[PATCH 1/2] ARM64: dts: marvell: enable USB host on Armada-7040-DB
Miquel Raynal
miquel.raynal at free-electrons.com
Wed Aug 9 07:44:36 PDT 2017
From: Hanna Hawa <hannah at marvell.com>
Add I2C expander and USB host PHY (host 0 and host 1) to enable
USB VBUS on USB ports of type A on Armada-7040-DB.
Signed-off-by: Hanna Hawa <hannah at marvell.com>
Signed-off-by: Miquel Raynal <miquel.raynal at free-electrons.com>
---
arch/arm64/boot/dts/marvell/armada-7040-db.dts | 39 ++++++++++++++++++++++++++
1 file changed, 39 insertions(+)
diff --git a/arch/arm64/boot/dts/marvell/armada-7040-db.dts b/arch/arm64/boot/dts/marvell/armada-7040-db.dts
index 92c761c380d3..9c3bdf87e543 100644
--- a/arch/arm64/boot/dts/marvell/armada-7040-db.dts
+++ b/arch/arm64/boot/dts/marvell/armada-7040-db.dts
@@ -44,6 +44,7 @@
* Device Tree file for Marvell Armada 7040 Development board platform
*/
+#include <dt-bindings/gpio/gpio.h>
#include "armada-7040.dtsi"
/ {
@@ -59,6 +60,34 @@
device_type = "memory";
reg = <0x0 0x0 0x0 0x80000000>;
};
+
+ cpm_reg_usb3_0_vbus: cpm-usb3-0-vbus {
+ compatible = "regulator-fixed";
+ regulator-name = "usb3h0-vbus";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ enable-active-high;
+ gpio = <&expander0 0 GPIO_ACTIVE_HIGH>;
+ };
+
+ cpm_reg_usb3_1_vbus: cpm-usb3-1-vbus {
+ compatible = "regulator-fixed";
+ regulator-name = "usb3h1-vbus";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ enable-active-high;
+ gpio = <&expander0 1 GPIO_ACTIVE_HIGH>;
+ };
+
+ cpm_usb3_0_phy: cpm-usb3-0-phy {
+ compatible = "usb-nop-xceiv";
+ vcc-supply = <&cpm_reg_usb3_0_vbus>;
+ };
+
+ cpm_usb3_1_phy: cpm-usb3-1-phy {
+ compatible = "usb-nop-xceiv";
+ vcc-supply = <&cpm_reg_usb3_1_vbus>;
+ };
};
&i2c0 {
@@ -105,6 +134,14 @@
&cpm_i2c0 {
status = "okay";
clock-frequency = <100000>;
+
+ expander0: pca9555 at 21 {
+ compatible = "nxp,pca9555";
+ pinctrl-names = "default";
+ gpio-controller;
+ #gpio-cells = <2>;
+ reg = <0x21>;
+ };
};
&cpm_spi1 {
@@ -140,10 +177,12 @@
};
&cpm_usb3_0 {
+ usb-phy = <&cpm_usb3_0_phy>;
status = "okay";
};
&cpm_usb3_1 {
+ usb-phy = <&cpm_usb3_1_phy>;
status = "okay";
};
--
2.11.0
More information about the linux-arm-kernel
mailing list