Thread (1 message) 1 message, 1 author, 2016-08-21
DORMANTno replies

[PATCH V3 2/5] ARM: dts: bcm283x: Add dtsi for USB host mode

From: Stefan Wahren <hidden>
Date: 2016-08-21 15:10:00
Also in: linux-arm-kernel
Subsystem: the rest · Maintainer: Linus Torvalds

Possibly related (same subject, not in this thread)

In case dr_mode isn't passed via DT, the dwc2 defaults to OTG mode.
But all Raspberry Pi boards here are designed only for host mode.
So fix this issue by providing a dtsi file which set the dr_mode
to host.

Signed-off-by: Stefan Wahren <redacted>
---
 arch/arm/boot/dts/bcm2835-rpi-a-plus.dts    |    1 +
 arch/arm/boot/dts/bcm2835-rpi-a.dts         |    1 +
 arch/arm/boot/dts/bcm2835-rpi-b-plus.dts    |    1 +
 arch/arm/boot/dts/bcm2835-rpi-b-rev2.dts    |    1 +
 arch/arm/boot/dts/bcm2835-rpi-b.dts         |    1 +
 arch/arm/boot/dts/bcm2836-rpi-2-b.dts       |    1 +
 arch/arm/boot/dts/bcm283x-rpi-usb-host.dtsi |    3 +++
 7 files changed, 9 insertions(+)
 create mode 100644 arch/arm/boot/dts/bcm283x-rpi-usb-host.dtsi
diff --git a/arch/arm/boot/dts/bcm2835-rpi-a-plus.dts b/arch/arm/boot/dts/bcm2835-rpi-a-plus.dts
index 35ff4e7..f7f9db3 100644
--- a/arch/arm/boot/dts/bcm2835-rpi-a-plus.dts
+++ b/arch/arm/boot/dts/bcm2835-rpi-a-plus.dts
@@ -1,6 +1,7 @@
 /dts-v1/;
 #include "bcm2835.dtsi"
 #include "bcm2835-rpi.dtsi"
+#include "bcm283x-rpi-usb-host.dtsi"
 
 / {
 	compatible = "raspberrypi,model-a-plus", "brcm,bcm2835";
diff --git a/arch/arm/boot/dts/bcm2835-rpi-a.dts b/arch/arm/boot/dts/bcm2835-rpi-a.dts
index 306a84e..8be102f 100644
--- a/arch/arm/boot/dts/bcm2835-rpi-a.dts
+++ b/arch/arm/boot/dts/bcm2835-rpi-a.dts
@@ -1,6 +1,7 @@
 /dts-v1/;
 #include "bcm2835.dtsi"
 #include "bcm2835-rpi.dtsi"
+#include "bcm283x-rpi-usb-host.dtsi"
 
 / {
 	compatible = "raspberrypi,model-a", "brcm,bcm2835";
diff --git a/arch/arm/boot/dts/bcm2835-rpi-b-plus.dts b/arch/arm/boot/dts/bcm2835-rpi-b-plus.dts
index d5fdb8e..35cde65 100644
--- a/arch/arm/boot/dts/bcm2835-rpi-b-plus.dts
+++ b/arch/arm/boot/dts/bcm2835-rpi-b-plus.dts
@@ -2,6 +2,7 @@
 #include "bcm2835.dtsi"
 #include "bcm2835-rpi.dtsi"
 #include "bcm283x-rpi-smsc9514.dtsi"
+#include "bcm283x-rpi-usb-host.dtsi"
 
 / {
 	compatible = "raspberrypi,model-b-plus", "brcm,bcm2835";
diff --git a/arch/arm/boot/dts/bcm2835-rpi-b-rev2.dts b/arch/arm/boot/dts/bcm2835-rpi-b-rev2.dts
index bfc4bd9..84df85e 100644
--- a/arch/arm/boot/dts/bcm2835-rpi-b-rev2.dts
+++ b/arch/arm/boot/dts/bcm2835-rpi-b-rev2.dts
@@ -2,6 +2,7 @@
 #include "bcm2835.dtsi"
 #include "bcm2835-rpi.dtsi"
 #include "bcm283x-rpi-smsc9512.dtsi"
+#include "bcm283x-rpi-usb-host.dtsi"
 
 / {
 	compatible = "raspberrypi,model-b-rev2", "brcm,bcm2835";
diff --git a/arch/arm/boot/dts/bcm2835-rpi-b.dts b/arch/arm/boot/dts/bcm2835-rpi-b.dts
index 0371bb7..8e626a8 100644
--- a/arch/arm/boot/dts/bcm2835-rpi-b.dts
+++ b/arch/arm/boot/dts/bcm2835-rpi-b.dts
@@ -2,6 +2,7 @@
 #include "bcm2835.dtsi"
 #include "bcm2835-rpi.dtsi"
 #include "bcm283x-rpi-smsc9512.dtsi"
+#include "bcm283x-rpi-usb-host.dtsi"
 
 / {
 	compatible = "raspberrypi,model-b", "brcm,bcm2835";
diff --git a/arch/arm/boot/dts/bcm2836-rpi-2-b.dts b/arch/arm/boot/dts/bcm2836-rpi-2-b.dts
index 29e1cfe..39dccf6 100644
--- a/arch/arm/boot/dts/bcm2836-rpi-2-b.dts
+++ b/arch/arm/boot/dts/bcm2836-rpi-2-b.dts
@@ -2,6 +2,7 @@
 #include "bcm2836.dtsi"
 #include "bcm2835-rpi.dtsi"
 #include "bcm283x-rpi-smsc9514.dtsi"
+#include "bcm283x-rpi-usb-host.dtsi"
 
 / {
 	compatible = "raspberrypi,2-model-b", "brcm,bcm2836";
diff --git a/arch/arm/boot/dts/bcm283x-rpi-usb-host.dtsi b/arch/arm/boot/dts/bcm283x-rpi-usb-host.dtsi
new file mode 100644
index 0000000..73f4ece
--- /dev/null
+++ b/arch/arm/boot/dts/bcm283x-rpi-usb-host.dtsi
@@ -0,0 +1,3 @@
+&usb {
+	dr_mode = "host";
+};
-- 
1.7.9.5

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