linux/arch/arm64/boot/dts/ti/k3-j7200-som-p0.dtsi
Peter Ujfalusi b6633d7786 arm64: dts: ti: k3-j7200-som-p0: main_i2c0 have an ioexpander on the SOM
The J7200 SOM have additional io expander which is used to control several
SOM level muxes to make sure that the correct signals are routed to the
correct pin on the SOM <-> CPB connectors.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Vignesh Raghavendra <vigneshr@ti.com>
Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
Link: https://lore.kernel.org/r/20201120073533.24486-2-peter.ujfalusi@ti.com
2020-11-27 08:05:07 -06:00

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Text

// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2020 Texas Instruments Incorporated - https://www.ti.com/
*/
/dts-v1/;
#include "k3-j7200.dtsi"
/ {
memory@80000000 {
device_type = "memory";
/* 4G RAM */
reg = <0x00 0x80000000 0x00 0x80000000>,
<0x08 0x80000000 0x00 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;
};
};
};
&wkup_pmx0 {
mcu_fss0_hpb0_pins_default: mcu-fss0-hpb0-pins-default {
pinctrl-single,pins = <
J721E_WKUP_IOPAD(0x0, PIN_OUTPUT, 1) /* (B6) MCU_OSPI0_CLK.MCU_HYPERBUS0_CK */
J721E_WKUP_IOPAD(0x4, PIN_OUTPUT, 1) /* (C8) MCU_OSPI0_LBCLKO.MCU_HYPERBUS0_CKn */
J721E_WKUP_IOPAD(0x2c, PIN_OUTPUT, 1) /* (D6) MCU_OSPI0_CSn0.MCU_HYPERBUS0_CSn0 */
J721E_WKUP_IOPAD(0x30, PIN_OUTPUT, 1) /* (D7) MCU_OSPI0_CSn1.MCU_HYPERBUS0_RESETn */
J721E_WKUP_IOPAD(0x8, PIN_INPUT, 1) /* (B7) MCU_OSPI0_DQS.MCU_HYPERBUS0_RWDS */
J721E_WKUP_IOPAD(0xc, PIN_INPUT, 1) /* (D8) MCU_OSPI0_D0.MCU_HYPERBUS0_DQ0 */
J721E_WKUP_IOPAD(0x10, PIN_INPUT, 1) /* (C7) MCU_OSPI0_D1.MCU_HYPERBUS0_DQ1 */
J721E_WKUP_IOPAD(0x14, PIN_INPUT, 1) /* (C5) MCU_OSPI0_D2.MCU_HYPERBUS0_DQ2 */
J721E_WKUP_IOPAD(0x18, PIN_INPUT, 1) /* (A5) MCU_OSPI0_D3.MCU_HYPERBUS0_DQ3 */
J721E_WKUP_IOPAD(0x1c, PIN_INPUT, 1) /* (A6) MCU_OSPI0_D4.MCU_HYPERBUS0_DQ4 */
J721E_WKUP_IOPAD(0x20, PIN_INPUT, 1) /* (B8) MCU_OSPI0_D5.MCU_HYPERBUS0_DQ5 */
J721E_WKUP_IOPAD(0x24, PIN_INPUT, 1) /* (A8) MCU_OSPI0_D6.MCU_HYPERBUS0_DQ6 */
J721E_WKUP_IOPAD(0x28, PIN_INPUT, 1) /* (A7) MCU_OSPI0_D7.MCU_HYPERBUS0_DQ7 */
>;
};
};
&main_pmx0 {
main_i2c0_pins_default: main-i2c0-pins-default {
pinctrl-single,pins = <
J721E_IOPAD(0xd4, PIN_INPUT_PULLUP, 0) /* (V3) I2C0_SCL */
J721E_IOPAD(0xd8, PIN_INPUT_PULLUP, 0) /* (W2) I2C0_SDA */
>;
};
};
&hbmc {
/* OSPI and HBMC are muxed inside FSS, Bootloader will enable
* appropriate node based on board detection
*/
status = "disabled";
pinctrl-names = "default";
pinctrl-0 = <&mcu_fss0_hpb0_pins_default>;
ranges = <0x00 0x00 0x05 0x00000000 0x4000000>, /* 64MB Flash on CS0 */
<0x01 0x00 0x05 0x04000000 0x800000>; /* 8MB RAM on CS1 */
flash@0,0 {
compatible = "cypress,hyperflash", "cfi-flash";
reg = <0x00 0x00 0x4000000>;
};
};
&mailbox0_cluster0 {
interrupts = <436>;
mbox_mcu_r5fss0_core0: mbox-mcu-r5fss0-core0 {
ti,mbox-rx = <0 0 0>;
ti,mbox-tx = <1 0 0>;
};
mbox_mcu_r5fss0_core1: mbox-mcu-r5fss0-core1 {
ti,mbox-rx = <2 0 0>;
ti,mbox-tx = <3 0 0>;
};
};
&mailbox0_cluster1 {
interrupts = <432>;
mbox_main_r5fss0_core0: mbox-main-r5fss0-core0 {
ti,mbox-rx = <0 0 0>;
ti,mbox-tx = <1 0 0>;
};
mbox_main_r5fss0_core1: mbox-main-r5fss0-core1 {
ti,mbox-rx = <2 0 0>;
ti,mbox-tx = <3 0 0>;
};
};
&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";
};
&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",
"UART/LIN_MUX_SEL", "TRC_D17/AUDIO_REFCLK_SEL",
"GPIO_LIN_EN", "CAN_STB";
};
};