Hi,
On Tue, Jul 06, 2010 at 05:30:37PM +0530, Ajay Kumar Gupta wrote:
> +static void omap_ehci_soft_phy_reset(struct ehci_hcd_omap *omap, u8 port)
> +{
> + unsigned reg = 0;
> +
> + reg = ULPI_FUNC_CTRL_RESET | ULPI_FUNC_CTRL_SUSPENDM
suspendm should be done when we remove the driver (omap_sotp_ehc), to
put transceiver is lower power mode.
> + /* FUNCTION_CTRL_SET register */
> + | (ULPI_SET(ULPI_FUNC_CTRL) << EHCI_INSNREG05_ULPI_REGADD_SHIFT)
> + /* Write */
> + | (2 << EHCI_INSNREG05_ULPI_OPSEL_SHIFT)
> + /* PORTn */
> + | ((port + 1) << EHCI_INSNREG05_ULPI_PORTSEL_SHIFT)
> + /* start ULPI access*/
> + | (1 << EHCI_INSNREG05_ULPI_CONTROL_SHIFT);
> +
> + ehci_omap_writel(omap->ehci_base, EHCI_INSNREG05_ULPI, reg);
do you need to poll for reset done ? (when reset bit is cleared?)
--
balbi
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