xref: /openbmc/linux/arch/arm64/boot/dts/freescale/imx8mm-kontron-osm-s.dtsi (revision 5ee9cd065836e5934710ca35653bce7905add20b)

// SPDX-License-Identifier: GPL-2.0+ OR MIT
/*
 * Copyright (C) 2022 Kontron Electronics GmbH
 */

#include <dt-bindings/interrupt-controller/irq.h>
#include "imx8mm.dtsi"

/ {
	model = "Kontron OSM-S i.MX8MM (N802X SOM)";
	compatible = "kontron,imx8mm-osm-s", "fsl,imx8mm";

	aliases {
		rtc0 = &rv3028;
		rtc1 = &snvs_rtc;
	};

	memory@40000000 {
		device_type = "memory";
		/*
		 * There are multiple SoM flavors with different DDR sizes.
		 * The smallest is 1GB. For larger sizes the bootloader will
		 * update the reg property.
		 */
		reg = <0x0 0x40000000 0 0x80000000>;
	};

	chosen {
		stdout-path = &uart3;
	};
};

&A53_0 {
	cpu-supply = <&reg_vdd_arm>;
};

&A53_1 {
	cpu-supply = <&reg_vdd_arm>;
};

&A53_2 {
	cpu-supply = <&reg_vdd_arm>;
};

&A53_3 {
	cpu-supply = <&reg_vdd_arm>;
};

&ddrc {
	operating-points-v2 = <&ddrc_opp_table>;

	ddrc_opp_table: opp-table {
		compatible = "operating-points-v2";

		opp-100000000 {
			opp-hz = /bits/ 64 <100000000>;
		};

		opp-750000000 {
			opp-hz = /bits/ 64 <750000000>;
		};
	};
};

&ecspi1 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_ecspi1>;
	cs-gpios = <&gpio5 9 GPIO_ACTIVE_LOW>;
	status = "okay";

	flash@0 {
		compatible = "mxicy,mx25r1635f", "jedec,spi-nor";
		spi-max-frequency = <80000000>;
		reg = <0>;

		partitions {
			compatible = "fixed-partitions";
			#address-cells = <1>;
			#size-cells = <1>;

			partition@0 {
				label = "u-boot";
				reg = <0x0 0x1e0000>;
			};

			partition@1e0000 {
				label = "env";
				reg = <0x1e0000 0x10000>;
			};

			partition@1f0000 {
				label = "env_redundant";
				reg = <0x1f0000 0x10000>;
			};
		};
	};
};

&i2c1 {
	clock-frequency = <400000>;
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_i2c1>;
	status = "okay";

	pca9450: pmic@25 {
		compatible = "nxp,pca9450a";
		reg = <0x25>;
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_pmic>;
		interrupt-parent = <&gpio1>;
		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;

		regulators {
			reg_vdd_soc: BUCK1 {
				regulator-name = "+0V8_VDD_SOC (BUCK1)";
				regulator-min-microvolt = <800000>;
				regulator-max-microvolt = <850000>;
				regulator-boot-on;
				regulator-always-on;
				regulator-ramp-delay = <3125>;
				nxp,dvs-run-voltage = <850000>;
				nxp,dvs-standby-voltage = <800000>;
			};

			reg_vdd_arm: BUCK2 {
				regulator-name = "+0V9_VDD_ARM (BUCK2)";
				regulator-min-microvolt = <850000>;
				regulator-max-microvolt = <950000>;
				regulator-boot-on;
				regulator-always-on;
				regulator-ramp-delay = <3125>;
				nxp,dvs-run-voltage = <950000>;
				nxp,dvs-standby-voltage = <850000>;
			};

			reg_vdd_dram: BUCK3 {
				regulator-name = "+0V9_VDD_DRAM&PU (BUCK3)";
				regulator-min-microvolt = <850000>;
				regulator-max-microvolt = <950000>;
				regulator-boot-on;
				regulator-always-on;
			};

			reg_vdd_3v3: BUCK4 {
				regulator-name = "+3V3 (BUCK4)";
				regulator-min-microvolt = <3300000>;
				regulator-max-microvolt = <3300000>;
				regulator-boot-on;
				regulator-always-on;
			};

			reg_vdd_1v8: BUCK5 {
				regulator-name = "+1V8 (BUCK5)";
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <1800000>;
				regulator-boot-on;
				regulator-always-on;
			};

			reg_nvcc_dram: BUCK6 {
				regulator-name = "+1V1_NVCC_DRAM (BUCK6)";
				regulator-min-microvolt = <1100000>;
				regulator-max-microvolt = <1100000>;
				regulator-boot-on;
				regulator-always-on;
			};

			reg_nvcc_snvs: LDO1 {
				regulator-name = "+1V8_NVCC_SNVS (LDO1)";
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <1800000>;
				regulator-boot-on;
				regulator-always-on;
			};

			reg_vdd_snvs: LDO2 {
				regulator-name = "+0V8_VDD_SNVS (LDO2)";
				regulator-min-microvolt = <800000>;
				regulator-max-microvolt = <900000>;
				regulator-boot-on;
				regulator-always-on;
			};

			reg_vdda: LDO3 {
				regulator-name = "+1V8_VDDA (LDO3)";
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <1800000>;
				regulator-boot-on;
				regulator-always-on;
			};

			reg_vdd_phy: LDO4 {
				regulator-name = "+0V9_VDD_PHY (LDO4)";
				regulator-min-microvolt = <900000>;
				regulator-max-microvolt = <900000>;
				regulator-boot-on;
				regulator-always-on;
			};

			reg_nvcc_sd: LDO5 {
				regulator-name = "NVCC_SD (LDO5)";
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <3300000>;
			};
		};
	};

	rv3028: rtc@52 {
		compatible = "microcrystal,rv3028";
		reg = <0x52>;
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_rtc>;
		interrupts-extended = <&gpio4 1 IRQ_TYPE_LEVEL_LOW>;
		trickle-diode-disable;
	};
};

&uart3 { /* console */
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_uart3>;
	status = "okay";
};

&usdhc1 {
	pinctrl-names = "default", "state_100mhz", "state_200mhz";
	pinctrl-0 = <&pinctrl_usdhc1>;
	pinctrl-1 = <&pinctrl_usdhc1_100mhz>;
	pinctrl-2 = <&pinctrl_usdhc1_200mhz>;
	vmmc-supply = <&reg_vdd_3v3>;
	vqmmc-supply = <&reg_vdd_1v8>;
	bus-width = <8>;
	non-removable;
	status = "okay";
};

&wdog1 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_wdog>;
	fsl,ext-reset-output;
	status = "okay";
};

&iomuxc {
	pinctrl_ecspi1: ecspi1grp {
		fsl,pins = <
			MX8MM_IOMUXC_ECSPI1_MISO_ECSPI1_MISO		0x82
			MX8MM_IOMUXC_ECSPI1_MOSI_ECSPI1_MOSI		0x82
			MX8MM_IOMUXC_ECSPI1_SCLK_ECSPI1_SCLK		0x82
			MX8MM_IOMUXC_ECSPI1_SS0_GPIO5_IO9		0x19
		>;
	};

	pinctrl_i2c1: i2c1grp {
		fsl,pins = <
			MX8MM_IOMUXC_I2C1_SCL_I2C1_SCL			0x40000083
			MX8MM_IOMUXC_I2C1_SDA_I2C1_SDA			0x40000083
		>;
	};

	pinctrl_pmic: pmicgrp {
		fsl,pins = <
			MX8MM_IOMUXC_GPIO1_IO00_GPIO1_IO0		0x141
		>;
	};

	pinctrl_rtc: rtcgrp {
		fsl,pins = <
			MX8MM_IOMUXC_SAI1_RXC_GPIO4_IO1			0x19
		>;
	};

	pinctrl_uart3: uart3grp {
		fsl,pins = <
			MX8MM_IOMUXC_UART3_RXD_UART3_DCE_RX		0x140
			MX8MM_IOMUXC_UART3_TXD_UART3_DCE_TX		0x140
		>;
	};

	pinctrl_usdhc1: usdhc1grp {
		fsl,pins = <
			MX8MM_IOMUXC_SD1_CLK_USDHC1_CLK			0x190
			MX8MM_IOMUXC_SD1_CMD_USDHC1_CMD			0x1d0
			MX8MM_IOMUXC_SD1_DATA0_USDHC1_DATA0		0x1d0
			MX8MM_IOMUXC_SD1_DATA1_USDHC1_DATA1		0x1d0
			MX8MM_IOMUXC_SD1_DATA2_USDHC1_DATA2		0x1d0
			MX8MM_IOMUXC_SD1_DATA3_USDHC1_DATA3		0x1d0
			MX8MM_IOMUXC_SD1_DATA4_USDHC1_DATA4		0x1d0
			MX8MM_IOMUXC_SD1_DATA5_USDHC1_DATA5		0x1d0
			MX8MM_IOMUXC_SD1_DATA6_USDHC1_DATA6		0x1d0
			MX8MM_IOMUXC_SD1_DATA7_USDHC1_DATA7		0x1d0
			MX8MM_IOMUXC_SD1_RESET_B_USDHC1_RESET_B		0x019
			MX8MM_IOMUXC_SD1_STROBE_USDHC1_STROBE		0x190
		>;
	};

	pinctrl_usdhc1_100mhz: usdhc1-100mhzgrp {
		fsl,pins = <
			MX8MM_IOMUXC_SD1_CLK_USDHC1_CLK			0x194
			MX8MM_IOMUXC_SD1_CMD_USDHC1_CMD			0x1d4
			MX8MM_IOMUXC_SD1_DATA0_USDHC1_DATA0		0x1d4
			MX8MM_IOMUXC_SD1_DATA1_USDHC1_DATA1		0x1d4
			MX8MM_IOMUXC_SD1_DATA2_USDHC1_DATA2		0x1d4
			MX8MM_IOMUXC_SD1_DATA3_USDHC1_DATA3		0x1d4
			MX8MM_IOMUXC_SD1_DATA4_USDHC1_DATA4		0x1d4
			MX8MM_IOMUXC_SD1_DATA5_USDHC1_DATA5		0x1d4
			MX8MM_IOMUXC_SD1_DATA6_USDHC1_DATA6		0x1d4
			MX8MM_IOMUXC_SD1_DATA7_USDHC1_DATA7		0x1d4
			MX8MM_IOMUXC_SD1_RESET_B_USDHC1_RESET_B		0x019
			MX8MM_IOMUXC_SD1_STROBE_USDHC1_STROBE		0x194
		>;
	};

	pinctrl_usdhc1_200mhz: usdhc1-200mhzgrp {
		fsl,pins = <
			MX8MM_IOMUXC_SD1_CLK_USDHC1_CLK			0x196
			MX8MM_IOMUXC_SD1_CMD_USDHC1_CMD			0x1d6
			MX8MM_IOMUXC_SD1_DATA0_USDHC1_DATA0		0x1d6
			MX8MM_IOMUXC_SD1_DATA1_USDHC1_DATA1		0x1d6
			MX8MM_IOMUXC_SD1_DATA2_USDHC1_DATA2		0x1d6
			MX8MM_IOMUXC_SD1_DATA3_USDHC1_DATA3		0x1d6
			MX8MM_IOMUXC_SD1_DATA4_USDHC1_DATA4		0x1d6
			MX8MM_IOMUXC_SD1_DATA5_USDHC1_DATA5		0x1d6
			MX8MM_IOMUXC_SD1_DATA6_USDHC1_DATA6		0x1d6
			MX8MM_IOMUXC_SD1_DATA7_USDHC1_DATA7		0x1d6
			MX8MM_IOMUXC_SD1_RESET_B_USDHC1_RESET_B		0x019
			MX8MM_IOMUXC_SD1_STROBE_USDHC1_STROBE		0x196
		>;
	};

	pinctrl_wdog: wdoggrp {
		fsl,pins = <
			MX8MM_IOMUXC_GPIO1_IO02_WDOG1_WDOG_B		0xc6
		>;
	};
};