diff options
| author | Dmitry Osipenko <digetx@gmail.com> | 2021-09-12 21:17:17 +0300 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2021-10-05 00:11:58 +0300 |
| commit | 98473f283b87dd5efbf46f40fb268e8d2005d8d7 (patch) | |
| tree | 2641bf2ed9a5fd817e3b1a5d4607fa2e67331c50 /arch/arm/boot/dts/tegra30-asus-nexus7-grouper-common.dtsi | |
| parent | b460ecc0b39595c5d6da4d92b498f75dc69e5c11 (diff) | |
| download | linux-98473f283b87dd5efbf46f40fb268e8d2005d8d7.tar.xz | |
ARM: tegra: nexus7: Enable USB OTG mode
Nexus 7 has OTG-cable microUSB port, enable OTG mode. USB peripheral
devices now can be connected to Nexus 7 using OTG adapter, switching
USB port into host mode.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'arch/arm/boot/dts/tegra30-asus-nexus7-grouper-common.dtsi')
| -rw-r--r-- | arch/arm/boot/dts/tegra30-asus-nexus7-grouper-common.dtsi | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/arch/arm/boot/dts/tegra30-asus-nexus7-grouper-common.dtsi b/arch/arm/boot/dts/tegra30-asus-nexus7-grouper-common.dtsi index 4a5840dfc29c..07d4ea130964 100644 --- a/arch/arm/boot/dts/tegra30-asus-nexus7-grouper-common.dtsi +++ b/arch/arm/boot/dts/tegra30-asus-nexus7-grouper-common.dtsi @@ -944,9 +944,29 @@ interrupts = <TEGRA_GPIO(V, 1) IRQ_TYPE_EDGE_BOTH>; summit,enable-charge-control = <SMB3XX_CHG_ENABLE_PIN_ACTIVE_LOW>; + summit,inok-polarity = <SMB3XX_SYSOK_INOK_ACTIVE_LOW>; summit,enable-usb-charging; monitored-battery = <&battery_cell>; + + usb_vbus: usb-vbus { + regulator-name = "usb_vbus"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + regulator-min-microamp = <750000>; + regulator-max-microamp = <750000>; + + /* + * SMB347 INOK input pin is connected to PMIC's + * ACOK output, which is fixed to ACTIVE_LOW as + * long as battery voltage is in a good range. + * + * Active INOK disables SMB347 output, so polarity + * needs to be toggled when we want to get the + * output. + */ + summit,needs-inok-toggle; + }; }; }; @@ -1019,12 +1039,13 @@ usb@7d000000 { compatible = "nvidia,tegra30-udc"; status = "okay"; - dr_mode = "peripheral"; + dr_mode = "otg"; + vbus-supply = <&usb_vbus>; }; usb-phy@7d000000 { status = "okay"; - dr_mode = "peripheral"; + dr_mode = "otg"; nvidia,hssync-start-delay = <0>; nvidia,xcvr-lsfslew = <2>; nvidia,xcvr-lsrslew = <2>; |