arm64: dts: exynos: add USB DWC3 supplies to Espresso board

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>
Link: https://lore.kernel.org/r/20220123111644.25540-2-krzysztof.kozlowski@canonical.com

diff --git a/arch/arm64/boot/dts/exynos/exynos7-espresso.dts b/arch/arm64/boot/dts/exynos/exynos7-espresso.dts
index 125c03f351d97c48e075b730303b051e771a75a0..4c45e689d34a7561b84b8c20a087ace4f11dc8bc 100644 (file)
--- a/arch/arm64/boot/dts/exynos/exynos7-espresso.dts
+++ b/arch/arm64/boot/dts/exynos/exynos7-espresso.dts
@@ -412,6 +412,11 @@
        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 3e53ff2be455a348a2684a4d80695b94a2ff5397..960823b8247a91f85a44435a3be58dc9f6fab984 100644 (file)
--- a/arch/arm64/boot/dts/exynos/exynos7.dtsi
+++ b/arch/arm64/boot/dts/exynos/exynos7.dtsi
@@ -693,7 +693,7 @@
                        #phy-cells = <1>;
                };
 
-               usbdrd3 {
+               usbdrd: usb {
                        compatible = "samsung,exynos7-dwusb3";
                        clocks = <&clock_fsys0 ACLK_USBDRD300>,
                               <&clock_fsys0 SCLK_USBDRD300_SUSPENDCLK>,