linux-kernel - [RFC PATCH] ARM: dts: am33xx: Re-arrange the USB dt to reflect the h/w configuration

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Date:	Fri, 9 May 2014 12:01:08 +0530
From:	George Cherian <george.cherian@...com>
To:	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
	<linux-omap@...r.kernel.org>
CC:	<linux@....linux.org.uk>, <galak@...eaurora.org>,
	<ijc+devicetree@...lion.org.uk>, <mark.rutland@....com>,
	<pawel.moll@....com>, <robh+dt@...nel.org>, <tony@...mide.com>,
	<bcousson@...libre.com>, <ezequiel@...guardiasur.com.ar>,
	<bigeasy@...utronix.de>, <yegorslists@...glemail.com>,
	<balbi@...com>, George Cherian <george.cherian@...com>
Subject: [RFC PATCH] ARM: dts: am33xx: Re-arrange the USB dt to reflect the h/w configuration

Re arrange the USB dt for AM33xx to take it a bit closer
to the hardware configuration.

The USBSS is designed as follows

USB control Module	0x44e10_0620

USBSS			0x4740_0000

USB0			0x4740_1000
USB0_PHY		0x4740_1300
USB0_CORE		0x4740_1400

USB1			0x4740_1800
USB1_PHY		0x4740_1b00
USB1_CORE		0x4740_1c00

CPPI DMA Controller	0x4740_2000
CPPI DMA Scheduler	0x4740_3000
Queue Manager		0x4740_4000

So model the DT as follows
USBSS {
    usb_ctrl_mod: {
        0x44e10_0620
    }
    usb0: {
    0x4740_1000
    0x4740_1400
    }
    usb0_phy:{
    0x4740_1300
    }
    usb1:{
    0x4740_1800
    0x4740_1c00
    }
    usb1_phy: {
    0x4740_1b00
    }
    cppi41dma: {
    0x4740_2000
    0x4740_3000
    0x4740_4000
    }
}

Signed-off-by: George Cherian <george.cherian@...com>
---
 arch/arm/boot/dts/am33xx.dtsi | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi
index cb6811e..d33a1e7 100644
--- a/arch/arm/boot/dts/am33xx.dtsi
+++ b/arch/arm/boot/dts/am33xx.dtsi
@@ -461,14 +461,6 @@
 				status = "disabled";
 			};
 
-			usb0_phy: usb-phy@...01300 {
-				compatible = "ti,am335x-usb-phy";
-				reg = <0x47401300 0x100>;
-				reg-names = "phy";
-				status = "disabled";
-				ti,ctrl_mod = <&usb_ctrl_mod>;
-			};
-
 			usb0: usb@...01000 {
 				compatible = "ti,musb-am33xx";
 				status = "disabled";
@@ -509,9 +501,9 @@
 					"tx14", "tx15";
 			};
 
-			usb1_phy: usb-phy@...01b00 {
+			usb0_phy: usb-phy@...01300 {
 				compatible = "ti,am335x-usb-phy";
-				reg = <0x47401b00 0x100>;
+				reg = <0x47401300 0x100>;
 				reg-names = "phy";
 				status = "disabled";
 				ti,ctrl_mod = <&usb_ctrl_mod>;
@@ -556,6 +548,14 @@
 					"tx14", "tx15";
 			};
 
+			usb1_phy: usb-phy@...01b00 {
+				compatible = "ti,am335x-usb-phy";
+				reg = <0x47401b00 0x100>;
+				reg-names = "phy";
+				status = "disabled";
+				ti,ctrl_mod = <&usb_ctrl_mod>;
+			};
+
 			cppi41dma: dma-controller@...02000 {
 				compatible = "ti,am3359-cppi41";
 				reg =  <0x47400000 0x1000
-- 
1.8.3.1

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