* [PATCH] ARM: dts: sun8i: Fix power for USB Ethernet controller
@ 2017-12-28 12:52 ` Hauke Mehrtens
0 siblings, 0 replies; 4+ messages in thread
From: Hauke Mehrtens @ 2017-12-28 12:52 UTC (permalink / raw)
To: maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8, wens-jdAy2FN1RRM
Cc: icenowy-h8G6r0blFSE, devicetree-u79uwXL29TY76Z2rM5mHXA,
linux-sunxi-/JYPxA39Uh5TLH3MbocFFw,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r,
Hauke Mehrtens
The RTL8152B USB controller needs a 3.3 volt power supply which is
controlled by PAD20. Without this patch Linux will not see that there is
a device connected to the USB bus and the 2. USB port will not work.
I do not of a better solution to add a regulator to a USB device.
Signed-off-by: Hauke Mehrtens <hauke-5/S+JYg5SzeELgA04lAiVw@public.gmane.org>
---
arch/arm/boot/dts/sun8i-h2-plus-orangepi-r1.dts | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/arch/arm/boot/dts/sun8i-h2-plus-orangepi-r1.dts b/arch/arm/boot/dts/sun8i-h2-plus-orangepi-r1.dts
index 32a6d312422e..1d5db0e0bd12 100644
--- a/arch/arm/boot/dts/sun8i-h2-plus-orangepi-r1.dts
+++ b/arch/arm/boot/dts/sun8i-h2-plus-orangepi-r1.dts
@@ -47,13 +47,15 @@
model = "Xunlong Orange Pi R1";
compatible = "xunlong,orangepi-r1", "allwinner,sun8i-h2-plus";
- /delete-node/ reg_vcc_wifi;
-
aliases {
ethernet1 = &rtl8189etv;
};
};
+®_vcc_wifi {
+ regulator-always-on;
+};
+
&ohci1 {
/*
* RTL8152B USB-Ethernet adapter is connected to USB1,
--
2.11.0
--
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^ permalink raw reply related [flat|nested] 4+ messages in thread
* [PATCH] ARM: dts: sun8i: Fix power for USB Ethernet controller
@ 2017-12-28 12:52 ` Hauke Mehrtens
0 siblings, 0 replies; 4+ messages in thread
From: Hauke Mehrtens @ 2017-12-28 12:52 UTC (permalink / raw)
To: linux-arm-kernel
The RTL8152B USB controller needs a 3.3 volt power supply which is
controlled by PAD20. Without this patch Linux will not see that there is
a device connected to the USB bus and the 2. USB port will not work.
I do not of a better solution to add a regulator to a USB device.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
---
arch/arm/boot/dts/sun8i-h2-plus-orangepi-r1.dts | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/arch/arm/boot/dts/sun8i-h2-plus-orangepi-r1.dts b/arch/arm/boot/dts/sun8i-h2-plus-orangepi-r1.dts
index 32a6d312422e..1d5db0e0bd12 100644
--- a/arch/arm/boot/dts/sun8i-h2-plus-orangepi-r1.dts
+++ b/arch/arm/boot/dts/sun8i-h2-plus-orangepi-r1.dts
@@ -47,13 +47,15 @@
model = "Xunlong Orange Pi R1";
compatible = "xunlong,orangepi-r1", "allwinner,sun8i-h2-plus";
- /delete-node/ reg_vcc_wifi;
-
aliases {
ethernet1 = &rtl8189etv;
};
};
+®_vcc_wifi {
+ regulator-always-on;
+};
+
&ohci1 {
/*
* RTL8152B USB-Ethernet adapter is connected to USB1,
--
2.11.0
^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH] ARM: dts: sun8i: Fix power for USB Ethernet controller
2017-12-28 12:52 ` Hauke Mehrtens
@ 2017-12-28 13:01 ` Icenowy Zheng
-1 siblings, 0 replies; 4+ messages in thread
From: Icenowy Zheng @ 2017-12-28 13:01 UTC (permalink / raw)
To: Hauke Mehrtens
Cc: maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8, wens-jdAy2FN1RRM,
devicetree-u79uwXL29TY76Z2rM5mHXA,
linux-sunxi-/JYPxA39Uh5TLH3MbocFFw,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r
在 2017年12月28日星期四 CST 下午8:52:22,Hauke Mehrtens 写道:
> The RTL8152B USB controller needs a 3.3 volt power supply which is
> controlled by PAD20. Without this patch Linux will not see that there is
> a device connected to the USB bus and the 2. USB port will not work.
>
> I do not of a better solution to add a regulator to a USB device.
I have one.
Please check the patch I will send you soon.
>
> Signed-off-by: Hauke Mehrtens <hauke-5/S+JYg5SzeELgA04lAiVw@public.gmane.org>
> ---
> arch/arm/boot/dts/sun8i-h2-plus-orangepi-r1.dts | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm/boot/dts/sun8i-h2-plus-orangepi-r1.dts
> b/arch/arm/boot/dts/sun8i-h2-plus-orangepi-r1.dts index
> 32a6d312422e..1d5db0e0bd12 100644
> --- a/arch/arm/boot/dts/sun8i-h2-plus-orangepi-r1.dts
> +++ b/arch/arm/boot/dts/sun8i-h2-plus-orangepi-r1.dts
> @@ -47,13 +47,15 @@
> model = "Xunlong Orange Pi R1";
> compatible = "xunlong,orangepi-r1", "allwinner,sun8i-h2-plus";
>
> - /delete-node/ reg_vcc_wifi;
> -
> aliases {
> ethernet1 = &rtl8189etv;
> };
> };
>
> +®_vcc_wifi {
> + regulator-always-on;
> +};
> +
> &ohci1 {
> /*
> * RTL8152B USB-Ethernet adapter is connected to USB1,
--
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^ permalink raw reply [flat|nested] 4+ messages in thread
* [PATCH] ARM: dts: sun8i: Fix power for USB Ethernet controller
@ 2017-12-28 13:01 ` Icenowy Zheng
0 siblings, 0 replies; 4+ messages in thread
From: Icenowy Zheng @ 2017-12-28 13:01 UTC (permalink / raw)
To: linux-arm-kernel
? 2017?12?28???? CST ??8:52:22?Hauke Mehrtens ???
> The RTL8152B USB controller needs a 3.3 volt power supply which is
> controlled by PAD20. Without this patch Linux will not see that there is
> a device connected to the USB bus and the 2. USB port will not work.
>
> I do not of a better solution to add a regulator to a USB device.
I have one.
Please check the patch I will send you soon.
>
> Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
> ---
> arch/arm/boot/dts/sun8i-h2-plus-orangepi-r1.dts | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm/boot/dts/sun8i-h2-plus-orangepi-r1.dts
> b/arch/arm/boot/dts/sun8i-h2-plus-orangepi-r1.dts index
> 32a6d312422e..1d5db0e0bd12 100644
> --- a/arch/arm/boot/dts/sun8i-h2-plus-orangepi-r1.dts
> +++ b/arch/arm/boot/dts/sun8i-h2-plus-orangepi-r1.dts
> @@ -47,13 +47,15 @@
> model = "Xunlong Orange Pi R1";
> compatible = "xunlong,orangepi-r1", "allwinner,sun8i-h2-plus";
>
> - /delete-node/ reg_vcc_wifi;
> -
> aliases {
> ethernet1 = &rtl8189etv;
> };
> };
>
> +®_vcc_wifi {
> + regulator-always-on;
> +};
> +
> &ohci1 {
> /*
> * RTL8152B USB-Ethernet adapter is connected to USB1,
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2017-12-28 13:01 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2017-12-28 12:52 [PATCH] ARM: dts: sun8i: Fix power for USB Ethernet controller Hauke Mehrtens
2017-12-28 12:52 ` Hauke Mehrtens
[not found] ` <20171228125222.12942-1-hauke-5/S+JYg5SzeELgA04lAiVw@public.gmane.org>
2017-12-28 13:01 ` Icenowy Zheng
2017-12-28 13:01 ` Icenowy Zheng
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