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Date: Mon, 18 Apr 2022 21:14:02 +0800
From: Shawn Guo <shawnguo@...nel.org>
To: Abel Vesa <abel.vesa@....com>
Cc: Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
Ulf Hansson <ulf.hansson@...aro.org>,
Sascha Hauer <s.hauer@...gutronix.de>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
Fabio Estevam <fabio.estevam@....com>,
NXP Linux Team <linux-imx@....com>,
devicetree@...r.kernel.org,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
linux-mmc@...r.kernel.org, netdev@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, Jacky Bai <ping.bai@....com>
Subject: Re: [PATCH v6 03/13] arm64: dts: freescale: Add the imx8dxl
connectivity subsys dtsi
On Wed, Apr 13, 2022 at 01:33:46PM +0300, Abel Vesa wrote:
> From: Jacky Bai <ping.bai@....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@....com>
> Signed-off-by: Abel Vesa <abel.vesa@....com>
I got following warning with 'W=1' build flag.
../arch/arm64/boot/dts/freescale/imx8dxl-ss-conn.dtsi:10.45-15.4: Warning (simple_bus_reg): /bus@...00000/clock-conn-enet0-root: missing or empty reg/ranges property
../arch/arm64/boot/dts/freescale/imx8dxl-ss-conn.dtsi:63.29-68.4: Warning (simple_bus_reg): /bus@...00000/usbphy@...b110000: simple-bus unit address format error, expected "5b110000"
../arch/arm64/boot/dts/freescale/imx8dxl-ss-ddr.dtsi:7.27-12.4: Warning (simple_bus_reg): /bus@...00000/clock-db-ipg: missing or empty reg/ranges property
Shawn
> ---
> .../boot/dts/freescale/imx8dxl-ss-conn.dtsi | 134 ++++++++++++++++++
> 1 file changed, 134 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..b776d0ed42b4
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx8dxl-ss-conn.dtsi
> @@ -0,0 +1,134 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> + * Copyright 2019-2021 NXP
> + */
> +
> +/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@...50000 {
> + 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>;
> + status = "disabled";
> + };
> +
> + usbotg2: usb@...e0000 {
> + 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 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>;
Where do I find bindings for this property?
Shawn
> + power-domains = <&pd IMX_SC_R_USB_1>;
> + status = "disabled";
> + };
> +
> + usbmisc2: usbmisc@...e0200 {
> + #index-cells = <1>;
> + compatible = "fsl,imx8dxl-usbmisc", "fsl,imx7ulp-usbmisc";
> + reg = <0x5b0e0200 0x200>;
> + };
> +
> + usbphy2: usbphy@...b110000 {
> + compatible = "fsl,imx8dxl-usbphy", "fsl,imx7ulp-usbphy";
> + reg = <0x5b110000 0x1000>;
> + clocks = <&usb2_2_lpcg IMX_LPCG_CLK_7>;
> + status = "disabled";
> + };
> +
> + eqos_lpcg: clock-controller@...40000 {
> + 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@...80000 {
> + compatible = "fsl,imx8qxp-lpcg";
> + reg = <0x5b280000 0x10000>;
> + #clock-cells = <1>;
> + 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>;
> +};
> --
> 2.34.1
>
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