linux-kernel - Re: [PATCH 2/2] arm64: dts: freescale: add initial device tree for TQMa91xxCA/MBa91xxCA

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Message-ID: <aLCfTswvqXDLtAhm@lizhi-Precision-Tower-5810>
Date: Thu, 28 Aug 2025 14:26:22 -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>, 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 2/2] arm64: dts: freescale: add initial device tree for
 TQMa91xxCA/MBa91xxCA

On Thu, Aug 28, 2025 at 11:47:43AM +0200, Alexander Stein wrote:
> This adds support for TQMa91xxCA module attached to MBa91xxCA board.
> TQMa91xx is a SOM using i.MX91 SOC. The SOM features PMIC, RAM, e-MMC and
> some optional peripherals like SPI-NOR, RTC, EEPROM, gyroscope and
> secure element.
>
> Signed-off-by: Alexander Stein <alexander.stein@...tq-group.com>
> ---
>  arch/arm64/boot/dts/freescale/Makefile        |   1 +
>  .../freescale/imx91-tqma9131-mba91xxca.dts    | 737 ++++++++++++++++++
>  .../boot/dts/freescale/imx91-tqma9131.dtsi    | 295 +++++++
>  3 files changed, 1033 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/freescale/imx91-tqma9131-mba91xxca.dts
>  create mode 100644 arch/arm64/boot/dts/freescale/imx91-tqma9131.dtsi
>
> diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
> index 947de7f125caf..3a937232d6f29 100644
> --- a/arch/arm64/boot/dts/freescale/Makefile
> +++ b/arch/arm64/boot/dts/freescale/Makefile
> @@ -338,6 +338,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8qxp-tqma8xqps-mb-smarc-2.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx8ulp-9x9-evk.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx8ulp-evk.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx91-11x11-evk.dtb
> +dtb-$(CONFIG_ARCH_MXC) += imx91-tqma9131-mba91xxca.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx93-9x9-qsb.dtb
>
...
> +
> +	pinctrl_jtag: jtaggrp {
> +		fsl,pins = <MX91_PAD_DAP_TCLK_SWCLK__JTAG_MUX_TCK	0x051e>,
> +			   <MX91_PAD_DAP_TDI__JTAG_MUX_TDI		0x1200>,
> +			   <MX91_PAD_DAP_TDO_TRACESWO__JTAG_MUX_TDO	0x031e>,
> +			   <MX91_PAD_DAP_TMS_SWDIO__JTAG_MUX_TMS	0x1200>;
> +	};

Any one use it?

> +
> +	pinctrl_lpi2c3: lpi2c3grp {
> +		fsl,pins = /* SION | HYS | OD | FSEL_3 | DSE X4 */
> +			   <MX91_PAD_GPIO_IO28__LPI2C3_SDA		0x4000199e>,
> +			   <MX91_PAD_GPIO_IO29__LPI2C3_SCL		0x4000199e>;
> +	};
> +
...
> +
> +	/* protectable identification memory (part of M24C64-D @57) */
> +	eeprom@5f {
> +		compatible = "atmel,24c64d-wl";
> +		reg = <0x5f>;
> +		vcc-supply = <&buck4>;
> +	};
> +
> +	imu@6a {

I am not if "imu" is common node name.

Frank
> +		compatible = "st,ism330dhcx";
> +		reg = <0x6a>;
> +		vdd-supply = <&buck4>;
> +		vddio-supply = <&buck4>;
> +	};
> +};
> +
> +&usdhc1 {
> +	pinctrl-names = "default", "state_100mhz", "state_200mhz";
> +	pinctrl-0 = <&pinctrl_usdhc1>;
> +	pinctrl-1 = <&pinctrl_usdhc1>;
> +	pinctrl-2 = <&pinctrl_usdhc1>;
> +	vmmc-supply = <&buck4>;
> +	vqmmc-supply = <&buck5>;
> +	bus-width = <8>;
> +	non-removable;
> +	no-sdio;
> +	no-sd;
> +	status = "okay";
> +};
> +
...
> +};
> --
> 2.43.0
>