From: Dmitry Osipenko <digetx@gmail.com>
To: Thierry Reding <treding@nvidia.com>,
Jonathan Hunter <jonathanh@nvidia.com>,
Peter Chen <peter.chen@kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Felipe Balbi <balbi@kernel.org>, David Heidelberg <david@ixit.cz>
Cc: devicetree@vger.kernel.org, linux-usb@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-tegra@vger.kernel.org
Subject: [PATCH v7 6/7] ARM: tegra: nexus7: Enable USB OTG mode
Date: Sun, 12 Sep 2021 21:17:17 +0300 [thread overview]
Message-ID: <20210912181718.1328-7-digetx@gmail.com> (raw)
In-Reply-To: <20210912181718.1328-1-digetx@gmail.com>
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>
---
.../tegra30-asus-nexus7-grouper-common.dtsi | 25 +++++++++++++++++--
1 file 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 4f116c26f6ce..798ac22a50d2 100644
--- a/arch/arm/boot/dts/tegra30-asus-nexus7-grouper-common.dtsi
+++ b/arch/arm/boot/dts/tegra30-asus-nexus7-grouper-common.dtsi
@@ -941,9 +941,29 @@ power_supply: charger@6a {
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;
+ };
};
};
@@ -1017,12 +1037,13 @@ sdmmc4: mmc@78000600 {
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>;
--
2.32.0
next prev parent reply other threads:[~2021-09-12 18:19 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-12 18:17 [PATCH v7 0/7] Add OTG mode support to Tegra USB PHY and Nexus 7 Dmitry Osipenko
2021-09-12 18:17 ` [PATCH v7 1/7] dt-bindings: phy: tegra20-usb-phy: Convert to schema Dmitry Osipenko
2021-10-04 21:07 ` Thierry Reding
2021-10-05 10:47 ` Greg Kroah-Hartman
2021-09-12 18:17 ` [PATCH v7 2/7] dt-bindings: phy: tegra20-usb-phy: Document properties needed for OTG mode Dmitry Osipenko
2021-10-04 21:08 ` Thierry Reding
2021-09-12 18:17 ` [PATCH v7 3/7] soc/tegra: pmc: Expose USB regmap to all SoCs Dmitry Osipenko
2021-09-12 18:17 ` [PATCH v7 4/7] usb: phy: tegra: Support OTG mode programming Dmitry Osipenko
2021-09-27 16:36 ` Dmitry Osipenko
2021-10-04 21:05 ` Thierry Reding
2021-10-04 21:13 ` Dmitry Osipenko
2021-10-04 21:22 ` Thierry Reding
2021-10-04 21:24 ` Dmitry Osipenko
2021-09-12 18:17 ` [PATCH v7 5/7] ARM: tegra: Add new properties to USB PHY device-tree nodes Dmitry Osipenko
2021-09-12 18:17 ` Dmitry Osipenko [this message]
2021-09-12 18:17 ` [PATCH v7 7/7] arm64: tegra132: Add new properties to USB PHY device-tree node Dmitry Osipenko
2021-10-04 21:13 ` [PATCH v7 0/7] Add OTG mode support to Tegra USB PHY and Nexus 7 Thierry Reding
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