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@xxxxxx> > Signed-off-by: Jayesh Choudhary <j-choudhary@xxxxxx> > Signed-off-by: Vaishnav Achath <vaishnav.a@xxxxxx> > --- > 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@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@9e780000 { > + reg = <0x00 0x9e780000 0x00 0x80000>; > + no-map; > + }; > + > + secure_ddr: optee@9e800000 { > + reg = <0x00 0x9e800000 0x00 0x01800000>; > + no-map; > + }; > + > + wkup_r5fss0_core0_memory_region: r5f-memory@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@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
