linux-kernel - [PATCH v4 7/8] arm64: dts: mt8173: move clock from phy node into port nodes

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Message-ID: <1489213373-2544-7-git-send-email-chunfeng.yun@mediatek.com>
Date:   Sat, 11 Mar 2017 14:22:52 +0800
From:   Chunfeng Yun <chunfeng.yun@...iatek.com>
To:     Kishon Vijay Abraham I <kishon@...com>
CC:     Matthias Brugger <matthias.bgg@...il.com>,
        Felipe Balbi <felipe.balbi@...ux.intel.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Ian Campbell <ijc+devicetree@...lion.org.uk>,
        Chunfeng Yun <chunfeng.yun@...iatek.com>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-usb@...r.kernel.org>, <linux-mediatek@...ts.infradead.org>,
        <devicetree@...r.kernel.org>
Subject: [PATCH v4 7/8] arm64: dts: mt8173: move clock from phy node into port nodes

there is a reference clock for each port, HighSpeed port is 48M,
and SuperSpeed port is usually 26M. it is flexible to move it
into port node, then unused clock can be disabled.

Signed-off-by: Chunfeng Yun <chunfeng.yun@...iatek.com>
---
 arch/arm64/boot/dts/mediatek/mt8173.dtsi |    8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
index 1dc4629..1c9e0d5 100644
--- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
@@ -764,8 +764,6 @@
 		u3phy: usb-phy@...90000 {
 			compatible = "mediatek,mt8173-u3phy";
 			reg = <0 0x11290000 0 0x800>;
-			clocks = <&apmixedsys CLK_APMIXED_REF2USB_TX>;
-			clock-names = "u3phya_ref";
 			#address-cells = <2>;
 			#size-cells = <2>;
 			ranges;
@@ -773,18 +771,24 @@
 
 			u2port0: usb-phy@...90800 {
 				reg = <0 0x11290800 0 0x100>;
+				clocks = <&apmixedsys CLK_APMIXED_REF2USB_TX>;
+				clock-names = "ref";
 				#phy-cells = <1>;
 				status = "okay";
 			};
 
 			u3port0: usb-phy@...90900 {
 				reg = <0 0x11290900 0 0x700>;
+				clocks = <&clk26m>;
+				clock-names = "ref";
 				#phy-cells = <1>;
 				status = "okay";
 			};
 
 			u2port1: usb-phy@...91000 {
 				reg = <0 0x11291000 0 0x100>;
+				clocks = <&apmixedsys CLK_APMIXED_REF2USB_TX>;
+				clock-names = "ref";
 				#phy-cells = <1>;
 				status = "okay";
 			};
-- 
1.7.9.5