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From:   Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
To:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>,
        linux-usb@vger.kernel.org, devicetree@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org,
        linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH 01/12] arm64: dts: exynos: add USB DWC3 supplies to Espresso board
Date:   Sun, 23 Jan 2022 12:16:33 +0100
Message-Id: <20220123111644.25540-2-krzysztof.kozlowski@canonical.com>
In-Reply-To: <20220123111644.25540-1-krzysztof.kozlowski@canonical.com>
References: <20220123111644.25540-1-krzysztof.kozlowski@canonical.com>
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Add required voltage regulators for USB DWC3 block on Exynos7 Espresso
board.  Due to lack of schematics of Espresso board, the choice of
regulators is approximate.  What bindings call VDD10, for Exynos7 should
be actually called VDD09 (0.9 V).  Use regulators with a matching
voltage range based on vendor sources for Meizu Pro 5 M576 handset (also
with Exynos7420).

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
---
 arch/arm64/boot/dts/exynos/exynos7-espresso.dts | 5 +++++
 arch/arm64/boot/dts/exynos/exynos7.dtsi         | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/exynos/exynos7-espresso.dts b/arch/arm64/boot/dts/exynos/exynos7-espresso.dts
index 125c03f351d9..4c45e689d34a 100644
--- a/arch/arm64/boot/dts/exynos/exynos7-espresso.dts
+++ b/arch/arm64/boot/dts/exynos/exynos7-espresso.dts
@@ -412,6 +412,11 @@ &ufs {
 	status = "okay";
 };
 
+&usbdrd {
+	vdd10-supply = <&ldo4_reg>;
+	vdd33-supply = <&ldo6_reg>;
+};
+
 &usbdrd_phy {
 	vbus-supply = <&usb30_vbus_reg>;
 	vbus-boost-supply = <&usb3drd_boost_5v>;
diff --git a/arch/arm64/boot/dts/exynos/exynos7.dtsi b/arch/arm64/boot/dts/exynos/exynos7.dtsi
index c3efbc8add38..01b4210d8b62 100644
--- a/arch/arm64/boot/dts/exynos/exynos7.dtsi
+++ b/arch/arm64/boot/dts/exynos/exynos7.dtsi
@@ -672,7 +672,7 @@ usbdrd_phy: phy@15500000 {
 			#phy-cells = <1>;
 		};
 
-		usbdrd3 {
+		usbdrd: usb {
 			compatible = "samsung,exynos7-dwusb3";
 			clocks = <&clock_fsys0 ACLK_USBDRD300>,
 			       <&clock_fsys0 SCLK_USBDRD300_SUSPENDCLK>,
-- 
2.32.0