| Message ID | 564EB332.5090406@samsung.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Hi Chanwoo, Chanwoo Choi <cw00.choi@samsung.com> writes: > Hi Felipe, > > On 2015? 11? 20? 14:33, Chanwoo Choi wrote: >> Hi Felipe, >> >> Looks good to me. But I have one comment. >> >> On 2015? 11? 13? 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 :-)
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 2015? 11? 20? 14:33, Chanwoo Choi wrote: >>> Hi Felipe, >>> >>> Looks good to me. But I have one comment. >>> >>> On 2015? 11? 13? 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. Thanks, Chanwoo Choi
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 2015? 11? 20? 14:33, Chanwoo Choi wrote: >>>> Hi Felipe, >>>> >>>> Looks good to me. But I have one comment. >>>> >>>> On 2015? 11? 13? 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
diff --git a/drivers/extcon/extcon-palmas.c b/drivers/extcon/extcon-palmas.c index 93c30a885740..f601370c9466 100644 --- a/drivers/extcon/extcon-palmas.c +++ b/drivers/extcon/extcon-palmas.c @@ -296,10 +296,29 @@ 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 << PALMAS_PRIMARY_SECONDARY_PAD1_GPIO_1_SHIFT)); + 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,