boards: renesas: add support for USBFS port on Renesas RA boards

Add USB support on USBFS port on these boards:
- RA8: ek_ra8m1, ek_ra8d1, mck_ra8t1
- RA6: ek_ra6m1, ek_ra6m2, ek_ra6m3, ek_ra6m4, ek_ra6m5
- RA4: ek_ra4m2, ek_ra4m3, voice_ra4e1

Signed-off-by: The Nguyen <the.nguyen.yf@renesas.com>

boards/renesas/ek_ra4m2/doc/index.rst

@@ -114,6 +114,8 @@ The below features are currently supported on Zephyr OS for EK-RA4M2 board:
 +-----------+------------+----------------------+
 | DAC       | on-chip    | dac                  |
 +-----------+------------+----------------------+
+| USBFS     | on-chip    | udc                  |
++-----------+------------+----------------------+
 
 Other hardware features are currently not supported by the port.
 

boards/renesas/ek_ra4m2/ek_ra4m2-pinctrl.dtsi

@@ -54,4 +54,12 @@
 			drive-strength = "medium";
 		};
 	};
+
+	usbfs_default: usbfs_default {
+		group1 {
+			/* USB_VBUS */
+			psels = <RA_PSEL(RA_PSEL_USBFS, 4, 7)>;
+			drive-strength = "high";
+		};
+	};
 };

boards/renesas/ek_ra4m2/ek_ra4m2.dts

@@ -79,6 +79,19 @@
 	status = "okay";
 };
 
+&pll2 {
+	clocks = <&xtal>;
+	div = <2>;
+	mul = <20 0>;
+	status = "okay";
+};
+
+&uclk {
+	clocks = <&pll2>;
+	div = <5>;
+	status = "okay";
+};
+
 &sci0 {
 	pinctrl-0 = <&sci0_default>;
 	pinctrl-names = "default";
@@ -160,3 +173,13 @@
 &trng {
 	status = "okay";
 };
+
+&usbfs {
+	pinctrl-0 = <&usbfs_default>;
+	pinctrl-names = "default";
+	maximum-speed = "full-speed";
+	status = "okay";
+	zephyr_udc0: udc {
+		status = "okay";
+	};
+};

boards/renesas/ek_ra4m2/ek_ra4m2.yaml

@@ -10,3 +10,5 @@ toolchain:
 supported:
   - gpio
   - uart
+  - usbd
+vendor: renesas

boards/renesas/ek_ra4m3/doc/index.rst

@@ -116,6 +116,8 @@ The below features are currently supported on Zephyr OS for EK-RA4M3 board:
 +-----------+------------+----------------------+
 | DAC       | on-chip    | dac                  |
 +-----------+------------+----------------------+
+| USBFS     | on-chip    | udc                  |
++-----------+------------+----------------------+
 
 Other hardware features are currently not supported by the port.
 

boards/renesas/ek_ra4m3/ek_ra4m3-pinctrl.dtsi

@@ -54,4 +54,12 @@
 			drive-strength = "medium";
 		};
 	};
+
+	usbfs_default: usbfs_default {
+		group1 {
+			/* USB_VBUS */
+			psels = <RA_PSEL(RA_PSEL_USBFS, 4, 7)>;
+			drive-strength = "high";
+		};
+	};
 };

boards/renesas/ek_ra4m3/ek_ra4m3.dts

@@ -79,6 +79,19 @@
 	status = "okay";
 };
 
+&pll2 {
+	clocks = <&xtal>;
+	div = <3>;
+	mul = <24 0>;
+	status = "okay";
+};
+
+&uclk {
+	clocks = <&pll2>;
+	div = <4>;
+	status = "okay";
+};
+
 &sci0 {
 	pinctrl-0 = <&sci0_default>;
 	pinctrl-names = "default";
@@ -160,3 +173,13 @@
 &trng {
 	status = "okay";
 };
+
+&usbfs {
+	pinctrl-0 = <&usbfs_default>;
+	pinctrl-names = "default";
+	maximum-speed = "full-speed";
+	status = "okay";
+	zephyr_udc0: udc {
+		status = "okay";
+	};
+};

boards/renesas/ek_ra4m3/ek_ra4m3.yaml

@@ -10,3 +10,5 @@ toolchain:
 supported:
   - gpio
   - uart
+  - usbd
+vendor: renesas

boards/renesas/ek_ra6m1/doc/index.rst

@@ -108,6 +108,8 @@ The below features are currently supported on Zephyr OS for EK-RA6M1 board:
 +-----------+------------+----------------------+
 | DAC       | on-chip    | dac                  |
 +-----------+------------+----------------------+
+| USBFS     | on-chip    | udc                  |
++-----------+------------+----------------------+
 
 Other hardware features are currently not supported by the port.
 

boards/renesas/ek_ra6m1/ek_ra6m1-pinctrl.dtsi

@@ -54,4 +54,12 @@
 				<RA_PSEL(RA_PSEL_GPT1, 4, 6)>;
 		};
 	};
+
+	usbfs_default: usbfs_default {
+		group1 {
+			/* USB_VBUS */
+			psels = <RA_PSEL(RA_PSEL_USBFS, 4, 7)>;
+			drive-strength = "high";
+		};
+	};
 };

boards/renesas/ek_ra6m1/ek_ra6m1.dts

@@ -142,3 +142,19 @@
 		};
 	};
 };
+
+&uclk {
+	clocks = <&pll>;
+	div = <5>;
+	status = "okay";
+};
+
+&usbfs {
+	pinctrl-0 = <&usbfs_default>;
+	pinctrl-names = "default";
+	maximum-speed = "full-speed";
+	status = "okay";
+	zephyr_udc0: udc {
+		status = "okay";
+	};
+};

boards/renesas/ek_ra6m1/ek_ra6m1.yaml

@@ -10,3 +10,5 @@ toolchain:
 supported:
   - gpio
   - uart
+  - usbd
+vendor: renesas

boards/renesas/ek_ra6m2/doc/index.rst

@@ -102,6 +102,8 @@ The below features are currently supported on Zephyr OS for EK-RA6M2 board:
 +-----------+------------+----------------------+
 | DAC       | on-chip    | dac                  |
 +-----------+------------+----------------------+
+| USBFS     | on-chip    | udc                  |
++-----------+------------+----------------------+
 
 Other hardware features are currently not supported by the port.
 

boards/renesas/ek_ra6m2/ek_ra6m2-pinctrl.dtsi

@@ -54,4 +54,12 @@
 				<RA_PSEL(RA_PSEL_GPT1, 4, 6)>;
 		};
 	};
+
+	usbfs_default: usbfs_default {
+		group1 {
+			/* USB_VBUS */
+			psels = <RA_PSEL(RA_PSEL_USBFS, 4, 7)>;
+			drive-strength = "high";
+		};
+	};
 };

boards/renesas/ek_ra6m2/ek_ra6m2.dts

@@ -138,3 +138,19 @@
 		};
 	};
 };
+
+&uclk {
+	clocks = <&pll>;
+	div = <5>;
+	status = "okay";
+};
+
+&usbfs {
+	pinctrl-0 = <&usbfs_default>;
+	pinctrl-names = "default";
+	maximum-speed = "full-speed";
+	status = "okay";
+	zephyr_udc0: udc {
+		status = "okay";
+	};
+};

boards/renesas/ek_ra6m2/ek_ra6m2.yaml

@@ -9,3 +9,5 @@ toolchain:
   - gnuarmemb
 supported:
   - gpio
+  - usbd
+vendor: renesas

boards/renesas/ek_ra6m3/doc/index.rst

@@ -104,6 +104,8 @@ The below features are currently supported on Zephyr OS for EK-RA6M3 board:
 +-----------+------------+----------------------+
 | USBHS     | on-chip    | udc                  |
 +-----------+------------+----------------------+
+| USBFS     | on-chip    | udc                  |
++-----------+------------+----------------------+
 | ADC       | on-chip    | adc                  |
 +-----------+------------+----------------------+
 | PWM       | on-chip    | pwm                  |

boards/renesas/ek_ra6m3/ek_ra6m3-pinctrl.dtsi

@@ -61,4 +61,12 @@
 				<RA_PSEL(RA_PSEL_GPT1, 4, 6)>;
 		};
 	};
+
+	usbfs_default: usbfs_default {
+		group1 {
+			/* USB_VBUS */
+			psels = <RA_PSEL(RA_PSEL_USBFS, 11, 1)>;
+			drive-strength = "high";
+		};
+	};
 };

boards/renesas/ek_ra6m3/ek_ra6m3.dts

@@ -123,6 +123,12 @@
 	status ="okay";
 };
 
+&uclk {
+	clocks = <&pll>;
+	div = <5>;
+	status = "okay";
+};
+
 &usbhs {
 	pinctrl-0 = <&usbhs_default>;
 	pinctrl-names = "default";
@@ -179,3 +185,9 @@
 		};
 	};
 };
+
+&usbfs {
+	pinctrl-0 = <&usbfs_default>;
+	pinctrl-names = "default";
+	maximum-speed = "full-speed";
+};

boards/renesas/ek_ra6m3/ek_ra6m3.yaml

@@ -9,3 +9,5 @@ toolchain:
   - gnuarmemb
 supported:
   - gpio
+  - usbd
+vendor: renesas

boards/renesas/ek_ra6m4/doc/index.rst

@@ -117,6 +117,8 @@ The below features are currently supported on Zephyr OS for EK-RA6M4 board:
 +-----------+------------+----------------------+
 | DAC       | on-chip    | dac                  |
 +-----------+------------+----------------------+
+| USBFS     | on-chip    | udc                  |
++-----------+------------+----------------------+
 
 Other hardware features are currently not supported by the port.
 

boards/renesas/ek_ra6m4/ek_ra6m4-pinctrl.dtsi

@@ -54,4 +54,12 @@
 				<RA_PSEL(RA_PSEL_GPT1, 4, 6)>;
 		};
 	};
+
+	usbfs_default: usbfs_default {
+		group1 {
+			/* USB_VBUS */
+			psels = <RA_PSEL(RA_PSEL_USBFS, 4, 7)>;
+			drive-strength = "high";
+		};
+	};
 };

boards/renesas/ek_ra6m4/ek_ra6m4.dts

@@ -115,6 +115,13 @@
 	status = "okay";
 };
 
+&pll2 {
+	clocks = <&hoco>;
+	div = <2>;
+	mul = <24 0>;
+	status = "okay";
+};
+
 &pclka {
 	clocks = <&pll>;
 	div = <2>;
@@ -167,3 +174,19 @@
 &trng {
 	status = "okay";
 };
+
+&uclk {
+	clocks = <&pll2>;
+	div = <5>;
+	status = "okay";
+};
+
+&usbfs {
+	pinctrl-0 = <&usbfs_default>;
+	pinctrl-names = "default";
+	maximum-speed = "full-speed";
+	status = "okay";
+	zephyr_udc0: udc {
+		status = "okay";
+	};
+};

boards/renesas/ek_ra6m4/ek_ra6m4.yaml

@@ -9,3 +9,5 @@ toolchain:
   - gnuarmemb
 supported:
   - gpio
+  - usbd
+vendor: renesas

boards/renesas/ek_ra6m5/doc/index.rst

@@ -117,6 +117,8 @@ The below features are currently supported on Zephyr OS for EK-RA6M5 board:
 +-----------+------------+----------------------+
 | DAC       | on-chip    | dac                  |
 +-----------+------------+----------------------+
+| USBFS     | on-chip    | udc                  |
++-----------+------------+----------------------+
 
 Other hardware features are currently not supported by the port.
 

boards/renesas/ek_ra6m5/ek_ra6m5-pinctrl.dtsi

@@ -61,4 +61,12 @@
 				<RA_PSEL(RA_PSEL_GPT1, 4, 6)>;
 		};
 	};
+
+	usbfs_default: usbfs_default {
+		group1 {
+			/* USB_VBUS */
+			psels = <RA_PSEL(RA_PSEL_USBFS, 11, 1)>;
+			drive-strength = "high";
+		};
+	};
 };

boards/renesas/ek_ra6m5/ek_ra6m5.dts

@@ -111,6 +111,19 @@
 	status = "okay";
 };
 
+&pll2 {
+	clocks = <&xtal>;
+	div = <2>;
+	mul = <20 0>;
+	status = "okay";
+};
+
+&uclk {
+	clocks = <&pll2>;
+	div = <5>;
+	status = "okay";
+};
+
 &usbhs {
 	pinctrl-0 = <&usbhs_default>;
 	pinctrl-names = "default";
@@ -171,3 +184,9 @@
 &trng {
 	status = "okay";
 };
+
+&usbfs {
+	pinctrl-0 = <&usbfs_default>;
+	pinctrl-names = "default";
+	maximum-speed = "full-speed";
+};

boards/renesas/ek_ra6m5/ek_ra6m5.yaml

@@ -9,3 +9,5 @@ toolchain:
   - gnuarmemb
 supported:
   - gpio
+  - usbd
+vendor: renesas

boards/renesas/ek_ra8d1/doc/index.rst

@@ -114,6 +114,8 @@ The below features are currently supported on Zephyr OS for EK-RA8D1 board:
 +--------------+------------+-----------------------------------+
 | USBHS        | on-chip    | udc                               |
 +--------------+------------+-----------------------------------+
+| USBFS        | on-chip    | udc                               |
++--------------+------------+-----------------------------------+
 | DISPLAY      | on-chip    | LCDIF; MIPI-DSI. Tested with      |
 |              |            | :ref:`rtkmipilcdb00000be` shields |
 +--------------+------------+-----------------------------------+

boards/renesas/ek_ra8d1/ek_ra8d1-pinctrl.dtsi

@@ -269,4 +269,14 @@
 			drive-strength = "highspeed-high";
 		};
 	};
+
+	usbfs_default: usbfs_default {
+		group1 {
+			/* USBP USBN */
+			psels = <RA_PSEL(RA_PSEL_USBFS, 8, 15)>,
+				<RA_PSEL(RA_PSEL_USBFS, 8, 14)>,
+				<RA_PSEL(RA_PSEL_USBFS, 4, 7)>;
+			drive-strength = "high";
+		};
+	};
 };

boards/renesas/ek_ra8d1/ek_ra8d1.dts

@@ -103,6 +103,8 @@
 	};
 
 	pllq {
+		div = <4>;
+		freq = <DT_FREQ_M(240)>;
 		status = "okay";
 	};
 
@@ -130,6 +132,12 @@
 	status = "okay";
 };
 
+&uclk {
+	clocks = <&pllq>;
+	div = <5>;
+	status = "okay";
+};
+
 &ioport0 {
 	status = "okay";
 };
@@ -300,3 +308,9 @@ zephyr_mipi_dsi: &mipi_dsi {};
 renesas_mipi_i2c: &iic1{};
 
 pmod_sd_shield: &sdhc1 {};
+
+&usbfs {
+	pinctrl-0 = <&usbfs_default>;
+	pinctrl-names = "default";
+	maximum-speed = "full-speed";
+};

boards/renesas/ek_ra8d1/ek_ra8d1.yaml

@@ -10,3 +10,5 @@ toolchain:
 supported:
   - gpio
   - uart
+  - usbd
+vendor: renesas

boards/renesas/ek_ra8m1/doc/index.rst

@@ -114,6 +114,8 @@ The below features are currently supported on Zephyr OS for EK-RA8M1 board:
 +-----------+------------+----------------------+
 | USBHS     | on-chip    | udc                  |
 +-----------+------------+----------------------+
+| USBFS     | on-chip    | udc                  |
++-----------+------------+----------------------+
 | ETHERNET  | on-chip    | ethernet             |
 +-----------+------------+----------------------+
 | ADC       | on-chip    | adc                  |

boards/renesas/ek_ra8m1/ek_ra8m1-pinctrl.dtsi

@@ -146,4 +146,14 @@
 			drive-strength = "highspeed-high";
 		};
 	};
+
+	usbfs_default: usbfs_default {
+		group1 {
+			/* USBP USBN */
+			psels = <RA_PSEL(RA_PSEL_USBFS, 8, 15)>,
+				<RA_PSEL(RA_PSEL_USBFS, 8, 14)>,
+				<RA_PSEL(RA_PSEL_USBFS, 4, 7)>;
+			drive-strength = "high";
+		};
+	};
 };

boards/renesas/ek_ra8m1/ek_ra8m1.dts

@@ -140,6 +140,8 @@
 	};
 
 	pllq {
+		div = <4>;
+		freq = <DT_FREQ_M(240)>;
 		status = "okay";
 	};
 
@@ -161,6 +163,12 @@
 	status = "okay";
 };
 
+&uclk {
+	clocks = <&pllq>;
+	div = <5>;
+	status = "okay";
+};
+
 &ioport0 {
 	status = "okay";
 };
@@ -355,3 +363,9 @@ pmod_header: &pmod1_header {};
 };
 
 pmod_sd_shield: &sdhc0 {};
+
+&usbfs {
+	pinctrl-0 = <&usbfs_default>;
+	pinctrl-names = "default";
+	maximum-speed = "full-speed";
+};

boards/renesas/ek_ra8m1/ek_ra8m1.yaml

@@ -10,3 +10,5 @@ toolchain:
 supported:
   - gpio
   - uart
+  - usbd
+vendor: renesas

boards/renesas/mck_ra8t1/doc/index.rst

@@ -118,6 +118,8 @@ The below features are currently supported on Zephyr OS for MCB-RA8T1 board:
 +--------------+------------+----------------------+
 | DAC          | on-chip    | dac                  |
 +--------------+------------+----------------------+
+| USBFS        | on-chip    | udc                  |
++--------------+------------+----------------------+
 
 **Note:** For using SDHC module on EK-RA8M1, Connect microSD Card to microSD Socket (CN12)
 

boards/renesas/mck_ra8t1/mck_ra8t1-pinctrl.dtsi

@@ -103,4 +103,14 @@
 			drive-strength = "highspeed-high";
 		};
 	};
+
+	usbfs_default: usbfs_default {
+		group1 {
+			/* USBP USBN */
+			psels = <RA_PSEL(RA_PSEL_USBFS, 8, 15)>,
+				<RA_PSEL(RA_PSEL_USBFS, 8, 14)>,
+				<RA_PSEL(RA_PSEL_USBFS, 4, 7)>;
+			drive-strength = "high";
+		};
+	};
 };

boards/renesas/mck_ra8t1/mck_ra8t1.dts

@@ -68,6 +68,8 @@
 	};
 
 	pllq {
+		div = <4>;
+		freq = <DT_FREQ_M(240)>;
 		status = "okay";
 	};
 
@@ -88,6 +90,12 @@
 	status = "okay";
 };
 
+&uclk {
+	clocks = <&pllq>;
+	div = <5>;
+	status = "okay";
+};
+
 &ioport3 {
 	status = "okay";
 };
@@ -202,3 +210,13 @@
 		status = "okay";
 	};
 };
+
+&usbfs {
+	pinctrl-0 = <&usbfs_default>;
+	pinctrl-names = "default";
+	maximum-speed = "full-speed";
+	status = "okay";
+	zephyr_udc0: udc {
+		status = "okay";
+	};
+};

boards/renesas/mck_ra8t1/mck_ra8t1.yaml

@@ -10,3 +10,5 @@ toolchain:
 supported:
   - gpio
   - uart
+  - usbd
+vendor: renesas

boards/renesas/voice_ra4e1/doc/index.rst

@@ -76,6 +76,8 @@ The below features are currently supported on Zephyr for the ``voice_ra4e1`` boa
 +-----------+------------+----------------------+
 | FLASH     | on-chip    | flash                |
 +-----------+------------+----------------------+
+| USBFS     | on-chip    | udc                  |
++-----------+------------+----------------------+
 
 Other hardware features are currently not supported by the port.
 

boards/renesas/voice_ra4e1/voice_ra4e1-pinctrl.dtsi

@@ -11,4 +11,12 @@
 			<RA_PSEL(RA_PSEL_SCI_3, 4, 8)>;
 		};
 	};
+
+	usbfs_default: usbfs_default {
+		group1 {
+			/* USB_VBUS */
+			psels = <RA_PSEL(RA_PSEL_USBFS, 4, 7)>;
+			drive-strength = "high";
+		};
+	};
 };

boards/renesas/voice_ra4e1/voice_ra4e1.dts

@@ -60,6 +60,19 @@
 	status = "okay";
 };
 
+&pll2 {
+	clocks = <&hoco>;
+	div = <2>;
+	mul = <24 0>;
+	status = "okay";
+};
+
+&uclk {
+	clocks = <&pll2>;
+	div = <5>;
+	status = "okay";
+};
+
 &sci3 {
 	interrupts = <16 1>, <17 1>, <18 1>, <19 1>;
 	interrupt-names = "rxi", "txi", "tei", "eri";
@@ -110,3 +123,13 @@
 		};
 	};
 };
+
+&usbfs {
+	pinctrl-0 = <&usbfs_default>;
+	pinctrl-names = "default";
+	maximum-speed = "full-speed";
+	status = "okay";
+	zephyr_udc0: udc {
+		status = "okay";
+	};
+};

boards/renesas/voice_ra4e1/voice_ra4e1.yaml

@@ -10,3 +10,5 @@ toolchain:
 supported:
   - gpio
   - uart
+  - usbd
+vendor: renesas