From: Philipp Puschmann <pp@emlix.com> To: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>, Philipp Puschmann <philipp.puschmann@emlix.com>, gregkh@linuxfoundation.org Cc: robh+dt@kernel.org, mark.rutland@arm.com, Peter.Chen@nxp.com, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2,2/2] usb: chipidea: imx: set power polarity Date: Mon, 21 Jan 2019 18:57:51 +0100 [thread overview] Message-ID: <b95de83f-b0fe-b31f-22c9-a0dfdc2ff078@emlix.com> (raw) In-Reply-To: <22968f8c-0a62-7046-c46f-ce7dc8981499@cogentembedded.com> Hi! Am 16.01.19 um 17:32 schrieb Sergei Shtylyov: > Hello! > > On 01/16/2019 01:51 PM, Philipp Puschmann wrote: > >> This patch adds support to set the power line polarity for i.MX6q/dl. >> >> To let the USB controller control the power it may be necessary to configure >> the polarity of the power line. So far the polarity was configured >> by Bootloader or alternatively the power line was muxed as gpio and >> driven by a regulator. >> >> Signed-off-by: Philipp Puschmann <philipp.puschmann@emlix.com> >> --- >> >> V2: fixed wrong variable name ... >> >> --- >> drivers/usb/chipidea/ci_hdrc_imx.c | 3 +++ >> drivers/usb/chipidea/ci_hdrc_imx.h | 1 + >> drivers/usb/chipidea/usbmisc_imx.c | 4 ++++ >> 3 files changed, 8 insertions(+) >> >> diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c b/drivers/usb/chipidea/ci_hdrc_imx.c >> index e81de9ca8729..32dc120680fa 100644 >> --- a/drivers/usb/chipidea/ci_hdrc_imx.c >> +++ b/drivers/usb/chipidea/ci_hdrc_imx.c >> @@ -152,6 +152,9 @@ static struct imx_usbmisc_data *usbmisc_get_init_data(struct device *dev) >> dev_warn(dev, "No over current polarity defined\n"); >> } >> >> + if (of_find_property(np, "power-active-high", NULL)) > > How about of_property_read_bool()? Good idea. I will send a patch v4 in next days. > >> + data->pwr_pol = 1; >> + >> if (of_find_property(np, "external-vbus-divider", NULL)) >> data->evdo = 1; >> > [...] > > MBR, Sergei >
WARNING: multiple messages have this Message-ID (diff)
From: Philipp Puschmann <pp@emlix.com> To: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>, Philipp Puschmann <philipp.puschmann@emlix.com>, gregkh@linuxfoundation.org Cc: robh+dt@kernel.org, mark.rutland@arm.com, Peter.Chen@nxp.com, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [v2,2/2] usb: chipidea: imx: set power polarity Date: Mon, 21 Jan 2019 18:57:51 +0100 [thread overview] Message-ID: <b95de83f-b0fe-b31f-22c9-a0dfdc2ff078@emlix.com> (raw) Hi! Am 16.01.19 um 17:32 schrieb Sergei Shtylyov: > Hello! > > On 01/16/2019 01:51 PM, Philipp Puschmann wrote: > >> This patch adds support to set the power line polarity for i.MX6q/dl. >> >> To let the USB controller control the power it may be necessary to configure >> the polarity of the power line. So far the polarity was configured >> by Bootloader or alternatively the power line was muxed as gpio and >> driven by a regulator. >> >> Signed-off-by: Philipp Puschmann <philipp.puschmann@emlix.com> >> --- >> >> V2: fixed wrong variable name ... >> >> --- >> drivers/usb/chipidea/ci_hdrc_imx.c | 3 +++ >> drivers/usb/chipidea/ci_hdrc_imx.h | 1 + >> drivers/usb/chipidea/usbmisc_imx.c | 4 ++++ >> 3 files changed, 8 insertions(+) >> >> diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c b/drivers/usb/chipidea/ci_hdrc_imx.c >> index e81de9ca8729..32dc120680fa 100644 >> --- a/drivers/usb/chipidea/ci_hdrc_imx.c >> +++ b/drivers/usb/chipidea/ci_hdrc_imx.c >> @@ -152,6 +152,9 @@ static struct imx_usbmisc_data *usbmisc_get_init_data(struct device *dev) >> dev_warn(dev, "No over current polarity defined\n"); >> } >> >> + if (of_find_property(np, "power-active-high", NULL)) > > How about of_property_read_bool()? Good idea. I will send a patch v4 in next days. > >> + data->pwr_pol = 1; >> + >> if (of_find_property(np, "external-vbus-divider", NULL)) >> data->evdo = 1; >> > [...] > > MBR, Sergei >
next prev parent reply other threads:[~2019-01-21 18:06 UTC|newest] Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-01-15 12:31 [PATCH 1/2] dt-bindings: usb: ci-hdrc-usb2: add property power-active-high Philipp Puschmann 2019-01-15 12:31 ` [1/2] " Philipp Puschmann 2019-01-15 12:31 ` [PATCH 2/2] usb: chipidea: imx: set power polarity Philipp Puschmann 2019-01-15 12:31 ` [2/2] " Philipp Puschmann 2019-01-16 10:51 ` [PATCH v2,1/2] dt-bindings: usb: ci-hdrc-usb2: add property power-active-high Philipp Puschmann 2019-01-16 10:51 ` [v2,1/2] " Philipp Puschmann 2019-01-16 10:51 ` [PATCH v2,2/2] usb: chipidea: imx: set power polarity Philipp Puschmann 2019-01-16 10:51 ` [v2,2/2] " Philipp Puschmann 2019-01-16 11:11 ` [PATCH v3 1/2] dt-bindings: usb: ci-hdrc-usb2: add property power-active-high Philipp Puschmann 2019-01-16 11:11 ` [v3,1/2] " Philipp Puschmann 2019-01-16 11:11 ` [PATCH v3 2/2] usb: chipidea: imx: set power polarity Philipp Puschmann 2019-01-16 11:11 ` [v3,2/2] " Philipp Puschmann 2019-01-16 19:51 ` [PATCH v3 1/2] dt-bindings: usb: ci-hdrc-usb2: add property power-active-high Rob Herring 2019-01-16 19:51 ` [v3,1/2] " Rob Herring 2019-01-16 19:51 ` [PATCH v3 1/2] " Rob Herring 2019-01-17 7:01 ` Peter Chen 2019-01-17 7:01 ` [v3,1/2] " Peter Chen 2019-01-21 18:00 ` [PATCH v3 1/2] " Philipp Puschmann 2019-01-21 18:00 ` [v3,1/2] " Philipp Puschmann 2019-01-22 7:50 ` [PATCH v3 1/2] " Peter Chen 2019-01-22 7:50 ` [v3,1/2] " Peter Chen 2019-01-16 16:32 ` [PATCH v2,2/2] usb: chipidea: imx: set power polarity Sergei Shtylyov 2019-01-16 16:32 ` [v2,2/2] " Sergei Shtylyov 2019-01-21 17:57 ` Philipp Puschmann [this message] 2019-01-21 17:57 ` Philipp Puschmann
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