On 17:41-20210513, Kishon Vijay Abraham I wrote:
> Hi Nishanth,
>
> On 13/05/21 12:21 am, Nishanth Menon wrote:
> > On 20:42-20210512, Kishon Vijay Abraham I wrote:
> >> Rename the external refclk inputs to the SERDES from
> >> dummy_cmn_refclk/dummy_cmn_refclk1 to cmn_refclk/cmn_refclk1
> >> respectively. Also move the external refclk DT nodes outside the
> >> cbass_main DT node. Since in j721e common processor board, only the
> >> cmn_refclk1 is connected to 100MHz clock, fix the clock frequency.
> >>
> >> Fixes: afd094ebe69f ("arm64: dts: ti: k3-j721e-main: Add WIZ and SERDES PHY nodes")
> >
> > Assume we want this part of 5.13 fixes?
>
> This doesn't fix any functionality. Okay for me to go in 5.14 along with
> the rest of the series.
> >
> >> Signed-off-by: Kishon Vijay Abraham I <kishon@xxxxxx>
> >> ---
> >> .../dts/ti/k3-j721e-common-proc-board.dts | 4 ++
> >> arch/arm64/boot/dts/ti/k3-j721e-main.dtsi | 58 ++++++++++---------
> >> 2 files changed, 34 insertions(+), 28 deletions(-)
> >>
> >> diff --git a/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
> >> index 60764366e22b..86f7ab511ee8 100644
> >> --- a/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
> >> +++ b/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
> >> @@ -635,6 +635,10 @@
> >> status = "disabled";
> >> };
> >>
> >> +&cmn_refclk1 {
> >> + clock-frequency = <100000000>;
> >> +};
> >> +
> >> &serdes0 {
> >> serdes0_pcie_link: link@0 {
> >> reg = <0>;
> >> diff --git a/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi b/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
> >> index c2aa45a3ac79..002a0c1520ee 100644
> >> --- a/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
> >> +++ b/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
> >> @@ -8,6 +8,20 @@
> >> #include <dt-bindings/mux/mux.h>
> >> #include <dt-bindings/mux/ti-serdes.h>
> >>
> >> +/ {
> >> + cmn_refclk: cmn-refclk {
> >> + #clock-cells = <0>;
> >> + compatible = "fixed-clock";
> >> + clock-frequency = <0>;
> >> + };
> >> +
> >> + cmn_refclk1: cmn-refclk1 {
> >
> > Just curious: why cant we use the standard nodenames with clock?
>
> We can use standard names here. Is there any defined nodename for
> clocks? clk or clock? Don't see $nodename defined for clocks in
> dt-schema repository.
Looking at the fixed-clock example, lets go with clock
--
Regards,
Nishanth Menon
Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3 1A34 DDB5 849D 1736 249D
