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SubjectRe: [RFC 1/5] clk: iproc: define Broadcom NSP iProc clock binding
On Tue, Oct 13, 2015 at 03:17:36PM -0700, Ray Jui wrote:
> Shouldn't the device tree binding document go with the other patch
> series since both the binding document and drivers are merged by Michael
> or Stephen?
>
> On 10/13/2015 2:22 PM, Jon Mason wrote:
> > Document the device tree bindings for Broadcom Northstar Plus
> > architecture based clock controller
> >
> > Signed-off-by: Jon Mason <jonmason@broadcom.com>
> > ---
> > .../bindings/clock/brcm,iproc-clocks.txt | 30 ++++++++++++++++++++++
> > 1 file changed, 30 insertions(+)
> >
> > diff --git a/Documentation/devicetree/bindings/clock/brcm,iproc-clocks.txt b/Documentation/devicetree/bindings/clock/brcm,iproc-clocks.txt
> > index da8d9bb..b3c3e9d 100644
> > --- a/Documentation/devicetree/bindings/clock/brcm,iproc-clocks.txt
> > +++ b/Documentation/devicetree/bindings/clock/brcm,iproc-clocks.txt
> > @@ -130,3 +130,33 @@ These clock IDs are defined in:
> > ch3_unused mipipll 4 BCM_CYGNUS_MIPIPLL_CH3_UNUSED
> > ch4_unused mipipll 5 BCM_CYGNUS_MIPIPLL_CH4_UNUSED
> > ch5_unused mipipll 6 BCM_CYGNUS_MIPIPLL_CH5_UNUSED
> > +
> > +Northstar and Northstar Plus
> > +------
> > +PLL and leaf clock compatible strings for Northstar and Northstar Plus are:
> > + "brcm,nsp-armpll"
> > + "brcm,nsp-genpll"
> > + "brcm,nsp-lcpll0"
>
> So the current clock driver also supports NS? That will be nice and that
> indicates all the clock related registers/offsets are exactly the same
> between NS and NSP?

Yes. The register offsets are different, but everything else is
identical.

>
> > +
> > +The following table defines the set of PLL/clock index and ID for Northstar and
> > +Northstar Plus. These clock IDs are defined in:
> > + "include/dt-bindings/clock/bcm-nsp.h"
> > +
> > + Clock Source Index ID
> > + --- ----- ----- ---------
> > + crystal N/A N/A N/A
> > +
> > + armpll crystal N/A N/A
> > +
> > + genpll crystal 0 BCM_NSP_GENPLL
> > + phy genpll 1 BCM_NSP_GENPLL_PHY_CLK
> > + ethernetclk genpll 2 BCM_NSP_GENPLL_ENET_SW_CLK
> > + usbclk genpll 3 BCM_NSP_GENPLL_USB_PHY_REF_CLK
> > + iprocfast genpll 4 BCM_NSP_GENPLL_IPROCFAST_CLK
> > + sata1 genpll 5 BCM_NSP_GENPLL_SATA1_CLK
> > + sata2 genpll 6 BCM_NSP_GENPLL_SATA2_CLK
> > +
> > + lcpll0 crystal 0 BCM_NSP_LCPLL0
> > + pcie_phy lcpll0 1 BCM_NSP_LCPLL0_PCIE_PHY_REF_CLK
> > + sdio lcpll0 2 BCM_NSP_LCPLL0_SDIO_CLK
> > + ddr_phy lcpll0 3 BCM_NSP_LCPLL0_DDR_PHY_CLK
> >


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