boards: Convert legend to HWM v2

Port the board to HWMv2.

Signed-off-by: Erwan Gouriou <erwan.gouriou@st.com>

boards/v2/seagate/index.rst

@@ -0,0 +1,10 @@
+.. _boards-seagate:
+
+Seagate
+#######
+
+.. toctree::
+   :maxdepth: 1
+   :glob:
+
+   **/*

boards/v2/seagate/legend/Kconfig.defconfig

@@ -5,9 +5,6 @@
 
 if BOARD_LEGEND
 
-config BOARD
-	default "legend"
-
 config SPI_STM32_INTERRUPT
 	default y
 	depends on SPI

boards/v2/seagate/legend/Kconfig.legend

@@ -1,8 +1,5 @@
-# Legend board family configuration
-
 # Copyright (c) 2021 Seagate Technology
 # SPDX-License-Identifier: Apache-2.0
 
 config BOARD_LEGEND
-	bool "Legend board"
-	depends on SOC_STM32F070XB
+	select SOC_STM32F070XB

boards/v2/seagate/legend/board.yml

@@ -0,0 +1,7 @@
+board:
+  name: legend
+  vendor: seagate
+  revision:
+    format: custom
+  socs:
+    - name: stm32f070xb

boards/v2/seagate/legend/legend_defconfig

@@ -1,11 +1,7 @@
 # SPDX-License-Identifier: Apache-2.0
 
 # Zephyr Kernel Configuration
-CONFIG_SOC_SERIES_STM32F0X=y
-
 # Platform Configuration
-CONFIG_SOC_STM32F070XB=y
-
 # Serial Drivers
 CONFIG_SERIAL=y
 CONFIG_UART_INTERRUPT_DRIVEN=y

boards/v2/seagate/legend/legend_stm32f070xb_25hdd.overlay

@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2021 Seagate Technology LLC
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/ {
+	model = "Seagate Legend 2.5 HDD board";
+	compatible = "legend25_hdd", "seagate,legend25_hdd";
+
+	aliases {
+		pwm-led0 = &pwm_led0;
+		led-strip = &led_strip_spi;
+	};
+
+	led_pwm: pwmleds {
+		compatible = "pwm-leds";
+		label = "LED PWM";
+
+		pwm_led0: pwm_led_0 {
+			label = "Activity LED";
+			pwms = <&pwm3 3 PWM_MSEC(20) PWM_POLARITY_NORMAL>;
+		};
+	};
+};
+
+&clk_hsi {
+	status = "okay";
+};
+
+&pll {
+	clocks = <&clk_hsi>;
+	prediv = <1>;
+	mul = <6>;
+	status = "okay";
+};
+
+&rcc {
+	clocks = <&pll>;
+	clock-frequency = <DT_FREQ_M(48)>;
+	ahb-prescaler = <1>;
+	apb1-prescaler = <1>;
+};
+
+&led_strip_spi {
+	chain-length = <6>;
+	status = "okay";
+};
+
+&timers3 {
+	status = "okay";
+};
+
+&pwm3 {
+	status = "okay";
+};

boards/v2/seagate/legend/legend_stm32f070xb_25ssd.overlay

@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2021 Seagate Technology LLC
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/ {
+	model = "Seagate Legend 2.5 SSD board";
+	compatible = "legend25_ssd", "seagate,legend25_ssd";
+
+	aliases {
+		led-strip = &led_strip_spi;
+	};
+};
+
+&clk_hse {
+	clock-frequency = <DT_FREQ_M(24)>; /* 24MHz external clock */
+	status = "okay";
+};
+
+&pll {
+	clocks = <&clk_hse>;
+	prediv = <1>;
+	mul = <2>;
+	status = "okay";
+};
+
+&rcc {
+	clocks = <&pll>;
+	clock-frequency = <DT_FREQ_M(48)>;
+	ahb-prescaler = <1>;
+	apb1-prescaler = <1>;
+};
+
+&led_strip_spi {
+	chain-length = <4>;
+	status = "okay";
+};
+
+&usb {
+	status = "okay";
+};

boards/v2/seagate/legend/legend_stm32f070xb_35.overlay

@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2021 Seagate Technology LLC
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/ {
+	model = "Seagate Legend 3.5 board";
+	compatible = "legend35", "seagate,legend35";
+
+	aliases {
+		pwm-led0 = &pwm_led0;
+		led-strip = &led_strip_spi;
+	};
+
+	led_pwm: pwmleds {
+		compatible = "pwm-leds";
+		label = "LED PWM";
+
+		pwm_led0: pwm_led_0 {
+			label = "Activity LED";
+			pwms = <&pwm3 3 PWM_MSEC(20) PWM_POLARITY_NORMAL>;
+		};
+	};
+};
+
+&clk_hse {
+	clock-frequency = <DT_FREQ_M(24)>; /* 24MHz external clock */
+	status = "okay";
+};
+
+&pll {
+	clocks = <&clk_hse>;
+	prediv = <1>;
+	mul = <2>;
+	status = "okay";
+};
+
+&rcc {
+	clocks = <&pll>;
+	clock-frequency = <DT_FREQ_M(48)>;
+	ahb-prescaler = <1>;
+	apb1-prescaler = <1>;
+};
+
+&led_strip_spi {
+	chain-length = <12>;
+	status = "okay";
+};
+
+
+&timers3 {
+	status = "okay";
+};
+
+&pwm3 {
+	status = "okay";
+};
+
+&usb {
+	status = "okay";
+};