Re: [PATCH V2 3/3] arm64: dts: freescale: Add i.MX8MN DDR4 EVK board support

From: Abel Vesa
Date: Mon Jun 03 2019 - 03:37:50 EST

On 19-06-03 09:27:47, Anson.Huang@xxxxxxx wrote:
> From: Anson Huang <Anson.Huang@xxxxxxx>
>
> This patch adds basic i.MM8MN DDR4 EVK board support.
>
> Signed-off-by: Anson Huang <Anson.Huang@xxxxxxx>
> ---
> No changes.
> ---
> arch/arm64/boot/dts/freescale/Makefile | 1 +
> arch/arm64/boot/dts/freescale/imx8mn-ddr4-evk.dts | 217 ++++++++++++++++++++++
> 2 files changed, 218 insertions(+)
> create mode 100644 arch/arm64/boot/dts/freescale/imx8mn-ddr4-evk.dts
>
> diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
> index 0bd122f..2cdd4cc 100644
> --- a/arch/arm64/boot/dts/freescale/Makefile
> +++ b/arch/arm64/boot/dts/freescale/Makefile
> @@ -20,6 +20,7 @@ dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls2088a-rdb.dtb
> dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-lx2160a-qds.dtb
> dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-lx2160a-rdb.dtb
>
> +dtb-$(CONFIG_ARCH_MXC) += imx8mn-ddr4-evk.dtb

Nitpick: Move this bellow imx8mm-evk.dtb to keep them alphabetically ordered.

> dtb-$(CONFIG_ARCH_MXC) += imx8mm-evk.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mq-evk.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mq-zii-ultra-rmb3.dtb
> diff --git a/arch/arm64/boot/dts/freescale/imx8mn-ddr4-evk.dts b/arch/arm64/boot/dts/freescale/imx8mn-ddr4-evk.dts
> new file mode 100644
> index 0000000..da552c2
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx8mn-ddr4-evk.dts
> @@ -0,0 +1,217 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright 2019 NXP
> + */
> +
> +/dts-v1/;
> +
> +#include "imx8mn.dtsi"
> +
> +/ {
> + model = "NXP i.MX8MNano DDR4 EVK board";
> + compatible = "fsl,imx8mn-ddr4-evk", "fsl,imx8mn";
> +
> + chosen {
> + stdout-path = &uart2;
> + };
> +
> + reg_usdhc2_vmmc: regulator-usdhc2 {
> + compatible = "regulator-fixed";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_reg_usdhc2_vmmc>;
> + regulator-name = "VSD_3V3";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + gpio = <&gpio2 19 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> + };
> +};
> +
> +&iomuxc {
> + pinctrl-names = "default";
> +
> + pinctrl_fec1: fec1grp {
> + fsl,pins = <
> + MX8MN_IOMUXC_ENET_MDC_ENET1_MDC 0x3
> + MX8MN_IOMUXC_ENET_MDIO_ENET1_MDIO 0x3
> + MX8MN_IOMUXC_ENET_TD3_ENET1_RGMII_TD3 0x1f
> + MX8MN_IOMUXC_ENET_TD2_ENET1_RGMII_TD2 0x1f
> + MX8MN_IOMUXC_ENET_TD1_ENET1_RGMII_TD1 0x1f
> + MX8MN_IOMUXC_ENET_TD0_ENET1_RGMII_TD0 0x1f
> + MX8MN_IOMUXC_ENET_RD3_ENET1_RGMII_RD3 0x91
> + MX8MN_IOMUXC_ENET_RD2_ENET1_RGMII_RD2 0x91
> + MX8MN_IOMUXC_ENET_RD1_ENET1_RGMII_RD1 0x91
> + MX8MN_IOMUXC_ENET_RD0_ENET1_RGMII_RD0 0x91
> + MX8MN_IOMUXC_ENET_TXC_ENET1_RGMII_TXC 0x1f
> + MX8MN_IOMUXC_ENET_RXC_ENET1_RGMII_RXC 0x91
> + MX8MN_IOMUXC_ENET_RX_CTL_ENET1_RGMII_RX_CTL 0x91
> + MX8MN_IOMUXC_ENET_TX_CTL_ENET1_RGMII_TX_CTL 0x1f
> + MX8MN_IOMUXC_SAI2_RXC_GPIO4_IO22 0x19
> + >;
> + };
> +
> + pinctrl_reg_usdhc2_vmmc: regusdhc2vmmc {
> + fsl,pins = <
> + MX8MN_IOMUXC_SD2_RESET_B_GPIO2_IO19 0x41
> + >;
> + };
> +
> + pinctrl_uart2: uart2grp {
> + fsl,pins = <
> + MX8MN_IOMUXC_UART2_RXD_UART2_DCE_RX 0x140
> + MX8MN_IOMUXC_UART2_TXD_UART2_DCE_TX 0x140
> + >;
> + };
> +
> + pinctrl_usdhc2_gpio: usdhc2grpgpio {
> + fsl,pins = <
> + MX8MN_IOMUXC_GPIO1_IO15_GPIO1_IO15 0x1c4
> + >;
> + };
> +
> + pinctrl_usdhc2: usdhc2grp {
> + fsl,pins = <
> + MX8MN_IOMUXC_SD2_CLK_USDHC2_CLK 0x190
> + MX8MN_IOMUXC_SD2_CMD_USDHC2_CMD 0x1d0
> + MX8MN_IOMUXC_SD2_DATA0_USDHC2_DATA0 0x1d0
> + MX8MN_IOMUXC_SD2_DATA1_USDHC2_DATA1 0x1d0
> + MX8MN_IOMUXC_SD2_DATA2_USDHC2_DATA2 0x1d0
> + MX8MN_IOMUXC_SD2_DATA3_USDHC2_DATA3 0x1d0
> + MX8MN_IOMUXC_GPIO1_IO04_USDHC2_VSELECT 0x1d0
> + >;
> + };
> +
> + pinctrl_usdhc2_100mhz: usdhc2grp100mhz {
> + fsl,pins = <
> + MX8MN_IOMUXC_SD2_CLK_USDHC2_CLK 0x194
> + MX8MN_IOMUXC_SD2_CMD_USDHC2_CMD 0x1d4
> + MX8MN_IOMUXC_SD2_DATA0_USDHC2_DATA0 0x1d4
> + MX8MN_IOMUXC_SD2_DATA1_USDHC2_DATA1 0x1d4
> + MX8MN_IOMUXC_SD2_DATA2_USDHC2_DATA2 0x1d4
> + MX8MN_IOMUXC_SD2_DATA3_USDHC2_DATA3 0x1d4
> + MX8MN_IOMUXC_GPIO1_IO04_USDHC2_VSELECT 0x1d0
> + >;
> + };
> +
> + pinctrl_usdhc2_200mhz: usdhc2grp200mhz {
> + fsl,pins = <
> + MX8MN_IOMUXC_SD2_CLK_USDHC2_CLK 0x196
> + MX8MN_IOMUXC_SD2_CMD_USDHC2_CMD 0x1d6
> + MX8MN_IOMUXC_SD2_DATA0_USDHC2_DATA0 0x1d6
> + MX8MN_IOMUXC_SD2_DATA1_USDHC2_DATA1 0x1d6
> + MX8MN_IOMUXC_SD2_DATA2_USDHC2_DATA2 0x1d6
> + MX8MN_IOMUXC_SD2_DATA3_USDHC2_DATA3 0x1d6
> + MX8MN_IOMUXC_GPIO1_IO04_USDHC2_VSELECT 0x1d0
> + >;
> + };
> +
> + pinctrl_usdhc3: usdhc3grp {
> + fsl,pins = <
> + MX8MN_IOMUXC_NAND_WE_B_USDHC3_CLK 0x40000190
> + MX8MN_IOMUXC_NAND_WP_B_USDHC3_CMD 0x1d0
> + MX8MN_IOMUXC_NAND_DATA04_USDHC3_DATA0 0x1d0
> + MX8MN_IOMUXC_NAND_DATA05_USDHC3_DATA1 0x1d0
> + MX8MN_IOMUXC_NAND_DATA06_USDHC3_DATA2 0x1d0
> + MX8MN_IOMUXC_NAND_DATA07_USDHC3_DATA3 0x1d0
> + MX8MN_IOMUXC_NAND_RE_B_USDHC3_DATA4 0x1d0
> + MX8MN_IOMUXC_NAND_CE2_B_USDHC3_DATA5 0x1d0
> + MX8MN_IOMUXC_NAND_CE3_B_USDHC3_DATA6 0x1d0
> + MX8MN_IOMUXC_NAND_CLE_USDHC3_DATA7 0x1d0
> + MX8MN_IOMUXC_NAND_CE1_B_USDHC3_STROBE 0x190
> + >;
> + };
> +
> + pinctrl_usdhc3_100mhz: usdhc3grp100mhz {
> + fsl,pins = <
> + MX8MN_IOMUXC_NAND_WE_B_USDHC3_CLK 0x40000194
> + MX8MN_IOMUXC_NAND_WP_B_USDHC3_CMD 0x1d4
> + MX8MN_IOMUXC_NAND_DATA04_USDHC3_DATA0 0x1d4
> + MX8MN_IOMUXC_NAND_DATA05_USDHC3_DATA1 0x1d4
> + MX8MN_IOMUXC_NAND_DATA06_USDHC3_DATA2 0x1d4
> + MX8MN_IOMUXC_NAND_DATA07_USDHC3_DATA3 0x1d4
> + MX8MN_IOMUXC_NAND_RE_B_USDHC3_DATA4 0x1d4
> + MX8MN_IOMUXC_NAND_CE2_B_USDHC3_DATA5 0x1d4
> + MX8MN_IOMUXC_NAND_CE3_B_USDHC3_DATA6 0x1d4
> + MX8MN_IOMUXC_NAND_CLE_USDHC3_DATA7 0x1d4
> + MX8MN_IOMUXC_NAND_CE1_B_USDHC3_STROBE 0x194
> + >;
> + };
> +
> + pinctrl_usdhc3_200mhz: usdhc3grp200mhz {
> + fsl,pins = <
> + MX8MN_IOMUXC_NAND_WE_B_USDHC3_CLK 0x40000196
> + MX8MN_IOMUXC_NAND_WP_B_USDHC3_CMD 0x1d6
> + MX8MN_IOMUXC_NAND_DATA04_USDHC3_DATA0 0x1d6
> + MX8MN_IOMUXC_NAND_DATA05_USDHC3_DATA1 0x1d6
> + MX8MN_IOMUXC_NAND_DATA06_USDHC3_DATA2 0x1d6
> + MX8MN_IOMUXC_NAND_DATA07_USDHC3_DATA3 0x1d6
> + MX8MN_IOMUXC_NAND_RE_B_USDHC3_DATA4 0x1d6
> + MX8MN_IOMUXC_NAND_CE2_B_USDHC3_DATA5 0x1d6
> + MX8MN_IOMUXC_NAND_CE3_B_USDHC3_DATA6 0x1d6
> + MX8MN_IOMUXC_NAND_CLE_USDHC3_DATA7 0x1d6
> + MX8MN_IOMUXC_NAND_CE1_B_USDHC3_STROBE 0x196
> + >;
> + };
> +
> + pinctrl_wdog: wdoggrp {
> + fsl,pins = <
> + MX8MN_IOMUXC_GPIO1_IO02_WDOG1_WDOG_B 0xc6
> + >;
> + };
> +};
> +
> +&fec1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_fec1>;
> + phy-mode = "rgmii-id";
> + phy-handle = <&ethphy0>;
> + fsl,magic-packet;
> + status = "okay";
> +
> + mdio {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + ethphy0: ethernet-phy@0 {
> + compatible = "ethernet-phy-ieee802.3-c22";
> + reg = <0>;
> + at803x,led-act-blind-workaround;
> + at803x,eee-disabled;
> + at803x,vddio-1p8v;
> + };
> + };
> +};
> +
> +&uart2 { /* console */
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_uart2>;
> + status = "okay";
> +};
> +
> +&usdhc2 {
> + pinctrl-names = "default", "state_100mhz", "state_200mhz";
> + pinctrl-0 = <&pinctrl_usdhc2>, <&pinctrl_usdhc2_gpio>;
> + pinctrl-1 = <&pinctrl_usdhc2_100mhz>, <&pinctrl_usdhc2_gpio>;
> + pinctrl-2 = <&pinctrl_usdhc2_200mhz>, <&pinctrl_usdhc2_gpio>;
> + cd-gpios = <&gpio1 15 GPIO_ACTIVE_LOW>;
> + bus-width = <4>;
> + vmmc-supply = <&reg_usdhc2_vmmc>;
> + status = "okay";
> +};
> +
> +&usdhc3 {
> + pinctrl-names = "default", "state_100mhz", "state_200mhz";
> + pinctrl-0 = <&pinctrl_usdhc3>;
> + pinctrl-1 = <&pinctrl_usdhc3_100mhz>;
> + pinctrl-2 = <&pinctrl_usdhc3_200mhz>;
> + bus-width = <8>;
> + non-removable;
> + status = "okay";
> +};
> +
> +&wdog1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_wdog>;
> + fsl,ext-reset-output;
> + status = "okay";
> +};
> --
> 2.7.4
>