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SubjectRe: [PATCH v2 6/7] arm64: dts: ti: k3-j7200-common-proc-board: Enable SERDES0
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On 11/9/20 10:34 PM, Kishon Vijay Abraham I wrote:
> Add sub-nodes to SERDES0 DT node to represent SERDES0 is connected
> to PCIe and QSGMII (multi-link SERDES).
>
> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
> ---
> .../dts/ti/k3-j7200-common-proc-board.dts | 23 +++++++++++++++++++
> 1 file changed, 23 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts
> index ef03e7636b66..65a2e5aeb050 100644
> --- a/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts
> +++ b/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts
> @@ -8,6 +8,7 @@
> #include "k3-j7200-som-p0.dtsi"
> #include <dt-bindings/net/ti-dp83867.h>
> #include <dt-bindings/mux/ti-serdes.h>
> +#include <dt-bindings/phy/phy.h>
>
> / {
> chosen {
> @@ -213,3 +214,25 @@
> dr_mode = "otg";
> maximum-speed = "high-speed";
> };
> +
> +&serdes_refclk {
> + clock-frequency = <100000000>;
> +};

Since this is a reference clk from the board, should the entire node be
here instead of in k3-j7200-main.dtsi?

> +
> +&serdes0 {
> + serdes0_pcie_link: phy@0 {
> + reg = <0>;
> + cdns,num-lanes = <2>;
> + #phy-cells = <0>;
> + cdns,phy-type = <PHY_TYPE_PCIE>;
> + resets = <&serdes_wiz0 1>, <&serdes_wiz0 2>;
> + };
> +
> + serdes0_qsgmii_link: phy@1 {
> + reg = <2>;
> + cdns,num-lanes = <1>;
> + #phy-cells = <0>;
> + cdns,phy-type = <PHY_TYPE_QSGMII>;
> + resets = <&serdes_wiz0 3>;
> + };
> +};
>

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