diff options
Diffstat (limited to 'arch/arm/dts/k3-am69-aquila.dtsi')
| -rw-r--r-- | arch/arm/dts/k3-am69-aquila.dtsi | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/arch/arm/dts/k3-am69-aquila.dtsi b/arch/arm/dts/k3-am69-aquila.dtsi new file mode 100644 index 0000000000..56f47b3197 --- /dev/null +++ b/arch/arm/dts/k3-am69-aquila.dtsi @@ -0,0 +1,182 @@ +// SPDX-License-Identifier: GPL-2.0-or-later OR MIT +/* + * Copyright 2024 Toradex + * + * Common dtsi for Toradex Aquila AM69 SoM + * + * https://www.toradex.com/computer-on-modules/aquila-arm-family/ti-am69 + */ + +#include <dt-bindings/net/ti-dp83867.h> +#include <dt-bindings/gpio/gpio.h> +#include "k3-j784s4.dtsi" + +#define RUNNING_ON_AM69SK + +/ { + chosen { + stdout-path = "serial2:115200n8"; + }; + + aliases { + mmc0 = &main_sdhci0; + mmc1 = &main_sdhci1; + serial2 = &main_uart8; + }; + + memory@80000000 { + device_type = "memory"; + /* 32G RAM */ + reg = <0x00 0x80000000 0x00 0x80000000>, + <0x08 0x80000000 0x07 0x80000000>; + bootph-pre-ram; + }; + + reserved_memory: reserved-memory { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + /* global cma region */ + linux,cma { + compatible = "shared-dma-pool"; + reusable; + size = <0x00 0x70000000>; + linux,cma-default; + }; + + secure_ddr: optee@9e800000 { + reg = <0x00 0x9e800000 0x00 0x01800000>; + no-map; + }; + }; + + reg_sdhc1_vmmc: regulator-sdhci1 { + compatible = "regulator-fixed"; + enable-active-high; + off-on-delay-us = <100000>; + regulator-max-microvolt = <3300000>; + regulator-min-microvolt = <3300000>; + regulator-name = "+3V3_SD"; + startup-delay-us = <5000>; + }; +}; + +&main_pmx0 { + /* Aquila SD_1 */ + pinctrl_main_mmc1: main-mmc1-default-pins { + pinctrl-single,pins = < + J784S4_IOPAD(0x104, PIN_INPUT, 0) /* (AB38) MMC1_CLK */ /* AQUILA A6 */ + J784S4_IOPAD(0x108, PIN_INPUT, 0) /* (AB36) MMC1_CMD */ /* AQUILA A4 */ + J784S4_IOPAD(0x0fc, PIN_INPUT, 0) /* (AA33) MMC1_DAT0 */ /* AQUILA A8 */ + J784S4_IOPAD(0x0f8, PIN_INPUT, 0) /* (AB34) MMC1_DAT1 */ /* AQUILA A9 */ + J784S4_IOPAD(0x0f4, PIN_INPUT, 0) /* (AA32) MMC1_DAT2 */ /* AQUILA A1 */ + J784S4_IOPAD(0x0f0, PIN_INPUT, 0) /* (AC38) MMC1_DAT3 */ /* AQUILA A3 */ + J784S4_IOPAD(0x0e8, PIN_INPUT, 8) /* (AR38) TIMER_IO0.MMC1_SDCD */ /* AQUILA A10 */ + >; + }; + + /* Aquila UART_3, used as the Linux console */ + pinctrl_main_uart8: main-uart8-default-pins { + pinctrl-single,pins = < +#ifdef RUNNING_ON_AM69SK + + J784S4_IOPAD(0x0d0, PIN_INPUT, 11) /* (AP38) SPI0_CS1.UART8_RXD */ + J784S4_IOPAD(0x0d4, PIN_OUTPUT, 11) /* (AN38) SPI0_CLK.UART8_TXD */ +#else + J784S4_IOPAD(0x038, PIN_INPUT, 11) /* (AK35) MCASP0_ACLKX.UART8_RXD */ /* AQUILA D22 */ + J784S4_IOPAD(0x03c, PIN_OUTPUT, 11) /* (AK38) MCASP0_AFSX.UART8_TXD */ /* AQUILA D23 */ +#endif + >; + }; +}; + +&main_gpio0 { + status = "okay"; +}; + +/* On-module eMMC */ +&main_sdhci0 { + disable-wp; + no-mmc-hs400; /* TODO: verify the actual status, copied from TI SK AM69 */ + non-removable; + ti,driver-strength-ohm = <50>; + status = "okay"; +}; + +/* Aquila SD_1 */ +&main_sdhci1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_main_mmc1>; + disable-wp; + vmmc-supply = <®_sdhc1_vmmc>; + ti,driver-strength-ohm = <50>; + status = "disabled"; +}; + +/* Aquila UART_3, used as the Linux console */ +&main_uart8 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_main_uart8>; + status = "disabled"; +}; + +&wkup_gpio0 { + status = "okay"; +}; + +#ifdef RUNNING_ON_AM69SK +/ { + aliases { + ethernet0 = &mcu_cpsw_port1; + }; +}; + +&wkup_pmx2 { + mcu_cpsw_pins_default: mcu-cpsw-pins-default { + pinctrl-single,pins = < + J784S4_WKUP_IOPAD(0x02c, PIN_INPUT, 0) /* (A35) MCU_RGMII1_RD0 */ + J784S4_WKUP_IOPAD(0x028, PIN_INPUT, 0) /* (B36) MCU_RGMII1_RD1 */ + J784S4_WKUP_IOPAD(0x024, PIN_INPUT, 0) /* (C36) MCU_RGMII1_RD2 */ + J784S4_WKUP_IOPAD(0x020, PIN_INPUT, 0) /* (D36) MCU_RGMII1_RD3 */ + J784S4_WKUP_IOPAD(0x01c, PIN_INPUT, 0) /* (B37) MCU_RGMII1_RXC */ + J784S4_WKUP_IOPAD(0x004, PIN_INPUT, 0) /* (C37) MCU_RGMII1_RX_CTL */ + J784S4_WKUP_IOPAD(0x014, PIN_OUTPUT, 0) /* (D37) MCU_RGMII1_TD0 */ + J784S4_WKUP_IOPAD(0x010, PIN_OUTPUT, 0) /* (D38) MCU_RGMII1_TD1 */ + J784S4_WKUP_IOPAD(0x00c, PIN_OUTPUT, 0) /* (E37) MCU_RGMII1_TD2 */ + J784S4_WKUP_IOPAD(0x008, PIN_OUTPUT, 0) /* (E38) MCU_RGMII1_TD3 */ + J784S4_WKUP_IOPAD(0x018, PIN_OUTPUT, 0) /* (E36) MCU_RGMII1_TXC */ + J784S4_WKUP_IOPAD(0x000, PIN_OUTPUT, 0) /* (C38) MCU_RGMII1_TX_CTL */ + >; + }; + + mcu_mdio_pins_default: mcu-mdio-pins-default { + pinctrl-single,pins = < + J784S4_WKUP_IOPAD(0x034, PIN_OUTPUT, 0) /* (A36) MCU_MDIO0_MDC */ + J784S4_WKUP_IOPAD(0x030, PIN_INPUT, 0) /* (B35) MCU_MDIO0_MDIO */ + >; + }; +}; + +&mcu_cpsw { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&mcu_cpsw_pins_default>, <&mcu_mdio_pins_default>; +}; + +&davinci_mdio { + status = "okay"; + mcu_phy0: ethernet-phy@0 { + reg = <0>; + ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>; + ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>; + ti,min-output-impedance; + }; +}; + +&mcu_cpsw_port1 { + status = "okay"; + phy-mode = "rgmii-rxid"; + phy-handle = <&mcu_phy0>; +}; +#endif |