Re: [PATCH v4 3/3] arm64: dts: imx93: Add phyBOARD-Segin-i.MX93 support

Primoz Fiser
2024-01-23T08:35:07Z

Hi Mathieu,

I tested your v4 on the phyBOARD-Segin-i.MX93 and latest master and the
board boots and there are no obvious issues.

eMMC, SDcard, UART, Ethernet, Watchdog and LED work.

With that for v5 you can add:

Tested-by: Primoz Fiser <primoz.fiser@norik.com>

See one additional nitpick bellow...

On 22. 01. 24 10:53, Mathieu Othacehe wrote:
> Add basic support for phyBOARD-Segin-i.MX93.
> Main features are:
> * eMMC
> * Ethernet
> * SD-Card
> * UART
>
> Signed-off-by: Mathieu Othacehe <othacehe@gnu.org>
> ---
> arch/arm64/boot/dts/freescale/Makefile | 1 +
> .../dts/freescale/imx93-phyboard-segin.dts | 141 ++++++++++++++++++
> .../boot/dts/freescale/imx93-phycore-som.dtsi | 127 ++++++++++++++++
> 3 files changed, 269 insertions(+)
> create mode 100644 arch/arm64/boot/dts/freescale/imx93-phyboard-segin.dts
> create mode 100644 arch/arm64/boot/dts/freescale/imx93-phycore-som.dtsi
>
> diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
> index 2e027675d7bb..65db918c821c 100644
> --- a/arch/arm64/boot/dts/freescale/Makefile
> +++ b/arch/arm64/boot/dts/freescale/Makefile
> @@ -201,6 +201,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8qxp-colibri-iris-v2.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8qxp-mek.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8ulp-evk.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx93-11x11-evk.dtb
> +dtb-$(CONFIG_ARCH_MXC) += imx93-phyboard-segin.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx93-tqma9352-mba93xxca.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx93-tqma9352-mba93xxla.dtb
>
> diff --git a/arch/arm64/boot/dts/freescale/imx93-phyboard-segin.dts b/arch/arm64/boot/dts/freescale/imx93-phyboard-segin.dts
> new file mode 100644
> index 000000000000..5433c33d1322
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx93-phyboard-segin.dts
> @@ -0,0 +1,141 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright (C) 2023 PHYTEC Messtechnik GmbH
> + * Author: Wadim Egorov <w.egorov@phytec.de>, Christoph Stoidner <c.stoidner@phytec.de>
> + * Copyright (C) 2024 Mathieu Othacehe <m.othacehe@gmail.com>
> + *
> + * Product homepage:
> + * phyBOARD-Segin carrier board is reused for the i.MX93 design.
> + * https://www.phytec.de/produkte/single-board-computer/phyboard-segin-imx6ul/

Can you please replace this link with ENG version in v5:

https://www.phytec.eu/en/produkte/single-board-computer/phyboard-segin-imx6ul/

> + */
> +
> +#include "imx93-phycore-som.dtsi"
> +
> +/{
> + model = "PHYTEC phyBOARD-Segin-i.MX93";
> + compatible = "phytec,imx93-phyboard-segin", "phytec,imx93-phycore-som",
> + "fsl,imx93";
> +
> + chosen {
> + stdout-path = &lpuart1;
> + };
> +
> + reg_usdhc2_vmmc: regulator-usdhc2 {
> + compatible = "regulator-fixed";
> + enable-active-high;
> + gpio = <&gpio3 7 GPIO_ACTIVE_HIGH>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_reg_usdhc2_vmmc>;
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-name = "VCC_SD";
> + };
> +};
> +
> +/* GPIOs */
> +&gpio1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_gpio1>;
> + gpio-line-names = "X_GPIO1_3";
> +};
> +
> +&gpio4 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_gpio4>;
> + gpio-line-names = "", "", "", "", "", "", "", "X_GPIO5_9";
> +};
> +
> +/* Console */
> +&lpuart1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_uart1>;
> + status = "okay";
> +};
> +
> +/* eMMC */
> +&usdhc1 {
> + no-1-8-v;
> +};
> +
> +/* SD-Card */
> +&usdhc2 {
> + pinctrl-names = "default", "state_100mhz", "state_200mhz";
> + pinctrl-0 = <&pinctrl_usdhc2_default>, <&pinctrl_usdhc2_cd>;
> + pinctrl-1 = <&pinctrl_usdhc2_100mhz>, <&pinctrl_usdhc2_cd>;
> + pinctrl-2 = <&pinctrl_usdhc2_200mhz>, <&pinctrl_usdhc2_cd>;
> + bus-width = <4>;
> + cd-gpios = <&gpio3 0 GPIO_ACTIVE_LOW>;
> + no-mmc;
> + no-sdio;
> + vmmc-supply = <&reg_usdhc2_vmmc>;
> + status = "okay";
> +};
> +
> +&iomuxc {
> + pinctrl_gpio1: gpio1grp {
> + fsl,pins = <
> + MX93_PAD_I2C1_SCL__GPIO1_IO00 0x10
> + >;
> + };
> +
> + pinctrl_gpio4: gpio4grp {
> + fsl,pins = <
> + MX93_PAD_ENET1_TXC__GPIO4_IO07 0x10
> + >;
> + };
> +
> + pinctrl_uart1: uart1grp {
> + fsl,pins = <
> + MX93_PAD_UART1_RXD__LPUART1_RX 0x31e
> + MX93_PAD_UART1_TXD__LPUART1_TX 0x30e
> + >;
> + };
> +
> + pinctrl_reg_usdhc2_vmmc: regusdhc2vmmcgrp {
> + fsl,pins = <
> + MX93_PAD_SD2_RESET_B__GPIO3_IO07 0x31e
> + >;
> + };
> +
> + pinctrl_usdhc2_cd: usdhc2cdgrp {
> + fsl,pins = <
> + MX93_PAD_SD2_CD_B__GPIO3_IO00 0x31e
> + >;
> + };
> +
> + pinctrl_usdhc2_default: usdhc2grp {
> + fsl,pins = <
> + MX93_PAD_SD2_CLK__USDHC2_CLK 0x179e
> + MX93_PAD_SD2_CMD__USDHC2_CMD 0x139e
> + MX93_PAD_SD2_DATA0__USDHC2_DATA0 0x138e
> + MX93_PAD_SD2_DATA1__USDHC2_DATA1 0x138e
> + MX93_PAD_SD2_DATA2__USDHC2_DATA2 0x138e
> + MX93_PAD_SD2_DATA3__USDHC2_DATA3 0x139e
> + MX93_PAD_SD2_VSELECT__USDHC2_VSELECT 0x51e
> + >;
> + };
> +
> + pinctrl_usdhc2_100mhz: usdhc2grp {
> + fsl,pins = <
> + MX93_PAD_SD2_CLK__USDHC2_CLK 0x179e
> + MX93_PAD_SD2_CMD__USDHC2_CMD 0x139e
> + MX93_PAD_SD2_DATA0__USDHC2_DATA0 0x138e
> + MX93_PAD_SD2_DATA1__USDHC2_DATA1 0x138e
> + MX93_PAD_SD2_DATA2__USDHC2_DATA2 0x139e
> + MX93_PAD_SD2_DATA3__USDHC2_DATA3 0x139e
> + MX93_PAD_SD2_VSELECT__USDHC2_VSELECT 0x51e
> + >;
> + };
> +
> + pinctrl_usdhc2_200mhz: usdhc2grp {
> + fsl,pins = <
> + MX93_PAD_SD2_CLK__USDHC2_CLK 0x178e
> + MX93_PAD_SD2_CMD__USDHC2_CMD 0x139e
> + MX93_PAD_SD2_DATA0__USDHC2_DATA0 0x139e
> + MX93_PAD_SD2_DATA1__USDHC2_DATA1 0x139e
> + MX93_PAD_SD2_DATA2__USDHC2_DATA2 0x139e
> + MX93_PAD_SD2_DATA3__USDHC2_DATA3 0x139e
> + MX93_PAD_SD2_VSELECT__USDHC2_VSELECT 0x51e
> + >;
> + };
> +};
> diff --git a/arch/arm64/boot/dts/freescale/imx93-phycore-som.dtsi b/arch/arm64/boot/dts/freescale/imx93-phycore-som.dtsi
> new file mode 100644
> index 000000000000..439ea4176f8c
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx93-phycore-som.dtsi
> @@ -0,0 +1,127 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright (C) 2023 PHYTEC Messtechnik GmbH
> + * Author: Wadim Egorov <w.egorov@phytec.de>, Christoph Stoidner <c.stoidner@phytec.de>
> + * Copyright (C) 2024 Mathieu Othacehe <m.othacehe@gmail.com>
> + *
> + * Product homepage:
> + * https://www.phytec.de/produkte/system-on-modules/phycore-imx-91-93/
> + */

and here use this link:

https://www.phytec.eu/en/produkte/system-on-modules/phycore-imx-91-93/

The plan is to also replace it in the downstream kernel.

Thanks

BR,
Primoz

> +/dts-v1/;
> +
> +#include <dt-bindings/leds/common.h>
> +
> +#include "imx93.dtsi"
> +
> +/{
> + model = "PHYTEC phyCORE-i.MX93";
> + compatible = "phytec,imx93-phycore-som", "fsl,imx93";
> +
> + reserved-memory {
> + ranges;
> + #address-cells = <2>;
> + #size-cells = <2>;
> +
> + linux,cma {
> + compatible = "shared-dma-pool";
> + reusable;
> + alloc-ranges = <0 0x80000000 0 0x40000000>;
> + size = <0 0x10000000>;
> + linux,cma-default;
> + };
> + };
> +
> + leds {
> + compatible = "gpio-leds";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_leds>;
> +
> + led-0 {
> + color = <LED_COLOR_ID_GREEN>;
> + function = LED_FUNCTION_HEARTBEAT;
> + gpios = <&gpio1 1 GPIO_ACTIVE_HIGH>;
> + linux,default-trigger = "heartbeat";
> + };
> + };
> +};
> +
> +/* Ethernet */
> +&fec {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_fec>;
> + phy-mode = "rmii";
> + phy-handle = <&ethphy1>;
> + fsl,magic-packet;
> + assigned-clocks = <&clk IMX93_CLK_ENET_TIMER1>,
> + <&clk IMX93_CLK_ENET_REF>,
> + <&clk IMX93_CLK_ENET_REF_PHY>;
> + assigned-clock-parents = <&clk IMX93_CLK_SYS_PLL_PFD1_DIV2>,
> + <&clk IMX93_CLK_SYS_PLL_PFD1_DIV2>,
> + <&clk IMX93_CLK_SYS_PLL_PFD1_DIV2>;
> + assigned-clock-rates = <100000000>, <50000000>, <50000000>;
> + status = "okay";
> +
> + mdio: mdio {
> + clock-frequency = <5000000>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + ethphy1: ethernet-phy@1 {
> + compatible = "ethernet-phy-ieee802.3-c22";
> + reg = <1>;
> + };
> + };
> +};
> +
> +/* eMMC */
> +&usdhc1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_usdhc1>;
> + bus-width = <8>;
> + non-removable;
> + status = "okay";
> +};
> +
> +/* Watchdog */
> +&wdog3 {
> + status = "okay";
> +};
> +
> +&iomuxc {
> + pinctrl_fec: fecgrp {
> + fsl,pins = <
> + MX93_PAD_ENET2_MDC__ENET1_MDC 0x50e
> + MX93_PAD_ENET2_MDIO__ENET1_MDIO 0x502
> + MX93_PAD_ENET2_RD0__ENET1_RGMII_RD0 0x57e
> + MX93_PAD_ENET2_RD1__ENET1_RGMII_RD1 0x57e
> + MX93_PAD_ENET2_RXC__ENET1_RX_ER 0x5fe
> + MX93_PAD_ENET2_RX_CTL__ENET1_RGMII_RX_CTL 0x57e
> + MX93_PAD_ENET2_TD0__ENET1_RGMII_TD0 0x50e
> + MX93_PAD_ENET2_TD1__ENET1_RGMII_TD1 0x50e
> + MX93_PAD_ENET2_TX_CTL__ENET1_RGMII_TX_CTL 0x50e
> + MX93_PAD_ENET2_TD2__ENET1_TX_CLK 0x4000050e
> + >;
> + };
> +
> + pinctrl_leds: ledsgrp {
> + fsl,pins = <
> + MX93_PAD_I2C1_SDA__GPIO1_IO01 0x31e
> + >;
> + };
> +
> + pinctrl_usdhc1: usdhc1grp {
> + fsl,pins = <
> + MX93_PAD_SD1_CLK__USDHC1_CLK 0x179e
> + MX93_PAD_SD1_CMD__USDHC1_CMD 0x1386
> + MX93_PAD_SD1_DATA0__USDHC1_DATA0 0x138e
> + MX93_PAD_SD1_DATA1__USDHC1_DATA1 0x1386
> + MX93_PAD_SD1_DATA2__USDHC1_DATA2 0x138e
> + MX93_PAD_SD1_DATA3__USDHC1_DATA3 0x1386
> + MX93_PAD_SD1_DATA4__USDHC1_DATA4 0x1386
> + MX93_PAD_SD1_DATA5__USDHC1_DATA5 0x1386
> + MX93_PAD_SD1_DATA6__USDHC1_DATA6 0x1386
> + MX93_PAD_SD1_DATA7__USDHC1_DATA7 0x1386
> + MX93_PAD_SD1_STROBE__USDHC1_STROBE 0x179e
> + >;
> + };
> +};