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arm64: tegra: Add support for Jetson Xavier NX with eMMC 

Add support for the variant of the Jetson Xavier NX Developer Kit that
has a system-on-module which includes an eMMC.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Jon Hunter 2021-01-28 12:08:51 +00:00 committed by Thierry Reding
parent 1cab0a51f6
commit f160130204
4 changed files with 31 additions and 1 deletions
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1
arch/arm64/boot/dts/nvidia/Makefile
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@ -9,4 +9,5 @@ dtb-$(CONFIG_ARCH_TEGRA_210_SOC) += tegra210-p2894-0050-a08.dtb
dtb-$(CONFIG_ARCH_TEGRA_186_SOC) += tegra186-p2771-0000.dtb
dtb-$(CONFIG_ARCH_TEGRA_194_SOC) += tegra194-p2972-0000.dtb
dtb-$(CONFIG_ARCH_TEGRA_194_SOC) += tegra194-p3509-0000+p3668-0000.dtb
dtb-$(CONFIG_ARCH_TEGRA_194_SOC) += tegra194-p3509-0000+p3668-0001.dtb
dtb-$(CONFIG_ARCH_TEGRA_234_SOC) += tegra234-sim-vdk.dtb

10
arch/arm64/boot/dts/nvidia/tegra194-p3509-0000+p3668-0001.dts Normal file
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@ -0,0 +1,10 @@
// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "tegra194-p3668-0001.dtsi"
#include "tegra194-p3509-0000.dtsi"
/ {
model = "NVIDIA Jetson Xavier NX Developer Kit (eMMC)";
compatible = "nvidia,p3509-0000+p3668-0001", "nvidia,tegra194";
};

19
arch/arm64/boot/dts/nvidia/tegra194-p3668-0001.dtsi Normal file
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@ -0,0 +1,19 @@
// SPDX-License-Identifier: GPL-2.0
#include "tegra194-p3668.dtsi"
/ {
model = "NVIDIA Jetson Xavier NX (eMMC)";
compatible = "nvidia,p3668-0001", "nvidia,tegra194";
bus@0 {
/* SDMMC4 (eMMC) */
mmc@3460000 {
status = "okay";
bus-width = <8>;
non-removable;
vqmmc-supply = <&vdd_1v8ls>;
vmmc-supply = <&vdd_emmc_3v3>;
};
};
};

2
arch/arm64/boot/dts/nvidia/tegra194-p3668.dtsi
View File

@ -252,7 +252,7 @@ ldo2 {
regulator-boot-on;
};
ldo3 {
vdd_emmc_3v3: ldo3 {
regulator-name = "VDD_EMMC_3V3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;