arm64: dts: imx8mp-var-som-symphony: Add Variscite Symphony board and VAR-SOM-MX8MP SoM
authorTarang Raval <tarang.raval@siliconsignals.io>
Mon, 2 Sep 2024 13:45:07 +0000 (19:15 +0530)
committerShawn Guo <shawnguo@kernel.org>
Wed, 4 Sep 2024 09:36:24 +0000 (17:36 +0800)
Adds the DTSI file for the Variscite VAR-SOM-MX8MP System on Module which
is delivered with the Variscite Symphony Evaluation Kit.

Initial support includes:
- Serial console
- eMMC
- SD card

Signed-off-by: Tarang Raval <tarang.raval@siliconsignals.io>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
arch/arm64/boot/dts/freescale/Makefile
arch/arm64/boot/dts/freescale/imx8mp-var-som-symphony.dts [new file with mode: 0644]
arch/arm64/boot/dts/freescale/imx8mp-var-som.dtsi [new file with mode: 0644]

index 52b6dfb24b48c9a1b97ed9ea867e0395d84ad5a3..9d3df8b218a2e46de0c514d13a7e3112fea72f81 100644 (file)
@@ -181,6 +181,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mp-skov-revb-lt6.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mp-skov-revb-mi1010ait-1cp1.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mp-tqma8mpql-mba8mpxl.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mp-tqma8mpql-mba8mp-ras314.dtb
+dtb-$(CONFIG_ARCH_MXC) += imx8mp-var-som-symphony.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mp-venice-gw71xx-2x.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mp-venice-gw72xx-2x.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mp-venice-gw73xx-2x.dtb
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-var-som-symphony.dts b/arch/arm64/boot/dts/freescale/imx8mp-var-som-symphony.dts
new file mode 100644 (file)
index 0000000..36d3eb8
--- /dev/null
@@ -0,0 +1,11 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2024 Variscite Ltd.
+ */
+
+#include "imx8mp-var-som.dtsi"
+
+/ {
+       model = "Variscite VAR-SOM-MX8M-PLUS on Symphony-Board";
+       compatible = "variscite,var-som-mx8mp-symphony", "variscite,var-som-mx8mp", "fsl,imx8mp";
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-var-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-var-som.dtsi
new file mode 100644 (file)
index 0000000..b2ac258
--- /dev/null
@@ -0,0 +1,359 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2024 Variscite Ltd.
+ *
+ * Author: Tarang Raval <tarang.raval@siliconsignals.io>
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/phy/phy-imx8-pcie.h>
+#include <dt-bindings/leds/common.h>
+#include <dt-bindings/usb/pd.h>
+#include "imx8mp.dtsi"
+
+/ {
+       model = "Variscite VAR-SOM-MX8M Plus module";
+
+       chosen {
+               stdout-path = &uart2;
+       };
+
+       gpio-leds {
+               compatible = "gpio-leds";
+
+               led-0 {
+                       function = LED_FUNCTION_POWER;
+                       gpios = <&pca9534 0 GPIO_ACTIVE_HIGH>;
+                       linux,default-trigger = "heartbeat";
+               };
+       };
+
+       memory@40000000 {
+               device_type = "memory";
+               reg = <0x0 0x40000000 0 0xc0000000>,
+                     <0x1 0x00000000 0 0xc0000000>;
+       };
+
+
+       reg_usdhc2_vmmc: regulator-usdhc2-vmmc {
+               compatible = "regulator-fixed";
+               regulator-name = "VSD_3V3";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+               gpios = <&gpio4 22 GPIO_ACTIVE_HIGH>;
+               enable-active-high;
+               startup-delay-us = <100>;
+               off-on-delay-us = <12000>;
+       };
+};
+
+&A53_0 {
+       cpu-supply = <&buck2>;
+};
+
+&A53_1 {
+       cpu-supply = <&buck2>;
+};
+
+&A53_2 {
+       cpu-supply = <&buck2>;
+};
+
+&A53_3 {
+       cpu-supply = <&buck2>;
+};
+
+&i2c1 {
+       clock-frequency = <400000>;
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_i2c1>;
+       status = "okay";
+
+       pmic@25 {
+               compatible = "nxp,pca9450c";
+               reg = <0x25>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&pinctrl_pmic>;
+               interrupt-parent = <&gpio5>;
+               interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
+
+               regulators {
+                       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>;
+                               nxp,dvs-run-voltage = <950000>;
+                               nxp,dvs-standby-voltage = <850000>;
+                       };
+
+                       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 = <1800000>;
+                               regulator-max-microvolt = <1800000>;
+                               regulator-always-on;
+                       };
+
+                       ldo5: LDO5 {
+                               regulator-name = "LDO5";
+                               regulator-min-microvolt = <1800000>;
+                               regulator-max-microvolt = <3300000>;
+                       };
+               };
+       };
+};
+
+&i2c3 {
+        clock-frequency = <400000>;
+        pinctrl-names = "default";
+        pinctrl-0 = <&pinctrl_i2c3>;
+        status = "okay";
+
+       /* GPIO expander */
+       pca9534: gpio@20 {
+               compatible = "nxp,pca9534";
+               reg = <0x20>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&pinctrl_pca9534>;
+               gpio-controller;
+               #gpio-cells = <2>;
+               interrupt-parent = <&gpio1>;
+               interrupts = <15 IRQ_TYPE_EDGE_FALLING>;
+               wakeup-source;
+
+               usb3-sata-sel-hog {
+                       gpio-hog;
+                       gpios = <4 0>;
+                       output-low;
+                       line-name = "usb3_sata_sel";
+               };
+       };
+};
+
+/* Console */
+&uart2 {
+        pinctrl-names = "default";
+        pinctrl-0 = <&pinctrl_uart2>;
+        status = "okay";
+};
+
+/* SD-card */
+&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 14 GPIO_ACTIVE_LOW>;
+        vmmc-supply = <&reg_usdhc2_vmmc>;
+        bus-width = <4>;
+        status = "okay";
+};
+
+/* eMMC */
+&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";
+};
+
+&iomuxc {
+
+       pinctrl_i2c1: i2c1grp {
+               fsl,pins = <
+                       MX8MP_IOMUXC_SD1_DATA4__I2C1_SCL                                0x400001c2
+                       MX8MP_IOMUXC_SD1_DATA5__I2C1_SDA                                0x400001c2
+               >;
+       };
+
+       pinctrl_i2c3: i2c3grp {
+               fsl,pins = <
+                       MX8MP_IOMUXC_I2C3_SCL__I2C3_SCL                                 0x400001c2
+                       MX8MP_IOMUXC_I2C3_SDA__I2C3_SDA                                 0x400001c2
+               >;
+       };
+
+       pinctrl_pca9534: pca9534grp {
+               fsl,pins = <
+                       MX8MP_IOMUXC_GPIO1_IO15__GPIO1_IO15                             0xc0
+               >;
+       };
+
+       pinctrl_pmic: pmicgrp {
+               fsl,pins = <
+                       MX8MP_IOMUXC_SPDIF_RX__GPIO5_IO04                               0x1c0
+               >;
+       };
+
+       pinctrl_uart2: uart2grp {
+               fsl,pins = <
+                       MX8MP_IOMUXC_UART2_RXD__UART2_DCE_RX                            0x40
+                       MX8MP_IOMUXC_UART2_TXD__UART2_DCE_TX                            0x40
+               >;
+       };
+
+       pinctrl_usdhc2_gpio: usdhc2-gpiogrp {
+               fsl,pins = <
+                       MX8MP_IOMUXC_GPIO1_IO14__GPIO1_IO14                             0x1c4
+                       MX8MP_IOMUXC_SAI2_RXC__GPIO4_IO22                               0x10
+                       MX8MP_IOMUXC_SD2_CD_B__GPIO2_IO12                               0xc0
+               >;
+       };
+
+       pinctrl_usdhc2: usdhc2grp {
+               fsl,pins = <
+                       MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK                                0x190
+                       MX8MP_IOMUXC_SD2_CMD__USDHC2_CMD                                0x1d0
+                       MX8MP_IOMUXC_SD2_DATA0__USDHC2_DATA0                            0x1d0
+                       MX8MP_IOMUXC_SD2_DATA1__USDHC2_DATA1                            0x1d0
+                       MX8MP_IOMUXC_SD2_DATA2__USDHC2_DATA2                            0x1d0
+                       MX8MP_IOMUXC_SD2_DATA3__USDHC2_DATA3                            0x1d0
+               >;
+       };
+
+       pinctrl_usdhc2_100mhz: usdhc2-100mhzgrp {
+               fsl,pins = <
+                       MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK                                0x194
+                       MX8MP_IOMUXC_SD2_CMD__USDHC2_CMD                                0x1d4
+                       MX8MP_IOMUXC_SD2_DATA0__USDHC2_DATA0                            0x1d4
+                       MX8MP_IOMUXC_SD2_DATA1__USDHC2_DATA1                            0x1d4
+                       MX8MP_IOMUXC_SD2_DATA2__USDHC2_DATA2                            0x1d4
+                       MX8MP_IOMUXC_SD2_DATA3__USDHC2_DATA3                            0x1d4
+               >;
+       };
+
+       pinctrl_usdhc2_200mhz: usdhc2-200mhzgrp {
+               fsl,pins = <
+                       MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK                                0x196
+                       MX8MP_IOMUXC_SD2_CMD__USDHC2_CMD                                0x1d6
+                       MX8MP_IOMUXC_SD2_DATA0__USDHC2_DATA0                            0x1d6
+                       MX8MP_IOMUXC_SD2_DATA1__USDHC2_DATA1                            0x1d6
+                       MX8MP_IOMUXC_SD2_DATA2__USDHC2_DATA2                            0x1d6
+                       MX8MP_IOMUXC_SD2_DATA3__USDHC2_DATA3                            0x1d6
+               >;
+       };
+
+       pinctrl_usdhc3: usdhc3grp {
+               fsl,pins = <
+                       MX8MP_IOMUXC_NAND_WE_B__USDHC3_CLK                              0x190
+                       MX8MP_IOMUXC_NAND_WP_B__USDHC3_CMD                              0x1d0
+                       MX8MP_IOMUXC_NAND_DATA04__USDHC3_DATA0                          0x1d0
+                       MX8MP_IOMUXC_NAND_DATA05__USDHC3_DATA1                          0x1d0
+                       MX8MP_IOMUXC_NAND_DATA06__USDHC3_DATA2                          0x1d0
+                       MX8MP_IOMUXC_NAND_DATA07__USDHC3_DATA3                          0x1d0
+                       MX8MP_IOMUXC_NAND_RE_B__USDHC3_DATA4                            0x1d0
+                       MX8MP_IOMUXC_NAND_CE2_B__USDHC3_DATA5                           0x1d0
+                       MX8MP_IOMUXC_NAND_CE3_B__USDHC3_DATA6                           0x1d0
+                       MX8MP_IOMUXC_NAND_CLE__USDHC3_DATA7                             0x1d0
+                       MX8MP_IOMUXC_NAND_CE1_B__USDHC3_STROBE                          0x190
+               >;
+       };
+
+       pinctrl_usdhc3_100mhz: usdhc3-100mhzgrp {
+               fsl,pins = <
+                       MX8MP_IOMUXC_NAND_WE_B__USDHC3_CLK                              0x194
+                       MX8MP_IOMUXC_NAND_WP_B__USDHC3_CMD                              0x1d4
+                       MX8MP_IOMUXC_NAND_DATA04__USDHC3_DATA0                          0x1d4
+                       MX8MP_IOMUXC_NAND_DATA05__USDHC3_DATA1                          0x1d4
+                       MX8MP_IOMUXC_NAND_DATA06__USDHC3_DATA2                          0x1d4
+                       MX8MP_IOMUXC_NAND_DATA07__USDHC3_DATA3                          0x1d4
+                       MX8MP_IOMUXC_NAND_RE_B__USDHC3_DATA4                            0x1d4
+                       MX8MP_IOMUXC_NAND_CE2_B__USDHC3_DATA5                           0x1d4
+                       MX8MP_IOMUXC_NAND_CE3_B__USDHC3_DATA6                           0x1d4
+                       MX8MP_IOMUXC_NAND_CLE__USDHC3_DATA7                             0x1d4
+                       MX8MP_IOMUXC_NAND_CE1_B__USDHC3_STROBE                          0x194
+               >;
+       };
+
+       pinctrl_usdhc3_200mhz: usdhc3-200mhzgrp {
+               fsl,pins = <
+                       MX8MP_IOMUXC_NAND_WE_B__USDHC3_CLK                              0x196
+                       MX8MP_IOMUXC_NAND_WP_B__USDHC3_CMD                              0x1d6
+                       MX8MP_IOMUXC_NAND_DATA04__USDHC3_DATA0                          0x1d6
+                       MX8MP_IOMUXC_NAND_DATA05__USDHC3_DATA1                          0x1d6
+                       MX8MP_IOMUXC_NAND_DATA06__USDHC3_DATA2                          0x1d6
+                       MX8MP_IOMUXC_NAND_DATA07__USDHC3_DATA3                          0x1d6
+                       MX8MP_IOMUXC_NAND_RE_B__USDHC3_DATA4                            0x1d6
+                       MX8MP_IOMUXC_NAND_CE2_B__USDHC3_DATA5                           0x1d6
+                       MX8MP_IOMUXC_NAND_CE3_B__USDHC3_DATA6                           0x1d6
+                       MX8MP_IOMUXC_NAND_CLE__USDHC3_DATA7                             0x1d6
+                       MX8MP_IOMUXC_NAND_CE1_B__USDHC3_STROBE                          0x196
+               >;
+       };
+
+       pinctrl_wdog: wdoggrp {
+               fsl,pins = <
+                       MX8MP_IOMUXC_GPIO1_IO02__WDOG1_WDOG_B                           0xc6
+               >;
+       };
+};