Add imx93-var-som support
Add support for the Variscite VAR-SOM-IMX93 evaluation kit. The SoM
consists of an NXP iMX93 dual A55 CPU. The SoM is mounted on a Variscite
Symphony SBC.
Signed-off-by: Mathieu Othacehe <m.othacehe@gmail.com>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index e9e58c5..773c254 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -1125,7 +1125,8 @@
imx8mq-librem5-r4.dtb
dtb-$(CONFIG_ARCH_IMX9) += \
- imx93-11x11-evk.dtb
+ imx93-11x11-evk.dtb \
+ imx93-var-som-symphony.dtb
dtb-$(CONFIG_ARCH_IMXRT) += imxrt1050-evk.dtb \
imxrt1020-evk.dtb \
diff --git a/arch/arm/dts/imx93-var-som-symphony-u-boot.dtsi b/arch/arm/dts/imx93-var-som-symphony-u-boot.dtsi
new file mode 100644
index 0000000..1193fc0
--- /dev/null
+++ b/arch/arm/dts/imx93-var-som-symphony-u-boot.dtsi
@@ -0,0 +1,266 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2022 NXP
+ * Copyright 2023 Variscite Ltd.
+ */
+
+#include "imx93-u-boot.dtsi"
+
+/ {
+ wdt-reboot {
+ compatible = "wdt-reboot";
+ wdt = <&wdog3>;
+ bootph-pre-ram;
+ bootph-some-ram;
+ };
+
+ aliases {
+ ethernet0 = &eqos;
+ ethernet1 = &fec;
+ };
+
+ firmware {
+ optee {
+ compatible = "linaro,optee-tz";
+ method = "smc";
+ };
+ };
+};
+
+&{/soc@0} {
+ bootph-all;
+ bootph-pre-ram;
+};
+
+&aips1 {
+ bootph-pre-ram;
+ bootph-all;
+};
+
+&aips2 {
+ bootph-pre-ram;
+ bootph-some-ram;
+};
+
+&aips3 {
+ bootph-pre-ram;
+ bootph-some-ram;
+};
+
+&iomuxc {
+ bootph-pre-ram;
+ bootph-some-ram;
+};
+
+®_usdhc2_vmmc {
+ u-boot,off-on-delay-us = <20000>;
+ bootph-pre-ram;
+ bootph-some-ram;
+};
+
+&pinctrl_reg_usdhc2_vmmc {
+ bootph-pre-ram;
+};
+
+&pinctrl_uart1 {
+ bootph-pre-ram;
+ bootph-some-ram;
+};
+
+&pinctrl_usdhc2 {
+ bootph-pre-ram;
+ bootph-some-ram;
+};
+
+&gpio1 {
+ bootph-pre-ram;
+ bootph-some-ram;
+};
+
+&gpio2 {
+ bootph-pre-ram;
+ bootph-some-ram;
+};
+
+&gpio3 {
+ bootph-pre-ram;
+ bootph-some-ram;
+};
+
+&gpio4 {
+ bootph-pre-ram;
+ bootph-some-ram;
+};
+
+&lpuart1 {
+ bootph-pre-ram;
+ bootph-some-ram;
+};
+
+&usdhc1 {
+ bootph-pre-ram;
+ bootph-some-ram;
+};
+
+&usdhc2 {
+ bootph-pre-ram;
+ bootph-some-ram;
+ fsl,signal-voltage-switch-extra-delay-ms = <8>;
+};
+
+ðphy0 {
+ reset-gpios = <&gpio1 7 GPIO_ACTIVE_LOW>;
+ reset-assert-us = <15000>;
+ reset-deassert-us = <100000>;
+};
+
+ðphy1 {
+ reset-gpios = <&pca9534 5 GPIO_ACTIVE_LOW>;
+ reset-assert-us = <15000>;
+ reset-deassert-us = <100000>;
+};
+
+&s4muap {
+ bootph-pre-ram;
+ bootph-some-ram;
+ status = "okay";
+};
+
+&clk {
+ bootph-all;
+ bootph-pre-ram;
+ /delete-property/ assigned-clocks;
+ /delete-property/ assigned-clock-rates;
+};
+
+&osc_32k {
+ bootph-all;
+ bootph-pre-ram;
+};
+
+&osc_24m {
+ bootph-all;
+ bootph-pre-ram;
+};
+
+&clk_ext1 {
+ bootph-all;
+ bootph-pre-ram;
+};
+
+/*
+ * The two nodes below won't be needed once nxp,pca9451a
+ * support is added to the Linux kernel.
+ */
+&iomuxc {
+ pinctrl_lpi2c3: lpi2c3grp {
+ bootph-pre-ram;
+ fsl,pins = <
+ MX93_PAD_GPIO_IO28__LPI2C3_SDA 0x40000b9e
+ MX93_PAD_GPIO_IO29__LPI2C3_SCL 0x40000b9e
+ >;
+ };
+};
+
+&lpi2c3 {
+ bootph-pre-ram;
+ bootph-some-ram;
+ clock-frequency = <400000>;
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&pinctrl_lpi2c3>;
+ pinctrl-1 = <&pinctrl_lpi2c3>;
+ status = "okay";
+
+ pmic@25 {
+ bootph-pre-ram;
+ bootph-some-ram;
+ compatible = "nxp,pca9451a";
+ reg = <0x25>;
+ pinctrl-names = "default";
+
+ regulators {
+ bootph-pre-ram;
+ buck1: BUCK1 {
+ regulator-name = "BUCK1";
+ regulator-min-microvolt = <600000>;
+ regulator-max-microvolt = <2187500>;
+ regulator-boot-on;
+ regulator-always-on;
+ regulator-ramp-delay = <3125>;
+ };
+
+ buck2: BUCK2 {
+ regulator-name = "BUCK2";
+ regulator-min-microvolt = <600000>;
+ regulator-max-microvolt = <2187500>;
+ regulator-boot-on;
+ regulator-always-on;
+ regulator-ramp-delay = <3125>;
+ };
+
+ buck4: BUCK4{
+ regulator-name = "BUCK4";
+ regulator-min-microvolt = <600000>;
+ regulator-max-microvolt = <3400000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ buck5: BUCK5{
+ regulator-name = "BUCK5";
+ regulator-min-microvolt = <600000>;
+ regulator-max-microvolt = <3400000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ buck6: BUCK6 {
+ regulator-name = "BUCK6";
+ regulator-min-microvolt = <600000>;
+ regulator-max-microvolt = <3400000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ ldo1: LDO1 {
+ regulator-name = "LDO1";
+ regulator-min-microvolt = <1600000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ ldo2: LDO2 {
+ regulator-name = "LDO2";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <1150000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ ldo3: LDO3 {
+ regulator-name = "LDO3";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ ldo4: LDO4 {
+ regulator-name = "LDO4";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ ldo5: LDO5 {
+ regulator-name = "LDO5";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+ };
+ };
+};
diff --git a/arch/arm/dts/imx93-var-som-symphony.dts b/arch/arm/dts/imx93-var-som-symphony.dts
new file mode 100644
index 0000000..a67bd00
--- /dev/null
+++ b/arch/arm/dts/imx93-var-som-symphony.dts
@@ -0,0 +1,305 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2021 NXP
+ * Copyright 2023 Variscite Ltd.
+ */
+
+/dts-v1/;
+
+#include "imx93-var-som.dtsi"
+
+/{
+ model = "Variscite VAR-SOM-MX93 on Symphony evaluation board";
+ compatible = "variscite,var-som-mx93-symphony",
+ "variscite,var-som-mx93", "fsl,imx93";
+
+ aliases {
+ ethernet0 = &eqos;
+ ethernet1 = &fec;
+ };
+
+ chosen {
+ stdout-path = &lpuart1;
+ };
+
+ /*
+ * Needed only for Symphony <= v1.5
+ */
+ reg_fec_phy: regulator-fec-phy {
+ compatible = "regulator-fixed";
+ regulator-name = "fec-phy";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-enable-ramp-delay = <20000>;
+ gpio = <&pca9534 7 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ regulator-always-on;
+ };
+
+ 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 18 GPIO_ACTIVE_HIGH>;
+ off-on-delay-us = <20000>;
+ enable-active-high;
+ };
+
+ reg_vref_1v8: regulator-adc-vref {
+ compatible = "regulator-fixed";
+ regulator-name = "vref_1v8";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ };
+
+ reserved-memory {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ ethosu_mem: ethosu-region@88000000 {
+ compatible = "shared-dma-pool";
+ reusable;
+ reg = <0x0 0x88000000 0x0 0x8000000>;
+ };
+
+ vdev0vring0: vdev0vring0@87ee0000 {
+ reg = <0 0x87ee0000 0 0x8000>;
+ no-map;
+ };
+
+ vdev0vring1: vdev0vring1@87ee8000 {
+ reg = <0 0x87ee8000 0 0x8000>;
+ no-map;
+ };
+
+ vdev1vring0: vdev1vring0@87ef0000 {
+ reg = <0 0x87ef0000 0 0x8000>;
+ no-map;
+ };
+
+ vdev1vring1: vdev1vring1@87ef8000 {
+ reg = <0 0x87ef8000 0 0x8000>;
+ no-map;
+ };
+
+ rsc_table: rsc-table@2021f000 {
+ reg = <0 0x2021f000 0 0x1000>;
+ no-map;
+ };
+
+ vdevbuffer: vdevbuffer@87f00000 {
+ compatible = "shared-dma-pool";
+ reg = <0 0x87f00000 0 0x100000>;
+ no-map;
+ };
+
+ ele_reserved: ele-reserved@87de0000 {
+ compatible = "shared-dma-pool";
+ reg = <0 0x87de0000 0 0x100000>;
+ no-map;
+ };
+ };
+};
+
+/* Use external instead of internal RTC*/
+&bbnsm_rtc {
+ status = "disabled";
+};
+
+&eqos {
+ mdio {
+ ethphy1: ethernet-phy@5 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <5>;
+ qca,disable-smarteee;
+ eee-broken-1000t;
+ reset-gpios = <&pca9534 5 GPIO_ACTIVE_LOW>;
+ reset-assert-us = <10000>;
+ reset-deassert-us = <20000>;
+ vddio-supply = <&vddio1>;
+
+ vddio1: vddio-regulator {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ };
+ };
+ };
+};
+
+&fec {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_fec>;
+ phy-mode = "rgmii";
+ phy-handle = <ðphy1>;
+ phy-supply = <®_fec_phy>;
+ status = "okay";
+};
+
+&flexcan1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_flexcan1>;
+ status = "okay";
+};
+
+&iomuxc {
+ pinctrl_fec: fecgrp {
+ fsl,pins = <
+ MX93_PAD_ENET2_RD0__ENET1_RGMII_RD0 0x57e
+ MX93_PAD_ENET2_RD1__ENET1_RGMII_RD1 0x57e
+ MX93_PAD_ENET2_RD2__ENET1_RGMII_RD2 0x57e
+ MX93_PAD_ENET2_RD3__ENET1_RGMII_RD3 0x57e
+ MX93_PAD_ENET2_RXC__ENET1_RGMII_RXC 0x5fe
+ MX93_PAD_ENET2_RX_CTL__ENET1_RGMII_RX_CTL 0x57e
+ MX93_PAD_ENET2_TD0__ENET1_RGMII_TD0 0x57e
+ MX93_PAD_ENET2_TD1__ENET1_RGMII_TD1 0x57e
+ MX93_PAD_ENET2_TD2__ENET1_RGMII_TD2 0x57e
+ MX93_PAD_ENET2_TD3__ENET1_RGMII_TD3 0x57e
+ MX93_PAD_ENET2_TXC__ENET1_RGMII_TXC 0x5fe
+ MX93_PAD_ENET2_TX_CTL__ENET1_RGMII_TX_CTL 0x57e
+ >;
+ };
+
+ pinctrl_flexcan1: flexcan1grp {
+ fsl,pins = <
+ MX93_PAD_PDM_CLK__CAN1_TX 0x139e
+ MX93_PAD_PDM_BIT_STREAM0__CAN1_RX 0x139e
+ >;
+ };
+
+ pinctrl_lpi2c1: lpi2c1grp {
+ fsl,pins = <
+ MX93_PAD_I2C1_SCL__LPI2C1_SCL 0x40000b9e
+ MX93_PAD_I2C1_SDA__LPI2C1_SDA 0x40000b9e
+ >;
+ };
+
+ pinctrl_lpi2c1_gpio: lpi2c1gpiogrp {
+ fsl,pins = <
+ MX93_PAD_I2C1_SCL__GPIO1_IO00 0x31e
+ MX93_PAD_I2C1_SDA__GPIO1_IO01 0x31e
+ >;
+ };
+
+ pinctrl_lpi2c5: lpi2c5grp {
+ fsl,pins = <
+ MX93_PAD_GPIO_IO23__LPI2C5_SCL 0x40000b9e
+ MX93_PAD_GPIO_IO22__LPI2C5_SDA 0x40000b9e
+ >;
+ };
+
+ pinctrl_lpi2c5_gpio: lpi2c5gpiogrp {
+ fsl,pins = <
+ MX93_PAD_GPIO_IO23__GPIO2_IO23 0x31e
+ MX93_PAD_GPIO_IO22__GPIO2_IO22 0x31e
+ >;
+ };
+
+ pinctrl_pca9534: pca9534grp {
+ fsl,pins = <
+ MX93_PAD_CCM_CLKO1__GPIO3_IO26 0x31e
+ >;
+ };
+
+ pinctrl_uart1: uart1grp {
+ fsl,pins = <
+ MX93_PAD_UART1_RXD__LPUART1_RX 0x31e
+ MX93_PAD_UART1_TXD__LPUART1_TX 0x31e
+ >;
+ };
+
+ pinctrl_reg_usdhc2_vmmc: regusdhc2vmmcgrp {
+ fsl,pins = <
+ MX93_PAD_GPIO_IO18__GPIO2_IO18 0x31e
+ >;
+ };
+
+ pinctrl_usdhc2: usdhc2grp {
+ fsl,pins = <
+ MX93_PAD_SD2_CLK__USDHC2_CLK 0x15fe
+ MX93_PAD_SD2_CMD__USDHC2_CMD 0x13fe
+ MX93_PAD_SD2_DATA0__USDHC2_DATA0 0x13fe
+ MX93_PAD_SD2_DATA1__USDHC2_DATA1 0x13fe
+ MX93_PAD_SD2_DATA2__USDHC2_DATA2 0x13fe
+ MX93_PAD_SD2_DATA3__USDHC2_DATA3 0x13fe
+ MX93_PAD_SD2_VSELECT__USDHC2_VSELECT 0x51e
+ >;
+ };
+
+ pinctrl_usdhc2_gpio: usdhc2gpiogrp {
+ fsl,pins = <
+ MX93_PAD_SD2_CD_B__GPIO3_IO00 0x31e
+ >;
+ };
+};
+
+&lpi2c1 {
+ clock-frequency = <400000>;
+ pinctrl-names = "default", "sleep", "gpio";
+ pinctrl-0 = <&pinctrl_lpi2c1>;
+ pinctrl-1 = <&pinctrl_lpi2c1_gpio>;
+ pinctrl-2 = <&pinctrl_lpi2c1_gpio>;
+ scl-gpios = <&gpio1 0 GPIO_ACTIVE_HIGH>;
+ sda-gpios = <&gpio1 1 GPIO_ACTIVE_HIGH>;
+ status = "okay";
+
+ /* DS1337 RTC module */
+ rtc@68 {
+ compatible = "dallas,ds1337";
+ reg = <0x68>;
+ };
+};
+
+&lpi2c5 {
+ clock-frequency = <400000>;
+ pinctrl-names = "default", "sleep", "gpio";
+ pinctrl-0 = <&pinctrl_lpi2c5>;
+ pinctrl-1 = <&pinctrl_lpi2c5_gpio>;
+ pinctrl-2 = <&pinctrl_lpi2c5_gpio>;
+ scl-gpios = <&gpio2 23 GPIO_ACTIVE_HIGH>;
+ sda-gpios = <&gpio2 22 GPIO_ACTIVE_HIGH>;
+ status = "okay";
+
+ pca9534: gpio@20 {
+ compatible = "nxp,pca9534";
+ reg = <0x20>;
+ gpio-controller;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_pca9534>;
+ interrupt-parent = <&gpio3>;
+ interrupts = <26 IRQ_TYPE_EDGE_FALLING>;
+ #gpio-cells = <2>;
+ wakeup-source;
+ };
+};
+
+/* Console */
+&lpuart1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_uart1>;
+ clocks = <&clk IMX93_CLK_LPUART1_GATE>, <&clk IMX93_CLK_LPUART1_GATE>;
+ clock-names = "ipg", "per";
+ status = "okay";
+};
+
+/* SD */
+&usdhc2 {
+ pinctrl-names = "default", "state_100mhz", "state_200mhz";
+ pinctrl-0 = <&pinctrl_usdhc2>, <&pinctrl_usdhc2_gpio>;
+ pinctrl-1 = <&pinctrl_usdhc2>, <&pinctrl_usdhc2_gpio>;
+ pinctrl-2 = <&pinctrl_usdhc2>, <&pinctrl_usdhc2_gpio>;
+ cd-gpios = <&gpio3 00 GPIO_ACTIVE_LOW>;
+ vmmc-supply = <®_usdhc2_vmmc>;
+ bus-width = <4>;
+ status = "okay";
+ no-sdio;
+ no-mmc;
+};
+
+/* Watchdog */
+&wdog3 {
+ status = "okay";
+};
diff --git a/arch/arm/dts/imx93-var-som.dtsi b/arch/arm/dts/imx93-var-som.dtsi
new file mode 100644
index 0000000..6c77b88
--- /dev/null
+++ b/arch/arm/dts/imx93-var-som.dtsi
@@ -0,0 +1,111 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2022 NXP
+ * Copyright 2023 Variscite Ltd.
+ */
+
+/dts-v1/;
+
+#include "imx93.dtsi"
+
+/{
+ model = "Variscite VAR-SOM-MX93 module";
+ compatible = "variscite,var-som-mx93", "fsl,imx93";
+
+ mmc_pwrseq: mmc-pwrseq {
+ compatible = "mmc-pwrseq-simple";
+ post-power-on-delay-ms = <100>;
+ power-off-delay-us = <10000>;
+ reset-gpios = <&gpio4 14 GPIO_ACTIVE_LOW>, /* WIFI_RESET */
+ <&gpio3 7 GPIO_ACTIVE_LOW>; /* WIFI_PWR_EN */
+ };
+
+ reg_eqos_phy: regulator-eqos-phy {
+ compatible = "regulator-fixed";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_reg_eqos_phy>;
+ regulator-name = "eth_phy_pwr";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ gpio = <&gpio1 7 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ startup-delay-us = <100000>;
+ regulator-always-on;
+ };
+};
+
+&eqos {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_eqos>;
+ phy-mode = "rgmii";
+ phy-handle = <ðphy0>;
+ phy-supply = <®_eqos_phy>;
+ status = "okay";
+
+ mdio {
+ compatible = "snps,dwmac-mdio";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clock-frequency = <1000000>;
+
+ ethphy0: ethernet-phy@0 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <0>;
+ eee-broken-1000t;
+ };
+ };
+};
+
+&iomuxc {
+ pinctrl_eqos: eqosgrp {
+ fsl,pins = <
+ MX93_PAD_ENET1_MDC__ENET_QOS_MDC 0x57e
+ MX93_PAD_ENET1_MDIO__ENET_QOS_MDIO 0x57e
+ MX93_PAD_ENET1_RD0__ENET_QOS_RGMII_RD0 0x57e
+ MX93_PAD_ENET1_RD1__ENET_QOS_RGMII_RD1 0x57e
+ MX93_PAD_ENET1_RD2__ENET_QOS_RGMII_RD2 0x57e
+ MX93_PAD_ENET1_RD3__ENET_QOS_RGMII_RD3 0x57e
+ MX93_PAD_ENET1_RXC__CCM_ENET_QOS_CLOCK_GENERATE_RX_CLK 0x5fe
+ MX93_PAD_ENET1_RX_CTL__ENET_QOS_RGMII_RX_CTL 0x57e
+ MX93_PAD_ENET1_TD0__ENET_QOS_RGMII_TD0 0x57e
+ MX93_PAD_ENET1_TD1__ENET_QOS_RGMII_TD1 0x57e
+ MX93_PAD_ENET1_TD2__ENET_QOS_RGMII_TD2 0x57e
+ MX93_PAD_ENET1_TD3__ENET_QOS_RGMII_TD3 0x57e
+ MX93_PAD_ENET1_TXC__CCM_ENET_QOS_CLOCK_GENERATE_TX_CLK 0x5fe
+ MX93_PAD_ENET1_TX_CTL__ENET_QOS_RGMII_TX_CTL 0x57e
+ >;
+ };
+
+ pinctrl_reg_eqos_phy: regeqosgrp {
+ fsl,pins = <
+ MX93_PAD_UART2_TXD__GPIO1_IO07 0x51e
+ >;
+ };
+
+ pinctrl_usdhc1: usdhc1grp {
+ fsl,pins = <
+ MX93_PAD_SD1_CLK__USDHC1_CLK 0x15fe
+ MX93_PAD_SD1_CMD__USDHC1_CMD 0x13fe
+ MX93_PAD_SD1_DATA0__USDHC1_DATA0 0x13fe
+ MX93_PAD_SD1_DATA1__USDHC1_DATA1 0x13fe
+ MX93_PAD_SD1_DATA2__USDHC1_DATA2 0x13fe
+ MX93_PAD_SD1_DATA3__USDHC1_DATA3 0x13fe
+ MX93_PAD_SD1_DATA4__USDHC1_DATA4 0x13fe
+ MX93_PAD_SD1_DATA5__USDHC1_DATA5 0x13fe
+ MX93_PAD_SD1_DATA6__USDHC1_DATA6 0x13fe
+ MX93_PAD_SD1_DATA7__USDHC1_DATA7 0x13fe
+ MX93_PAD_SD1_STROBE__USDHC1_STROBE 0x15fe
+ >;
+ };
+};
+
+/* eMMC */
+&usdhc1 {
+ pinctrl-names = "default", "state_100mhz", "state_200mhz";
+ pinctrl-0 = <&pinctrl_usdhc1>;
+ pinctrl-1 = <&pinctrl_usdhc1>;
+ pinctrl-2 = <&pinctrl_usdhc1>;
+ bus-width = <8>;
+ non-removable;
+ status = "okay";
+};
diff --git a/arch/arm/include/asm/arch-imx9/clock.h b/arch/arm/include/asm/arch-imx9/clock.h
index 1169ffd..1ce6ac4 100644
--- a/arch/arm/include/asm/arch-imx9/clock.h
+++ b/arch/arm/include/asm/arch-imx9/clock.h
@@ -222,6 +222,7 @@
void dram_pll_init(ulong pll_val);
void dram_enable_bypass(ulong clk_val);
void dram_disable_bypass(void);
+void set_arm_core_max_clk(void);
int configure_intpll(enum ccm_clk_src pll, u32 freq);
diff --git a/arch/arm/mach-imx/imx9/Kconfig b/arch/arm/mach-imx/imx9/Kconfig
index 7ba3835..28202df 100644
--- a/arch/arm/mach-imx/imx9/Kconfig
+++ b/arch/arm/mach-imx/imx9/Kconfig
@@ -32,9 +32,16 @@
select BINMAN
select IMX93
+config TARGET_IMX93_VAR_SOM
+ bool "imx93_var_som"
+ select BINMAN
+ select IMX93
+ select IMX9_LPDDR4X
+
endchoice
source "board/freescale/imx93_evk/Kconfig"
+source "board/variscite/imx93_var_som/Kconfig"
endif