| Message ID | 1402997133-13827-2-git-send-email-m.szyprowski@samsung.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Tue, Jun 17, 2014 at 10:25 AM, Marek Szyprowski <m.szyprowski@samsung.com> wrote: > This patch adds port sub-nodes to exynos4 ehci and ohci modules, which > are required by recently merged new exynos4 usb2 phy support. > > Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> I checked this against the DT binding documentation for the samsung,exynos4210-ohci and samsung,exynos4210-ehci nodes, and also the usb2 phy binding docs. Looks fine. Also tested on ODROID-U2, seems to be working: ehci-exynos: EHCI EXYNOS driver exynos-ehci 12580000.ehci: EHCI Host Controller exynos-ehci 12580000.ehci: new USB bus registered, assigned bus number 1 exynos-ehci 12580000.ehci: irq 102, io mem 0x12580000 exynos-ehci 12580000.ehci: USB 2.0 started, EHCI 1.00 ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver ohci-exynos: OHCI EXYNOS driver ...and the onboard USB (EHCI) ethernet adapter works. Nice. The only thing I don't quite understand is the relationship between EHCI and OHCI controllers, one being at 12580000 and the other at 1259000; the SoC docs (which I have not studied in detail) don't make this very clear to me - no registers listed at base address 12590000? Anyway, Reviewed-by: Daniel Drake <drake@endlessm.com> -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On 19.06.2014 13:44, Daniel Drake wrote: > On Tue, Jun 17, 2014 at 10:25 AM, Marek Szyprowski > <m.szyprowski@samsung.com> wrote: >> This patch adds port sub-nodes to exynos4 ehci and ohci modules, which >> are required by recently merged new exynos4 usb2 phy support. >> >> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> > > I checked this against the DT binding documentation for the > samsung,exynos4210-ohci and samsung,exynos4210-ehci nodes, and also > the usb2 phy binding docs. Looks fine. > > Also tested on ODROID-U2, seems to be working: Thanks for testing. > > ehci-exynos: EHCI EXYNOS driver > exynos-ehci 12580000.ehci: EHCI Host Controller > exynos-ehci 12580000.ehci: new USB bus registered, assigned bus number 1 > exynos-ehci 12580000.ehci: irq 102, io mem 0x12580000 > exynos-ehci 12580000.ehci: USB 2.0 started, EHCI 1.00 > ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver > ohci-exynos: OHCI EXYNOS driver > > ...and the onboard USB (EHCI) ethernet adapter works. Nice. > > The only thing I don't quite understand is the relationship between > EHCI and OHCI controllers, one being at 12580000 and the other at > 1259000; the SoC docs (which I have not studied in detail) don't make > this very clear to me - no registers listed at base address 12590000? > Anyway, Well, that's exactly the same relationship as on PCs, where you have both EHCI and UHCI/OHCI and depending on what kind of device you connect the proper controller will pick it up. AFAIK the base address is good, but I believe it was already tested anyway. Best regards, Tomasz -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/arch/arm/boot/dts/exynos4.dtsi b/arch/arm/boot/dts/exynos4.dtsi index b8ece4be41ca..c91284441694 100644 --- a/arch/arm/boot/dts/exynos4.dtsi +++ b/arch/arm/boot/dts/exynos4.dtsi @@ -322,6 +322,23 @@ clocks = <&clock CLK_USB_HOST>; clock-names = "usbhost"; status = "disabled"; + #address-cells = <1>; + #size-cells = <0>; + port@0 { + reg = <0>; + phys = <&exynos_usbphy 1>; + status = "disabled"; + }; + port@1 { + reg = <1>; + phys = <&exynos_usbphy 2>; + status = "disabled"; + }; + port@2 { + reg = <2>; + phys = <&exynos_usbphy 3>; + status = "disabled"; + }; }; ohci@12590000 { @@ -331,6 +348,13 @@ clocks = <&clock CLK_USB_HOST>; clock-names = "usbhost"; status = "disabled"; + #address-cells = <1>; + #size-cells = <0>; + port@0 { + reg = <0>; + phys = <&exynos_usbphy 1>; + status = "disabled"; + }; }; i2s1: i2s@13960000 {
This patch adds port sub-nodes to exynos4 ehci and ohci modules, which are required by recently merged new exynos4 usb2 phy support. Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> --- arch/arm/boot/dts/exynos4.dtsi | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+)