[PATCH 2/2] arm64: dts: ti: k3-j721e-main: Add ICSSG MDIO nodes
Grygorii Strashko
grygorii.strashko at ti.com
Thu May 27 08:13:03 PDT 2021
On 15/05/2021 01:47, Suman Anna wrote:
> The ICSSGs on K3 J721E SoCs contain an MDIO controller that can
> be used to control external PHYs associated with the Industrial
> Ethernet peripherals within each ICSSG instance. The MDIO module
> used within the ICSSG is similar to the MDIO Controller used
> in TI Davinci SoCs. A bus frequency of 1 MHz is chosen for the
> MDIO operations.
>
> The nodes are added and enabled in the common k3-j721e-main.dtsi
> file by default, and disabled in the existing J721E board dts
> file. These nodes need pinctrl lines, and so should be enabled
> only on boards where they are actually wired and pinned out for
> ICSSG Ethernet. Any new board dts file should disable these if
> they are not sure.
>
> Signed-off-by: Suman Anna <s-anna at ti.com>
> ---
> .../dts/ti/k3-j721e-common-proc-board.dts | 8 ++++++++
> arch/arm64/boot/dts/ti/k3-j721e-main.dtsi | 20 +++++++++++++++++++
> 2 files changed, 28 insertions(+)
>
Reviewed-by: Grygorii Strashko <grygorii.strashko at ti.com>
--
Best regards,
grygorii
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