linux-kernel - [PATCH v3 6/7] arm64: dts: zynqmp: Move USB clocks to dwc3 node

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Date:   Thu, 27 Jan 2022 15:06:35 -0500
From:   Sean Anderson <sean.anderson@...o.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-usb@...r.kernel.org
Cc:     Robert Hancock <robert.hancock@...ian.com>,
        Baruch Siach <baruch@...s.co.il>,
        Felipe Balbi <balbi@...nel.org>,
        Thinh Nguyen <Thinh.Nguyen@...opsys.com>,
        linux-kernel@...r.kernel.org,
        Balaji Prakash J <bjagadee@...eaurora.org>,
        Sean Anderson <sean.anderson@...o.com>,
        Michal Simek <michal.simek@...inx.com>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: [PATCH v3 6/7] arm64: dts: zynqmp: Move USB clocks to dwc3 node

These clocks are not used by the dwc3-xilinx driver except to
enable/disable them. Move them to the dwc3 node so its driver can use
them to configure the reference clock period.

Signed-off-by: Sean Anderson <sean.anderson@...o.com>
Reviewed-by: Robert Hancock <robert.hancock@...ian.com>
Tested-by: Robert Hancock <robert.hancock@...ian.com>
---

(no changes since v1)

 arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi | 4 ++--
 arch/arm64/boot/dts/xilinx/zynqmp.dtsi         | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi
index 1e0b1bca7c94..8493dd7d5f1f 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi
+++ b/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi
@@ -223,11 +223,11 @@ &uart1 {
 	clocks = <&zynqmp_clk UART1_REF>, <&zynqmp_clk LPD_LSBUS>;
 };
 
-&usb0 {
+&dwc3_0 {
 	clocks = <&zynqmp_clk USB0_BUS_REF>, <&zynqmp_clk USB3_DUAL_REF>;
 };
 
-&usb1 {
+&dwc3_1 {
 	clocks = <&zynqmp_clk USB1_BUS_REF>, <&zynqmp_clk USB3_DUAL_REF>;
 };
 
diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
index 74e66443e4ce..ba68fb8529ee 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
+++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
@@ -811,7 +811,6 @@ usb0: usb@...d0000 {
 			status = "disabled";
 			compatible = "xlnx,zynqmp-dwc3";
 			reg = <0x0 0xff9d0000 0x0 0x100>;
-			clock-names = "bus_clk", "ref_clk";
 			power-domains = <&zynqmp_firmware PD_USB_0>;
 			resets = <&zynqmp_reset ZYNQMP_RESET_USB0_CORERESET>,
 				 <&zynqmp_reset ZYNQMP_RESET_USB0_HIBERRESET>,
@@ -825,6 +824,7 @@ dwc3_0: usb@...00000 {
 				interrupt-parent = <&gic>;
 				interrupt-names = "dwc_usb3", "otg";
 				interrupts = <0 65 4>, <0 69 4>;
+				clock-names = "bus_early", "ref";
 				#stream-id-cells = <1>;
 				iommus = <&smmu 0x860>;
 				snps,quirk-frame-length-adjustment = <0x20>;
@@ -838,7 +838,6 @@ usb1: usb@...e0000 {
 			status = "disabled";
 			compatible = "xlnx,zynqmp-dwc3";
 			reg = <0x0 0xff9e0000 0x0 0x100>;
-			clock-names = "bus_clk", "ref_clk";
 			power-domains = <&zynqmp_firmware PD_USB_1>;
 			resets = <&zynqmp_reset ZYNQMP_RESET_USB1_CORERESET>,
 				 <&zynqmp_reset ZYNQMP_RESET_USB1_HIBERRESET>,
@@ -852,6 +851,7 @@ dwc3_1: usb@...00000 {
 				interrupt-parent = <&gic>;
 				interrupt-names = "dwc_usb3", "otg";
 				interrupts = <0 70 4>, <0 74 4>;
+				clock-names = "bus_early", "ref";
 				#stream-id-cells = <1>;
 				iommus = <&smmu 0x861>;
 				snps,quirk-frame-length-adjustment = <0x20>;
-- 
2.25.1