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Date:   Wed, 26 Jan 2022 20:47:33 +0800
From:   Shawn Guo <shawnguo@kernel.org>
To:     Abel Vesa <abel.vesa@nxp.com>
Cc:     Rob Herring <robh@kernel.org>, Dong Aisheng <aisheng.dong@nxp.com>,
        Sascha Hauer <s.hauer@pengutronix.de>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Fabio Estevam <festevam@gmail.com>,
        Pengutronix Kernel Team <kernel@pengutronix.de>,
        linux-i2c@vger.kernel.org, linux-serial@vger.kernel.org,
        NXP Linux Team <linux-imx@nxp.com>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
        Jacky Bai <ping.bai@nxp.com>
Subject: Re: [RESEND v4 05/10] arm64: dts: freescale: Add the imx8dxl
 connectivity subsys dtsi
Message-ID: <20220126124732.GR4686@dragon>
References: <1639680494-23183-1-git-send-email-abel.vesa@nxp.com>
 <1639680494-23183-6-git-send-email-abel.vesa@nxp.com>
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On Thu, Dec 16, 2021 at 08:48:09PM +0200, Abel Vesa wrote:
> From: Jacky Bai <ping.bai@nxp.com>
> 
> On i.MX8DXL, the Connectivity subsystem includes below peripherals:
> 1x ENET with AVB support, 1x ENET with TSN support, 2x USB OTG,
> 1x eMMC, 2x SD, 1x NAND.
> 
> Signed-off-by: Jacky Bai <ping.bai@nxp.com>
> Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
> ---
>  .../boot/dts/freescale/imx8dxl-ss-conn.dtsi   | 137 ++++++++++++++++++
>  1 file changed, 137 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/freescale/imx8dxl-ss-conn.dtsi
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8dxl-ss-conn.dtsi b/arch/arm64/boot/dts/freescale/imx8dxl-ss-conn.dtsi
> new file mode 100644
> index 000000000000..b0059296a03f
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx8dxl-ss-conn.dtsi
> @@ -0,0 +1,137 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> + * Copyright 2019-2021 NXP
> + */

Shouldn't we include imx8-ss-conn.dtsi here?  Otherwise, the
/delete-node/ and &conn_subsys reference below looks baseless.

> +
> +/delete-node/ &enet1_lpcg;
> +/delete-node/ &fec2;
> +
> +&conn_subsys {
> +	conn_enet0_root_clk: clock-conn-enet0-root {
> +		compatible = "fixed-clock";
> +		#clock-cells = <0>;
> +		clock-frequency = <250000000>;
> +		clock-output-names = "conn_enet0_root_clk";
> +	};
> +
> +	eqos: ethernet@5b050000 {
> +		compatible = "nxp,imx8dxl-dwmac-eqos", "snps,dwmac-5.10a";
> +		reg = <0x5b050000 0x10000>;
> +		interrupt-parent = <&gic>;
> +		interrupts = <GIC_SPI 163 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 162 IRQ_TYPE_LEVEL_HIGH>;
> +		interrupt-names = "eth_wake_irq", "macirq";
> +		clocks = <&eqos_lpcg IMX_LPCG_CLK_2>,
> +			 <&eqos_lpcg IMX_LPCG_CLK_4>,
> +			 <&eqos_lpcg IMX_LPCG_CLK_0>,
> +			 <&eqos_lpcg IMX_LPCG_CLK_3>,
> +			 <&eqos_lpcg IMX_LPCG_CLK_1>;
> +		clock-names = "stmmaceth", "pclk", "ptp_ref", "tx", "mem";
> +		assigned-clocks = <&clk IMX_SC_R_ENET_1 IMX_SC_PM_CLK_PER>;
> +		assigned-clock-rates = <125000000>;
> +		power-domains = <&pd IMX_SC_R_ENET_1>;
> +		clk_csr = <0>;

Is this property documented anywhere?

> +		status = "disabled";
> +	};
> +
> +	usbotg2: usb@5b0e0000 {
> +		compatible = "fsl,imx8dxl-usb", "fsl,imx7ulp-usb";
> +		reg = <0x5b0e0000 0x200>;
> +		interrupt-parent = <&gic>;
> +		interrupts = <GIC_SPI 166 IRQ_TYPE_LEVEL_HIGH>;
> +		fsl,usbphy = <&usbphy2>;
> +		fsl,usbmisc = <&usbmisc2 0>;
> +		/*
> +		 * usbotg1 and usbotg2 share one clcok

s/clcok/clock

> +		 * scfw disable clock access and keep it always on
> +		 * in case other core (M4) use one of these.
> +		 */
> +		clocks = <&clk_dummy>;
> +		ahb-burst-config = <0x0>;
> +		tx-burst-size-dword = <0x10>;
> +		rx-burst-size-dword = <0x10>;
> +		#stream-id-cells = <1>;
> +		power-domains = <&pd IMX_SC_R_USB_1>;
> +		status = "disabled";
> +	};
> +
> +	usbmisc2: usbmisc@5b0e0200 {
> +		#index-cells = <1>;
> +		compatible = "fsl,imx8dxl-usbmisc", "fsl,imx7ulp-usbmisc";
> +		reg = <0x5b0e0200 0x200>;
> +	};
> +
> +	usbphy2: usbphy@0x5b110000 {
> +		compatible = "fsl,imx8dxl-usbphy", "fsl,imx7ulp-usbphy";
> +		reg = <0x5b110000 0x1000>;
> +		clocks = <&usb2_2_lpcg IMX_LPCG_CLK_7>;
> +		status = "disabled";
> +	};
> +
> +	eqos_lpcg: clock-controller@5b240000 {
> +		compatible = "fsl,imx8qxp-lpcg";
> +		reg = <0x5b240000 0x10000>;
> +		#clock-cells = <1>;
> +		clocks = <&conn_enet0_root_clk>,
> +			 <&conn_axi_clk>,
> +			 <&conn_axi_clk>,
> +			 <&clk IMX_SC_R_ENET_1 IMX_SC_PM_CLK_PER>,
> +			 <&conn_ipg_clk>;
> +		clock-indices = <IMX_LPCG_CLK_0>,
> +				<IMX_LPCG_CLK_2>,
> +				<IMX_LPCG_CLK_4>,
> +				<IMX_LPCG_CLK_5>,
> +				<IMX_LPCG_CLK_6>;
> +		clock-output-names = "eqos_ptp",
> +				     "eqos_mem_clk",
> +				     "eqos_aclk",
> +				     "eqos_clk",
> +				     "eqos_csr_clk";
> +		power-domains = <&pd IMX_SC_R_ENET_1>;
> +	};
> +
> +	usb2_2_lpcg: clock-controller@5b280000 {
> +		compatible = "fsl,imx8qxp-lpcg";
> +		reg = <0x5b280000 0x10000>;
> +		#clock-cells = <1>;
> +

Unneeded newline.

Shawn

> +		clock-indices = <IMX_LPCG_CLK_7>;
> +		clocks = <&conn_ipg_clk>;
> +		clock-output-names = "usboh3_2_phy_ipg_clk";
> +	};
> +
> +};
> +
> +&enet0_lpcg {
> +	clocks = <&conn_enet0_root_clk>,
> +		 <&conn_enet0_root_clk>,
> +		 <&conn_axi_clk>,
> +		 <&clk IMX_SC_R_ENET_0 IMX_SC_C_TXCLK>,
> +		 <&conn_ipg_clk>,
> +		 <&conn_ipg_clk>;
> +};
> +
> +&fec1 {
> +	compatible = "fsl,imx8dxl-fec", "fsl,imx8qm-fec";
> +	interrupts = <GIC_SPI 160 IRQ_TYPE_LEVEL_HIGH>,
> +		     <GIC_SPI 158 IRQ_TYPE_LEVEL_HIGH>,
> +		     <GIC_SPI 159 IRQ_TYPE_LEVEL_HIGH>,
> +		     <GIC_SPI 161 IRQ_TYPE_LEVEL_HIGH>;
> +	assigned-clocks = <&clk IMX_SC_R_ENET_0 IMX_SC_C_CLKDIV>;
> +	assigned-clock-rates = <125000000>;
> +};
> +
> +&usdhc1 {
> +	compatible = "fsl,imx8dxl-usdhc", "fsl,imx8qxp-usdhc";
> +	interrupts = <GIC_SPI 138 IRQ_TYPE_LEVEL_HIGH>;
> +};
> +
> +&usdhc2 {
> +	compatible = "fsl,imx8dxl-usdhc", "fsl,imx8qxp-usdhc";
> +	interrupts = <GIC_SPI 139 IRQ_TYPE_LEVEL_HIGH>;
> +};
> +
> +&usdhc3 {
> +	compatible = "fsl,imx8dxl-usdhc", "fsl,imx8qxp-usdhc";
> +	interrupts = <GIC_SPI 140 IRQ_TYPE_LEVEL_HIGH>;
> +};
> -- 
> 2.31.1
>