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ARM: tegra: acer-a500: Remove bogus USB VBUS regulators

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[ Upstream commit 70e740ad55 ]

The configuration of USB VBUS regulators was borrowed from downstream
kernel, which is incorrect because the corresponding GPIOs are connected
to PROX_EN (A501 3G model) and LED_EN pins in accordance to the board
schematics. USB works fine with both GPIOs being disabled, so remove the
bogus USB VBUS regulators. The USB VBUS of USB3 is supplied from the fixed
5v system regulator and device-mode USB1 doesn't have VBUS switches.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Dmitry Osipenko
2021-08-03 00:19:43 +03:00
committed by Greg Kroah-Hartman
parent df5d18f75f
commit f660a75009
1 changed files with 1 additions and 24 deletions
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25
arch/arm/boot/dts/tegra20-acer-a500-picasso.dts
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@@ -719,7 +719,6 @@
nvidia,xcvr-setup-use-fuses;
nvidia,xcvr-lsfslew = <2>;
nvidia,xcvr-lsrslew = <2>;
vbus-supply = <&vdd_vbus1>;
};
usb@c5008000 {
@@ -731,7 +730,7 @@
nvidia,xcvr-setup-use-fuses;
nvidia,xcvr-lsfslew = <2>;
nvidia,xcvr-lsrslew = <2>;
vbus-supply = <&vdd_vbus3>;
vbus-supply = <&vdd_5v0_sys>;
};
brcm_wifi_pwrseq: wifi-pwrseq {
@@ -991,28 +990,6 @@
vin-supply = <&vdd_5v0_sys>;
};
vdd_vbus1: regulator@4 {
compatible = "regulator-fixed";
regulator-name = "vdd_usb1_vbus";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
regulator-always-on;
gpio = <&gpio TEGRA_GPIO(D, 0) GPIO_ACTIVE_HIGH>;
enable-active-high;
vin-supply = <&vdd_5v0_sys>;
};
vdd_vbus3: regulator@5 {
compatible = "regulator-fixed";
regulator-name = "vdd_usb3_vbus";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
regulator-always-on;
gpio = <&gpio TEGRA_GPIO(D, 3) GPIO_ACTIVE_HIGH>;
enable-active-high;
vin-supply = <&vdd_5v0_sys>;
};
sound {
compatible = "nvidia,tegra-audio-wm8903-picasso",
"nvidia,tegra-audio-wm8903";