linux-kernel - [PATCH 3/3] arm64: dts: renesas: beacon: Fix HSUSB ref clock references

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Date:   Wed, 30 Jun 2021 12:30:42 -0500
From:   Adam Ford <aford173@...il.com>
To:     linux-usb@...r.kernel.org
Cc:     aford@...conembedded.com, Adam Ford <aford173@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Magnus Damm <magnus.damm@...il.com>,
        Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-renesas-soc@...r.kernel.org
Subject: [PATCH 3/3] arm64: dts: renesas: beacon: Fix HSUSB ref clock references

The RZ/G2 boards expect there to be an external clock reference for
USBHS controller.  For the Beacon boards, this reference clock
is controlled by a programmable versaclock.  Because the RZ/G2
family has a special clock driver when using an external clock,
the third clock reference in the USBHS node needs to point to this
special clock, called usb2_clksel, and the 4th clock is the versaclock.

Signed-off-by: Adam Ford <aford173@...il.com>

diff --git a/arch/arm64/boot/dts/renesas/beacon-renesom-baseboard.dtsi b/arch/arm64/boot/dts/renesas/beacon-renesom-baseboard.dtsi
index e3c8b2fe143e..bcbf7eb5195b 100644
--- a/arch/arm64/boot/dts/renesas/beacon-renesom-baseboard.dtsi
+++ b/arch/arm64/boot/dts/renesas/beacon-renesom-baseboard.dtsi
@@ -313,6 +313,7 @@ &hscif1 {
 };
 
 &hsusb {
+	clocks = <&cpg CPG_MOD 704>, <&cpg CPG_MOD 703>, <&usb2_clksel>, <&versaclock6_som 3>;
 	dr_mode = "otg";
 	status = "okay";
 };
-- 
2.25.1