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authorMarcel Ziswiler <marcel.ziswiler@toradex.com>2015-09-24 11:21:18 +0200
committerMarcel Ziswiler <marcel.ziswiler@toradex.com>2015-09-24 11:21:18 +0200
commitebe1dd6b941633ac514328a718ac8bc3cb1b1fe6 (patch)
tree8c35b2ec423572261701e1f46013f0a2994e7a93
parente11011a0578101b2f0f9a066d13beeb2c2da5fcc (diff)
ARM: dts: imx6dl-colibri: usb device/host switch using extcon gpio
Use USBC_DET feature of Standard Colibri SODIMM pin 137 for USB device/host switching using the generic extcon USB GPIO implementation.
-rw-r--r--arch/arm/boot/dts/imx6dl-colibri-eval-v3.dts12
-rw-r--r--arch/arm/boot/dts/imx6qdl-colibri.dtsi7
2 files changed, 15 insertions, 4 deletions
diff --git a/arch/arm/boot/dts/imx6dl-colibri-eval-v3.dts b/arch/arm/boot/dts/imx6dl-colibri-eval-v3.dts
index 8ef1d67ccca9..9d4dd5180482 100644
--- a/arch/arm/boot/dts/imx6dl-colibri-eval-v3.dts
+++ b/arch/arm/boot/dts/imx6dl-colibri-eval-v3.dts
@@ -41,6 +41,14 @@
mmc1 = &usdhc1; /* MMC 4bit slot */
};
+ extcon_usbc_det: usbc_det {
+ compatible = "linux,extcon-usb-gpio";
+ debounce = <25>;
+ id-gpio = <&gpio7 12 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_usbc_det_1>;
+ };
+
gpio-keys {
compatible = "gpio-keys";
pinctrl-names = "default";
@@ -166,8 +174,7 @@
&pinctrl_weim_gpio_5
&pinctrl_csi_gpio_1
&pinctrl_gpio_1
- &pinctrl_usbh_oc_1 &pinctrl_usbc_id_1
- &pinctrl_usbc_det_1>;
+ &pinctrl_usbh_oc_1 &pinctrl_usbc_id_1>;
};
&lcd {
@@ -223,6 +230,7 @@
&usbotg {
status = "okay";
+ extcon = <&extcon_usbc_det>;
};
/* MMC */
diff --git a/arch/arm/boot/dts/imx6qdl-colibri.dtsi b/arch/arm/boot/dts/imx6qdl-colibri.dtsi
index 03806e896c5f..2a44aa6fb4bf 100644
--- a/arch/arm/boot/dts/imx6qdl-colibri.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-colibri.dtsi
@@ -573,6 +573,10 @@
fsl,pins = <
/* USBC_DET */
MX6QDL_PAD_GPIO_17__GPIO7_IO12 PAD_CTRL_HYS_PU
+ /* USBC_DET_EN */
+ MX6QDL_PAD_RGMII_TX_CTL__GPIO6_IO26 PAD_CTRL_PU_22k
+ /* USBC_DET_OVERWRITE */
+ MX6QDL_PAD_RGMII_RXC__GPIO6_IO30 PAD_CTRL_PU_22k
>;
};
pinctrl_usdhc3: usdhc3grp {
@@ -946,8 +950,7 @@
pinctrl-names = "default";
// pinctrl-0 = <&pinctrl_usbotg_2>;
disable-over-current;
-// dr_mode = "host"; //working when connected at boot
- dr_mode = "otg"; //working as peripheral
+ dr_mode = "otg";
status = "disabled";
};