[PATCH 2/4] ARM: DT: apq8064: Add usb host support.

From: Srinivas Kandagatla
Date: Mon Sep 29 2014 - 05:15:15 EST


This patch adds device tree nodes to support two usb hosts on APQ8064
SOC.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
---
arch/arm/boot/dts/qcom-apq8064-ifc6410.dts | 16 ++++++
arch/arm/boot/dts/qcom-apq8064.dtsi | 85 ++++++++++++++++++++++++++++++
2 files changed, 101 insertions(+)

diff --git a/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts b/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts
index b396c83..d6036b8 100644
--- a/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts
+++ b/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts
@@ -40,6 +40,22 @@
};
};

+ usb3_phy:phy@12520000 {
+ status = "ok";
+ };
+
+ usb4_phy:phy@12530000 {
+ status = "ok";
+ };
+
+ usb3: usb@12520000 {
+ status = "ok";
+ };
+
+ usb4: usb@12530000 {
+ status = "ok";
+ };
+
amba {
/* eMMC */
sdcc1: sdcc@12400000 {
diff --git a/arch/arm/boot/dts/qcom-apq8064.dtsi b/arch/arm/boot/dts/qcom-apq8064.dtsi
index 9c2c8e6..491a136 100644
--- a/arch/arm/boot/dts/qcom-apq8064.dtsi
+++ b/arch/arm/boot/dts/qcom-apq8064.dtsi
@@ -263,6 +263,91 @@
#address-cells = <1>;
#size-cells = <0>;

+ pm8921_s3: pm8921-s3 {
+ compatible = "qcom,rpm-pm8921-smps";
+ reg = <QCOM_RPM_PM8921_SMPS3>;
+
+ regulator-min-microvolt = <1000000>;
+ regulator-max-microvolt = <1400000>;
+ qcom,boot-load = <49360>;
+ qcom,switch-mode-frequency = <3200000>;
+ regulator-always-on;
+ };
+
+ pm8921_l3: pm8921-l3 {
+ compatible = "qcom,rpm-pm8921-pldo";
+ reg = <QCOM_RPM_PM8921_LDO3>;
+
+ regulator-min-microvolt = <3050000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ qcom,boot-load = <50000>;
+ };
+
+ pm8921_l23: pm8921-l23 {
+ compatible = "qcom,rpm-pm8921-pldo";
+ reg = <QCOM_RPM_PM8921_LDO23>;
+
+ regulator-min-microvolt = <1000000>;
+ regulator-max-microvolt = <1800000>;
+ qcom,boot-load = <50000>;
+ regulator-always-on;
+ };
+
+ };
+
+ usb3_phy:phy@12520000 {
+ compatible = "qcom,usb-otg-ci";
+ reg = <0x12520000 0x400>;
+ interrupts = <0 188 0>;
+ status = "disabled";
+ dr_mode = "host";
+
+ clocks = <&gcc USB_HS3_XCVR_CLK>,
+ <&gcc USB_HS3_H_CLK>;
+ clock-names = "core", "iface";
+
+ vddcx-supply = <&pm8921_s3>;
+ v3p3-supply = <&pm8921_l3>;
+ v1p8-supply = <&pm8921_l23>;
+
+ resets = <&gcc USB_HS3_RESET>;
+ reset-names = "link";
+ };
+
+ usb4_phy:phy@12530000 {
+ compatible = "qcom,usb-otg-ci";
+ reg = <0x12530000 0x400>;
+ interrupts = <0 215 0>;
+ status = "disabled";
+ dr_mode = "host";
+
+ clocks = <&gcc USB_HS4_XCVR_CLK>,
+ <&gcc USB_HS4_H_CLK>;
+ clock-names = "core", "iface";
+
+ vddcx-supply = <&pm8921_s3>;
+ v3p3-supply = <&pm8921_l3>;
+ v1p8-supply = <&pm8921_l23>;
+
+ resets = <&gcc USB_HS4_RESET>;
+ reset-names = "link";
+ };
+
+ usb3: usb@12520000 {
+ compatible = "qcom,ehci-host";
+ reg = <0x12520000 0x400>;
+ interrupts = <0 188 0>;
+ status = "disabled";
+ usb-phy = <&usb3_phy>;
+ };
+
+ usb4: usb@12530000 {
+ compatible = "qcom,ehci-host";
+ reg = <0x12530000 0x400>;
+ interrupts = <0 215 0>;
+ status = "disabled";
+ usb-phy = <&usb4_phy>;
};

/* Temporary fixed regulator */
--
1.9.1

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