Adding extcon dt nodes for USB ID detection.
ID pin is routed via the gpio expander , so adding pcf8575 nodes.
Changing otg mode to peripheral mode for usb1
Signed-off-by: George Cherian <george.cherian@xxxxxx>
---
arch/arm/boot/dts/dra7-evm.dts | 42 +++++++++++++++++++++++++++++++++++++++++-
1 file changed, 41 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/dra7-evm.dts b/arch/arm/boot/dts/dra7-evm.dts
index acd3c09..fc9a506 100644
--- a/arch/arm/boot/dts/dra7-evm.dts
+++ b/arch/arm/boot/dts/dra7-evm.dts
@@ -17,6 +17,23 @@
device_type = "memory";
reg = <0x80000000 0x60000000>; /* 1536 MB */
};
+
+ extcon1: dra7x_extcon1 {
+ compatible = "ti,dra7xx-usb";
+ gpios = <&pcf_usb 1 0>,
+ <&gpio6 11 2>;
+ interrupt-parent = <&gpio6>;
+ interrupts = <11>;
+ };
+
+ extcon2: dra7x_extcon2 {
+ compatible = "ti,dra7xx-usb";
+ gpios = <&pcf_usb 2 0>,
+ <&gpio6 11 2>;
+ interrupt-parent = <&gpio6>;
+ interrupts = <11>;
+ };
+
};
&dra7_pmx_core {
@@ -33,10 +50,33 @@
};
};
+&i2c1 {
+ clock-frequency = <400000>;
+
+ pcf_lcd: pcf8575@20 {
+ compatible = "ti,pcf8575";
+ reg = <0x20>;
+ n_latch = <0xbc50>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+
+ pcf_usb: pcf8575@21 {
+ compatible = "ti,pcf8575";
+ reg = <0x21>;
+ n_latch = <0xffff>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+
+};
+
&dwc3_1 {
- dr_mode = "otg";
+ dr_mode = "peripheral";
+ extcon = <&extcon1>;
};
&dwc3_2 {
dr_mode = "host";
+ extcon = <&extcon2>;
};
--
1.8.1.4
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