Add device tree files for the Tegra194 P2972-0000 development board.
The board consists of the P2888 compute module and the P2822 baseboard.

Signed-off-by: Mikko Perttunen <mperttu...@nvidia.com>
---
 arch/arm64/boot/dts/nvidia/Makefile                |   1 +
 arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi     | 248 +++++++++++++++++++++
 arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts |  16 ++
 3 files changed, 265 insertions(+)
 create mode 100644 arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
 create mode 100644 arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts

diff --git a/arch/arm64/boot/dts/nvidia/Makefile 
b/arch/arm64/boot/dts/nvidia/Makefile
index 676aa2f238d1..7c13d7df484e 100644
--- a/arch/arm64/boot/dts/nvidia/Makefile
+++ b/arch/arm64/boot/dts/nvidia/Makefile
@@ -5,3 +5,4 @@ dtb-$(CONFIG_ARCH_TEGRA_210_SOC) += tegra210-p2371-2180.dtb
 dtb-$(CONFIG_ARCH_TEGRA_210_SOC) += tegra210-p2571.dtb
 dtb-$(CONFIG_ARCH_TEGRA_210_SOC) += tegra210-smaug.dtb
 dtb-$(CONFIG_ARCH_TEGRA_186_SOC) += tegra186-p2771-0000.dtb
+dtb-$(CONFIG_ARCH_TEGRA_194_SOC) += tegra194-p2972-0000.dtb
diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi 
b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
new file mode 100644
index 000000000000..ecb034177fc2
--- /dev/null
+++ b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
@@ -0,0 +1,248 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "tegra194.dtsi"
+
+#include <dt-bindings/mfd/max77620.h>
+
+/ {
+       model = "NVIDIA Tegra194 P2888 Processor Module";
+       compatible = "nvidia,p2888", "nvidia,tegra194";
+
+       aliases {
+               sdhci0 = "/cbb/sdhci@3460000";
+               sdhci1 = "/cbb/sdhci@3400000";
+               serial0 = &uartb;
+               i2c0 = "/bpmp/i2c";
+               i2c1 = "/cbb/i2c@3160000";
+               i2c2 = "/cbb/i2c@c240000";
+               i2c3 = "/cbb/i2c@3180000";
+               i2c4 = "/cbb/i2c@3190000";
+               i2c5 = "/cbb/i2c@31c0000";
+               i2c6 = "/cbb/i2c@c250000";
+               i2c7 = "/cbb/i2c@31e0000";
+       };
+
+       chosen {
+               bootargs = "console=ttyS0,115200n8";
+               stdout-path = "serial0:115200n8";
+       };
+
+       cbb {
+               serial@3110000 {
+                       status = "okay";
+               };
+
+               /* SDMMC1 (SD/MMC) */
+               sdhci@3400000 {
+/*
+                       cd-gpios = <&gpio TEGRA194_MAIN_GPIO(A, 0) 
GPIO_ACTIVE_LOW>;
+*/
+               };
+
+               /* SDMMC4 (eMMC) */
+               sdhci@3460000 {
+                       status = "okay";
+                       bus-width = <8>;
+                       non-removable;
+
+                       vqmmc-supply = <&vdd_1v8ls>;
+                       vmmc-supply = <&vdd_emmc_3v3>;
+               };
+
+               pmc@c360000 {
+                       nvidia,invert-interrupt;
+               };
+       };
+
+       bpmp {
+               i2c {
+                       status = "okay";
+
+                       pmic: pmic@3c {
+                               compatible = "maxim,max20024";
+                               reg = <0x3c>;
+
+                               interrupts = <GIC_SPI 209 IRQ_TYPE_LEVEL_HIGH>;
+                               #interrupt-cells = <2>;
+                               interrupt-controller;
+
+                               #gpio-cells = <2>;
+                               gpio-controller;
+
+                               pinctrl-names = "default";
+                               pinctrl-0 = <&max20024_default>;
+
+                               max20024_default: pinmux {
+                                       gpio0 {
+                                               pins = "gpio0";
+                                               function = "gpio";
+                                       };
+
+                                       gpio1 {
+                                               pins = "gpio1";
+                                               function = "fps-out";
+                                               maxim,active-fps-source = 
<MAX77620_FPS_SRC_DEF>;
+                                       };
+
+                                       gpio2 {
+                                               pins = "gpio2";
+                                               function = "fps-out";
+                                               maxim,active-fps-source = 
<MAX77620_FPS_SRC_DEF>;
+                                       };
+
+                                       gpio3 {
+                                               pins = "gpio3";
+                                               function = "fps-out";
+                                               maxim,active-fps-source = 
<MAX77620_FPS_SRC_DEF>;
+                                       };
+
+                                       gpio4 {
+                                               pins = "gpio4";
+                                               function = "32k-out1";
+                                               drive-push-pull = <1>;
+                                       };
+
+                                       gpio6 {
+                                               pins = "gpio6";
+                                               function = "gpio";
+                                               drive-push-pull = <1>;
+                                       };
+
+                                       gpio7 {
+                                               pins = "gpio7";
+                                               function = "gpio";
+                                               drive-push-pull = <0>;
+                                       };
+                               };
+
+                               fps {
+                                       fps0 {
+                                               maxim,fps-event-source = 
<MAX77620_FPS_EVENT_SRC_EN0>;
+                                               
maxim,shutdown-fps-time-period-us = <640>;
+                                       };
+
+                                       fps1 {
+                                               maxim,fps-event-source = 
<MAX77620_FPS_EVENT_SRC_EN1>;
+                                               
maxim,shutdown-fps-time-period-us = <640>;
+                                               
maxim,device-state-on-disabled-event = <MAX77620_FPS_INACTIVE_STATE_SLEEP>;
+                                       };
+
+                                       fps2 {
+                                               maxim,fps-event-source = 
<MAX77620_FPS_EVENT_SRC_EN0>;
+                                               
maxim,shutdown-fps-time-period-us = <640>;
+                                       };
+                               };
+
+                               regulators {
+                                       in-sd0-supply = <&vdd_5v0_sys>;
+                                       in-sd1-supply = <&vdd_5v0_sys>;
+                                       in-sd2-supply = <&vdd_5v0_sys>;
+                                       in-sd3-supply = <&vdd_5v0_sys>;
+                                       in-sd4-supply = <&vdd_5v0_sys>;
+
+                                       in-ldo0-1-supply = <&vdd_5v0_sys>;
+                                       in-ldo2-supply = <&vdd_5v0_sys>;
+                                       in-ldo3-5-supply = <&vdd_5v0_sys>;
+                                       in-ldo4-6-supply = <&vdd_5v0_sys>;
+                                       in-ldo7-8-supply = <&vdd_1v8ls>;
+
+                                       sd0 {
+                                               regulator-name = "VDD_1V0";
+                                               regulator-min-microvolt = 
<1000000>;
+                                               regulator-max-microvolt = 
<1000000>;
+                                               regulator-always-on;
+                                               regulator-boot-on;
+                                       };
+
+                                       sd1 {
+                                               regulator-name = "VDD_1V8HS";
+                                               regulator-min-microvolt = 
<1800000>;
+                                               regulator-max-microvolt = 
<1800000>;
+                                               regulator-always-on;
+                                               regulator-boot-on;
+                                       };
+
+                                       vdd_1v8ls: sd2 {
+                                               regulator-name = "VDD_1V8LS";
+                                               regulator-min-microvolt = 
<1800000>;
+                                               regulator-max-microvolt = 
<1800000>;
+                                               regulator-always-on;
+                                               regulator-boot-on;
+                                       };
+
+                                       sd3 {
+                                               regulator-name = "VDD_1V8AO";
+                                               regulator-min-microvolt = 
<1800000>;
+                                               regulator-max-microvolt = 
<1800000>;
+                                               regulator-always-on;
+                                               regulator-boot-on;
+                                       };
+
+                                       sd4 {
+                                               regulator-name = "VDD_DDR_1V1";
+                                               regulator-min-microvolt = 
<1100000>;
+                                               regulator-max-microvolt = 
<1100000>;
+                                               regulator-always-on;
+                                               regulator-boot-on;
+                                       };
+
+                                       ldo0 {
+                                               regulator-name = "VDD_RTC";
+                                               regulator-min-microvolt = 
<800000>;
+                                               regulator-max-microvolt = 
<800000>;
+                                               regulator-always-on;
+                                               regulator-boot-on;
+                                       };
+
+                                       ldo2 {
+                                               regulator-name = "VDD_AO_3V3";
+                                               regulator-min-microvolt = 
<3300000>;
+                                               regulator-max-microvolt = 
<3300000>;
+                                               regulator-always-on;
+                                               regulator-boot-on;
+                                       };
+
+                                       vdd_emmc_3v3: ldo3 {
+                                               regulator-name = "VDD_EMMC_3V3";
+                                               regulator-min-microvolt = 
<3300000>;
+                                               regulator-max-microvolt = 
<3300000>;
+                                       };
+
+                                       ldo5 {
+                                               regulator-name = "VDD_USB_3V3";
+                                               regulator-min-microvolt = 
<3300000>;
+                                               regulator-max-microvolt = 
<3300000>;
+                                       };
+
+                                       ldo6 {
+                                               regulator-name = "VDD_SDIO_3V3";
+                                               regulator-min-microvolt = 
<3300000>;
+                                               regulator-max-microvolt = 
<3300000>;
+                                       };
+
+                                       ldo7 {
+                                               regulator-name = "VDD_CSI_1V2";
+                                               regulator-min-microvolt = 
<1200000>;
+                                               regulator-max-microvolt = 
<1200000>;
+                                       };
+                               };
+                       };
+               };
+       };
+
+       regulators {
+               compatible = "simple-bus";
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               vdd_5v0_sys: regulator@0 {
+                       compatible = "regulator-fixed";
+                       reg = <0>;
+
+                       regulator-name = "VIN_SYS_5V0";
+                       regulator-min-microvolt = <5000000>;
+                       regulator-max-microvolt = <5000000>;
+                       regulator-always-on;
+                       regulator-boot-on;
+               };
+       };
+};
diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts 
b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
new file mode 100644
index 000000000000..9ff3c18280c4
--- /dev/null
+++ b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
@@ -0,0 +1,16 @@
+// SPDX-License-Identifier: GPL-2.0
+/dts-v1/;
+
+#include "tegra194-p2888.dtsi"
+
+/ {
+       model = "NVIDIA Tegra194 P2972-0000 Development Board";
+       compatible = "nvidia,p2972-0000", "nvidia,tegra194";
+
+       cbb {
+               /* SDMMC1 (SD/MMC) */
+               sdhci@3400000 {
+                       status = "okay";
+               };
+       };
+};
-- 
2.1.4

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