From: Anson Huang <Anson.Huang@xxxxxxx>
This patch adds basic i.MM8MN DDR4 EVK board support.
Signed-off-by: Anson Huang <Anson.Huang@xxxxxxx>
---
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
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 = <ðphy0>;
+ 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 = <®_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
