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

From: Tony Lindgren
Date: Wed May 14 2014 - 17:50:48 EST


* George Cherian <george.cherian@xxxxxx> [140508 23:34]:
> 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
> }
> }

Is this just a cosmetic change or is this trying to workaround
some edma related init order issue?

Regards,

Tony
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