From: Grygorii Strashko <grygorii.strashko@ti.com>
To: Suman Anna <s-anna@ti.com>, Nishanth Menon <nm@ti.com>
Cc: Jan Kiszka <jan.kiszka@siemens.com>,
Vignesh Raghavendra <vigneshr@ti.com>,
Kishon Vijay Abraham I <kishon@ti.com>,
Lokesh Vutla <lokeshvutla@ti.com>,
Grzegorz Jaszczyk <grzegorz.jaszczyk@linaro.org>,
<linux-arm-kernel@lists.infradead.org>,
<devicetree@vger.kernel.org>
Subject: Re: [PATCH 2/2] arm64: dts: ti: k3-j721e-main: Add ICSSG MDIO nodes
Date: Thu, 27 May 2021 18:13:03 +0300 [thread overview]
Message-ID: <499b9667-30c5-851a-0449-adadd594e5e7@ti.com> (raw)
In-Reply-To: <20210514224759.9987-3-s-anna@ti.com>
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@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@ti.com>
--
Best regards,
grygorii
WARNING: multiple messages have this Message-ID (diff)
From: Grygorii Strashko <grygorii.strashko@ti.com>
To: Suman Anna <s-anna@ti.com>, Nishanth Menon <nm@ti.com>
Cc: Jan Kiszka <jan.kiszka@siemens.com>,
Vignesh Raghavendra <vigneshr@ti.com>,
Kishon Vijay Abraham I <kishon@ti.com>,
Lokesh Vutla <lokeshvutla@ti.com>,
Grzegorz Jaszczyk <grzegorz.jaszczyk@linaro.org>,
<linux-arm-kernel@lists.infradead.org>,
<devicetree@vger.kernel.org>
Subject: Re: [PATCH 2/2] arm64: dts: ti: k3-j721e-main: Add ICSSG MDIO nodes
Date: Thu, 27 May 2021 18:13:03 +0300 [thread overview]
Message-ID: <499b9667-30c5-851a-0449-adadd594e5e7@ti.com> (raw)
In-Reply-To: <20210514224759.9987-3-s-anna@ti.com>
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@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@ti.com>
--
Best regards,
grygorii
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next prev parent reply other threads:[~2021-05-27 15:13 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-14 22:47 [PATCH 0/2] Add ICSSG MDIO nodes on AM65x & J721E SoCs Suman Anna
2021-05-14 22:47 ` Suman Anna
2021-05-14 22:47 ` [PATCH 1/2] arm64: dts: ti: k3-am65-main: Add ICSSG MDIO nodes Suman Anna
2021-05-14 22:47 ` Suman Anna
2021-05-27 15:12 ` Grygorii Strashko
2021-05-27 15:12 ` Grygorii Strashko
2021-05-28 5:09 ` Jan Kiszka
2021-05-28 5:09 ` Jan Kiszka
2021-05-28 5:22 ` Jan Kiszka
2021-05-28 5:22 ` Jan Kiszka
2021-05-28 12:20 ` Suman Anna
2021-05-28 12:20 ` Suman Anna
2021-05-14 22:47 ` [PATCH 2/2] arm64: dts: ti: k3-j721e-main: " Suman Anna
2021-05-14 22:47 ` Suman Anna
2021-05-27 15:13 ` Grygorii Strashko [this message]
2021-05-27 15:13 ` Grygorii Strashko
2021-05-14 22:58 ` [PATCH 0/2] Add ICSSG MDIO nodes on AM65x & J721E SoCs Grygorii Strashko
2021-05-14 22:58 ` Grygorii Strashko
2021-05-28 18:24 ` Nishanth Menon
2021-05-28 18:24 ` Nishanth Menon
2021-05-28 18:29 ` Suman Anna
2021-05-28 18:29 ` Suman Anna
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