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arm64: dts: ti: Add support for the AM62P5 Starter Kit

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Add basic support for the AM62P5 SK with UART console and
ramdisk as rootfs.

Schematics is at https://www.ti.com/lit/zip/sprr487

Signed-off-by: Bryan Brattlof <bb@ti.com>
Acked-by: Andrew Davis <afd@ti.com>
Reviewed-by: Dhruva Gole <d-gole@ti.com>
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Link: https://lore.kernel.org/r/20230811184432.732215-4-vigneshr@ti.com
Signed-off-by: Nishanth Menon <nm@ti.com>
This commit is contained in:
Bryan Brattlof
2023-08-12 00:14:32 +05:30
committed by Nishanth Menon
parent 29075cc09f
commit 935c4047d4
2 changed files with 119 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
arch/arm64/boot/dts/ti/Makefile
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@@ -24,6 +24,9 @@ dtb-$(CONFIG_ARCH_K3) += k3-am62x-sk-hdmi-audio.dtbo
# Boards with AM62Ax SoC
dtb-$(CONFIG_ARCH_K3) += k3-am62a7-sk.dtb
# Boards with AM62Px SoC
dtb-$(CONFIG_ARCH_K3) += k3-am62p5-sk.dtb
# Boards with AM64x SoC
dtb-$(CONFIG_ARCH_K3) += k3-am642-evm.dtb
dtb-$(CONFIG_ARCH_K3) += k3-am642-phyboard-electra-rdk.dtb

116
arch/arm64/boot/dts/ti/k3-am62p5-sk.dts Normal file
View File

@@ -0,0 +1,116 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Device Tree file for the AM62P5-SK
* Copyright (C) 2023 Texas Instruments Incorporated - https://www.ti.com/
*
* Schematics: https://www.ti.com/lit/zip/sprr487
*/
/dts-v1/;
#include "k3-am62p5.dtsi"
/ {
compatible = "ti,am62p5-sk", "ti,am62p5";
model = "Texas Instruments AM62P5 SK";
aliases {
serial0 = &wkup_uart0;
serial2 = &main_uart0;
serial3 = &main_uart1;
};
chosen {
stdout-path = &main_uart0;
};
memory@80000000 {
/* 8G RAM */
reg = <0x00000000 0x80000000 0x00000000 0x80000000>,
<0x00000008 0x80000000 0x00000001 0x80000000>;
device_type = "memory";
};
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>; /* for OP-TEE */
no-map;
};
wkup_r5fss0_core0_memory_region: r5f-dma-memory@9c900000 {
compatible = "shared-dma-pool";
reg = <0x00 0x9c900000 0x00 0x01e00000>;
no-map;
};
};
};
&main_pmx0 {
main_uart0_pins_default: main-uart0-default-pins {
bootph-all;
pinctrl-single,pins = <
AM62PX_IOPAD(0x1c8, PIN_INPUT, 0) /* (A22) UART0_RXD */
AM62PX_IOPAD(0x1cc, PIN_OUTPUT, 0) /* (B22) UART0_TXD */
AM62PX_IOPAD(0x1d0, PIN_INPUT, 0) /* (A23) UART0_CTSn */
AM62PX_IOPAD(0x1d4, PIN_OUTPUT, 0) /* (C22) UART0_RTSn */
>;
};
main_uart1_pins_default: main-uart1-default-pins {
bootph-all;
pinctrl-single,pins = <
AM62PX_IOPAD(0x194, PIN_INPUT, 2) /* (D25) MCASP0_AXR3 */
AM62PX_IOPAD(0x198, PIN_OUTPUT, 2) /* (E25) MCASP0_AXR2 */
AM62PX_IOPAD(0x1ac, PIN_INPUT, 2) /* (G23) MCASP0_AFSR */
AM62PX_IOPAD(0x1b0, PIN_OUTPUT, 2) /* (G20) MCASP0_ACLKR */
>;
};
};
&main_uart0 {
bootph-all;
pinctrl-names = "default";
pinctrl-0 = <&main_uart0_pins_default>;
status = "okay";
};
&main_uart1 {
pinctrl-names = "default";
pinctrl-0 = <&main_uart1_pins_default>;
/* Main UART1 is used by TIFS firmware */
status = "reserved";
};
&cbass_mcu {
bootph-all;
};
&mcu_pmx0 {
bootph-all;
wkup_uart0_pins_default: wkup-uart0-default-pins {
bootph-all;
pinctrl-single,pins = <
AM62PX_MCU_IOPAD(0x02c, PIN_INPUT, 0) /* (C7) WKUP_UART0_CTSn */
AM62PX_MCU_IOPAD(0x030, PIN_OUTPUT, 0) /* (C6) WKUP_UART0_RTSn */
AM62PX_MCU_IOPAD(0x024, PIN_INPUT, 0) /* (D8) WKUP_UART0_RXD */
AM62PX_MCU_IOPAD(0x028, PIN_OUTPUT, 0) /* (D7) WKUP_UART0_TXD */
>;
};
};
&wkup_uart0 {
/* WKUP UART0 is used by DM firmware */
bootph-all;
pinctrl-names = "default";
pinctrl-0 = <&wkup_uart0_pins_default>;
status = "reserved";
};