A System on Module (SoM) contains the SoC, PMIC, DDR and basic high speed components necessary for functionality. Therefore, add support for the components present on the SoM.
Signed-off-by: Aswath Govindraju a-govindraju@ti.com --- arch/arm/dts/k3-j721s2-som-p0.dtsi | 173 +++++++++++++++++++++++++++++ 1 file changed, 173 insertions(+) create mode 100644 arch/arm/dts/k3-j721s2-som-p0.dtsi
diff --git a/arch/arm/dts/k3-j721s2-som-p0.dtsi b/arch/arm/dts/k3-j721s2-som-p0.dtsi new file mode 100644 index 000000000000..c0687fece017 --- /dev/null +++ b/arch/arm/dts/k3-j721s2-som-p0.dtsi @@ -0,0 +1,173 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2021 Texas Instruments Incorporated - https://www.ti.com/ + */ + +/dts-v1/; + +#include "k3-j721s2.dtsi" +#include <dt-bindings/gpio/gpio.h> + +/ { + memory@80000000 { + device_type = "memory"; + /* 16 GB RAM */ + reg = <0x00 0x80000000 0x00 0x80000000>, + <0x08 0x80000000 0x03 0x80000000>; + }; + + reserved_memory: reserved-memory { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + secure_ddr: optee@9e800000 { + reg = <0x00 0x9e800000 0x00 0x01800000>; + alignment = <0x1000>; + no-map; + }; + + }; + + transceiver0: can-phy0 { + /* standby pin has been grounded by default */ + compatible = "ti,tcan1042"; + #phy-cells = <0>; + max-bitrate = <5000000>; + }; +}; + +&main_pmx0 { + main_i2c0_pins_default: main-i2c0-pins-default { + pinctrl-single,pins = < + J721S2_IOPAD(0x0e0, PIN_INPUT_PULLUP, 0) /* (AH25) I2C0_SCL */ + J721S2_IOPAD(0x0e4, PIN_INPUT_PULLUP, 0) /* (AE24) I2C0_SDA */ + >; + }; + + main_mcan16_pins_default: main-mcan16-pins-default { + pinctrl-single,pins = < + J721S2_IOPAD(0x028, PIN_INPUT, 0) /* (AB24) MCAN16_RX */ + J721S2_IOPAD(0x024, PIN_OUTPUT, 0) /* (Y28) MCAN16_TX */ + >; + }; +}; + +&main_i2c0 { + pinctrl-names = "default"; + pinctrl-0 = <&main_i2c0_pins_default>; + clock-frequency = <400000>; + + exp_som: gpio@21 { + compatible = "ti,tca6408"; + reg = <0x21>; + gpio-controller; + #gpio-cells = <2>; + gpio-line-names = "USB2.0_MUX_SEL", "CANUART_MUX1_SEL0", + "CANUART_MUX2_SEL0", "CANUART_MUX_SEL1", + "GPIO_RGMII1_RST", "GPIO_eDP_ENABLE", + "GPIO_LIN_EN", "CAN_STB"; + }; +}; + +&main_mcan16 { + pinctrl-0 = <&main_mcan16_pins_default>; + pinctrl-names = "default"; + phys = <&transceiver0>; +}; + +&mailbox0_cluster0 { + status = "disabled"; +}; + +&mailbox0_cluster1 { + status = "disabled"; +}; + +&mailbox0_cluster2 { + status = "disabled"; +}; + +&mailbox0_cluster3 { + status = "disabled"; +}; + +&mailbox0_cluster4 { + status = "disabled"; +}; + +&mailbox0_cluster5 { + status = "disabled"; +}; + +&mailbox0_cluster6 { + status = "disabled"; +}; + +&mailbox0_cluster7 { + status = "disabled"; +}; + +&mailbox0_cluster8 { + status = "disabled"; +}; + +&mailbox0_cluster9 { + status = "disabled"; +}; + +&mailbox0_cluster10 { + status = "disabled"; +}; + +&mailbox0_cluster11 { + status = "disabled"; +}; + +&mailbox1_cluster0 { + status = "disabled"; +}; + +&mailbox1_cluster1 { + status = "disabled"; +}; + +&mailbox1_cluster2 { + status = "disabled"; +}; + +&mailbox1_cluster3 { + status = "disabled"; +}; + +&mailbox1_cluster4 { + status = "disabled"; +}; + +&mailbox1_cluster5 { + status = "disabled"; +}; + +&mailbox1_cluster6 { + status = "disabled"; +}; + +&mailbox1_cluster7 { + status = "disabled"; +}; + +&mailbox1_cluster8 { + status = "disabled"; +}; + +&mailbox1_cluster9 { + status = "disabled"; +}; + +&mailbox1_cluster10 { + status = "disabled"; +}; + +&mailbox1_cluster11 { + status = "disabled"; +};