From: Igor Belwon <igor.belwon@mentallysanemainliners.org>
Date: Thu, 10 Jul 2025 16:50:09 +0000 (+0200)
Subject: arm64: dts: exynos990-r8s: Enable USB
X-Git-Tag: v6.18-rc1~147^2~44^2~14
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=e28c1117deda5a80df14b579170c1a90fc82bf5f;p=thirdparty%2Fkernel%2Flinux.git

arm64: dts: exynos990-r8s: Enable USB

Enable both the USB PHY as well as the DWC3 controller nodes.

Since we do not have any PMIC for USB implemented yet, use dummy
regulators until we do.

Signed-off-by: Igor Belwon <igor.belwon@mentallysanemainliners.org>
Link: https://lore.kernel.org/r/20250710-resends-july-exynos990-dt-v2-5-55033f73d1b0@mentallysanemainliners.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---

diff --git a/arch/arm64/boot/dts/exynos/exynos990-r8s.dts b/arch/arm64/boot/dts/exynos/exynos990-r8s.dts
index 6bae3c0ecc1ca..55342db61979b 100644
--- a/arch/arm64/boot/dts/exynos/exynos990-r8s.dts
+++ b/arch/arm64/boot/dts/exynos/exynos990-r8s.dts
@@ -44,6 +44,12 @@
 		      <0x8 0x80000000 0x0 0xc0000000>;
 	};
 
+	/* TODO: Remove this once PMIC is implemented */
+	reg_dummy: regulator-0 {
+		compatible = "regulator-fixed";
+		regulator-name = "dummy_reg";
+	};
+
 	reserved-memory {
 		#address-cells = <2>;
 		#size-cells = <2>;
@@ -113,3 +119,13 @@
 		samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
 	};
 };
+
+&usbdrd {
+	status = "okay";
+	vdd10-supply = <&reg_dummy>;
+	vdd33-supply = <&reg_dummy>;
+};
+
+&usbdrd_phy {
+	status = "okay";
+};