From: Chanwoo Choi <cwchoi00@gmail.com>
To: Chanwoo Choi <cw00.choi@samsung.com>
Cc: Tony Lindgren <tony@atomide.com>,
Rob Herring <robh+dt@kernel.org>,
MyungJoo Ham <myungjoo.ham@samsung.com>,
Linux OMAP Mailing List <linux-omap@vger.kernel.org>,
Linux ARM Kernel Mailing List
<linux-arm-kernel@lists.infradead.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] extcon: palmas: add support for using VBUSDET output
Date: Sat, 21 Nov 2015 01:37:04 +0900 [thread overview]
Message-ID: <CAGTfZH37-CB9VdRSyS+7wOB50KXB7U2KVAuGU9_nvBX=7Ro22g@mail.gmail.com> (raw)
In-Reply-To: <CAGTfZH1LStzFc8O==n8trw232=nqyEmPhrXyE4bgM88oApPsWQ@mail.gmail.com>
Hi,
On Sat, Nov 21, 2015 at 12:05 AM, Chanwoo Choi <cwchoi00@gmail.com> wrote:
> Hi Felipe,
>
> On Fri, Nov 20, 2015 at 11:37 PM, Felipe Balbi <balbi@ti.com> wrote:
>>
>> Hi Chanwoo,
>>
>> Chanwoo Choi <cw00.choi@samsung.com> writes:
>>> Hi Felipe,
>>>
>>> On 2015년 11월 20일 14:33, Chanwoo Choi wrote:
>>>> Hi Felipe,
>>>>
>>>> Looks good to me. But I have one comment.
>>>>
>>>> On 2015년 11월 13일 02:57, Felipe Balbi wrote:
>>>>> TPS659038 can remux its GPIO_1 as VBUSDET output,
>>>>> which can be tied to a SoC GPIO and used as a VBUS
>>>>> interrupt.
>>>>>
>>>>> Beagle X15 uses that, in fact, and without it, I
>>>>> could not get USB peripheral working with that
>>>>> board.
>>>>>
>>>>> Signed-off-by: Felipe Balbi <balbi@ti.com>
>>>>> ---
>>>>> drivers/extcon/extcon-palmas.c | 22 ++++++++++++++++++++--
>>>>> 1 file changed, 20 insertions(+), 2 deletions(-)
>>>>>
>>>>> diff --git a/drivers/extcon/extcon-palmas.c b/drivers/extcon/extcon-palmas.c
>>>>> index 93c30a885740..7985d092c069 100644
>>>>> --- a/drivers/extcon/extcon-palmas.c
>>>>> +++ b/drivers/extcon/extcon-palmas.c
>>>>> @@ -296,10 +296,28 @@ static int palmas_usb_probe(struct platform_device *pdev)
>>>>> }
>>>>>
>>>>> if (palmas_usb->enable_vbus_detection) {
>>>>> + int irq = platform_get_irq(pdev, 0);
>>>>> +
>>>>> + if (irq > 0) {
>>>>> + /* remux GPIO_1 as VBUSDET */
>>>>> + status = palmas_update_bits(palmas, PALMAS_PU_PD_OD_BASE,
>>>>> + PALMAS_PRIMARY_SECONDARY_PAD1,
>>>>> + PALMAS_PRIMARY_SECONDARY_PAD1_GPIO_1_MASK,
>>>>> + (1 << 3));
>>>>
>>>> PALMAS_PRIMARY_SECONDARY_PAD1_GPIO_1_SHIFT is appropriate instead of
>>>> using '3'.
>>
>> good point :-)
>>
>>>>> + if (status < 0) {
>>>>> + dev_err(&pdev->dev, "can't remux GPIO1\n");
>>>>> + return status;
>>>>> + }
>>>>> +
>>>>> + palmas_usb->vbus_irq = irq;
>>>>> + } else {
>>>>> + irq = regmap_irq_get_virq(palmas->irq_data,
>>>>> + PALMAS_VBUS_IRQ);
>>>>> + palmas_usb->vbus_irq = irq;
>>>>> + }
>>>>> +
>>>>> palmas_usb->vbus_otg_irq = regmap_irq_get_virq(palmas->irq_data,
>>>>> PALMAS_VBUS_OTG_IRQ);
>>>>> - palmas_usb->vbus_irq = regmap_irq_get_virq(palmas->irq_data,
>>>>> - PALMAS_VBUS_IRQ);
>>>>> status = devm_request_threaded_irq(palmas_usb->dev,
>>>>> palmas_usb->vbus_irq, NULL,
>>>>> palmas_vbus_irq_handler,
>>>>>
>>>>
>>>> Thanks,
>>>> Chanwoo Choi
>>>> --
>>>> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
>>>> the body of a message to majordomo@vger.kernel.org
>>>> More majordomo info at http://vger.kernel.org/majordomo-info.html
>>>> Please read the FAQ at http://www.tux.org/lkml/
>>>>
>>>
>>> If you are OK about following patch, I'll apply it on extcon branch.
>>
>> that's perfect, thanks for fixing it :-)
>
> Applied it.
Please ignore this reply about applies because I need to discuss about it.
Thanks,
Chanwoo Choi
next prev parent reply other threads:[~2015-11-20 16:37 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-12 17:52 [PATCH 0/2] arm: beaglex15: fix USB Gadget Felipe Balbi
2015-11-12 17:53 ` [PATCH 1/2] arm: boot: dts: beaglex15: Remove ID GPIO Felipe Balbi
2015-11-12 17:53 ` [PATCH 2/2] arm: boot: beaglex15: pass correct interrupt Felipe Balbi
2015-11-20 5:39 ` Chanwoo Choi
[not found] ` <564F4D90.4050305@gmail.com>
2015-11-20 16:55 ` Chanwoo Choi
2015-11-25 19:01 ` Tony Lindgren
2015-11-12 17:54 ` [PATCH 0/2] arm: beaglex15: fix USB Gadget Felipe Balbi
2015-11-12 17:57 ` [PATCH] extcon: palmas: add support for using VBUSDET output Felipe Balbi
2015-11-20 5:33 ` Chanwoo Choi
2015-11-20 5:44 ` Chanwoo Choi
2015-11-20 14:37 ` Felipe Balbi
2015-11-20 15:05 ` Chanwoo Choi
2015-11-20 16:37 ` Chanwoo Choi [this message]
2015-11-20 16:34 ` Chanwoo Choi
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