Add the device tree bindings for USB OTG support. Driver was tested
using on a LG Nexus 5 (hammerhead) phone. This patch is based on work
from Jonathan Marek and from the other msm8974 devices.
Signed-off-by: Brian Masney <masneyb@xxxxxxxxxxxxx>
---
.../qcom-msm8974-lge-nexus5-hammerhead.dts | 60 +++++++++++++++++++
arch/arm/boot/dts/qcom-msm8974.dtsi | 11 ++++
2 files changed, 71 insertions(+)
diff --git a/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts b/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts
index ed8f064d0895..f67ab43956dc 100644
--- a/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts
+++ b/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts
@@ -242,6 +242,16 @@
};
};
+ i2c1_pins: i2c1 {
+ mux {
+ pins = "gpio2", "gpio3";
+ function = "blsp_i2c1";
+
+ drive-strength = <2>;
+ bias-disable;
+ };
+ };
+
i2c3_pins: i2c3 {
mux {
pins = "gpio10", "gpio11";
@@ -343,6 +353,24 @@
};
};
+ i2c@f9923000 {
+ status = "ok";
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c1_pins>;
+ clock-frequency = <100000>;
+ qcom,src-freq = <50000000>;
+
+ charger: bq24192@6b {
+ compatible = "ti,bq24192";
+ reg = <0x6b>;
+ interrupts-extended = <&spmi_bus 0 0xd5 0 IRQ_TYPE_EDGE_FALLING>;
+
+ omit-battery-class;
+
+ usb_otg_vbus: usb-otg-vbus { };
+ };
+ };
+
i2c@f9925000 {
status = "ok";
pinctrl-names = "default";
@@ -360,6 +388,31 @@
amstaos,proximity-diodes = <0>;
};
};
+
+ usb@f9a55000 {
+ status = "ok";
+
+ phys = <&usb_hs1_phy>;
+ phy-select = <&tcsr 0xb000 0>;
+
+ extcon = <&charger>, <&usb_id>;
+ vbus-supply = <&usb_otg_vbus>;
+
+ hnp-disable;
+ srp-disable;
+ adp-disable;
+
+ ulpi {
+ phy@a {
+ status = "ok";
+
+ v1p8-supply = <&pm8941_l6>;
+ v3p3-supply = <&pm8941_l24>;
+
+ qcom,init-seq = /bits/ 8 <0x1 0x64>;
+ };
+ };
+ };
};
&spmi_bus {
@@ -372,6 +425,13 @@
bias-pull-up;
power-source = <PM8941_GPIO_S3>;
};
+
+ otg {
+ gpio-hog;
+ gpios = <35 GPIO_ACTIVE_HIGH>;
+ output-high;
+ line-name = "otg-gpio";
+ };
};
};
};
diff --git a/arch/arm/boot/dts/qcom-msm8974.dtsi b/arch/arm/boot/dts/qcom-msm8974.dtsi
index aba159d5a95a..8294192db9eb 100644
--- a/arch/arm/boot/dts/qcom-msm8974.dtsi
+++ b/arch/arm/boot/dts/qcom-msm8974.dtsi
@@ -704,6 +704,17 @@
interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
};
+ i2c@f9923000 {
+ status = "disabled";
+ compatible = "qcom,i2c-qup-v2.1.1";
+ reg = <0xf9923000 0x1000>;
+ interrupts = <0 95 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&gcc GCC_BLSP1_QUP1_I2C_APPS_CLK>, <&gcc GCC_BLSP1_AHB_CLK>;
+ clock-names = "core", "iface";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
i2c@f9924000 {
status = "disabled";
compatible = "qcom,i2c-qup-v2.1.1";
--
2.17.2
