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Message-Id: <20230119132958.124435-3-sabiya.d@ti.com>
Date: Thu, 19 Jan 2023 18:59:58 +0530
From: sabiya.d@...tralsolutions.com
To: nm@...com, vigneshr@...com, kristo@...nel.org, robh+dt@...nel.org,
krzysztof.kozlowski+dt@...aro.org, linus.walleij@...aro.org
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org, Dasnavis Sabiya <sabiya.d@...com>
Subject: [PATCH 2/2] arch: arm64: dts: Add support for AM69 Starter Kit
From: Dasnavis Sabiya <sabiya.d@...com>
AM69 Starter Kit is a single board designed for TI AM69 SOC that
provides advanced system integration in automotive ADAS applications,
autonomous mobile robot and edge AI applications. The SOC comprises
of Cortex-A72s in dual clusters, lockstep capable dual Cortex-R5F MCUs,
Vision Processing Accelerators (VPAC) with Image Signal Processor (ISP)
and multiple vision assist accelerators, Depth and Motion Processing
Accelerators (DMPAC), Deep-learning Matrix Multiply Accelerator(MMA)
and C7x floating point vector DSP
AM69 SK supports the following interfaces:
* 32 GB LPDDR4 RAM
* x1 Gigabit Ethernet interface
* x3 USB 3.0 Type-A ports
* x1 USB 3.0 Type-C port
* x1 UHS-1 capable micro-SD card slot
* x4 MCAN instances
* 32 GB eMMC Flash
* 512 Mbit OSPI flash
* x2 Display connectors
* x1 PCIe M.2 M Key
* x1 PCIe M.2 E Key
* x1 4L PCIe Card Slot
* x3 CSI2 Camera interface
* 40-pin Raspberry Pi header
Add initial support for the AM69 SK board.
Design Files: https://www.ti.com/lit/zip/SPRR466
TRM: https://www.ti.com/lit/zip/spruj52
Signed-off-by: Dasnavis Sabiya <sabiya.d@...com>
---
arch/arm64/boot/dts/ti/Makefile | 1 +
arch/arm64/boot/dts/ti/k3-am69-sk.dts | 180 ++++++++++++++++++++++++++
2 files changed, 181 insertions(+)
create mode 100644 arch/arm64/boot/dts/ti/k3-am69-sk.dts
diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile
index e7c2c7dd0b25..04b1a7611096 100644
--- a/arch/arm64/boot/dts/ti/Makefile
+++ b/arch/arm64/boot/dts/ti/Makefile
@@ -20,6 +20,7 @@ dtb-$(CONFIG_ARCH_K3) += k3-j7200-common-proc-board.dtb
dtb-$(CONFIG_ARCH_K3) += k3-j721s2-common-proc-board.dtb
+dtb-$(CONFIG_ARCH_K3) += k3-am69-sk.dtb
dtb-$(CONFIG_ARCH_K3) += k3-j784s4-evm.dtb
dtb-$(CONFIG_ARCH_K3) += k3-am642-evm.dtb
diff --git a/arch/arm64/boot/dts/ti/k3-am69-sk.dts b/arch/arm64/boot/dts/ti/k3-am69-sk.dts
new file mode 100644
index 000000000000..bc49ba534790
--- /dev/null
+++ b/arch/arm64/boot/dts/ti/k3-am69-sk.dts
@@ -0,0 +1,180 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2022-2023 Texas Instruments Incorporated - https://www.ti.com/
+ *
+ * Design Files: https://www.ti.com/lit/zip/SPRR466
+ * TRM: https://www.ti.com/lit/zip/spruj52
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/net/ti-dp83867.h>
+#include <dt-bindings/gpio/gpio.h>
+#include "k3-j784s4.dtsi"
+
+/ {
+ compatible = "ti,am69-sk", "ti,j784s4";
+ model = "Texas Instruments AM69 SK";
+
+ chosen {
+ stdout-path = "serial2:115200n8";
+ };
+
+ aliases {
+ serial2 = &main_uart8;
+ mmc1 = &main_sdhci1;
+ i2c0 = &main_i2c0;
+ };
+
+ memory@...00000 {
+ device_type = "memory";
+ /* 32G RAM */
+ reg = <0x00 0x80000000 0x00 0x80000000>,
+ <0x08 0x80000000 0x07 0x80000000>;
+ };
+
+ reserved_memory: reserved-memory {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ secure_ddr: optee@...00000 {
+ reg = <0x00 0x9e800000 0x00 0x01800000>;
+ no-map;
+ };
+ };
+
+ vusb_main: regulator-vusb-main5v0 {
+ /* USB MAIN INPUT 5V DC */
+ compatible = "regulator-fixed";
+ regulator-name = "vusb-main5v0";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ vsys_5v0: regulator-vsys5v0 {
+ /* Output of LM61460 */
+ compatible = "regulator-fixed";
+ regulator-name = "vsys_5v0";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ vin-supply = <&vusb_main>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ vsys_3v3: regulator-vsys3v3 {
+ /* Output of LM5143 */
+ compatible = "regulator-fixed";
+ regulator-name = "vsys_3v3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ vin-supply = <&vusb_main>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ vdd_mmc1: regulator-sd {
+ /* Output of TPS22918 */
+ compatible = "regulator-fixed";
+ regulator-name = "vdd_mmc1";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ enable-active-high;
+ vin-supply = <&vsys_3v3>;
+ gpio = <&exp1 2 GPIO_ACTIVE_HIGH>;
+ };
+
+ vdd_sd_dv: regulator-tlv71033 {
+ /* Output of 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 49 GPIO_ACTIVE_HIGH>;
+ states = <1800000 0x0>,
+ <3300000 0x1>;
+ };
+};
+
+&main_pmx0 {
+ main_uart8_pins_default: main-uart8-pins-default {
+ pinctrl-single,pins = <
+ J784S4_IOPAD(0x0d0, PIN_INPUT, 11) /* (AP38) SPI0_CS1.UART8_RXD */
+ J784S4_IOPAD(0x0d4, PIN_OUTPUT, 11) /* (AN38) SPI0_CLK.UART8_TXD */
+ >;
+ };
+
+ main_i2c0_pins_default: main-i2c0-pins-default {
+ pinctrl-single,pins = <
+ J784S4_IOPAD(0x0e0, PIN_INPUT_PULLUP, 0) /* (AN36) I2C0_SCL */
+ J784S4_IOPAD(0x0e4, PIN_INPUT_PULLUP, 0) /* (AP37) I2C0_SDA */
+ >;
+ };
+
+ main_mmc1_pins_default: main-mmc1-pins-default {
+ pinctrl-single,pins = <
+ J784S4_IOPAD(0x104, PIN_INPUT, 0) /* (AB38) MMC1_CLK */
+ J784S4_IOPAD(0x108, PIN_INPUT, 0) /* (AB36) MMC1_CMD */
+ J784S4_IOPAD(0x100, PIN_INPUT, 0) /* (No Pin) MMC1_CLKLB */
+ J784S4_IOPAD(0x0fc, PIN_INPUT, 0) /* (AA33) MMC1_DAT0 */
+ J784S4_IOPAD(0x0f8, PIN_INPUT, 0) /* (AB34) MMC1_DAT1 */
+ J784S4_IOPAD(0x0f4, PIN_INPUT, 0) /* (AA32) MMC1_DAT2 */
+ J784S4_IOPAD(0x0f0, PIN_INPUT, 0) /* (AC38) MMC1_DAT3 */
+ J784S4_IOPAD(0x0e8, PIN_INPUT, 8) /* (AR38) TIMER_IO0.MMC1_SDCD */
+ >;
+ };
+
+ vdd_sd_dv_pins_default: vdd-sd-dv-pins-default {
+ pinctrl-single,pins = <
+ J784S4_IOPAD(0x0C4, PIN_INPUT, 7) /* (AD36) ECAP0_IN_APWM_OUT.GPIO0_49 */
+ >;
+ };
+};
+
+&main_uart8 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&main_uart8_pins_default>;
+};
+
+&main_i2c0 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&main_i2c0_pins_default>;
+ clock-frequency = <400000>;
+
+ exp1: gpio@21 {
+ compatible = "ti,tca6416";
+ reg = <0x21>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ gpio-line-names = "BOARDID_EEPROM_WP", "CAN_STB", "GPIO_uSD_PWR_EN",
+ "IO_EXP_MCU_RGMII_RST#", "IO_EXP_PCIe0_4L_PERST#",
+ "IO_EXP_PCIe1_M.2_RTSz", "IO_EXP_PCIe3_M.2_RTSz",
+ "PM_INA_BUS_EN", "ENET1_EXP_PWRDN", "EXP1_ENET_RSTz",
+ "ENET1_I2CMUX_SEL", "PCIe0_CLKREQ#", "PCIe1_M.2_CLKREQ#",
+ "PCIe3_M2_CLKREQ#", "PCIe0_PRSNT2#_1", "PCIe0_PRSNT2#_2";
+ };
+};
+
+&main_sdhci1 {
+ /* SD card */
+ status = "okay";
+ pinctrl-0 = <&main_mmc1_pins_default>;
+ pinctrl-names = "default";
+ disable-wp;
+ vmmc-supply = <&vdd_mmc1>;
+ vqmmc-supply = <&vdd_sd_dv>;
+};
+
+&main_gpio0 {
+ status = "okay";
+};
--
2.25.1
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