-		     &alt8_no_kso06_sl
-		     &alt8_no_kso07_sl
-		     &alt9_no_kso08_sl
-		     &alt9_no_kso09_sl
-		     &alt9_no_kso10_sl
-		     &alt9_no_kso11_sl
-		     &alt9_no_kso12_sl
-		     &alt9_no_kso13_sl
-		     &alt9_no_kso14_sl
-		     >;
-};
-
-&adc0 {
-	status = "okay";
-};
-
-/* Power switch logic input pads */
-&psl_in1 {
-	flag = <NPCX_PSL_RISING_EDGE>;
-};
-
-&psl_in2 {
-	flag = <NPCX_PSL_RISING_EDGE>;
-};
-
-&psl_in3 {
-	flag = <NPCX_PSL_FALLING_EDGE>;
-};
-
-&psl_in4 {
-	flag = <NPCX_PSL_RISING_EDGE>;
-};
-
-&thermistor_3V3_30K9_47K_4050B {
-	status = "okay";
-};
diff --git a/zephyr/boards/arm/volteer/volteer_defconfig b/zephyr/boards/arm/volteer/volteer_defconfig
deleted file mode 100644
index db34ab2610..0000000000
--- a/zephyr/boards/arm/volteer/volteer_defconfig
+++ /dev/null
@@ -1,54 +0,0 @@
-# Copyright 2021 The Chromium OS Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-# Zephyr Kernel Configuration
-CONFIG_SOC_SERIES_NPCX7=y
-CONFIG_SOC_NPCX7M7FC=y
-
-# Platform Configuration
-CONFIG_BOARD_VOLTEER=y
-
-# Serial Drivers
-CONFIG_SERIAL=y
-CONFIG_UART_INTERRUPT_DRIVEN=y
-
-# Enable console
-CONFIG_CONSOLE=y
-CONFIG_UART_CONSOLE=y
-
-# Pinmux Driver
-CONFIG_PINMUX=y
-
-# GPIO Controller
-CONFIG_GPIO=y
-
-# Clock configuration
-CONFIG_CLOCK_CONTROL=y
-
-# WATCHDOG configuration
-CONFIG_WATCHDOG=y
-
-# ADC
-# The resolution and oversamplig values are fixed by the NPCX ADC driver
-CONFIG_ADC=y
-CONFIG_ADC_SHELL=n
-
-# Power Management
-CONFIG_PM=y
-CONFIG_PM_DEVICE=y
-CONFIG_PM_POLICY_APP=y
-CONFIG_UART_CONSOLE_INPUT_EXPIRED=y
-CONFIG_NPCX_PM_TRACE=y
-
-# BBRAM
-CONFIG_BBRAM=y
-CONFIG_BBRAM_NPCX=y
-
-# SPI
-CONFIG_SPI=y
-
-# Flash
-CONFIG_FLASH=y
-CONFIG_SPI_NOR=y
-CONFIG_FLASH_JESD216_API=y