> -----Original Message-----
> From: Anton Vorontsov [mailto:[EMAIL PROTECTED]
> Sent: Monday, September 01, 2008 9:35 PM
> To: Kumar Gala
> Cc: linuxppc-dev@ozlabs.org; Li Yang-R58472
> Subject: [RFC PATCH 2/2 v2] powerpc/83xx: mpc836x_mds: add
> support for USBHost
>
> Various changes to support QE USB Host on a MPC8360E-MDS board:
>
> - Update the device tree per QE USB bindings;
> - Configure QE Par IO;
> - Set up BCSR for both USB Host and Peripheral modes;
> - Add timer (GTM) node;
> - Add gpio-controller node for BCSR13 bank;
> - Select FSL_GTM, QE_GPIO and OF_SIMPLE_GPIO.
>
> The work is loosely based on Li Yang's patch[1], which is
> used to support peripheral mode only.
>
> [1] http://ozlabs.org/pipermail/linuxppc-dev/2008-August/061357.html
>
> The s-o-b line of the original patch preserved here.
>
> Signed-off-by: Li Yang <[EMAIL PROTECTED]>
> Signed-off-by: Anton Vorontsov <[EMAIL PROTECTED]>
{snip}
> @@ -297,11 +328,20 @@
> };
>
> [EMAIL PROTECTED] {
> - compatible = "qe_udc";
> + compatible = "fsl,mpc8360-qe-usb",
> + "fsl,mpc8323-qe-usb";
> reg = <0x6c0 0x40 0x8b00 0x100>;
> interrupts = <11>;
> interrupt-parent = <&qeic>;
> - mode = "slave";
> + fsl,fullspeed-clock = "clk21";
> + fsl,lowspeed-clock = "brg9";
> + gpios = <&qe_pio_b 2 0 /* USBOE */
> + &qe_pio_b 3 0 /* USBTP */
> + &qe_pio_b 8 0 /* USBTN */
> + &qe_pio_b 9 0 /* USBRP */
> + &qe_pio_b 11 0 /* USBRN */
> + &bcsr13 5 0 /* SPEED */
> + &bcsr13 4 1>; /* POWER */
Nothing against this node. But I don't think gpio nodes can replaces par_io
nodes. Gpios are focusing on the pins which are directly manipulated by the
core, but par_io are for pins used by internal SoCs.
- Leo
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