diff options
| -rw-r--r-- | arch/arm64/boot/dts/ti/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/ti/k3-am69-aquila-dev.dts | 43 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/ti/k3-am69-aquila.dtsi | 131 |
3 files changed, 175 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile index 2709426aea5f..028c924bfa2c 100644 --- a/arch/arm64/boot/dts/ti/Makefile +++ b/arch/arm64/boot/dts/ti/Makefile @@ -131,6 +131,7 @@ dtb-$(CONFIG_ARCH_K3) += k3-j722s-evm-microtips-mf101hie-panel.dtbo dtb-$(CONFIG_ARCH_K3) += k3-j722s-evm-v3link-fusion.dtbo # Boards with J784s4 SoC +dtb-$(CONFIG_ARCH_K3) += k3-am69-aquila-dev.dtb dtb-$(CONFIG_ARCH_K3) += k3-am69-sk.dtb dtb-$(CONFIG_ARCH_K3) += k3-am69-sk-csi2-ov5640.dtbo dtb-$(CONFIG_ARCH_K3) += k3-am69-sk-ddr-mem-carveout.dtbo diff --git a/arch/arm64/boot/dts/ti/k3-am69-aquila-dev.dts b/arch/arm64/boot/dts/ti/k3-am69-aquila-dev.dts new file mode 100644 index 000000000000..789fc787ee35 --- /dev/null +++ b/arch/arm64/boot/dts/ti/k3-am69-aquila-dev.dts @@ -0,0 +1,43 @@ +// SPDX-License-Identifier: GPL-2.0-or-later OR MIT +/* + * Copyright 2024 Toradex + * + * Device tree for Toradex Aquila AM69 SoM on Aquila development carrier board + * + * https://www.toradex.com/computer-on-modules/aquila-arm-family/ti-am69 + * https://www.toradex.com/products/carrier-board/aquila-development-board-kit + */ + +/dts-v1/; + +#include "k3-j784s4.dtsi" +#include "k3-am69-aquila.dtsi" + +/ { + model = "Toradex Aquila AM69 on Aquila Development Board"; + compatible = "toradex,aquila-am69-dev", + "toradex,aquila-am69", + "ti,j784s4"; +}; + +/* Aquila UART_1 */ +&main_uart1 { + status = "okay"; +}; + +/* Aquila UART_3, used as the Linux console */ +&main_uart8 { + status = "okay"; +}; + +/* Aquila UART_4 */ +&mcu_uart0 { + status = "okay"; +}; + +/* Aquila UART_2, through RS485 transceiver */ +&wkup_uart0 { + linux,rs485-enabled-at-boot-time; + rs485-rx-during-tx; + status = "reserved"; /* TODO: set to 'okay' after bring-up */ +}; diff --git a/arch/arm64/boot/dts/ti/k3-am69-aquila.dtsi b/arch/arm64/boot/dts/ti/k3-am69-aquila.dtsi new file mode 100644 index 000000000000..aa50523a6a75 --- /dev/null +++ b/arch/arm64/boot/dts/ti/k3-am69-aquila.dtsi @@ -0,0 +1,131 @@ +// 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" + +/ { + chosen { + stdout-path = "serial2:115200n8"; + }; + + aliases { + mmc0 = &main_sdhci0; + serial0 = &wkup_uart0; + serial1 = &mcu_uart0; + serial2 = &main_uart8; + serial3 = &main_uart1; + }; + + memory@80000000 { + device_type = "memory"; + /* 32G RAM */ + reg = <0x00 0x80000000 0x00 0x80000000>, + <0x08 0x80000000 0x07 0x80000000>; + }; + + 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; + }; + }; +}; + +&main_pmx0 { + /* Aquila UART_1 */ + pinctrl_main_uart1: main-uart1-default-pins { + pinctrl-single,pins = < + J784S4_IOPAD(0x05c, PIN_INPUT, 11) /* (AC36) MCASP2_AXR0.UART1_CTSn */ /* AQUILA B37 */ + J784S4_IOPAD(0x060, PIN_OUTPUT, 11) /* (AE36) MCASP2_AXR1.UART1_RTSn */ /* AQUILA B36 */ + J784S4_IOPAD(0x054, PIN_INPUT, 11) /* (AD37) MCASP2_ACLKX.UART1_RXD */ /* AQUILA B34 */ + J784S4_IOPAD(0x058, PIN_OUTPUT, 11) /* (AE37) MCASP2_AFSX.UART1_TXD */ /* AQUILA B35 */ + >; + }; + + /* Aquila UART_3, used as the Linux console */ + pinctrl_main_uart8: main-uart8-default-pins { + pinctrl-single,pins = < + 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 */ + >; + }; +}; + +&wkup_pmx1 { + /* Aquila UART_4 */ + pinctrl_mcu_uart0: mcu-uart0-default-pins { + pinctrl-single,pins = < + J784S4_WKUP_IOPAD(0x018, PIN_INPUT, 4) /* (D31) MCU_OSPI1_D1.MCU_UART0_RXD */ /* AQUILA D24 */ + J784S4_WKUP_IOPAD(0x01c, PIN_OUTPUT, 4) /* (G31) MCU_OSPI1_D2.MCU_UART0_TXD */ /* AQUILA D25 */ + >; + }; +}; + +&wkup_pmx2 { + /* Aquila UART_2 */ + pinctrl_wkup_uart0: wkup-uart0-default-pins { + pinctrl-single,pins = < + J784S4_WKUP_IOPAD(0x070, PIN_INPUT, 0) /* (L37) WKUP_GPIO0_6.WKUP_UART0_CTSn */ /* AQUILA L37 */ + J784S4_WKUP_IOPAD(0x074, PIN_OUTPUT, 0) /* (L36) WKUP_GPIO0_7.WKUP_UART0_RTSn */ /* AQUILA L36 */ + J784S4_WKUP_IOPAD(0x048, PIN_INPUT, 0) /* (K35) WKUP_UART0_RXD */ /* AQUILA K35 */ + J784S4_WKUP_IOPAD(0x04c, PIN_OUTPUT, 0) /* (K34) WKUP_UART0_TXD */ /* AQUILA K34 */ + >; + }; +}; + +/* 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 UART_1 */ +&main_uart1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_main_uart1>; + status = "disabled"; +}; + +/* Aquila UART_3, used as the Linux console */ +&main_uart8 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_main_uart8>; + status = "disabled"; +}; + +/* Aquila UART_4 */ +&mcu_uart0 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_mcu_uart0>; + status = "disabled"; +}; + +/* Aquila UART_2 */ +&wkup_uart0 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_wkup_uart0>; + status = "disabled"; +}; |