lkml.org 
[lkml]   [2016]   [Mar]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[RFC PATCH 4/4] ARM: dts: vf-colibri: USB device/host switch using extcon gpio
Date
Use USBC_DET feature of standard Colibri SODIMM pin 137 for USB
device/host switching using the generic extcon USB gpio implementation.

Signed-off-by: Sanchayan Maity <maitysanchayan@gmail.com>
---
arch/arm/boot/dts/vf-colibri-eval-v3.dtsi | 12 ++++++++++++
arch/arm/boot/dts/vf-colibri.dtsi | 7 +++++++
2 files changed, 19 insertions(+)

diff --git a/arch/arm/boot/dts/vf-colibri-eval-v3.dtsi b/arch/arm/boot/dts/vf-colibri-eval-v3.dtsi
index 4d8b7f6..794c02e 100644
--- a/arch/arm/boot/dts/vf-colibri-eval-v3.dtsi
+++ b/arch/arm/boot/dts/vf-colibri-eval-v3.dtsi
@@ -50,6 +50,14 @@
clock-frequency = <16000000>;
};

+ extcon_usbc_det: usbc_det {
+ compatible = "linux,extcon-usb-gpio";
+ debounce = <25>;
+ id-gpio = <&gpio3 6 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_usbc_det>;
+ };
+
reg_3v3: regulator-3v3 {
compatible = "regulator-fixed";
regulator-name = "3.3V";
@@ -146,6 +154,10 @@
status = "okay";
};

+&usbdev0 {
+ extcon = <&extcon_usbc_det>, <&extcon_usbc_det>;
+};
+
&usbh1 {
vbus-supply = <&reg_usbh_vbus>;
};
diff --git a/arch/arm/boot/dts/vf-colibri.dtsi b/arch/arm/boot/dts/vf-colibri.dtsi
index fda7f28..551b6a1 100644
--- a/arch/arm/boot/dts/vf-colibri.dtsi
+++ b/arch/arm/boot/dts/vf-colibri.dtsi
@@ -171,6 +171,7 @@

&usbdev0 {
disable-over-current;
+ dr_mode = "otg";
status = "okay";
};

@@ -326,6 +327,12 @@
>;
};

+ pinctrl_usbc_det: gpio_usbc_det {
+ fsl,pins = <
+ VF610_PAD_PTC29__GPIO_102 0x22ed
+ >;
+ };
+
pinctrl_usbh1_reg: gpio_usb_vbus {
fsl,pins = <
VF610_PAD_PTD4__GPIO_83 0x22ed
--
2.7.3
\
 
 \ /
  Last update: 2016-03-15 10:21    [W:0.068 / U:1.040 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site