ARM: dts: uniphier: add has-transaction-translator property to usb node for LD4,...

When a full/low speed device is connected to USB 2.0 port on UniPhier SoC
that has ehci controller, the kernel shows the following messages.

| usb usb1-port1: Cannot enable. Maybe the USB cable is bad?
| usb usb1-port1: Cannot enable. Maybe the USB cable is bad?
| usb usb1-port1: Cannot enable. Maybe the USB cable is bad?
| usb usb1-port1: unable to enumerate USB device

To fix the issue, the driver needs to enable Transaction Translator on ehci
root hub. This adds 'has-transaction-translator' property to each node.

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

diff --git a/arch/arm/boot/dts/uniphier-ld4.dtsi b/arch/arm/boot/dts/uniphier-ld4.dtsi
index 7a8cb11..0459e84 100644 (file)
--- a/arch/arm/boot/dts/uniphier-ld4.dtsi
+++ b/arch/arm/boot/dts/uniphier-ld4.dtsi
@@ -237,6 +237,7 @@
                                 <&mio_clk 12>;
                        resets = <&sys_rst 8>, <&mio_rst 7>, <&mio_rst 8>,
                                 <&mio_rst 12>;
+                       has-transaction-translator;
                };
 
                usb1: usb@5a810100 {
@@ -250,6 +251,7 @@
                                 <&mio_clk 13>;
                        resets = <&sys_rst 8>, <&mio_rst 7>, <&mio_rst 9>,
                                 <&mio_rst 13>;
+                       has-transaction-translator;
                };
 
                usb2: usb@5a820100 {
@@ -263,6 +265,7 @@
                                 <&mio_clk 14>;
                        resets = <&sys_rst 8>, <&mio_rst 7>, <&mio_rst 10>,
                                 <&mio_rst 14>;
+                       has-transaction-translator;
                };
 
                soc-glue@5f800000 {

diff --git a/arch/arm/boot/dts/uniphier-pro4.dtsi b/arch/arm/boot/dts/uniphier-pro4.dtsi
index 843715b..1a29a86 100644 (file)
--- a/arch/arm/boot/dts/uniphier-pro4.dtsi
+++ b/arch/arm/boot/dts/uniphier-pro4.dtsi
@@ -271,6 +271,7 @@
                                 <&mio_clk 12>;
                        resets = <&sys_rst 8>, <&mio_rst 7>, <&mio_rst 8>,
                                 <&mio_rst 12>;
+                       has-transaction-translator;
                };
 
                usb3: usb@5a810100 {
@@ -284,6 +285,7 @@
                                 <&mio_clk 13>;
                        resets = <&sys_rst 8>, <&mio_rst 7>, <&mio_rst 9>,
                                 <&mio_rst 13>;
+                       has-transaction-translator;
                };
 
                soc-glue@5f800000 {

diff --git a/arch/arm/boot/dts/uniphier-sld8.dtsi b/arch/arm/boot/dts/uniphier-sld8.dtsi
index 1ac3d48..bc8c240 100644 (file)
--- a/arch/arm/boot/dts/uniphier-sld8.dtsi
+++ b/arch/arm/boot/dts/uniphier-sld8.dtsi
@@ -241,6 +241,7 @@
                                 <&mio_clk 12>;
                        resets = <&sys_rst 8>, <&mio_rst 7>, <&mio_rst 8>,
                                 <&mio_rst 12>;
+                       has-transaction-translator;
                };
 
                usb1: usb@5a810100 {
@@ -254,6 +255,7 @@
                                 <&mio_clk 13>;
                        resets = <&sys_rst 8>, <&mio_rst 7>, <&mio_rst 9>,
                                 <&mio_rst 13>;
+                       has-transaction-translator;
                };
 
                usb2: usb@5a820100 {
@@ -267,6 +269,7 @@
                                 <&mio_clk 14>;
                        resets = <&sys_rst 8>, <&mio_rst 7>, <&mio_rst 10>,
                                 <&mio_rst 14>;
+                       has-transaction-translator;
                };
 
                soc-glue@5f800000 {