From: Pritam Manohar Sutar <pritam.sutar@samsung.com>
To: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org,
alim.akhtar@samsung.com
Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org,
rosa.pila@samsung.com, dev.tailor@samsung.com,
faraz.ata@samsung.com, muhammed.ali@samsung.com,
selvarasu.g@samsung.com, pritam.sutar@samsung.com
Subject: [PATCH v2 2/3] arm64: dts: exynos: ExynosAutov920: Add regulators for the USB
Date: Thu, 22 Jan 2026 18:37:20 +0530 [thread overview]
Message-ID: <20260122130721.205664-3-pritam.sutar@samsung.com> (raw)
In-Reply-To: <20260122130721.205664-1-pritam.sutar@samsung.com>
Add dummy regulator for USB and PHY supplies.
Add vbus regulator that is enabled by GPIO pin.
Signed-off-by: Pritam Manohar Sutar <pritam.sutar@samsung.com>
---
.../boot/dts/exynos/exynosautov920-sadk.dts | 139 ++++++++++++++++++
1 file changed, 139 insertions(+)
diff --git a/arch/arm64/boot/dts/exynos/exynosautov920-sadk.dts b/arch/arm64/boot/dts/exynos/exynosautov920-sadk.dts
index a397f068ed53..f90f7704597c 100644
--- a/arch/arm64/boot/dts/exynos/exynosautov920-sadk.dts
+++ b/arch/arm64/boot/dts/exynos/exynosautov920-sadk.dts
@@ -52,6 +52,76 @@ memory@80000000 {
<0x8 0x80000000 0x1 0xfba00000>,
<0xa 0x00000000 0x2 0x00000000>;
};
+
+ /* TODO: Remove this once PMIC is implemented */
+ dummy_regulator: regulator-0 {
+ compatible = "regulator-fixed";
+ regulator-name = "dummy_regulator";
+ };
+
+ usbdrd31_dwc3_vbus: usbdrd31_dwc3-vbus {
+ compatible = "regulator-fixed";
+ regulator-name = "usbdrd31_dwc3-vbus";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ enable-active-high;
+ regulator-always-on;
+ gpio = <&gpp2 0 GPIO_ACTIVE_HIGH>;
+ };
+
+ /* Use gpio for enabling vbus regulator */
+ usb_phy0: usb-phy0 {
+ compatible = "usb-nop-xceiv";
+ vbus-supply = <&usbdrd31_dwc3_vbus>;
+ };
+
+ usbdrd20_dwc3_0_vbus: usbdrd20_dwc3_0-vbus {
+ compatible = "regulator-fixed";
+ regulator-name = "usbdrd20_dwc3_0-vbus";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ enable-active-high;
+ regulator-always-on;
+ gpio = <&gpp2 1 GPIO_ACTIVE_HIGH>;
+ };
+
+ /* Use gpio for enabling vbus regulator */
+ usb_phy1: usb-phy1 {
+ compatible = "usb-nop-xceiv";
+ vbus-supply = <&usbdrd20_dwc3_0_vbus>;
+ };
+
+ usbdrd20_dwc3_1_vbus: usbdrd20_dwc3_1-vbus {
+ compatible = "regulator-fixed";
+ regulator-name = "usbdrd20_dwc3_1-vbus";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ enable-active-high;
+ regulator-always-on;
+ gpio = <&gpp2 2 GPIO_ACTIVE_HIGH>;
+ };
+
+ /* Use gpio for enabling vbus regulator */
+ usb_phy2: usb-phy2 {
+ compatible = "usb-nop-xceiv";
+ vbus-supply = <&usbdrd20_dwc3_1_vbus>;
+ };
+
+ usbdrd20_dwc3_2_vbus: usbdrd20_dwc3_2-vbus {
+ compatible = "regulator-fixed";
+ regulator-name = "usbdrd20_dwc3_2-vbus";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ enable-active-high;
+ regulator-always-on;
+ gpio = <&gpp2 3 GPIO_ACTIVE_HIGH>;
+ };
+
+ /* Use gpio for enabling vbus regulator */
+ usb_phy3: usb-phy3 {
+ compatible = "usb-nop-xceiv";
+ vbus-supply = <&usbdrd20_dwc3_2_vbus>;
+ };
};
&pinctrl_alive {
@@ -86,3 +156,72 @@ &usi_0 {
&xtcxo {
clock-frequency = <38400000>;
};
+
+&usbdrd31_ssphy {
+ dvdd-supply = <&dummy_regulator>;
+ vdd18-supply = <&dummy_regulator>;
+};
+
+&usbdrd31_hsphy {
+ dvdd-supply = <&dummy_regulator>;
+ vdd18-supply = <&dummy_regulator>;
+ vdd33-supply = <&dummy_regulator>;
+};
+
+&usbdrd31_dwc3 {
+ maximum-speed = "super-speed-plus";
+ usb-phy = <&usb_phy0>;
+};
+
+&usbdrd31 {
+ vdd10-supply = <&dummy_regulator>;
+ vdd33-supply = <&dummy_regulator>;
+};
+
+&usbdrd20_phy0 {
+ dvdd-supply = <&dummy_regulator>;
+ vdd18-supply = <&dummy_regulator>;
+ vdd33-supply = <&dummy_regulator>;
+};
+
+&usbdrd20_dwc3_0 {
+ maximum-speed = "high-speed";
+ usb-phy = <&usb_phy1>;
+};
+
+&usbdrd20_0 {
+ vdd10-supply = <&dummy_regulator>;
+ vdd33-supply = <&dummy_regulator>;
+};
+
+&usbdrd20_phy1 {
+ dvdd-supply = <&dummy_regulator>;
+ vdd18-supply = <&dummy_regulator>;
+ vdd33-supply = <&dummy_regulator>;
+};
+
+&usbdrd20_dwc3_1 {
+ maximum-speed = "high-speed";
+ usb-phy = <&usb_phy2>;
+};
+
+&usbdrd20_1 {
+ vdd10-supply = <&dummy_regulator>;
+ vdd33-supply = <&dummy_regulator>;
+};
+
+&usbdrd20_phy2 {
+ dvdd-supply = <&dummy_regulator>;
+ vdd18-supply = <&dummy_regulator>;
+ vdd33-supply = <&dummy_regulator>;
+};
+
+&usbdrd20_dwc3_2 {
+ maximum-speed = "high-speed";
+ usb-phy = <&usb_phy3>;
+};
+
+&usbdrd20_2 {
+ vdd10-supply = <&dummy_regulator>;
+ vdd33-supply = <&dummy_regulator>;
+};
--
2.34.1
next prev parent reply other threads:[~2026-01-22 12:51 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20260122125130epcas5p4ac37f540c609f3016ff02f5708e897a2@epcas5p4.samsung.com>
2026-01-22 13:07 ` [PATCH v2 0/3] Add and enable USB nodes for ExynosAutov920 SoC Pritam Manohar Sutar
2026-01-22 13:07 ` [PATCH v2 1/3] arm64: dts: exynos: ExynosAutov920: Add USB and USB-phy nodes Pritam Manohar Sutar
2026-01-22 13:07 ` Pritam Manohar Sutar [this message]
2026-01-22 13:34 ` [PATCH v2 2/3] arm64: dts: exynos: ExynosAutov920: Add regulators for the USB Krzysztof Kozlowski
2026-02-12 11:37 ` pritam.sutar
2026-02-15 8:57 ` Krzysztof Kozlowski
2026-02-18 9:28 ` pritam.sutar
2026-02-18 19:54 ` Krzysztof Kozlowski
2026-03-04 7:46 ` pritam.sutar
2026-03-04 8:08 ` Krzysztof Kozlowski
2026-01-22 13:07 ` [PATCH v2 3/3] arm64: dts: exynos: ExynosAutov920: Enable USB nodes Pritam Manohar Sutar
2026-01-22 13:35 ` Krzysztof Kozlowski
2026-01-23 7:29 ` Pritam Manohar Sutar
2026-01-23 7:59 ` Pritam Manohar Sutar
2026-01-23 8:05 ` Krzysztof Kozlowski
2026-02-12 11:40 ` pritam.sutar
2026-01-28 7:36 ` Krzysztof Kozlowski
2026-02-12 11:42 ` pritam.sutar
2026-01-22 17:15 ` [PATCH v2 0/3] Add and enable USB nodes for ExynosAutov920 SoC Rob Herring
2026-01-23 6:23 ` Pritam Manohar Sutar
2026-01-23 7:31 ` Krzysztof Kozlowski
2026-02-12 11:48 ` pritam.sutar
2026-01-28 7:38 ` Krzysztof Kozlowski
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