linux-kernel - Re: [PATCH v2 2/2] arm64: dts: ls1028a: Add mbls1028a and mbls1028a-ind devicetrees

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Message-ID: <aPZV1aGxccYjJqNP@lizhi-Precision-Tower-5810>
Date: Mon, 20 Oct 2025 11:31:33 -0400
From: Frank Li <Frank.li@....com>
To: Alexander Stein <alexander.stein@...tq-group.com>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	Gregor Herburger <gregor.herburger@...group.com>,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org,
	linux@...tq-group.com
Subject: Re: [PATCH v2 2/2] arm64: dts: ls1028a: Add mbls1028a and
 mbls1028a-ind devicetrees

On Mon, Oct 20, 2025 at 03:35:33PM +0200, Alexander Stein wrote:
> From: Gregor Herburger <gregor.herburger@...group.com>
>
> Add device trees for the MBLS1028A and the MBLS1028A-IND and the SoM
> TQMLS1028A.
>
> Signed-off-by: Gregor Herburger <gregor.herburger@...group.com>
> Signed-off-by: Alexander Stein <alexander.stein@...tq-group.com>
> ---
> Changes in v2:
> * Sort node and properties alphabetically
> * Add clock-frequency to i2c nodes
> * Add eMMC supplies
> * Add comment about unused TMU
>
>  arch/arm64/boot/dts/freescale/Makefile        |   2 +
>  .../fsl-ls1028a-tqmls1028a-mbls1028a-ind.dts  |  68 ++++
>  .../fsl-ls1028a-tqmls1028a-mbls1028a.dts      | 118 +++++++
>  .../fsl-ls1028a-tqmls1028a-mbls1028a.dtsi     | 294 ++++++++++++++++++
>  .../dts/freescale/fsl-ls1028a-tqmls1028a.dtsi | 124 ++++++++
>  5 files changed, 606 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/freescale/fsl-ls1028a-tqmls1028a-mbls1028a-ind.dts
>  create mode 100644 arch/arm64/boot/dts/freescale/fsl-ls1028a-tqmls1028a-mbls1028a.dts
>  create mode 100644 arch/arm64/boot/dts/freescale/fsl-ls1028a-tqmls1028a-mbls1028a.dtsi
>  create mode 100644 arch/arm64/boot/dts/freescale/fsl-ls1028a-tqmls1028a.dtsi
>
...
> +
> +&enetc_mdio_pf3 {
> +	mdio0_rgmii_phy00: ethernet-phy@0 {
> +		compatible = "ethernet-phy-ieee802.3-c22";
> +		reg = <0x00>;
> +		reset-gpios = <&gpio_exp_1v8 1 GPIO_ACTIVE_LOW>;
> +		reset-assert-us = <1>;
> +		reset-deassert-us = <200>;
> +		interrupt-parent = <&gpio_exp_1v8>;
> +		interrupts = <0 IRQ_TYPE_EDGE_FALLING>;
> +		ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_50_NS>;

Just curious

how CHECK_DTBS to find net/ti,dp83867.yaml by use "ethernet-phy-ieee802.3-c22"
compatible strings.

Frank

> +		ti,tx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>;
> +		ti,led-function = <0x05b0>;
> +		ti,led-ctrl = <0x1001>;
> +		ti,clk-output-sel = <DP83867_CLK_O_SEL_OFF>;
> +		ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
> +	};
> +

...

> + * as its driver can cause log spam outside of its measurement range (0-125C).
> + *
> + * Will have to be reevaluated if this DTS is ported to a mainline kernel,
> + * as both sensors of the TMU are referenced by the default LS1028A
> + * thermal-zones definitions there.
> + */
> +&tmu {
> +	status = "disabled";
> +};
> --
> 2.43.0
>