[PATCH v2 3/3] arm64: dts: ti: Add support for AM62D2-EVM
Paresh Bhagat
p-bhagat at ti.com
Mon May 5 02:13:14 PDT 2025
Hi Bryan,
On 03/05/25 01:37, Bryan Brattlof wrote:
> On May 2, 2025 thus sayeth Paresh Bhagat:
>> AM62D-EVM evaluation module (EVM) is a low-cost expandable platform board
>> designed for TI’s AM62D2 SoC. It supports the following interfaces:
>>
>> * 4 GB LPDDR4 RAM
>> * x2 Gigabit Ethernet expansion connectors
>> * x4 3.5mm TRS Audio Jack Line In
>> * x4 3.5mm TRS Audio Jack Line Out
>> * x2 Audio expansion connectors
>> * x1 Type-A USB 2.0, x1 Type-C dual-role device (DRD) USB 2.0
>> * x1 UHS-1 capable µSD card slot
>> * 32 GB eMMC Flash
>> * 512 Mb OSPI NOR flash
>> * x4 UARTs via USB 2.0-B
>> * XDS110 for onboard JTAG debug using USB
>> * Temperature sensors, user push buttons and LEDs
>>
>> Add basic support for AM62D2-EVM.
>>
>> Schematics Link - https://www.ti.com/lit/zip/sprcal5
>>
>> Signed-off-by: Paresh Bhagat <p-bhagat at ti.com>
>> ---
>> arch/arm64/boot/dts/ti/Makefile | 3 +
>> arch/arm64/boot/dts/ti/k3-am62d2-evm.dts | 445 +++++++++++++++++++++++
>> 2 files changed, 448 insertions(+)
>> create mode 100644 arch/arm64/boot/dts/ti/k3-am62d2-evm.dts
>>
>> diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile
>> index a48e7608de8b..1971f30879c9 100644
>> --- a/arch/arm64/boot/dts/ti/Makefile
>> +++ b/arch/arm64/boot/dts/ti/Makefile
>> @@ -33,6 +33,9 @@ dtb-$(CONFIG_ARCH_K3) += k3-am62-pocketbeagle2.dtb
>> dtb-$(CONFIG_ARCH_K3) += k3-am62a7-sk.dtb
>> dtb-$(CONFIG_ARCH_K3) += k3-am62a7-phyboard-lyra-rdk.dtb
>>
>> +# Boards with AM62Dx SoC
>> +dtb-$(CONFIG_ARCH_K3) += k3-am62d2-evm.dtb
>> +
>> # Boards with AM62Px SoC
>> dtb-$(CONFIG_ARCH_K3) += k3-am62p5-sk.dtb
>>
>> diff --git a/arch/arm64/boot/dts/ti/k3-am62d2-evm.dts b/arch/arm64/boot/dts/ti/k3-am62d2-evm.dts
>> new file mode 100644
>> index 000000000000..03c13b065143
>> --- /dev/null
>> +++ b/arch/arm64/boot/dts/ti/k3-am62d2-evm.dts
>> @@ -0,0 +1,445 @@
>> +// SPDX-License-Identifier: GPL-2.0-only OR MIT
>> +/*
>> + * AM62D2 EVM: https://www.ti.com/lit/zip/sprcal5
>> + *
>> + * Copyright (C) 2025 Texas Instruments Incorporated - https://www.ti.com/
>> + */
>> +
>> +/dts-v1/;
>> +
>> +#include <dt-bindings/leds/common.h>
>> +#include <dt-bindings/gpio/gpio.h>
>> +#include <dt-bindings/net/ti-dp83867.h>
>> +#include "k3-am62a7.dtsi"
>> +
>> +/ {
>> + compatible = "ti,am62d2-evm", "ti,am62d2";
>> + model = "Texas Instruments AM62D2 EVM";
>> +
>> + aliases {
>> + serial0 = &wkup_uart0;
>> + serial1 = &mcu_uart0;
>> + serial2 = &main_uart0;
>> + mmc1 = &sdhci1;
>> + rtc0 = &wkup_rtc0;
>> + };
>> +
>> + chosen {
>> + stdout-path = "serial2:115200n8";
>> + };
>> +
>> + memory at 80000000 {
>> + device_type = "memory";
>> + /* 4G RAM */
>> + reg = <0x00000000 0x80000000 0x00000000 0x80000000>,
>> + <0x00000008 0x80000000 0x00000000 0x80000000>;
>> + };
>> +
>> + reserved-memory {
>> + #address-cells = <2>;
>> + #size-cells = <2>;
>> + ranges;
>> +
>> + /* global cma region */
>> + linux,cma {
>> + compatible = "shared-dma-pool";
>> + reusable;
>> + size = <0x00 0x2000000>;
>> + alloc-ranges = <0x00 0xc0000000 0x00 0x2000000>;
>> + linux,cma-default;
>> + };
>> +
>> + c7x_0_dma_memory_region: c7x-dma-memory at 99800000 {
>> + compatible = "shared-dma-pool";
>> + reg = <0x00 0x99800000 0x00 0x100000>;
>> + no-map;
>> + };
>> +
>> + c7x_0_memory_region: c7x-memory at 99900000 {
>> + compatible = "shared-dma-pool";
>> + reg = <0x00 0x99900000 0x00 0xf00000>;
>> + no-map;
>> + };
>> +
>> + mcu_r5fss0_core0_dma_memory_region: r5f-dma-memory at 9b800000 {
>> + compatible = "shared-dma-pool";
>> + reg = <0x00 0x9b800000 0x00 0x100000>;
>> + no-map;
>> + };
>> +
>> + mcu_r5fss0_core0_memory_region: r5f-dma-memory at 9b900000 {
>> + compatible = "shared-dma-pool";
>> + reg = <0x00 0x9b900000 0x00 0xf00000>;
>> + no-map;
>> + };
>> +
>> + wkup_r5fss0_core0_dma_memory_region: r5f-dma-memory at 9c800000 {
>> + compatible = "shared-dma-pool";
>> + reg = <0x00 0x9c800000 0x00 0x100000>;
>> + no-map;
>> + };
>> +
>> + wkup_r5fss0_core0_memory_region: r5f-dma-memory at 9c900000 {
>> + compatible = "shared-dma-pool";
>> + reg = <0x00 0x9c900000 0x00 0xf00000>;
>> + no-map;
>> + };
>> +
>> + secure_tfa_ddr: tfa at 9e780000 {
>> + reg = <0x00 0x9e780000 0x00 0x80000>;
> I don't think this is where TF-A actually is.
The addresses are same as what is being pushed upstream for AM62a.
https://patchew.org/linux/20250415153147.1844076-1-jm@ti.com/20250415153147.1844076-7-jm@ti.com/
>
>> + alignment = <0x1000>;
>> + no-map;
>> + };
>> +
>> + secure_ddr: optee at 9e800000 {
>> + reg = <0x00 0x9e800000 0x00 0x01800000>; /* for OP-TEE */
>> + alignment = <0x1000>;
>> + no-map;
>> + };
>> + };
>> +
>> + opp-table {
>> + /* Requires VDD_CORE at 0v85 */
>> + opp-1400000000 {
>> + opp-hz = /bits/ 64 <1400000000>;
>> + opp-supported-hw = <0x01 0x0004>;
>> + clock-latency-ns = <6000000>;
>> + };
>> + };
>> +
>> + vout_pd: regulator-1 {
>> + /* TPS65988 PD CONTROLLER OUTPUT */
>> + compatible = "regulator-fixed";
>> + regulator-name = "vout_pd";
>> + regulator-min-microvolt = <5000000>;
>> + regulator-max-microvolt = <5000000>;
>> + regulator-always-on;
>> + regulator-boot-on;
>> + };
>> +
>> + vmain_pd: load-switch {
>> + /* Output of TPS22811 */
>> + compatible = "regulator-fixed";
>> + regulator-name = "vmain_pd";
>> + regulator-min-microvolt = <5000000>;
>> + regulator-max-microvolt = <5000000>;
>> + vin-supply = <&vout_pd>;
>> + regulator-always-on;
>> + regulator-boot-on;
>> + };
>> +
>> + vcc_5v0: regulator-2 {
>> + /* Output of TPS630702RNMR */
>> + compatible = "regulator-fixed";
>> + regulator-name = "vcc_5v0";
>> + regulator-min-microvolt = <5000000>;
>> + regulator-max-microvolt = <5000000>;
>> + vin-supply = <&vmain_pd>;
>> + regulator-always-on;
>> + regulator-boot-on;
>> + };
>> +
>> + vdd_mmc1: regulator-3 {
>> + /* TPS22918DBVR */
>> + compatible = "regulator-fixed";
>> + regulator-name = "vdd_mmc1";
>> + regulator-min-microvolt = <3300000>;
>> + regulator-max-microvolt = <3300000>;
>> + regulator-boot-on;
>> + enable-active-high;
>> + gpio = <&exp1 3 GPIO_ACTIVE_HIGH>;
>> + };
>> +
>> + vddshv_sdio: regulator-4 {
>> + compatible = "regulator-gpio";
>> + regulator-name = "vddshv_sdio";
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&vddshv_sdio_pins_default>;
>> + regulator-min-microvolt = <1800000>;
>> + regulator-max-microvolt = <3300000>;
>> + regulator-boot-on;
>> + gpios = <&main_gpio1 31 GPIO_ACTIVE_HIGH>;
>> + states = <1800000 0x0>,
>> + <3300000 0x1>;
>> + };
>> +};
>> +
>> +&mcu_pmx0 {
>> + wkup_uart0_pins_default: wkup-uart0-default-pins {
>> + pinctrl-single,pins = <
>> + AM62DX_MCU_IOPAD(0x0024, PIN_INPUT, 0) /* (C9) WKUP_UART0_RXD */
>> + AM62DX_MCU_IOPAD(0x0028, PIN_OUTPUT, 0) /* (E9) WKUP_UART0_TXD */
>> + AM62DX_MCU_IOPAD(0x002c, PIN_INPUT, 0) /* (C10) WKUP_UART0_CTSn */
>> + AM62DX_MCU_IOPAD(0x0030, PIN_OUTPUT, 0) /* (C8) WKUP_UART0_RTSn */
>> + >;
>> + };
>> +};
>> +
>> +/* WKUP UART0 is used for DM firmware logs */
>> +&wkup_uart0 {
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&wkup_uart0_pins_default>;
>> + status = "reserved";
>> +};
>> +
>> +&main_pmx0 {
>> + main_uart0_pins_default: main-uart0-default-pins {
>> + pinctrl-single,pins = <
>> + AM62DX_IOPAD(0x01c8, PIN_INPUT, 0) /* (E14) UART0_RXD */
>> + AM62DX_IOPAD(0x01cc, PIN_OUTPUT, 0) /* (D15) UART0_TXD */
>> + >;
>> + };
>> +
>> + main_i2c0_pins_default: main-i2c0-default-pins {
>> + pinctrl-single,pins = <
>> + AM62DX_IOPAD(0x01e0, PIN_INPUT_PULLUP, 0) /* (D17) I2C0_SCL */
>> + AM62DX_IOPAD(0x01e4, PIN_INPUT_PULLUP, 0) /* (E16) I2C0_SDA */
>> + >;
>> + };
>> +
>> + main_i2c1_pins_default: main-i2c1-default-pins {
>> + pinctrl-single,pins = <
>> + AM62DX_IOPAD(0x01e8, PIN_INPUT_PULLUP, 0) /* (C17) I2C1_SCL */
>> + AM62DX_IOPAD(0x01ec, PIN_INPUT_PULLUP, 0) /* (E17) I2C1_SDA */
>> + >;
>> + };
>> +
>> + main_i2c2_pins_default: main-i2c2-default-pins {
>> + pinctrl-single,pins = <
>> + AM62DX_IOPAD(0x00b0, PIN_INPUT_PULLUP, 1) /* (M22) GPMC0_CSn2.I2C2_SCL */
>> + AM62DX_IOPAD(0x00b4, PIN_INPUT_PULLUP, 1) /* (M20) GPMC0_CSn3.I2C2_SDA */
>> + >;
>> + };
>> +
>> + main_mmc1_pins_default: main-mmc1-default-pins {
>> + pinctrl-single,pins = <
>> + AM62DX_IOPAD(0x023c, PIN_INPUT, 0) /* (C21) MMC1_CMD */
>> + AM62DX_IOPAD(0x0234, PIN_OUTPUT, 0) /* (E22) MMC1_CLK */
>> + AM62DX_IOPAD(0x0230, PIN_INPUT, 0) /* (B22) MMC1_DAT0 */
>> + AM62DX_IOPAD(0x022c, PIN_INPUT_PULLUP, 0) /* (D21) MMC1_DAT1 */
>> + AM62DX_IOPAD(0x0228, PIN_INPUT_PULLUP, 0) /* (C22) MMC1_DAT2 */
>> + AM62DX_IOPAD(0x0224, PIN_INPUT_PULLUP, 0) /* (D22) MMC1_DAT3 */
>> + AM62DX_IOPAD(0x0240, PIN_INPUT, 0) /* (E18) MMC1_SDCD */
>> + AM62DX_IOPAD(0x0244, PIN_INPUT, 0) /* (D18) MMC1_SDWP */
>> + >;
>> + };
>> +
>> + main_mdio1_pins_default: main-mdio1-default-pins {
>> + pinctrl-single,pins = <
>> + AM62DX_IOPAD(0x160, PIN_OUTPUT, 0) /* (V12) MDIO0_MDC */
>> + AM62DX_IOPAD(0x15c, PIN_INPUT, 0) /* (V13) MDIO0_MDIO */
>> + >;
>> + };
>> +
>> + main_gpio1_ioexp_intr_pins_default: main-gpio1-ioexp-intr-default-pins {
>> + pinctrl-single,pins = <
>> + AM62DX_IOPAD(0x01d4, PIN_INPUT, 7) /* (C15) UART0_RTSn.GPIO1_23 */
>> + >;
>> + };
>> +
>> + vddshv_sdio_pins_default: vddshv-sdio-default-pins {
>> + pinctrl-single,pins = <
>> + AM62DX_IOPAD(0x1F4, PIN_OUTPUT, 7) /* (M19) GPMC0_CLK.GPIO1_31 */
>> + >;
>> + };
>> +};
>> +
>> +&mcu_pmx0 {
>> + status = "okay";
>> +
>> + pmic_irq_pins_default: pmic-irq-default-pins {
>> + pinctrl-single,pins = <
>> + AM62DX_MCU_IOPAD(0x000, PIN_INPUT, 7) /* (E11) MCU_GPIO0_0 */
>> + >;
>> + };
>> +};
>> +
>> +&mcu_gpio0 {
>> + status = "okay";
>> +};
>> +
>> +&main_i2c0 {
>> + status = "okay";
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&main_i2c0_pins_default>;
>> + clock-frequency = <400000>;
>> +
>> + typec_pd0: usb-power-controller at 3f {
>> + compatible = "ti,tps6598x";
>> + reg = <0x3f>;
>> +
>> + connector {
>> + compatible = "usb-c-connector";
>> + label = "USB-C";
>> + self-powered;
>> + data-role = "dual";
>> + power-role = "sink";
>> + port {
>> + usb_con_hs: endpoint {
>> + remote-endpoint = <&usb0_hs_ep>;
>> + };
>> + };
>> + };
>> + };
>> +
>> + exp1: gpio at 22 {
>> + compatible = "ti,tca6424";
>> + reg = <0x22>;
>> + gpio-controller;
>> + #gpio-cells = <2>;
>> + interrupt-parent = <&main_gpio1>;
>> + interrupts = <23 IRQ_TYPE_EDGE_FALLING>;
>> + interrupt-controller;
>> + #interrupt-cells = <2>;
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&main_gpio1_ioexp_intr_pins_default>;
>> +
>> + gpio-line-names = "GPIO_CPSW2_RST", "GPIO_CPSW1_RST",
>> + "MMC1_SD_EN", "VPP_EN",
>> + "GPIO_DIX_RST", "IO_EXP_OPT_EN",
>> + "DIX_INT", "GPIO_eMMC_RSTn",
>> + "CPLD2_DONE", "CPLD2_INTN",
>> + "CPLD1_DONE", "CPLD1_INTN",
>> + "USB_TYPEA_OC_INDICATION", "PCM1_INT",
>> + "PCM2_INT", "GPIO_PCM1_RST",
>> + "TEST_GPIO2", "GPIO_PCM2_RST",
>> + "IO_MCAN0_STB", "IO_MCAN1_STB",
>> + "PD_I2C_IRQ", "IO_EXP_TEST_LED";
>> + };
>> +
>> + exp2: gpio at 23 {
>> + compatible = "ti,tca6424";
>> + reg = <0x23>;
>> + gpio-controller;
>> + #gpio-cells = <2>;
>> +
>> + gpio-line-names = "", "DAC_LAT_CTRL",
>> + "CPLD1_JTAGENB", "CPLD1_PROGRAMN",
>> + "CPLD2_JTAGENB", "CPLD2_PROGRAMN",
>> + "", "",
>> + "", "",
>> + "", "",
>> + "", "",
>> + "", "",
>> + "", "",
>> + "SoC_I2C0_SCL", "SoC_I2C0_SDA";
>> + };
>> +};
>> +
>> +&main_i2c1 {
>> + status = "okay";
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&main_i2c1_pins_default>;
>> + clock-frequency = <100000>;
>> + bootph-all;
> I'm not seeing other any other boot phase flags? What are you using to
> boot this board?
>
> ~Bryan
It is a mistake and bootph-all is not required for this node. I will
remove it in the next version.
>
>> +};
>> +
>> +&main_i2c2 {
>> + status = "okay";
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&main_i2c2_pins_default>;
>> + clock-frequency = <400000>;
>> +};
>> +
>> +&sdhci1 {
>> + /* SD/MMC */
>> + status = "okay";
>> + vmmc-supply = <&vdd_mmc1>;
>> + vqmmc-supply = <&vddshv_sdio>;
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&main_mmc1_pins_default>;
>> + disable-wp;
>> +};
>> +
>> +&main_gpio0 {
>> + status = "okay";
>> +};
>> +
>> +&main_gpio1 {
>> + status = "okay";
>> +};
>> +
>> +&main_gpio_intr {
>> + status = "okay";
>> +};
>> +
>> +&main_uart0 {
>> + status = "okay";
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&main_uart0_pins_default>;
>> +};
>> +
>> +&usb0 {
>> + usb-role-switch;
>> +
>> + port {
>> + usb0_hs_ep: endpoint {
>> + remote-endpoint = <&usb_con_hs>;
>> + };
>> + };
>> +};
>> +
>> +&mailbox0_cluster0 {
>> + status = "okay";
>> +
>> + mbox_r5_0: mbox-r5-0 {
>> + ti,mbox-rx = <0 0 0>;
>> + ti,mbox-tx = <1 0 0>;
>> + };
>> +};
>> +
>> +&mailbox0_cluster1 {
>> + status = "okay";
>> +
>> + mbox_c7x_0: mbox-c7x-0 {
>> + ti,mbox-rx = <0 0 0>;
>> + ti,mbox-tx = <1 0 0>;
>> + };
>> +};
>> +
>> +&mailbox0_cluster2 {
>> + status = "okay";
>> +
>> + mbox_mcu_r5_0: mbox-mcu-r5-0 {
>> + ti,mbox-rx = <0 0 0>;
>> + ti,mbox-tx = <1 0 0>;
>> + };
>> +};
>> +
>> +&wkup_r5fss0 {
>> + status = "okay";
>> +};
>> +
>> +&wkup_r5fss0_core0 {
>> + mboxes = <&mailbox0_cluster0>, <&mbox_r5_0>;
>> + memory-region = <&wkup_r5fss0_core0_dma_memory_region>,
>> + <&wkup_r5fss0_core0_memory_region>;
>> +};
>> +
>> +&mcu_r5fss0 {
>> + status = "okay";
>> +};
>> +
>> +&mcu_r5fss0_core0 {
>> + mboxes = <&mailbox0_cluster2>, <&mbox_mcu_r5_0>;
>> + memory-region = <&mcu_r5fss0_core0_dma_memory_region>,
>> + <&mcu_r5fss0_core0_memory_region>;
>> +};
>> +
>> +&c7x_0 {
>> + status = "okay";
>> +
>> + mboxes = <&mailbox0_cluster1>, <&mbox_c7x_0>;
>> + memory-region = <&c7x_0_dma_memory_region>,
>> + <&c7x_0_memory_region>;
>> +};
>> +
>> +/* main_rti4 is used by C7x DSP */
>> +&main_rti4 {
>> + status = "reserved";
>> +};
>> +
>> +/* main_timer2 is used by C7x DSP */
>> +&main_timer2 {
>> + status = "reserved";
>> +};
>> --
>> 2.34.1
>>
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