From: afaerber@suse.de (Andreas Färber)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/2 v2] ARM: dts: exynos: Explicitly set dr_mode on peach-pit and peach-pi
Date: Wed, 27 Aug 2014 00:59:11 +0200 [thread overview]
Message-ID: <53FD113F.7080800@suse.de> (raw)
In-Reply-To: <1409038230-7242-2-git-send-email-sjoerd.simons@collabora.co.uk>
Am 26.08.2014 09:30, schrieb Sjoerd Simons:
> In case the optional dr_mode property isn't set in the dwc3 nodes the
> the controller will go into OTG mode iff both USB host and USB gadget
> functionality are enabled in the kernel configuration. Unfortunately this
> results in USB not working on exynos5420-peach-pit and
> exynos5800-peach-pi with such a kernel configuration unless manually
> change the mode. To resolve that explicitely configure the dual role
"explicitly"
> mode as host
>
> Signed-off-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
> ---
> Changes in v2: alphabetically sort the dts entries
>
> arch/arm/boot/dts/exynos5420-peach-pit.dts | 8 ++++++++
> arch/arm/boot/dts/exynos5420.dtsi | 4 ++--
> arch/arm/boot/dts/exynos5800-peach-pi.dts | 8 ++++++++
> 3 files changed, 18 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm/boot/dts/exynos5420-peach-pit.dts b/arch/arm/boot/dts/exynos5420-peach-pit.dts
> index 228a6b1..29d3a59 100644
> --- a/arch/arm/boot/dts/exynos5420-peach-pit.dts
> +++ b/arch/arm/boot/dts/exynos5420-peach-pit.dts
> @@ -427,6 +427,14 @@
> status = "okay";
> };
>
> +&usbdrd_dwc3_0 {
> + dr_mode = "host";
> +};
> +
> +&usbdrd_dwc3_1 {
> + dr_mode = "host";
> +};
> +
> &usbdrd_phy0 {
> vbus-supply = <&usb300_vbus_reg>;
> };
> diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi
> index bfe056d..8617a03 100644
> --- a/arch/arm/boot/dts/exynos5420.dtsi
> +++ b/arch/arm/boot/dts/exynos5420.dtsi
> @@ -815,7 +815,7 @@
> #size-cells = <1>;
> ranges;
>
> - dwc3 {
> + usbdrd_dwc3_0: dwc3 {
> compatible = "snps,dwc3";
> reg = <0x12000000 0x10000>;
> interrupts = <0 72 0>;
> @@ -841,7 +841,7 @@
> #size-cells = <1>;
> ranges;
>
> - dwc3 {
> + usbdrd_dwc3_1: dwc3 {
> compatible = "snps,dwc3";
> reg = <0x12400000 0x10000>;
> interrupts = <0 73 0>;
> diff --git a/arch/arm/boot/dts/exynos5800-peach-pi.dts b/arch/arm/boot/dts/exynos5800-peach-pi.dts
> index f3ee48b..2064550 100644
> --- a/arch/arm/boot/dts/exynos5800-peach-pi.dts
> +++ b/arch/arm/boot/dts/exynos5800-peach-pi.dts
> @@ -425,6 +425,14 @@
> status = "okay";
> };
>
> +&usbdrd_dwc3_0 {
> + dr_mode = "host";
> +};
> +
> +&usbdrd_dwc3_1 {
> + dr_mode = "host";
> +};
> +
> &usbdrd_phy0 {
> vbus-supply = <&usb300_vbus_reg>;
> };
Thanks,
Reviewed-by: Andreas F?rber <afaerber@suse.de>
Andreas
--
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 N?rnberg, Germany
GF: Jeff Hawn, Jennifer Guild, Felix Imend?rffer; HRB 16746 AG N?rnberg
next prev parent reply other threads:[~2014-08-26 22:59 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-26 7:30 [PATCH 0/2 v2] Fix Exynos peach USB on kernels with USB Gadget support Sjoerd Simons
2014-08-26 7:30 ` [PATCH 1/2 v2] ARM: dts: exynos: Explicitly set dr_mode on peach-pit and peach-pi Sjoerd Simons
2014-08-26 22:59 ` Andreas Färber [this message]
2014-08-26 7:30 ` [PATCH 2/2 v2] ARM: exynos_defconfig: enable USB gadget support Sjoerd Simons
2014-08-27 1:38 ` Andreas Färber
2014-08-27 7:28 ` Sjoerd Simons
2014-08-27 2:08 ` [PATCH 0/2 v2] Fix Exynos peach USB on kernels with USB Gadget support Andreas Färber
2014-08-27 7:44 ` Sjoerd Simons
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=53FD113F.7080800@suse.de \
--to=afaerber@suse.de \
--cc=linux-arm-kernel@lists.infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).