[PATCH 3/3] arm64: dts: ti: Add support for TI J722S Evaluation Module
Nishanth Menon
nm at ti.com
Wed Dec 13 12:28:13 PST 2023
On 18:19-20231213, Vaishnav Achath wrote:
> Add basic support for the J722S EVM with UART console and
> MMC SD as rootfs.
>
> Schematics are available at:
> https://www.ti.com/lit/zip/sprr495
>
> Co-developed-by: Jayesh Choudhary <j-choudhary at ti.com>
> Signed-off-by: Jayesh Choudhary <j-choudhary at ti.com>
> Signed-off-by: Vaishnav Achath <vaishnav.a at ti.com>
> ---
> arch/arm64/boot/dts/ti/Makefile | 3 +
> arch/arm64/boot/dts/ti/k3-j722s-evm.dts | 253 ++++++++++++++++++++++++
> 2 files changed, 256 insertions(+)
> create mode 100644 arch/arm64/boot/dts/ti/k3-j722s-evm.dts
>
> diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile
> index 1ac47876bc99..aa7cc33e239b 100644
> --- a/arch/arm64/boot/dts/ti/Makefile
> +++ b/arch/arm64/boot/dts/ti/Makefile
> @@ -76,6 +76,9 @@ dtb-$(CONFIG_ARCH_K3) += k3-j721s2-evm-gesi-exp-board.dtbo
> k3-j721s2-evm-dtbs := k3-j721s2-common-proc-board.dtb k3-j721s2-evm-gesi-exp-board.dtbo
> dtb-$(CONFIG_ARCH_K3) += k3-j721s2-evm.dtb
>
> +# Boards with J722s SoC
> +dtb-$(CONFIG_ARCH_K3) += k3-j722s-evm.dtb
> +
> # Boards with J784s4 SoC
> dtb-$(CONFIG_ARCH_K3) += k3-am69-sk.dtb
> dtb-$(CONFIG_ARCH_K3) += k3-j784s4-evm.dtb
> diff --git a/arch/arm64/boot/dts/ti/k3-j722s-evm.dts b/arch/arm64/boot/dts/ti/k3-j722s-evm.dts
> new file mode 100644
> index 000000000000..1cb29203a8ed
> --- /dev/null
> +++ b/arch/arm64/boot/dts/ti/k3-j722s-evm.dts
> @@ -0,0 +1,253 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Device Tree file for the J722S-EVM
> + * Copyright (C) 2023 Texas Instruments Incorporated - https://www.ti.com/
> + *
> + * Schematics: https://www.ti.com/lit/zip/sprr495
> + */
> +
> +/dts-v1/;
> +
> +#include "k3-j722s.dtsi"
> +
> +/ {
> + compatible = "ti,j722s-evm", "ti,j722s";
> + model = "Texas Instruments J722S EVM";
> +
> + aliases {
> + serial0 = &wkup_uart0;
> + serial2 = &main_uart0;
> + mmc0 = &sdhci0;
> + mmc1 = &sdhci1;
> + };
> +
> + chosen {
> + stdout-path = &main_uart0;
> + };
> +
> + memory at 80000000 {
> + /* 8G RAM */
> + reg = <0x00000000 0x80000000 0x00000000 0x80000000>,
> + <0x00000008 0x80000000 0x00000001 0x80000000>;
> + device_type = "memory";
> + bootph-pre-ram;
> + };
> +
> + reserved-memory {
> + #address-cells = <2>;
> + #size-cells = <2>;
> + ranges;
> +
> + secure_tfa_ddr: tfa at 9e780000 {
> + reg = <0x00 0x9e780000 0x00 0x80000>;
> + no-map;
> + };
> +
> + secure_ddr: optee at 9e800000 {
> + reg = <0x00 0x9e800000 0x00 0x01800000>;
> + no-map;
> + };
> +
> + wkup_r5fss0_core0_memory_region: r5f-memory at a0100000 {
> + compatible = "shared-dma-pool";
> + reg = <0x00 0xa0100000 0x00 0xf00000>;
> + no-map;
> + };
> +
> + };
> +
> + vmain_pd: regulator-0 {
> + /* TPS65988 PD CONTROLLER OUTPUT */
> + compatible = "regulator-fixed";
> + regulator-name = "vmain_pd";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + regulator-always-on;
> + regulator-boot-on;
> + bootph-all;
> + };
> +
> + vsys_5v0: regulator-vsys5v0 {
> + /* Output of LM5140 */
> + compatible = "regulator-fixed";
> + regulator-name = "vsys_5v0";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + vin-supply = <&vmain_pd>;
> + regulator-always-on;
> + regulator-boot-on;
> + };
> +
> + vdd_mmc1: regulator-mmc1 {
> + /* TPS22918DBVR */
> + compatible = "regulator-fixed";
> + regulator-name = "vdd_mmc1";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-boot-on;
> + enable-active-high;
> + gpio = <&exp1 15 GPIO_ACTIVE_HIGH>;
> + bootph-all;
> + };
> +
> + vdd_sd_dv: regulator-TLV71033 {
> + compatible = "regulator-gpio";
> + regulator-name = "tlv71033";
> + pinctrl-names = "default";
> + pinctrl-0 = <&vdd_sd_dv_pins_default>;
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-boot-on;
> + vin-supply = <&vsys_5v0>;
> + gpios = <&main_gpio0 70 GPIO_ACTIVE_HIGH>;
> + states = <1800000 0x0>,
> + <3300000 0x1>;
> + };
> +
> + vsys_io_1v8: regulator-vsys-io-1v8 {
> + compatible = "regulator-fixed";
> + regulator-name = "vsys_io_1v8";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-always-on;
> + regulator-boot-on;
> + };
> +
> + vsys_io_1v2: regulator-vsys-io-1v2 {
> + compatible = "regulator-fixed";
> + regulator-name = "vsys_io_1v2";
> + regulator-min-microvolt = <1200000>;
> + regulator-max-microvolt = <1200000>;
> + regulator-always-on;
> + regulator-boot-on;
> + };
> +};
> +
> +&main_pmx0 {
> + bootph-all;
Only in leaf nodes.
> +
> + main_i2c0_pins_default: main-i2c0-default-pins {
> + pinctrl-single,pins = <
> + J722S_IOPAD(0x01e0, PIN_INPUT_PULLUP, 0) /* (D23) I2C0_SCL */
> + J722S_IOPAD(0x01e4, PIN_INPUT_PULLUP, 0) /* (B22) I2C0_SDA */
> + >;
> + bootph-all;
> + };
> +
> + main_uart0_pins_default: main-uart0-default-pins {
> + pinctrl-single,pins = <
> + J722S_IOPAD(0x1c8, PIN_INPUT, 0) /* (A22) UART0_RXD */
> + J722S_IOPAD(0x1cc, PIN_OUTPUT, 0) /* (B22) UART0_TXD */
> + >;
> + bootph-all;
> + };
> +
> + vdd_sd_dv_pins_default: vdd-sd-dv-default-pins {
> + pinctrl-single,pins = <
> + J722S_IOPAD(0x0120, PIN_INPUT, 7) /* (F27) MMC2_CMD.GPIO0_70 */
> + >;
> + bootph-all;
> + };
> +
> + main_mmc1_pins_default: main-mmc1-default-pins {
> + pinctrl-single,pins = <
> + J722S_IOPAD(0x023c, PIN_INPUT, 0) /* (H22) MMC1_CMD */
> + J722S_IOPAD(0x0234, PIN_OUTPUT, 0) /* (H24) MMC1_CLK */
> + J722S_IOPAD(0x0230, PIN_INPUT, 0) /* (H23) MMC1_DAT0 */
> + J722S_IOPAD(0x022c, PIN_INPUT_PULLUP, 0) /* (H20) MMC1_DAT1 */
> + J722S_IOPAD(0x0228, PIN_INPUT_PULLUP, 0) /* (J23) MMC1_DAT2 */
> + J722S_IOPAD(0x0224, PIN_INPUT_PULLUP, 0) /* (H25) MMC1_DAT3 */
> + J722S_IOPAD(0x0240, PIN_INPUT, 0) /* (B24) MMC1_SDCD */
> + >;
> + bootph-all;
> + };
> +};
> +
> +&main_gpio1 {
> + status = "okay";
> +};
> +
> +&main_uart0 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&main_uart0_pins_default>;
> + status = "okay";
> + bootph-all;
> +};
> +
> +&mcu_pmx0 {
> + bootph-all;
Same..
> +
> + wkup_uart0_pins_default: wkup-uart0-default-pins {
> + pinctrl-single,pins = <
> + J722S_MCU_IOPAD(0x02c, PIN_INPUT, 0) /* (C7) WKUP_UART0_CTSn */
> + J722S_MCU_IOPAD(0x030, PIN_OUTPUT, 0) /* (C6) WKUP_UART0_RTSn */
> + J722S_MCU_IOPAD(0x024, PIN_INPUT, 0) /* (D8) WKUP_UART0_RXD */
> + J722S_MCU_IOPAD(0x028, PIN_OUTPUT, 0) /* (D7) WKUP_UART0_TXD */
> + >;
> + bootph-all;
> + };
> +
> + wkup_i2c0_pins_default: wkup-i2c0-default-pins {
> + pinctrl-single,pins = <
> + J722S_MCU_IOPAD(0x04c, PIN_INPUT_PULLUP, 0) /* (C7) WKUP_I2C0_SCL */
> + J722S_MCU_IOPAD(0x050, PIN_INPUT_PULLUP, 0) /* (C6) WKUP_I2C1_SDA */
> + >;
> + bootph-all;
> + };
> +};
> +
> +&wkup_uart0 {
> + /* WKUP UART0 is used by DM firmware */
> + pinctrl-names = "default";
> + pinctrl-0 = <&wkup_uart0_pins_default>;
> + status = "reserved";
> + bootph-all;
> +};
> +
> +&wkup_i2c0 {
> + status = "okay";
> + pinctrl-names = "default";
> + pinctrl-0 = <&wkup_i2c0_pins_default>;
> + clock-frequency = <400000>;
> + bootph-all;
> +};
> +
> +&main_i2c0 {
> + status = "okay";
> + pinctrl-names = "default";
> + pinctrl-0 = <&main_i2c0_pins_default>;
> + clock-frequency = <400000>;
> + bootph-all;
> +
> + exp1: gpio at 23 {
> + compatible = "ti,tca6424";
> + reg = <0x23>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + gpio-line-names = "TRC_MUX_SEL", "OSPI/ONAND_MUX_SEL",
> + "MCASP1_FET_SEL", "CTRL_PM_I2C_OE#",
> + "CSI_VIO_SEL", "USB2.0_MUX_SEL",
> + "CSI01_MUX_SEL_2", "CSI23_MUX_SEL_2",
> + "LMK1_OE1", "LMK1_OE0",
> + "LMK2_OE0", "LMK2_OE1",
> + "GPIO_RGMII1_RST#", "GPIO_AUD_RSTn",
> + "GPIO_eMMC_RSTn", "GPIO_uSD_PWR_EN",
> + "USER_LED2", "MCAN0_STB",
> + "PCIe0_1L_RC_RSTz", "PCIe0_1L_PRSNT#",
> + "ENET1_EXP_SPARE2", "ENET1_EXP_PWRDN",
> + "PD_I2ENET1_I2CMUX_SELC_IRQ", "ENET1_EXP_RESETZ";
> + };
> +};
> +
> +&sdhci1 {
> + /* SD/MMC */
> + status = "okay";
> + vmmc-supply = <&vdd_mmc1>;
> + vqmmc-supply = <&vdd_sd_dv>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&main_mmc1_pins_default>;
> + ti,driver-strength-ohm = <50>;
> + disable-wp;
> + no-1-8-v;
> + bootph-all;
> +};
> --
> 2.17.1
>
--
Regards,
Nishanth Menon
Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3 1A34 DDB5 849D 1736 249D
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