Hi Marek,
On 20.05.2014 14:46, Marek Szyprowski wrote:
> This patch adds device tree nodes necessary to enable USB support on
> universalc210 board, this includes UDC controller (USB gadget) as well
> as EHCI and OHCI host ports. LDO3 and LDO8 regulators are switched to
> always on mode until EHCI and OHCI drivers will support them correctly.
>
> Signed-off-by: Marek Szyprowski <m.szyprow...@samsung.com>
> ---
> arch/arm/boot/dts/exynos4210-universal_c210.dts | 20 ++++++++++++++++++++
> 1 file changed, 20 insertions(+)
>
> diff --git a/arch/arm/boot/dts/exynos4210-universal_c210.dts
> b/arch/arm/boot/dts/exynos4210-universal_c210.dts
> index 9296dee10e26..0a32b396306c 100644
> --- a/arch/arm/boot/dts/exynos4210-universal_c210.dts
> +++ b/arch/arm/boot/dts/exynos4210-universal_c210.dts
> @@ -68,6 +68,12 @@
> enable-active-high;
> };
>
> + hsotg@12480000 {
> + vusb_d-supply = <&ldo3_reg>;
> + vusb_a-supply = <&ldo8_reg>;
> + status = "okay";
> + };
> +
> sdhci_emmc: sdhci@12510000 {
> bus-width = <8>;
> non-removable;
> @@ -77,6 +83,18 @@
> status = "okay";
> };
>
> + ehci@12580000 {
> + status = "okay";
Shouldn't you also enable applicable ports here, so that required PHYs
are configured?
> + };
> +
> + ohci@12590000 {
> + status = "okay";
Ditto.
Best regards,
Tomasz
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