diff mbox series

[v3,4/4] usb: host: Add ability to build new Broadcom STB USB drivers

Message ID 20200408181406.40389-5-alcooperx@gmail.com (mailing list archive)
State Superseded
Headers show
Series Add XHCI, EHCI and OHCI support for Broadcom STB SoS's | expand

Commit Message

Alan Cooper April 8, 2020, 6:14 p.m. UTC
Add the build system changes needed to get the Broadcom STB XHCI,
EHCI and OHCI functionality working. The OHCI support does not
require anything unique to Broadcom so the standard ohci-platform
driver is being used. The link order for XHCI was changed in the
Makefile because of the way STB XHCI, EHCI and OHCI controllers
share a port which requires that the XHCI driver be initialized
first. Also update MAINTAINERS.

Signed-off-by: Al Cooper <alcooperx@gmail.com>
---
 MAINTAINERS               |  8 ++++++++
 drivers/usb/host/Kconfig  | 16 ++++++++++++++++
 drivers/usb/host/Makefile | 16 ++++++++++------
 3 files changed, 34 insertions(+), 6 deletions(-)

Comments

Andy Shevchenko April 9, 2020, 9:08 a.m. UTC | #1
On Thu, Apr 9, 2020 at 12:52 AM Al Cooper <alcooperx@gmail.com> wrote:
>
> Add the build system changes needed to get the Broadcom STB XHCI,
> EHCI and OHCI functionality working. The OHCI support does not
> require anything unique to Broadcom so the standard ohci-platform
> driver is being used. The link order for XHCI was changed in the
> Makefile because of the way STB XHCI, EHCI and OHCI controllers
> share a port which requires that the XHCI driver be initialized
> first. Also update MAINTAINERS.

> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -3477,6 +3477,14 @@ S:       Supported
>  F:     drivers/i2c/busses/i2c-brcmstb.c
>  F:     Documentation/devicetree/bindings/i2c/brcm,brcmstb-i2c.yaml
>
> +BROADCOM BRCMSTB USB EHCI DRIVER
> +M:     Al Cooper <alcooperx@gmail.com>
> +L:     linux-usb@vger.kernel.org
> +L:     bcm-kernel-feedback-list@broadcom.com
> +S:     Maintained
> +F:     drivers/usb/host/ehci-brcm.*
> +F:     Documentation/devicetree/bindings/usb/brcm,bcm7445-ehci.yaml

This has ordering issues.
Run parse-maintainer.pl to fix. (Note, it creates by default a new
file, you might need to run diff manually to see the difference).
Alan Cooper April 9, 2020, 11:49 a.m. UTC | #2
On Thu, Apr 9, 2020 at 5:08 AM Andy Shevchenko
<andy.shevchenko@gmail.com> wrote:
>
> On Thu, Apr 9, 2020 at 12:52 AM Al Cooper <alcooperx@gmail.com> wrote:
> >
> > Add the build system changes needed to get the Broadcom STB XHCI,
> > EHCI and OHCI functionality working. The OHCI support does not
> > require anything unique to Broadcom so the standard ohci-platform
> > driver is being used. The link order for XHCI was changed in the
> > Makefile because of the way STB XHCI, EHCI and OHCI controllers
> > share a port which requires that the XHCI driver be initialized
> > first. Also update MAINTAINERS.
>
> > --- a/MAINTAINERS
> > +++ b/MAINTAINERS
> > @@ -3477,6 +3477,14 @@ S:       Supported
> >  F:     drivers/i2c/busses/i2c-brcmstb.c
> >  F:     Documentation/devicetree/bindings/i2c/brcm,brcmstb-i2c.yaml
> >
> > +BROADCOM BRCMSTB USB EHCI DRIVER
> > +M:     Al Cooper <alcooperx@gmail.com>
> > +L:     linux-usb@vger.kernel.org
> > +L:     bcm-kernel-feedback-list@broadcom.com
> > +S:     Maintained
> > +F:     drivers/usb/host/ehci-brcm.*
> > +F:     Documentation/devicetree/bindings/usb/brcm,bcm7445-ehci.yaml
>
> This has ordering issues.
> Run parse-maintainer.pl to fix. (Note, it creates by default a new
> file, you might need to run diff manually to see the difference).

I'm not sure what you mean.
I ran "./scripts/parse-maintainers.pl" and did "diff MAINTAINERS
MAINTAINERS.new" and there are no differences in or around my entry.

Al

>
> --
> With Best Regards,
> Andy Shevchenko
Andy Shevchenko April 9, 2020, 12:30 p.m. UTC | #3
On Thu, Apr 09, 2020 at 07:49:52AM -0400, Alan Cooper wrote:
> On Thu, Apr 9, 2020 at 5:08 AM Andy Shevchenko
> <andy.shevchenko@gmail.com> wrote:
> >
> > On Thu, Apr 9, 2020 at 12:52 AM Al Cooper <alcooperx@gmail.com> wrote:
> > >
> > > Add the build system changes needed to get the Broadcom STB XHCI,
> > > EHCI and OHCI functionality working. The OHCI support does not
> > > require anything unique to Broadcom so the standard ohci-platform
> > > driver is being used. The link order for XHCI was changed in the
> > > Makefile because of the way STB XHCI, EHCI and OHCI controllers
> > > share a port which requires that the XHCI driver be initialized
> > > first. Also update MAINTAINERS.
> >
> > > --- a/MAINTAINERS
> > > +++ b/MAINTAINERS
> > > @@ -3477,6 +3477,14 @@ S:       Supported
> > >  F:     drivers/i2c/busses/i2c-brcmstb.c
> > >  F:     Documentation/devicetree/bindings/i2c/brcm,brcmstb-i2c.yaml
> > >
> > > +BROADCOM BRCMSTB USB EHCI DRIVER
> > > +M:     Al Cooper <alcooperx@gmail.com>
> > > +L:     linux-usb@vger.kernel.org
> > > +L:     bcm-kernel-feedback-list@broadcom.com
> > > +S:     Maintained
> > > +F:     drivers/usb/host/ehci-brcm.*
> > > +F:     Documentation/devicetree/bindings/usb/brcm,bcm7445-ehci.yaml
> >
> > This has ordering issues.
> > Run parse-maintainer.pl to fix. (Note, it creates by default a new
> > file, you might need to run diff manually to see the difference).
> 
> I'm not sure what you mean.
> I ran "./scripts/parse-maintainers.pl" and did "diff MAINTAINERS
> MAINTAINERS.new" and there are no differences in or around my entry.

Perhaps --order should be added.
Alan Cooper April 9, 2020, 6:15 p.m. UTC | #4
On Thu, Apr 9, 2020 at 8:30 AM Andy Shevchenko
<andy.shevchenko@gmail.com> wrote:
>
> On Thu, Apr 09, 2020 at 07:49:52AM -0400, Alan Cooper wrote:
> > On Thu, Apr 9, 2020 at 5:08 AM Andy Shevchenko
> > <andy.shevchenko@gmail.com> wrote:
> > >
> > > On Thu, Apr 9, 2020 at 12:52 AM Al Cooper <alcooperx@gmail.com> wrote:
> > > >
> > > > Add the build system changes needed to get the Broadcom STB XHCI,
> > > > EHCI and OHCI functionality working. The OHCI support does not
> > > > require anything unique to Broadcom so the standard ohci-platform
> > > > driver is being used. The link order for XHCI was changed in the
> > > > Makefile because of the way STB XHCI, EHCI and OHCI controllers
> > > > share a port which requires that the XHCI driver be initialized
> > > > first. Also update MAINTAINERS.
> > >
> > > > --- a/MAINTAINERS
> > > > +++ b/MAINTAINERS
> > > > @@ -3477,6 +3477,14 @@ S:       Supported
> > > >  F:     drivers/i2c/busses/i2c-brcmstb.c
> > > >  F:     Documentation/devicetree/bindings/i2c/brcm,brcmstb-i2c.yaml
> > > >
> > > > +BROADCOM BRCMSTB USB EHCI DRIVER
> > > > +M:     Al Cooper <alcooperx@gmail.com>
> > > > +L:     linux-usb@vger.kernel.org
> > > > +L:     bcm-kernel-feedback-list@broadcom.com
> > > > +S:     Maintained
> > > > +F:     drivers/usb/host/ehci-brcm.*
> > > > +F:     Documentation/devicetree/bindings/usb/brcm,bcm7445-ehci.yaml
> > >
> > > This has ordering issues.
> > > Run parse-maintainer.pl to fix. (Note, it creates by default a new
> > > file, you might need to run diff manually to see the difference).
> >
> > I'm not sure what you mean.
> > I ran "./scripts/parse-maintainers.pl" and did "diff MAINTAINERS
> > MAINTAINERS.new" and there are no differences in or around my entry.
>
> Perhaps --order should be added.

So you're asking me to swap the following lines?

F:    drivers/usb/host/ehci-brcm.*
F:    Documentation/devicetree/bindings/usb/brcm,bcm7445-ehci.yaml

Al

>
> --
> With Best Regards,
> Andy Shevchenko
>
>
Andy Shevchenko April 9, 2020, 6:47 p.m. UTC | #5
On Thu, Apr 9, 2020 at 9:15 PM Alan Cooper <alcooperx@gmail.com> wrote:
> On Thu, Apr 9, 2020 at 8:30 AM Andy Shevchenko
> <andy.shevchenko@gmail.com> wrote:
> > On Thu, Apr 09, 2020 at 07:49:52AM -0400, Alan Cooper wrote:
> > > On Thu, Apr 9, 2020 at 5:08 AM Andy Shevchenko
> > > <andy.shevchenko@gmail.com> wrote:
> > > > On Thu, Apr 9, 2020 at 12:52 AM Al Cooper <alcooperx@gmail.com> wrote:

> > > > > +BROADCOM BRCMSTB USB EHCI DRIVER
> > > > > +M:     Al Cooper <alcooperx@gmail.com>
> > > > > +L:     linux-usb@vger.kernel.org
> > > > > +L:     bcm-kernel-feedback-list@broadcom.com
> > > > > +S:     Maintained
> > > > > +F:     drivers/usb/host/ehci-brcm.*
> > > > > +F:     Documentation/devicetree/bindings/usb/brcm,bcm7445-ehci.yaml
> > > >
> > > > This has ordering issues.
> > > > Run parse-maintainer.pl to fix. (Note, it creates by default a new
> > > > file, you might need to run diff manually to see the difference).
> > >
> > > I'm not sure what you mean.
> > > I ran "./scripts/parse-maintainers.pl" and did "diff MAINTAINERS
> > > MAINTAINERS.new" and there are no differences in or around my entry.
> >
> > Perhaps --order should be added.
>
> So you're asking me to swap the following lines?
>
> F:    drivers/usb/host/ehci-brcm.*
> F:    Documentation/devicetree/bindings/usb/brcm,bcm7445-ehci.yaml

Yes, that is correct.
diff mbox series

Patch

diff --git a/MAINTAINERS b/MAINTAINERS
index 534a8dc4f84a..f6e8ebc8ccfd 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3477,6 +3477,14 @@  S:	Supported
 F:	drivers/i2c/busses/i2c-brcmstb.c
 F:	Documentation/devicetree/bindings/i2c/brcm,brcmstb-i2c.yaml
 
+BROADCOM BRCMSTB USB EHCI DRIVER
+M:	Al Cooper <alcooperx@gmail.com>
+L:	linux-usb@vger.kernel.org
+L:	bcm-kernel-feedback-list@broadcom.com
+S:	Maintained
+F:	drivers/usb/host/ehci-brcm.*
+F:	Documentation/devicetree/bindings/usb/brcm,bcm7445-ehci.yaml
+
 BROADCOM BRCMSTB USB2 and USB3 PHY DRIVER
 M:	Al Cooper <alcooperx@gmail.com>
 L:	linux-kernel@vger.kernel.org
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
index 55bdfdf11e4c..7d58fd66e412 100644
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -97,6 +97,22 @@  config USB_XHCI_TEGRA
 
 endif # USB_XHCI_HCD
 
+config USB_EHCI_BRCMSTB
+       tristate
+
+config USB_BRCMSTB
+	tristate "Broadcom STB USB support"
+	depends on (ARCH_BRCMSTB && PHY_BRCM_USB) || COMPILE_TEST
+	select USB_OHCI_HCD_PLATFORM if USB_OHCI_HCD
+	select USB_EHCI_BRCMSTB if USB_EHCI_HCD
+	select USB_XHCI_PLATFORM if USB_XHCI_HCD
+	help
+	  Say Y to enable support for XHCI, EHCI and OHCI host controllers
+	  found in Broadcom STB SoC's.
+
+	  Disabling this will keep the controllers and corresponding
+	  PHYs powered down.
+
 config USB_EHCI_HCD
 	tristate "EHCI HCD (USB 2.0) support"
 	depends on HAS_DMA && HAS_IOMEM
diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile
index b191361257cc..85fa6ace552a 100644
--- a/drivers/usb/host/Makefile
+++ b/drivers/usb/host/Makefile
@@ -37,6 +37,15 @@  endif
 
 obj-$(CONFIG_USB_PCI)	+= pci-quirks.o
 
+# NOTE: BRCMSTB systems require that xhci driver be linked before the
+# ehci/ohci drivers.
+obj-$(CONFIG_USB_XHCI_HCD)	+= xhci-hcd.o
+obj-$(CONFIG_USB_XHCI_PCI)	+= xhci-pci.o
+obj-$(CONFIG_USB_XHCI_PLATFORM) += xhci-plat-hcd.o
+obj-$(CONFIG_USB_XHCI_HISTB)	+= xhci-histb.o
+obj-$(CONFIG_USB_XHCI_MTK)	+= xhci-mtk.o
+obj-$(CONFIG_USB_XHCI_TEGRA)	+= xhci-tegra.o
+
 obj-$(CONFIG_USB_EHCI_HCD)	+= ehci-hcd.o
 obj-$(CONFIG_USB_EHCI_PCI)	+= ehci-pci.o
 obj-$(CONFIG_USB_EHCI_HCD_PLATFORM)	+= ehci-platform.o
@@ -49,6 +58,7 @@  obj-$(CONFIG_USB_EHCI_HCD_STI)	+= ehci-st.o
 obj-$(CONFIG_USB_EHCI_EXYNOS)	+= ehci-exynos.o
 obj-$(CONFIG_USB_EHCI_HCD_AT91) += ehci-atmel.o
 obj-$(CONFIG_USB_EHCI_TEGRA)	+= ehci-tegra.o
+obj-$(CONFIG_USB_EHCI_BRCMSTB)	+= ehci-brcm.o
 
 obj-$(CONFIG_USB_OXU210HP_HCD)	+= oxu210hp-hcd.o
 obj-$(CONFIG_USB_ISP116X_HCD)	+= isp116x-hcd.o
@@ -69,12 +79,6 @@  obj-$(CONFIG_USB_OHCI_HCD_DAVINCI)	+= ohci-da8xx.o
 
 obj-$(CONFIG_USB_UHCI_HCD)	+= uhci-hcd.o
 obj-$(CONFIG_USB_FHCI_HCD)	+= fhci.o
-obj-$(CONFIG_USB_XHCI_HCD)	+= xhci-hcd.o
-obj-$(CONFIG_USB_XHCI_PCI)	+= xhci-pci.o
-obj-$(CONFIG_USB_XHCI_PLATFORM) += xhci-plat-hcd.o
-obj-$(CONFIG_USB_XHCI_HISTB)	+= xhci-histb.o
-obj-$(CONFIG_USB_XHCI_MTK)	+= xhci-mtk.o
-obj-$(CONFIG_USB_XHCI_TEGRA)	+= xhci-tegra.o
 obj-$(CONFIG_USB_SL811_HCD)	+= sl811-hcd.o
 obj-$(CONFIG_USB_SL811_CS)	+= sl811_cs.o
 obj-$(CONFIG_USB_U132_HCD)	+= u132-hcd.o