[PATCH 6/6] arm64: dts: mediatek: add xHCI & usb phy for mt8173
chunfeng.yun at mediatek.com
chunfeng.yun at mediatek.com
Wed May 27 04:48:03 PDT 2015
From: Chunfeng Yun <chunfeng.yun at mediatek.com>
Signed-off-by: Chunfeng Yun <chunfeng.yun at mediatek.com>
---
arch/arm64/boot/dts/mediatek/mt8173-evb.dts | 14 ++++++++++++++
arch/arm64/boot/dts/mediatek/mt8173.dtsi | 24 ++++++++++++++++++++++++
2 files changed, 38 insertions(+)
diff --git a/arch/arm64/boot/dts/mediatek/mt8173-evb.dts b/arch/arm64/boot/dts/mediatek/mt8173-evb.dts
index b1560c9..3adcdbf 100644
--- a/arch/arm64/boot/dts/mediatek/mt8173-evb.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8173-evb.dts
@@ -13,6 +13,7 @@
*/
/dts-v1/;
+#include <dt-bindings/gpio/gpio.h>
#include "mt8173.dtsi"
/ {
@@ -31,6 +32,15 @@
};
chosen { };
+
+ usb_p1_vbus: fixedregulator at 0 {
+ compatible = "regulator-fixed";
+ regulator-name = "usb_vbus";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ gpio = <&pio 130 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ };
};
&pwrap {
@@ -257,6 +267,10 @@
};
};
+&u3phy {
+ reg-p1-vbus-supply = <&usb_p1_vbus>;
+};
+
&uart0 {
status = "okay";
};
diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
index 512e4eb..cd36bf3 100644
--- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
@@ -259,6 +259,30 @@
status = "disabled";
};
+ usb: usb30 at 11270000 {
+ compatible = "mediatek,mt8173-xhci", "generic-xhci";
+ reg = <0 0x11270000 0 0x1000>;
+ interrupts = <GIC_SPI 115 IRQ_TYPE_LEVEL_LOW>;
+ usb-phy = <&u3phy>;
+ usb3-lpm-capable;
+ };
+
+ u3phy: usb-phy at 11271000 {
+ compatible = "mediatek,mt8173-u3phy";
+ reg = <0 0x11271000 0 0x3000>,
+ <0 0x11280000 0 0x20000>;
+ power-domains = <&scpsys MT8173_POWER_DOMAIN_USB>;
+ reg-vusb33-supply = <&mt6397_vusb_reg>;
+ clocks = <&pericfg CLK_PERI_USB0>,
+ <&pericfg CLK_PERI_USB1>,
+ <&topckgen CLK_TOP_USB30_SEL>,
+ <&apmixedsys CLK_APMIXED_REF2USB_TX>;
+ clock-names = "wakeup_deb_p0",
+ "wakeup_deb_p1",
+ "sys_mac",
+ "u3phya_ref";
+ };
+
mmsys: mmsys at 14000000 {
compatible = "mediatek,mt8173-mmsys", "syscon";
reg = <0 0x14000000 0 0x1000>;
--
1.8.1.1.dirty
More information about the linux-arm-kernel
mailing list