linux-kernel - [PATCH 04/12] ARM: dts: exynos: add USB DWC3 supplies to Chromebook Snow

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Message-Id: <20220123111644.25540-5-krzysztof.kozlowski@canonical.com>
Date:   Sun, 23 Jan 2022 12:16:36 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        linux-usb@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 04/12] ARM: dts: exynos: add USB DWC3 supplies to Chromebook Snow

Add required voltage regulators for USB DWC3 block on Exynos5250
Chromebook Snow board.  Due to lack of board schematics, use same
regulators as on Arndale board.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
---
 arch/arm/boot/dts/exynos5250-snow-common.dtsi | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm/boot/dts/exynos5250-snow-common.dtsi b/arch/arm/boot/dts/exynos5250-snow-common.dtsi
index 2335c4687349..ccb32d53d598 100644
--- a/arch/arm/boot/dts/exynos5250-snow-common.dtsi
+++ b/arch/arm/boot/dts/exynos5250-snow-common.dtsi
@@ -698,6 +698,11 @@ &spi_1 {
 	cs-gpios = <&gpa2 5 GPIO_ACTIVE_HIGH>;
 };
 
+&usbdrd {
+	vdd10-supply = <&ldo15_reg>;
+	vdd33-supply = <&ldo12_reg>;
+};
+
 &usbdrd_dwc3 {
 	dr_mode = "host";
 };
-- 
2.32.0