From: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
Enable USB2.0 support on RZ/T2H and RZ/N2H EVKs.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
---
.../dts/renesas/r9a09g077m44-rzt2h-evk.dts | 36 ++++++++++++++++
.../dts/renesas/r9a09g087m44-rzn2h-evk.dts | 41 +++++++++++++++++++
.../dts/renesas/rzt2h-n2h-evk-common.dtsi | 22 ++++++++++
3 files changed, 99 insertions(+)
diff --git a/arch/arm64/boot/dts/renesas/r9a09g077m44-rzt2h-evk.dts b/arch/arm64/boot/dts/renesas/r9a09g077m44-rzt2h-evk.dts
index 264f7ddb8cc5..bcd779cd51a2 100644
--- a/arch/arm64/boot/dts/renesas/r9a09g077m44-rzt2h-evk.dts
+++ b/arch/arm64/boot/dts/renesas/r9a09g077m44-rzt2h-evk.dts
@@ -29,6 +29,28 @@
*/
#define SD1_MICRO_SD 1
+/*
+ * USB Pin Configuration:
+ *
+ * This board is equipped with three USB connectors: Type-A (CN80), Mini-B (CN79),
+ * and Micro-AB (CN33). The RZ/T2H SoC has a single USB channel, so either the USB
+ * host interface or the USB function interface can be used, but not both at the
+ * same time.
+ *
+ * By default, the Type-A (CN80) and Mini-B (CN79) connectors are enabled.
+ * Configure the switches as follows:
+ * - P00_0 - P00_2 (control signals for USB power supply): SW1[5] = ON
+ * - USB_VBUSIN (used for USB function): SW7[7] = OFF; SW7[8] = ON
+ * - USB_VBUSEN (used for USB_HF_VBUSEN): SW7[9] = OFF; SW7[10] = ON
+ *
+ * To enable the Micro-AB (CN33) USB OTG connector, set the following macro to 1
+ * and configure the switches as follows:
+ * - P00_0 - P00_2 (control signals for USB power supply): SW1[5] = ON
+ * - USB_VBUSIN (used for USB OTG): SW7[7] = ON; SW7[8] = OFF
+ * - USB_VBUSEN (used for USB_OTG_VBUSEN): SW7[9] = ON; SW7[10] = OFF
+ */
+#define USB_OTG 0
+
#include "rzt2h-n2h-evk-common.dtsi"
/ {
@@ -145,4 +167,18 @@ i2c1_pins: i2c1-pins {
pinmux = <RZT2H_PORT_PINMUX(5, 0, 0x17)>, /* SDA */
<RZT2H_PORT_PINMUX(4, 7, 0x17)>; /* SCL */
};
+
+#if USB_OTG
+ usb-exicen-hog {
+ gpio-hog;
+ gpios = <RZT2H_GPIO(0, 2) GPIO_ACTIVE_HIGH>;
+ output-high;
+ line-name = "usb_exicen_a";
+ };
+#endif
+
+ usb_pins: usb-pins {
+ pinmux = <RZT2H_PORT_PINMUX(0, 0, 0x13)>, /* VBUS */
+ <RZT2H_PORT_PINMUX(0, 1, 0x13)>; /* OVRCUR */
+ };
};
diff --git a/arch/arm64/boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts b/arch/arm64/boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts
index 80f358fb2d74..b98b0f7c1128 100644
--- a/arch/arm64/boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts
+++ b/arch/arm64/boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts
@@ -33,6 +33,33 @@
*/
#define SD1_MICRO_SD 1
+/*
+ * USB Pin Configuration:
+ *
+ * This board is equipped with three USB connectors: Type-A (CN7), Mini-B (CN8),
+ * and Micro-AB (CN9). The RZ/N2H SoC has a single USB channel, so either the USB
+ * host interface or the USB function interface can be used, but not both at the
+ * same time.
+ *
+ * By default, the Type-A (CN7) and Mini-B (CN8) connectors are enabled.
+ * Configure the switches as follows:
+ * - P02_2 - P02_3 (control signals for USB power supply): DSW2[6] = OFF;
+ * - P02_2 (used for VBUSEN): DSW14[5] = OFF; DSW14[6] = ON
+ * - P02_3 (used for USB_OVRCUR): DSW14[1] = OFF; DSW14[2] = ON
+ * - USB_VBUSIN (used for VBUS of CN8 for function): DSW16[1] = OFF; DSW16[2] = ON
+ * - USB_VBUSEN (used for USB_HF_VBUSEN): DSW16[3] = OFF; DSW16[4] = ON
+ *
+ * To enable the Micro-AB (CN9) USB OTG connector, set the following macro to 1
+ * and configure the switches as follows:
+ * - P02_2 - P02_3 (control signals for USB power supply): DSW2[6] = OFF;
+ * - P02_2 (used for VBUSEN): DSW14[5] = OFF; DSW14[6] = ON
+ * - P02_3 (used for USB_OVRCUR): DSW14[1] = OFF; DSW14[2] = ON
+ * - USB_VBUSIN (used for VBUS of CN9 for OTG): DSW16[1] = ON; DSW16[2] = OFF
+ * - USB_VBUSEN (used for USB_OTG_VBUSEN): DSW16[3] = ON; DSW16[4] = OFF
+ * - USB_EXICEN (used for USB OTG EXICEN): DSW14[3] = OFF; DSW14[4] = ON
+ */
+#define USB_OTG 0
+
#include "rzt2h-n2h-evk-common.dtsi"
/*
@@ -185,4 +212,18 @@ i2c1_pins: i2c1-pins {
pinmux = <RZT2H_PORT_PINMUX(3, 3, 0x17)>,
<RZT2H_PORT_PINMUX(3, 4, 0x17)>;
};
+
+#if USB_OTG
+ usb-exicen-hog {
+ gpio-hog;
+ gpios = <RZT2H_GPIO(2, 4) GPIO_ACTIVE_HIGH>;
+ output-high;
+ line-name = "usb_exicen_a";
+ };
+#endif
+
+ usb_pins: usb-pins {
+ pinmux = <RZT2H_PORT_PINMUX(2, 2, 0x13)>, /* VBUS */
+ <RZT2H_PORT_PINMUX(2, 3, 0x13)>; /* OVRCUR */
+ };
};
diff --git a/arch/arm64/boot/dts/renesas/rzt2h-n2h-evk-common.dtsi b/arch/arm64/boot/dts/renesas/rzt2h-n2h-evk-common.dtsi
index 91068042bec0..5c91002c99c4 100644
--- a/arch/arm64/boot/dts/renesas/rzt2h-n2h-evk-common.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzt2h-n2h-evk-common.dtsi
@@ -65,10 +65,20 @@ vccq_sdhi1: regulator-vccq-sdhi1 {
#endif
};
+&ehci {
+ dr_mode = "otg";
+ status = "okay";
+};
+
&extal_clk {
clock-frequency = <25000000>;
};
+&hsusb {
+ dr_mode = "otg";
+ status = "okay";
+};
+
&i2c0 {
eeprom: eeprom@50 {
compatible = "renesas,r1ex24016", "atmel,24c16";
@@ -77,6 +87,11 @@ eeprom: eeprom@50 {
};
};
+&ohci {
+ dr_mode = "otg";
+ status = "okay";
+};
+
&pinctrl {
/*
* SCI0 Pin Configuration:
@@ -218,6 +233,13 @@ &sdhi1 {
};
#endif
+&usb2_phy {
+ pinctrl-0 = <&usb_pins>;
+ pinctrl-names = "default";
+
+ status = "okay";
+};
+
&wdt2 {
status = "okay";
timeout-sec = <60>;
--
2.51.0
