[PATCH v5 2/2] arm64: dts: imx93-var-som: Add Variscite VAR-SOM-MX93

Mathieu Othacehe
2024-01-03T14:36:58Z

Add DTSI for Variscite VAR-SOM-MX93 System on Module and DTS for Variscite
VAR-SOM-MX93 on Symphony evaluation board.

This version comes with:
- NXP i.MX 93 Dual, 1.7GHz, Cortex-A55 + Cortex-M33
- 2 GB of RAM
- 16GB eMMC
- 802.11ax/ac/a/b/g/n WiFi with 5.3 Bluetooth
- CAN bus
- Audio codec

Reviewed-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Mathieu Othacehe <othacehe@gnu.org>
---
arch/arm64/boot/dts/freescale/Makefile | 1 +
.../dts/freescale/imx93-var-som-symphony.dts | 352 ++++++++++++++++++
.../boot/dts/freescale/imx93-var-som.dtsi | 111 ++++++
3 files changed, 464 insertions(+)
create mode 100644 arch/arm64/boot/dts/freescale/imx93-var-som-symphony.dts
create mode 100644 arch/arm64/boot/dts/freescale/imx93-var-som.dtsi

diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index 2e027675d7bb..a6f1700961e3 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -203,6 +203,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8ulp-evk.dtb
dtb-$(CONFIG_ARCH_MXC) += imx93-11x11-evk.dtb
dtb-$(CONFIG_ARCH_MXC) += imx93-tqma9352-mba93xxca.dtb
dtb-$(CONFIG_ARCH_MXC) += imx93-tqma9352-mba93xxla.dtb
+dtb-$(CONFIG_ARCH_MXC) += imx93-var-som-symphony.dtb

imx8mm-venice-gw72xx-0x-imx219-dtbs := imx8mm-venice-gw72xx-0x.dtb imx8mm-venice-gw72xx-0x-imx219.dtbo
imx8mm-venice-gw72xx-0x-rpidsi-dtbs := imx8mm-venice-gw72xx-0x.dtb imx8mm-venice-gw72xx-0x-rpidsi.dtbo
diff --git a/arch/arm64/boot/dts/freescale/imx93-var-som-symphony.dts b/arch/arm64/boot/dts/freescale/imx93-var-som-symphony.dts
new file mode 100644
index 000000000000..963fa1a6d09c
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx93-var-som-symphony.dts
@@ -0,0 +1,352 @@
+// 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;
+ };
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+
+ key-back {
+ label = "Back";
+ gpios = <&pca9534 1 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_BACK>;
+ };
+
+ key-home {
+ label = "Home";
+ gpios = <&pca9534 2 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_HOME>;
+ };
+
+ key-menu {
+ label = "Menu";
+ gpios = <&pca9534 3 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_MENU>;
+ };
+ };
+
+ leds {
+ compatible = "gpio-leds";
+ status = "okay";
+
+ heartbeat {
+ label = "Heartbeat";
+ gpios = <&pca9534 0 GPIO_ACTIVE_HIGH>;
+ linux,default-trigger = "heartbeat";
+ };
+ };
+};
+
+/* 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 = <&ethphy1>;
+ phy-supply = <&reg_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_uart6: uart6grp {
+ fsl,pins = <
+ MX93_PAD_GPIO_IO05__LPUART6_RX 0x31e
+ MX93_PAD_GPIO_IO04__LPUART6_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";
+};
+
+/* J18.7, J18.9 */
+&lpuart6 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_uart6>;
+ 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 = <&reg_usdhc2_vmmc>;
+ bus-width = <4>;
+ status = "okay";
+ no-sdio;
+ no-mmc;
+};
+
+/* Watchdog */
+&wdog3 {
+ status = "okay";
+};
diff --git a/arch/arm64/boot/dts/freescale/imx93-var-som.dtsi b/arch/arm64/boot/dts/freescale/imx93-var-som.dtsi
new file mode 100644
index 000000000000..6c77b886666b
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/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 = <&ethphy0>;
+ phy-supply = <&reg_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";
+};
--
2.41.0