linux-kernel - Re: [PATCH v2 7/7] arm64: dts: freescale: imx95-19x19-evk: add lpi2c[5, 6] and sub-nodes

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Message-ID: <3244531.5fSG56mABF@steina-w>
Date: Thu, 05 Sep 2024 14:26:36 +0200
From: Alexander Stein <alexander.stein@...tq-group.com>
To: 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>, linux-arm-kernel@...ts.infradead.org
Cc: devicetree@...r.kernel.org, imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, Peng Fan <peng.fan@....com>, "Peng Fan (OSS)" <peng.fan@....nxp.com>
Subject: Re: [PATCH v2 7/7] arm64: dts: freescale: imx95-19x19-evk: add lpi2c[5, 6] and sub-nodes

Hi,

Am Dienstag, 3. September 2024, 09:17:52 CEST schrieb Peng Fan (OSS):
> From: Peng Fan <peng.fan@....com>
> 
> Add LPI2C[5,6] and the gpio expander subnodes.
> Since we are at here, also add the alias for all lpi2c and gpio nodes.
> 
> Signed-off-by: Peng Fan <peng.fan@....com>
> ---
>  arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts | 69 +++++++++++++++++++++++
>  1 file changed, 69 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts b/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
> index 5101cd171e09..6086cb7fa5a0 100644
> --- a/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
> +++ b/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
> @@ -22,6 +22,19 @@ / {
>  	compatible = "fsl,imx95-19x19-evk", "fsl,imx95";
>  
>  	aliases {
> +		gpio0 = &gpio1;
> +		gpio1 = &gpio2;
> +		gpio2 = &gpio3;
> +		gpio3 = &gpio4;
> +		gpio4 = &gpio5;
> +		i2c0 = &lpi2c1;
> +		i2c1 = &lpi2c2;
> +		i2c2 = &lpi2c3;
> +		i2c3 = &lpi2c4;
> +		i2c4 = &lpi2c5;
> +		i2c5 = &lpi2c6;
> +		i2c6 = &lpi2c7;
> +		i2c7 = &lpi2c8;

This seems to be something for the SoC imx95.dtsi, no?

Best regards,
Alexander

>  		mmc0 = &usdhc1;
>  		mmc1 = &usdhc2;
>  		serial0 = &lpuart1;
> @@ -241,6 +254,42 @@ i2c4_gpio_expander_21: gpio@21 {
>  	};
>  };
>  
> +&lpi2c5 {
> +	clock-frequency = <100000>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_lpi2c5>;
> +	status = "okay";
> +
> +	i2c5_pcal6408: gpio@21 {
> +		compatible = "nxp,pcal6408";
> +		reg = <0x21>;
> +		gpio-controller;
> +		#gpio-cells = <2>;
> +		vcc-supply = <&reg_3p3v>;
> +	};
> +};
> +
> +&lpi2c6 {
> +	clock-frequency = <100000>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_lpi2c6>;
> +	status = "okay";
> +
> +	i2c6_pcal6416: gpio@21 {
> +		compatible = "nxp,pcal6416";
> +		reg = <0x21>;
> +		gpio-controller;
> +		#gpio-cells = <2>;
> +		interrupt-controller;
> +		#interrupt-cells = <2>;
> +		interrupt-parent = <&gpio4>;
> +		interrupts = <28 IRQ_TYPE_LEVEL_LOW>;
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_pcal6416>;
> +		vcc-supply = <&reg_3p3v>;
> +	};
> +};
> +
>  &lpi2c7 {
>  	clock-frequency = <1000000>;
>  	pinctrl-names = "default";
> @@ -427,6 +476,20 @@ IMX95_PAD_GPIO_IO31__LPI2C4_SCL			0x40000b9e
>  		>;
>  	};
>  
> +	pinctrl_lpi2c5: lpi2c5grp {
> +		fsl,pins = <
> +			IMX95_PAD_GPIO_IO22__LPI2C5_SDA			0x40000b9e
> +			IMX95_PAD_GPIO_IO23__LPI2C5_SCL			0x40000b9e
> +		>;
> +	};
> +
> +	pinctrl_lpi2c6: lpi2c6grp {
> +		fsl,pins = <
> +			IMX95_PAD_GPIO_IO02__LPI2C6_SDA			0x40000b9e
> +			IMX95_PAD_GPIO_IO03__LPI2C6_SCL			0x40000b9e
> +		>;
> +	};
> +
>  	pinctrl_lpi2c7: lpi2c7grp {
>  		fsl,pins = <
>  			IMX95_PAD_GPIO_IO08__LPI2C7_SDA			0x40000b9e
> @@ -446,6 +509,12 @@ IMX95_PAD_GPIO_IO35__HSIOMIX_TOP_PCIE2_CLKREQ_B		0x4000031e
>  		>;
>  	};
>  
> +	pinctrl_pcal6416: pcal6416grp {
> +		fsl,pins = <
> +			IMX95_PAD_CCM_CLKO3__GPIO4_IO_BIT28			0x31e
> +		>;
> +	};
> +
>  	pinctrl_pdm: pdmgrp {
>  		fsl,pins = <
>  			IMX95_PAD_PDM_CLK__AONMIX_TOP_PDM_CLK				0x31e
> 
> 


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