* [PATCH 0/8] ARM: dts: bcm283x: add and use pinctrl groups
@ 2016-09-07 10:31 Gerd Hoffmann
2016-09-07 10:31 ` [PATCH 1/8] ARM: dts: bcm283x: Define standard pinctrl groups in the gpio node Gerd Hoffmann
` (6 more replies)
0 siblings, 7 replies; 27+ messages in thread
From: Gerd Hoffmann @ 2016-09-07 10:31 UTC (permalink / raw)
To: linux-rpi-kernel, devicetree, linux-arm-kernel
Cc: eric, bcm-kernel-feedback-list, Gerd Hoffmann, swarren
Hi,
Patches 1-4 of this series add pinctrl group declarations for the
bcm283x. Picked them up from Eric's git branches and the rpi mailing
list. They alone should not break anything as they have no effect at
all without patches 5-8. But even unused pinctrl groups are useful to
have for documentation purposes, so I'd like to see those land in the
next merge window even in case patches 5-8 are considered to be too
risky.
Patches 5-8 put some of these pinctrl groups into use, by adding them
to the devices they belong to (and removing the pins from &gpio at the
same time). That should in theory not break anything too as we only move
the pinctrl setup to another place, but you never know ...
I've tested it on rpi2 and rpi3 hardware without any problems showing up.
/sys/kernel/debug/pinctrl/3f200000.gpio/pinmux-pins is more informative
with the patches applied.
cheers,
Gerd
Eric Anholt (3):
ARM: dts: bcm283x: Define standard pinctrl groups in the gpio node.
ARM: dts: bcm283x: Add a group for mapping pins 48-53 to sdhost.
ARM: dts: bcm283x: Add a new EMMC pin group from the downstream tree.
Gerd Hoffmann (5):
ARM: dts: bcm283x: Add the emmc pin group to bcm283x.dtsi.
ARM: dts: bcm283x: add pinctrl group to &pwm, drop pins from &gpio
ARM: dts: bcm283x: add pinctrl group to &i2c0, drop pins from &gpio
ARM: dts: bcm283x: add pinctrl group to &i2c1, drop pins from &gpio
ARM: dts: bcm283x: add pinctrl group to &sdhci, drop pins from &gpio
arch/arm/boot/dts/bcm2835-rpi.dtsi | 12 ++-
arch/arm/boot/dts/bcm283x.dtsi | 183 +++++++++++++++++++++++++++++++++++++
2 files changed, 193 insertions(+), 2 deletions(-)
--
1.8.3.1
^ permalink raw reply [flat|nested] 27+ messages in thread* [PATCH 1/8] ARM: dts: bcm283x: Define standard pinctrl groups in the gpio node. 2016-09-07 10:31 [PATCH 0/8] ARM: dts: bcm283x: add and use pinctrl groups Gerd Hoffmann @ 2016-09-07 10:31 ` Gerd Hoffmann [not found] ` <1473244289-20728-2-git-send-email-kraxel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2016-09-07 10:31 ` [PATCH 2/8] ARM: dts: bcm283x: Add the emmc pin group to bcm283x.dtsi Gerd Hoffmann ` (5 subsequent siblings) 6 siblings, 1 reply; 27+ messages in thread From: Gerd Hoffmann @ 2016-09-07 10:31 UTC (permalink / raw) To: linux-rpi-kernel, devicetree, linux-arm-kernel Cc: eric, swarren, bcm-kernel-feedback-list, Rob Herring, Mark Rutland, Russell King, Florian Fainelli, Ray Jui, Scott Branden, open list From: Eric Anholt <eric@anholt.net> The BCM2835-ARM-Peripherals.pdf documentation specifies what the function selects do for the pins, and there are a bunch of obvious groupings to be made. With these created, we'll be able to replace bcm2835-rpi.dtsi's main "set all of these pins to alt0" with references to specific groups we want enabled. Signed-off-by: Eric Anholt <eric@anholt.net> --- arch/arm/boot/dts/bcm283x.dtsi | 170 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 170 insertions(+) diff --git a/arch/arm/boot/dts/bcm283x.dtsi b/arch/arm/boot/dts/bcm283x.dtsi index 4d9f3ab..acb616f 100644 --- a/arch/arm/boot/dts/bcm283x.dtsi +++ b/arch/arm/boot/dts/bcm283x.dtsi @@ -131,6 +131,176 @@ interrupt-controller; #interrupt-cells = <2>; + + /* Defines pin muxing groups according to + * BCM2835-ARM-Peripherals.pdf page 102. + * + * While each pin can have its mux selected + * for various functions individually, some + * groups only make sense to switch to a + * particular function together. + */ + i2c0_gpio0: i2c0_gpio0 { + brcm,pins = <0 1>; + brcm,function = <BCM2835_FSEL_ALT0>; + }; + i2c1_gpio2: i2c1_gpio2 { + brcm,pins = <2 3>; + brcm,function = <BCM2835_FSEL_ALT0>; + }; + gpclk0_gpio4: gpclk0_gpio4 { + brcm,pins = <4>; + brcm,function = <BCM2835_FSEL_ALT0>; + }; + gpclk1_gpio5: gpclk1_gpio5 { + brcm,pins = <5>; + brcm,function = <BCM2835_FSEL_ALT0>; + }; + gpclk2_gpio6: gpclk2_gpio6 { + brcm,pins = <6>; + brcm,function = <BCM2835_FSEL_ALT0>; + }; + spi0_gpio7: spi0_gpio7 { + brcm,pins = <7 8 9 10 11>; + brcm,function = <BCM2835_FSEL_ALT0>; + }; + pwm0_gpio12: pwm0_gpio12 { + brcm,pins = <12>; + brcm,function = <BCM2835_FSEL_ALT0>; + }; + pwm1_gpio13: pwm1_gpio13 { + brcm,pins = <13>; + brcm,function = <BCM2835_FSEL_ALT0>; + }; + uart0_gpio14: uart0_gpio14 { + brcm,pins = <14 15>; + brcm,function = <BCM2835_FSEL_ALT0>; + }; + pcm_gpio18: pcm_gpio18 { + brcm,pins = <18 19 20 21>; + brcm,function = <BCM2835_FSEL_ALT0>; + }; + i2c0_gpio32: i2c0_gpio32 { + brcm,pins = <32 34>; + brcm,function = <BCM2835_FSEL_ALT0>; + }; + spio0_gpio35: spio0_gpio35 { + brcm,pins = <35 36 37 38 39>; + brcm,function = <BCM2835_FSEL_ALT0>; + }; + pwm0_gpio40: pwm0_gpio40 { + brcm,pins = <40>; + brcm,function = <BCM2835_FSEL_ALT0>; + }; + pwm1_gpio41: pwm1_gpio41 { + brcm,pins = <41>; + brcm,function = <BCM2835_FSEL_ALT0>; + }; + gpclk1_gpio42: gpclk1_gpio42 { + brcm,pins = <42>; + brcm,function = <BCM2835_FSEL_ALT0>; + }; + gpclk2_gpio43: gpclk2_gpio43 { + brcm,pins = <43>; + brcm,function = <BCM2835_FSEL_ALT0>; + }; + gpclk1_gpio44: gpclk1_gpio44 { + brcm,pins = <44>; + brcm,function = <BCM2835_FSEL_ALT0>; + }; + pwm1_gpio45: pwm1_gpio45 { + brcm,pins = <45>; + brcm,function = <BCM2835_FSEL_ALT0>; + }; + i2c0_gpio44: i2c0_gpio44 { + brcm,pins = <44 45>; + brcm,function = <BCM2835_FSEL_ALT1>; + }; + pcm_gpio28: pcm_gpio28 { + brcm,pins = <28 29 30 31>; + brcm,function = <BCM2835_FSEL_ALT2>; + }; + uart1_gpio36: uart1_gpio36 { + brcm,pins = <36 37 38 39>; + brcm,function = <BCM2835_FSEL_ALT2>; + }; + i2c1_gpio44: i2c1_gpio44 { + brcm,pins = <44 45>; + brcm,function = <BCM2835_FSEL_ALT2>; + }; + /* Separate from the uart0_gpio14 group + * because it conflicts with spi1_gpio16, and + * people often run uart0 on the two pins + * without flow contrl. + */ + uart0_ctsrts_gpio16: uart0_ctsrts_gpio16 { + brcm,pins = <16 17>; + brcm,function = <BCM2835_FSEL_ALT3>; + }; + i2c_slave_gpio18: i2c_slave_gpio18 { + brcm,pins = <18 19 20 21>; + brcm,function = <BCM2835_FSEL_ALT3>; + }; + emmc_gpio22: emmc_gpio22 { + brcm,pins = <22 23 24 25 26 27>; + brcm,function = <BCM2835_FSEL_ALT3>; + }; + uart0_gpio30: uart0_gpio30 { + brcm,pins = <30 31>; + brcm,function = <BCM2835_FSEL_ALT3>; + }; + uart0_ctsrts_gpio32: uart0_ctsrts_gpio32 { + brcm,pins = <32 33>; + brcm,function = <BCM2835_FSEL_ALT3>; + }; + spi1_gpio16: spi1_gpio16 { + brcm,pins = <16 17 18 19 20 21>; + brcm,function = <BCM2835_FSEL_ALT4>; + }; + jtag_gpio22: jtag_gpio22 { + brcm,pins = <22 23 24 25 26 27>; + brcm,function = <BCM2835_FSEL_ALT4>; + }; + spi2_gpio40: spi2_gpio40 { + brcm,pins = <40 41 42 43 44 45>; + brcm,function = <BCM2835_FSEL_ALT4>; + }; + jtag_gpio4: jtag_gpio4 { + brcm,pins = <4 5 6 12 13>; + brcm,function = <BCM2835_FSEL_ALT4>; + }; + uart1_gpio14: uart1_gpio14 { + brcm,pins = <14 15>; + brcm,function = <BCM2835_FSEL_ALT5>; + }; + uart1_ctsrts_gpio16: uart1_ctsrts_gpio16 { + brcm,pins = <16 17>; + brcm,function = <BCM2835_FSEL_ALT5>; + }; + pwm0_gpio18: pwm0_gpio18 { + brcm,pins = <18>; + brcm,function = <BCM2835_FSEL_ALT5>; + }; + pwm1_gpio19: pwm1_gpio19 { + brcm,pins = <19>; + brcm,function = <BCM2835_FSEL_ALT5>; + }; + uart1_gpio32: uart1_gpio32 { + brcm,pins = <32 33>; + brcm,function = <BCM2835_FSEL_ALT5>; + }; + uart1_ctsrts_gpio30: uart1_ctsrts_gpio30 { + brcm,pins = <30 31>; + brcm,function = <BCM2835_FSEL_ALT5>; + }; + uart1_gpio40: uart1_gpio40 { + brcm,pins = <40 41>; + brcm,function = <BCM2835_FSEL_ALT5>; + }; + uart1_ctsrts_gpio42: uart1_ctsrts_gpio42 { + brcm,pins = <42 43>; + brcm,function = <BCM2835_FSEL_ALT5>; + }; }; uart0: serial@7e201000 { -- 1.8.3.1 ^ permalink raw reply related [flat|nested] 27+ messages in thread
[parent not found: <1473244289-20728-2-git-send-email-kraxel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>]
* Re: [PATCH 1/8] ARM: dts: bcm283x: Define standard pinctrl groups in the gpio node. [not found] ` <1473244289-20728-2-git-send-email-kraxel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> @ 2016-09-07 18:09 ` Stefan Wahren 2016-09-07 18:50 ` Eric Anholt 2016-09-08 17:55 ` Stefan Wahren 1 sibling, 1 reply; 27+ messages in thread From: Stefan Wahren @ 2016-09-07 18:09 UTC (permalink / raw) To: Gerd Hoffmann, linux-rpi-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, devicetree-u79uwXL29TY76Z2rM5mHXA Cc: Scott Branden, Ray Jui, Russell King, eric-WhKQ6XTQaPysTnJN9+BGXg, open list, Rob Herring, bcm-kernel-feedback-list-dY08KVG/lbpWk0Htik3J/w, swarren-3lzwWm7+Weoh9ZMKESR00Q, Mark Rutland, Florian Fainelli Hi Gerd, > Gerd Hoffmann <kraxel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> hat am 7. September 2016 um 12:31 > geschrieben: > > > From: Eric Anholt <eric-WhKQ6XTQaPysTnJN9+BGXg@public.gmane.org> > > The BCM2835-ARM-Peripherals.pdf documentation specifies what the > function selects do for the pins, and there are a bunch of obvious > groupings to be made. With these created, we'll be able to replace > bcm2835-rpi.dtsi's main "set all of these pins to alt0" with > references to specific groups we want enabled. on IMX/MXS platform it's unwanted to add all possible muxes in the dtsi file. So i would suggest to add only the actually used muxes. That makes it easier to maintain. Regards Stefan -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 27+ messages in thread
* Re: [PATCH 1/8] ARM: dts: bcm283x: Define standard pinctrl groups in the gpio node. 2016-09-07 18:09 ` Stefan Wahren @ 2016-09-07 18:50 ` Eric Anholt [not found] ` <87bmzzr1bg.fsf-omZaPlIz5HhaEpDpdNBo/KxOck334EZe@public.gmane.org> 0 siblings, 1 reply; 27+ messages in thread From: Eric Anholt @ 2016-09-07 18:50 UTC (permalink / raw) To: Stefan Wahren, Gerd Hoffmann, linux-rpi-kernel, linux-arm-kernel, devicetree Cc: Scott Branden, Ray Jui, Russell King, open list, Rob Herring, bcm-kernel-feedback-list, swarren, Mark Rutland, Florian Fainelli [-- Attachment #1: Type: text/plain, Size: 1093 bytes --] Stefan Wahren <stefan.wahren@i2se.com> writes: > Hi Gerd, > >> Gerd Hoffmann <kraxel@redhat.com> hat am 7. September 2016 um 12:31 >> geschrieben: >> >> >> From: Eric Anholt <eric@anholt.net> >> >> The BCM2835-ARM-Peripherals.pdf documentation specifies what the >> function selects do for the pins, and there are a bunch of obvious >> groupings to be made. With these created, we'll be able to replace >> bcm2835-rpi.dtsi's main "set all of these pins to alt0" with >> references to specific groups we want enabled. > > on IMX/MXS platform it's unwanted to add all possible muxes in the dtsi file. So > i would suggest to add only the actually used muxes. That makes it easier to > maintain. On the other hand, I find that having to go back to the docs for determining the fsels is worse than just verifying and defining them here all at once. Maintaining has also gotten harder because our DTs are split across 32 and 64-bit ARM, so rpi3 changes that require adding one of these pinmux definitions back to the dtsi would require painful cross-branch merges. [-- Attachment #2: signature.asc --] [-- Type: application/pgp-signature, Size: 800 bytes --] ^ permalink raw reply [flat|nested] 27+ messages in thread
[parent not found: <87bmzzr1bg.fsf-omZaPlIz5HhaEpDpdNBo/KxOck334EZe@public.gmane.org>]
* Re: [PATCH 1/8] ARM: dts: bcm283x: Define standard pinctrl groups in the gpio node. [not found] ` <87bmzzr1bg.fsf-omZaPlIz5HhaEpDpdNBo/KxOck334EZe@public.gmane.org> @ 2016-09-08 7:48 ` Gerd Hoffmann 0 siblings, 0 replies; 27+ messages in thread From: Gerd Hoffmann @ 2016-09-08 7:48 UTC (permalink / raw) To: Eric Anholt Cc: Stefan Wahren, linux-rpi-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, devicetree-u79uwXL29TY76Z2rM5mHXA, Scott Branden, Ray Jui, Russell King, open list, Rob Herring, bcm-kernel-feedback-list-dY08KVG/lbpWk0Htik3J/w, swarren-3lzwWm7+Weoh9ZMKESR00Q, Mark Rutland, Florian Fainelli On Mi, 2016-09-07 at 11:50 -0700, Eric Anholt wrote: > Stefan Wahren <stefan.wahren-eS4NqCHxEME@public.gmane.org> writes: > > > Hi Gerd, > > > >> Gerd Hoffmann <kraxel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> hat am 7. September 2016 um 12:31 > >> geschrieben: > >> > >> > >> From: Eric Anholt <eric-WhKQ6XTQaPysTnJN9+BGXg@public.gmane.org> > >> > >> The BCM2835-ARM-Peripherals.pdf documentation specifies what the > >> function selects do for the pins, and there are a bunch of obvious > >> groupings to be made. With these created, we'll be able to replace > >> bcm2835-rpi.dtsi's main "set all of these pins to alt0" with > >> references to specific groups we want enabled. > > > > on IMX/MXS platform it's unwanted to add all possible muxes in the dtsi file. So > > i would suggest to add only the actually used muxes. That makes it easier to > > maintain. > > On the other hand, I find that having to go back to the docs for > determining the fsels is worse than just verifying and defining them > here all at once. Agreeing here. IMO it is nice to have them all even if unused for documentation purposes. > Maintaining has also gotten harder because our DTs > are split across 32 and 64-bit ARM, so rpi3 changes that require adding > one of these pinmux definitions back to the dtsi would require painful > cross-branch merges. It'll also easily cause merge conflicts. cheers, Gerd -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 27+ messages in thread
* Re: [PATCH 1/8] ARM: dts: bcm283x: Define standard pinctrl groups in the gpio node. [not found] ` <1473244289-20728-2-git-send-email-kraxel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2016-09-07 18:09 ` Stefan Wahren @ 2016-09-08 17:55 ` Stefan Wahren [not found] ` <1628308726.55593.220fafc0-57d9-4317-a72d-0875dfb2d658.open-xchange-7tX72C7vayboQLBSYMtkGA@public.gmane.org> 1 sibling, 1 reply; 27+ messages in thread From: Stefan Wahren @ 2016-09-08 17:55 UTC (permalink / raw) To: Gerd Hoffmann, linux-rpi-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, devicetree-u79uwXL29TY76Z2rM5mHXA Cc: Scott Branden, Ray Jui, Russell King, open list, Rob Herring, bcm-kernel-feedback-list-dY08KVG/lbpWk0Htik3J/w, Mark Rutland, Florian Fainelli Hi Gerd, > Gerd Hoffmann <kraxel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> hat am 7. September 2016 um 12:31 > geschrieben: > > > From: Eric Anholt <eric-WhKQ6XTQaPysTnJN9+BGXg@public.gmane.org> > > The BCM2835-ARM-Peripherals.pdf documentation specifies what the > function selects do for the pins, and there are a bunch of obvious > groupings to be made. With these created, we'll be able to replace > bcm2835-rpi.dtsi's main "set all of these pins to alt0" with > references to specific groups we want enabled. > > Signed-off-by: Eric Anholt <eric-WhKQ6XTQaPysTnJN9+BGXg@public.gmane.org> > --- > arch/arm/boot/dts/bcm283x.dtsi | 170 > +++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 170 insertions(+) > > diff --git a/arch/arm/boot/dts/bcm283x.dtsi b/arch/arm/boot/dts/bcm283x.dtsi > index 4d9f3ab..acb616f 100644 > --- a/arch/arm/boot/dts/bcm283x.dtsi > +++ b/arch/arm/boot/dts/bcm283x.dtsi > @@ -131,6 +131,176 @@ > > interrupt-controller; > #interrupt-cells = <2>; > + > + /* Defines pin muxing groups according to > + * BCM2835-ARM-Peripherals.pdf page 102. > + * > + * While each pin can have its mux selected > + * for various functions individually, some > + * groups only make sense to switch to a > + * particular function together. > + */ > ... > + i2c0_gpio32: i2c0_gpio32 { > + brcm,pins = <32 34>; > + brcm,function = <BCM2835_FSEL_ALT0>; > + }; > + spio0_gpio35: spio0_gpio35 { > + brcm,pins = <35 36 37 38 39>; > + brcm,function = <BCM2835_FSEL_ALT0>; > + }; s/spio0/spi0 > + pwm0_gpio40: pwm0_gpio40 { > + brcm,pins = <40>; > + brcm,function = <BCM2835_FSEL_ALT0>; > + }; > ... > + uart1_ctsrts_gpio42: uart1_ctsrts_gpio42 { > + brcm,pins = <42 43>; > + brcm,function = <BCM2835_FSEL_ALT5>; > + }; Please sort all pinctrl nodes by label. According to this page [1] the pinctrl group for parallel display interface is missing. Is it intended? [1] - http://elinux.org/RPi_BCM2835_GPIOs > }; > > uart0: serial@7e201000 { > -- > 1.8.3.1 > > > _______________________________________________ > linux-rpi-kernel mailing list > linux-rpi-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org > http://lists.infradead.org/mailman/listinfo/linux-rpi-kernel -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 27+ messages in thread
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* Re: [PATCH 1/8] ARM: dts: bcm283x: Define standard pinctrl groups in the gpio node. [not found] ` <1628308726.55593.220fafc0-57d9-4317-a72d-0875dfb2d658.open-xchange-7tX72C7vayboQLBSYMtkGA@public.gmane.org> @ 2016-09-09 9:05 ` Gerd Hoffmann [not found] ` <1473411924.6698.85.camel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 0 siblings, 1 reply; 27+ messages in thread From: Gerd Hoffmann @ 2016-09-09 9:05 UTC (permalink / raw) To: Stefan Wahren Cc: linux-rpi-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, devicetree-u79uwXL29TY76Z2rM5mHXA, Scott Branden, Ray Jui, Russell King, open list, Rob Herring, bcm-kernel-feedback-list-dY08KVG/lbpWk0Htik3J/w, Mark Rutland, Florian Fainelli Hi, > According to this page [1] the pinctrl group for parallel display interface is > missing. Is it intended? > > [1] - http://elinux.org/RPi_BCM2835_GPIOs Just an oversight I guess. Eric? Does this look correct? + dpi_gpio4: dpi_gpio4 { + brcm,pins = <4 5 6 7 8 9 10 11 12 13 + 14 15 16 17 18 19 20 21 + 22 23 24 25 26 27>; + brcm,function = <BCM2835_FSEL_ALT2>; + }; thanks, Gerd -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 27+ messages in thread
[parent not found: <1473411924.6698.85.camel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>]
* Re: [PATCH 1/8] ARM: dts: bcm283x: Define standard pinctrl groups in the gpio node. [not found] ` <1473411924.6698.85.camel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> @ 2016-09-09 14:12 ` Stefan Wahren 2016-09-09 21:20 ` Eric Anholt 1 sibling, 0 replies; 27+ messages in thread From: Stefan Wahren @ 2016-09-09 14:12 UTC (permalink / raw) To: Gerd Hoffmann Cc: Mark Rutland, devicetree-u79uwXL29TY76Z2rM5mHXA, Florian Fainelli, Scott Branden, Ray Jui, Russell King, open list, Rob Herring, bcm-kernel-feedback-list-dY08KVG/lbpWk0Htik3J/w, linux-rpi-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r Am 09.09.2016 um 11:05 schrieb Gerd Hoffmann: > Hi, > >> According to this page [1] the pinctrl group for parallel display interface is >> missing. Is it intended? >> >> [1] - http://elinux.org/RPi_BCM2835_GPIOs > Just an oversight I guess. Eric? > > Does this look correct? > > + dpi_gpio4: dpi_gpio4 { > + brcm,pins = <4 5 6 7 8 9 10 11 12 13 > + 14 15 16 17 18 19 20 21 > + 22 23 24 25 26 27>; > + brcm,function = <BCM2835_FSEL_ALT2>; > + }; According to the wiki and the website [1] it starts at gpio 0 [1] - https://www.raspberrypi.org/documentation/hardware/raspberrypi/dpi/README.md > > thanks, > Gerd > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 27+ messages in thread
* Re: [PATCH 1/8] ARM: dts: bcm283x: Define standard pinctrl groups in the gpio node. [not found] ` <1473411924.6698.85.camel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2016-09-09 14:12 ` Stefan Wahren @ 2016-09-09 21:20 ` Eric Anholt 2016-09-11 21:22 ` Dave Stevenson 1 sibling, 1 reply; 27+ messages in thread From: Eric Anholt @ 2016-09-09 21:20 UTC (permalink / raw) To: Gerd Hoffmann, Stefan Wahren Cc: linux-rpi-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, devicetree-u79uwXL29TY76Z2rM5mHXA, Scott Branden, Ray Jui, Russell King, open list, Rob Herring, bcm-kernel-feedback-list-dY08KVG/lbpWk0Htik3J/w, Mark Rutland, Florian Fainelli e<#secure method=pgpmime mode=sign> Gerd Hoffmann <kraxel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> writes: > Hi, > >> According to this page [1] the pinctrl group for parallel display interface is >> missing. Is it intended? >> >> [1] - http://elinux.org/RPi_BCM2835_GPIOs > > Just an oversight I guess. Eric? > > Does this look correct? > > + dpi_gpio4: dpi_gpio4 { > + brcm,pins = <4 5 6 7 8 9 10 11 12 13 > + 14 15 16 17 18 19 20 21 > + 22 23 24 25 26 27>; > + brcm,function = <BCM2835_FSEL_ALT2>; > + }; For DPI, you also need pins 0-3 in there for clock and syncs. That set of data pins would be for a 24-bit mode, which is what we should be using for the Adafruit kippah + 7" panel combo. -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 27+ messages in thread
* Re: [PATCH 1/8] ARM: dts: bcm283x: Define standard pinctrl groups in the gpio node. 2016-09-09 21:20 ` Eric Anholt @ 2016-09-11 21:22 ` Dave Stevenson 2016-09-13 6:09 ` Eric Anholt 0 siblings, 1 reply; 27+ messages in thread From: Dave Stevenson @ 2016-09-11 21:22 UTC (permalink / raw) To: Eric Anholt, Gerd Hoffmann, Stefan Wahren Cc: Mark Rutland, devicetree, Florian Fainelli, Scott Branden, Ray Jui, Russell King, open list, Rob Herring, bcm-kernel-feedback-list, linux-rpi-kernel, linux-arm-kernel On 09/09/16 22:20, Eric Anholt wrote: > e<#secure method=pgpmime mode=sign> > Gerd Hoffmann <kraxel@redhat.com> writes: > >> Hi, >> >>> According to this page [1] the pinctrl group for parallel display interface is >>> missing. Is it intended? >>> >>> [1] - http://elinux.org/RPi_BCM2835_GPIOs >> Just an oversight I guess. Eric? >> >> Does this look correct? >> >> + dpi_gpio4: dpi_gpio4 { >> + brcm,pins = <4 5 6 7 8 9 10 11 12 13 >> + 14 15 16 17 18 19 20 21 >> + 22 23 24 25 26 27>; >> + brcm,function = <BCM2835_FSEL_ALT2>; >> + }; > For DPI, you also need pins 0-3 in there for clock and syncs. > > That set of data pins would be for a 24-bit mode, which is what we > should be using for the Adafruit kippah + 7" panel combo. The Kippah is only 18bit, RGB666. https://www.adafruit.com/products/2454 "The pins used are GPIO 2 through 21 inclusive. That means you don't get the UART RX/TX pins (no console cable) and you don't get the standard user I2C pins, the EEPROM I2C pins, or hardware SPI pins. You do get to use pins #22, #23, #24, #25, #26 and #27, and the USB ports are fine to use too." On the forum there are some that report they have used DPI in RGB888, but they're not using the Kippah. I had mentioned this to Phil E that there should be a dpi18 overlay, but not got around to sorting that. > > _______________________________________________ > linux-rpi-kernel mailing list > linux-rpi-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-rpi-kernel > ^ permalink raw reply [flat|nested] 27+ messages in thread
* Re: [PATCH 1/8] ARM: dts: bcm283x: Define standard pinctrl groups in the gpio node. 2016-09-11 21:22 ` Dave Stevenson @ 2016-09-13 6:09 ` Eric Anholt 0 siblings, 0 replies; 27+ messages in thread From: Eric Anholt @ 2016-09-13 6:09 UTC (permalink / raw) To: Dave Stevenson, Gerd Hoffmann, Stefan Wahren Cc: Mark Rutland, devicetree, Florian Fainelli, Scott Branden, Ray Jui, Russell King, open list, Rob Herring, bcm-kernel-feedback-list, linux-rpi-kernel, linux-arm-kernel [-- Attachment #1: Type: text/plain, Size: 1622 bytes --] Dave Stevenson <linux-rpi-kernel@destevenson.freeserve.co.uk> writes: > On 09/09/16 22:20, Eric Anholt wrote: >> e<#secure method=pgpmime mode=sign> >> Gerd Hoffmann <kraxel@redhat.com> writes: >> >>> Hi, >>> >>>> According to this page [1] the pinctrl group for parallel display interface is >>>> missing. Is it intended? >>>> >>>> [1] - http://elinux.org/RPi_BCM2835_GPIOs >>> Just an oversight I guess. Eric? >>> >>> Does this look correct? >>> >>> + dpi_gpio4: dpi_gpio4 { >>> + brcm,pins = <4 5 6 7 8 9 10 11 12 13 >>> + 14 15 16 17 18 19 20 21 >>> + 22 23 24 25 26 27>; >>> + brcm,function = <BCM2835_FSEL_ALT2>; >>> + }; >> For DPI, you also need pins 0-3 in there for clock and syncs. >> >> That set of data pins would be for a 24-bit mode, which is what we >> should be using for the Adafruit kippah + 7" panel combo. > The Kippah is only 18bit, RGB666. > https://www.adafruit.com/products/2454 > "The pins used are GPIO 2 through 21 inclusive. That means you don't get > the UART RX/TX pins (no console cable) and you don't get the standard > user I2C pins, the EEPROM I2C pins, or hardware SPI pins. You do get to > use pins #22, #23, #24, #25, #26 and #27, and the USB ports are fine to > use too." I was confused because my pinctrl was set up for 18, but the panel driver for it is set up for 24. It looks like 18 is right, so I should probably correct the panel driver. [-- Attachment #2: signature.asc --] [-- Type: application/pgp-signature, Size: 800 bytes --] ^ permalink raw reply [flat|nested] 27+ messages in thread
* [PATCH 2/8] ARM: dts: bcm283x: Add the emmc pin group to bcm283x.dtsi. 2016-09-07 10:31 [PATCH 0/8] ARM: dts: bcm283x: add and use pinctrl groups Gerd Hoffmann 2016-09-07 10:31 ` [PATCH 1/8] ARM: dts: bcm283x: Define standard pinctrl groups in the gpio node Gerd Hoffmann @ 2016-09-07 10:31 ` Gerd Hoffmann 2016-09-07 10:31 ` [PATCH 3/8] ARM: dts: bcm283x: Add a group for mapping pins 48-53 to sdhost Gerd Hoffmann ` (4 subsequent siblings) 6 siblings, 0 replies; 27+ messages in thread From: Gerd Hoffmann @ 2016-09-07 10:31 UTC (permalink / raw) To: linux-rpi-kernel, devicetree, linux-arm-kernel Cc: eric, swarren, bcm-kernel-feedback-list, Gerd Hoffmann, Rob Herring, Mark Rutland, Russell King, Florian Fainelli, Ray Jui, Scott Branden, open list Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> --- arch/arm/boot/dts/bcm283x.dtsi | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm/boot/dts/bcm283x.dtsi b/arch/arm/boot/dts/bcm283x.dtsi index acb616f..164d962 100644 --- a/arch/arm/boot/dts/bcm283x.dtsi +++ b/arch/arm/boot/dts/bcm283x.dtsi @@ -253,6 +253,10 @@ brcm,pins = <32 33>; brcm,function = <BCM2835_FSEL_ALT3>; }; + emmc_gpio48: emmc_gpio48 { + brcm,pins = <48 49 50 51 52 53>; + brcm,function = <BCM2835_FSEL_ALT3>; + }; spi1_gpio16: spi1_gpio16 { brcm,pins = <16 17 18 19 20 21>; brcm,function = <BCM2835_FSEL_ALT4>; -- 1.8.3.1 ^ permalink raw reply related [flat|nested] 27+ messages in thread
* [PATCH 3/8] ARM: dts: bcm283x: Add a group for mapping pins 48-53 to sdhost. 2016-09-07 10:31 [PATCH 0/8] ARM: dts: bcm283x: add and use pinctrl groups Gerd Hoffmann 2016-09-07 10:31 ` [PATCH 1/8] ARM: dts: bcm283x: Define standard pinctrl groups in the gpio node Gerd Hoffmann 2016-09-07 10:31 ` [PATCH 2/8] ARM: dts: bcm283x: Add the emmc pin group to bcm283x.dtsi Gerd Hoffmann @ 2016-09-07 10:31 ` Gerd Hoffmann [not found] ` <1473244289-20728-1-git-send-email-kraxel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> ` (3 subsequent siblings) 6 siblings, 0 replies; 27+ messages in thread From: Gerd Hoffmann @ 2016-09-07 10:31 UTC (permalink / raw) To: linux-rpi-kernel, devicetree, linux-arm-kernel Cc: eric, swarren, bcm-kernel-feedback-list, Rob Herring, Mark Rutland, Russell King, Florian Fainelli, Ray Jui, Scott Branden, open list From: Eric Anholt <eric@anholt.net> This pin group definition comes from downstream. We don't have a driver for sdhost integrated yet, but they've been experimenting with it and it sounds useful to bring over. Signed-off-by: Eric Anholt <eric@anholt.net> --- arch/arm/boot/dts/bcm283x.dtsi | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm/boot/dts/bcm283x.dtsi b/arch/arm/boot/dts/bcm283x.dtsi index 164d962..062d09db 100644 --- a/arch/arm/boot/dts/bcm283x.dtsi +++ b/arch/arm/boot/dts/bcm283x.dtsi @@ -212,6 +212,10 @@ brcm,pins = <45>; brcm,function = <BCM2835_FSEL_ALT0>; }; + sdhost_gpio48: sdhost_gpio48 { + brcm,pins = <48 49 50 51 52 53>; + brcm,function = <BCM2835_FSEL_ALT0>; + }; i2c0_gpio44: i2c0_gpio44 { brcm,pins = <44 45>; brcm,function = <BCM2835_FSEL_ALT1>; -- 1.8.3.1 ^ permalink raw reply related [flat|nested] 27+ messages in thread
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* [PATCH 4/8] ARM: dts: bcm283x: Add a new EMMC pin group from the downstream tree. [not found] ` <1473244289-20728-1-git-send-email-kraxel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> @ 2016-09-07 10:31 ` Gerd Hoffmann 2016-09-07 18:13 ` Stefan Wahren 2016-09-07 10:31 ` [PATCH 6/8] ARM: dts: bcm283x: add pinctrl group to &i2c0, drop pins from &gpio Gerd Hoffmann 1 sibling, 1 reply; 27+ messages in thread From: Gerd Hoffmann @ 2016-09-07 10:31 UTC (permalink / raw) To: linux-rpi-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, devicetree-u79uwXL29TY76Z2rM5mHXA, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r Cc: eric-WhKQ6XTQaPysTnJN9+BGXg, swarren-3lzwWm7+Weoh9ZMKESR00Q, bcm-kernel-feedback-list-dY08KVG/lbpWk0Htik3J/w, Rob Herring, Mark Rutland, Russell King, Florian Fainelli, Ray Jui, Scott Branden, open list From: Eric Anholt <eric-WhKQ6XTQaPysTnJN9+BGXg@public.gmane.org> This will be used for having EMMC (sdhci-bcm2835.c) drive the wireless. Signed-off-by: Eric Anholt <eric-WhKQ6XTQaPysTnJN9+BGXg@public.gmane.org> --- arch/arm/boot/dts/bcm283x.dtsi | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm/boot/dts/bcm283x.dtsi b/arch/arm/boot/dts/bcm283x.dtsi index 062d09db..b6b1950 100644 --- a/arch/arm/boot/dts/bcm283x.dtsi +++ b/arch/arm/boot/dts/bcm283x.dtsi @@ -257,6 +257,11 @@ brcm,pins = <32 33>; brcm,function = <BCM2835_FSEL_ALT3>; }; + emmc_gpio34: emmc_gpio34 { + brcm,pins = <34 35 36 37 38 39>; + brcm,function = <BCM2835_FSEL_ALT3>; + brcm,pull = <0 2 2 2 2 2>; + }; emmc_gpio48: emmc_gpio48 { brcm,pins = <48 49 50 51 52 53>; brcm,function = <BCM2835_FSEL_ALT3>; -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply related [flat|nested] 27+ messages in thread
* Re: [PATCH 4/8] ARM: dts: bcm283x: Add a new EMMC pin group from the downstream tree. 2016-09-07 10:31 ` [PATCH 4/8] ARM: dts: bcm283x: Add a new EMMC pin group from the downstream tree Gerd Hoffmann @ 2016-09-07 18:13 ` Stefan Wahren 2016-09-08 7:44 ` Gerd Hoffmann 2016-09-09 21:22 ` Eric Anholt 0 siblings, 2 replies; 27+ messages in thread From: Stefan Wahren @ 2016-09-07 18:13 UTC (permalink / raw) To: Gerd Hoffmann, linux-rpi-kernel, linux-arm-kernel, devicetree Cc: Scott Branden, Ray Jui, Russell King, open list, Rob Herring, bcm-kernel-feedback-list, Mark Rutland, Florian Fainelli > Gerd Hoffmann <kraxel@redhat.com> hat am 7. September 2016 um 12:31 > geschrieben: > > > From: Eric Anholt <eric@anholt.net> > > This will be used for having EMMC (sdhci-bcm2835.c) drive the > wireless. sdhci-bcm2835.c has been replaced by sdhci-iproc.c > > Signed-off-by: Eric Anholt <eric@anholt.net> > --- > arch/arm/boot/dts/bcm283x.dtsi | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/arch/arm/boot/dts/bcm283x.dtsi b/arch/arm/boot/dts/bcm283x.dtsi > index 062d09db..b6b1950 100644 > --- a/arch/arm/boot/dts/bcm283x.dtsi > +++ b/arch/arm/boot/dts/bcm283x.dtsi > @@ -257,6 +257,11 @@ > brcm,pins = <32 33>; > brcm,function = <BCM2835_FSEL_ALT3>; > }; > + emmc_gpio34: emmc_gpio34 { > + brcm,pins = <34 35 36 37 38 39>; > + brcm,function = <BCM2835_FSEL_ALT3>; > + brcm,pull = <0 2 2 2 2 2>; How about adding pull defines to include/dt-bindings/pinctrl/bcm2835.h? > + }; > emmc_gpio48: emmc_gpio48 { > brcm,pins = <48 49 50 51 52 53>; > brcm,function = <BCM2835_FSEL_ALT3>; > -- > 1.8.3.1 > > > _______________________________________________ > linux-rpi-kernel mailing list > linux-rpi-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-rpi-kernel ^ permalink raw reply [flat|nested] 27+ messages in thread
* Re: [PATCH 4/8] ARM: dts: bcm283x: Add a new EMMC pin group from the downstream tree. 2016-09-07 18:13 ` Stefan Wahren @ 2016-09-08 7:44 ` Gerd Hoffmann 2016-09-08 12:06 ` Stefan Wahren [not found] ` <1473320687.6698.25.camel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2016-09-09 21:22 ` Eric Anholt 1 sibling, 2 replies; 27+ messages in thread From: Gerd Hoffmann @ 2016-09-08 7:44 UTC (permalink / raw) To: Stefan Wahren Cc: linux-rpi-kernel, linux-arm-kernel, devicetree, Scott Branden, Ray Jui, Russell King, open list, Rob Herring, bcm-kernel-feedback-list, Mark Rutland, Florian Fainelli On Mi, 2016-09-07 at 20:13 +0200, Stefan Wahren wrote: > > Gerd Hoffmann <kraxel@redhat.com> hat am 7. September 2016 um 12:31 > > geschrieben: > > > > > > From: Eric Anholt <eric@anholt.net> > > > > This will be used for having EMMC (sdhci-bcm2835.c) drive the > > wireless. > > sdhci-bcm2835.c has been replaced by sdhci-iproc.c Ah, right, I'll update the commit msg for v2. > How about adding pull defines to include/dt-bindings/pinctrl/bcm2835.h? Already there (or do you mean something other than '#define BCM2835_FSEL_*' ?) cheers, Gerd ^ permalink raw reply [flat|nested] 27+ messages in thread
* Re: [PATCH 4/8] ARM: dts: bcm283x: Add a new EMMC pin group from the downstream tree. 2016-09-08 7:44 ` Gerd Hoffmann @ 2016-09-08 12:06 ` Stefan Wahren 2016-09-09 8:26 ` Gerd Hoffmann [not found] ` <1473320687.6698.25.camel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 1 sibling, 1 reply; 27+ messages in thread From: Stefan Wahren @ 2016-09-08 12:06 UTC (permalink / raw) To: Gerd Hoffmann Cc: Mark Rutland, devicetree, Florian Fainelli, Scott Branden, Ray Jui, Russell King, open list, Rob Herring, bcm-kernel-feedback-list, linux-rpi-kernel, linux-arm-kernel Am 08.09.2016 um 09:44 schrieb Gerd Hoffmann: > On Mi, 2016-09-07 at 20:13 +0200, Stefan Wahren wrote: >>> Gerd Hoffmann <kraxel@redhat.com> hat am 7. September 2016 um 12:31 >>> geschrieben: >>> >>> >>> From: Eric Anholt <eric@anholt.net> >>> >>> This will be used for having EMMC (sdhci-bcm2835.c) drive the >>> wireless. >> sdhci-bcm2835.c has been replaced by sdhci-iproc.c > Ah, right, I'll update the commit msg for v2. > >> How about adding pull defines to include/dt-bindings/pinctrl/bcm2835.h? > Already there (or do you mean something other than '#define > BCM2835_FSEL_*' ?) No, i thought of the GPIO pull up/down register values: BCM2835_PUD_OFF 0 BCM2835_PUD_DOWN 1 BCM2835_PUD_UP 2 > > cheers, > Gerd > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel ^ permalink raw reply [flat|nested] 27+ messages in thread
* Re: [PATCH 4/8] ARM: dts: bcm283x: Add a new EMMC pin group from the downstream tree. 2016-09-08 12:06 ` Stefan Wahren @ 2016-09-09 8:26 ` Gerd Hoffmann [not found] ` <1473409591.6698.81.camel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 0 siblings, 1 reply; 27+ messages in thread From: Gerd Hoffmann @ 2016-09-09 8:26 UTC (permalink / raw) To: Stefan Wahren Cc: Mark Rutland, devicetree, Florian Fainelli, Scott Branden, Ray Jui, Russell King, open list, Rob Herring, bcm-kernel-feedback-list, linux-rpi-kernel, linux-arm-kernel Hi, > No, i thought of the GPIO pull up/down register values: > > BCM2835_PUD_OFF 0 > BCM2835_PUD_DOWN 1 > BCM2835_PUD_UP 2 We can do that, sure (and probably drop the unused "enum bcm2835_pinconf_pull" from drivers/pinctrl/bcm/pinctrl-bcm2835.c at the same time). But I fail to see how this is related to the patch discussed, looks like a independent issue to me ... cheers, Gerd ^ permalink raw reply [flat|nested] 27+ messages in thread
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* Re: [PATCH 4/8] ARM: dts: bcm283x: Add a new EMMC pin group from the downstream tree. [not found] ` <1473409591.6698.81.camel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> @ 2016-09-09 8:47 ` Gerd Hoffmann 0 siblings, 0 replies; 27+ messages in thread From: Gerd Hoffmann @ 2016-09-09 8:47 UTC (permalink / raw) To: Stefan Wahren Cc: Mark Rutland, devicetree-u79uwXL29TY76Z2rM5mHXA, Florian Fainelli, Scott Branden, Ray Jui, Russell King, open list, Rob Herring, bcm-kernel-feedback-list-dY08KVG/lbpWk0Htik3J/w, linux-rpi-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r On Fr, 2016-09-09 at 10:26 +0200, Gerd Hoffmann wrote: > Hi, > > > No, i thought of the GPIO pull up/down register values: > > > > BCM2835_PUD_OFF 0 > > BCM2835_PUD_DOWN 1 > > BCM2835_PUD_UP 2 > > We can do that, sure (and probably drop the unused "enum > bcm2835_pinconf_pull" from drivers/pinctrl/bcm/pinctrl-bcm2835.c at the > same time). > > But I fail to see how this is related to the patch discussed, looks like > a independent issue to me ... Oops, noticed that emmc_gpio34 uses them while ordering all the entries. cheers, Gerd -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 27+ messages in thread
[parent not found: <1473320687.6698.25.camel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>]
* Re: [PATCH 4/8] ARM: dts: bcm283x: Add a new EMMC pin group from the downstream tree. [not found] ` <1473320687.6698.25.camel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> @ 2016-09-08 19:50 ` Scott Branden [not found] ` <373fe61a-61d4-164e-0760-d68a0c4925dd-dY08KVG/lbpWk0Htik3J/w@public.gmane.org> 0 siblings, 1 reply; 27+ messages in thread From: Scott Branden @ 2016-09-08 19:50 UTC (permalink / raw) To: Gerd Hoffmann, Stefan Wahren Cc: linux-rpi-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, devicetree-u79uwXL29TY76Z2rM5mHXA, Scott Branden, Ray Jui, Russell King, open list, Rob Herring, bcm-kernel-feedback-list-dY08KVG/lbpWk0Htik3J/w, Mark Rutland, Florian Fainelli Hi Gerd/Eric On 16-09-08 12:44 AM, Gerd Hoffmann wrote: > On Mi, 2016-09-07 at 20:13 +0200, Stefan Wahren wrote: >>> Gerd Hoffmann <kraxel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> hat am 7. September 2016 um 12:31 >>> geschrieben: >>> >>> >>> From: Eric Anholt <eric-WhKQ6XTQaPysTnJN9+BGXg@public.gmane.org> >>> >>> This will be used for having EMMC (sdhci-bcm2835.c) drive the >>> wireless. >> >> sdhci-bcm2835.c has been replaced by sdhci-iproc.c > > Ah, right, I'll update the commit msg for v2. > Should we entirely remove sdhci-bcm2835.c to reduce confusion going forward? >> How about adding pull defines to include/dt-bindings/pinctrl/bcm2835.h? > > Already there (or do you mean something other than '#define > BCM2835_FSEL_*' ?) > > cheers, > Gerd > Thanks, Scott -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 27+ messages in thread
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* Re: [PATCH 4/8] ARM: dts: bcm283x: Add a new EMMC pin group from the downstream tree. [not found] ` <373fe61a-61d4-164e-0760-d68a0c4925dd-dY08KVG/lbpWk0Htik3J/w@public.gmane.org> @ 2016-09-09 6:58 ` Stefan Wahren [not found] ` <e61a4efa-3685-6694-5fda-3272f6605665-eS4NqCHxEME@public.gmane.org> 0 siblings, 1 reply; 27+ messages in thread From: Stefan Wahren @ 2016-09-09 6:58 UTC (permalink / raw) To: Scott Branden, Gerd Hoffmann Cc: linux-rpi-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, devicetree-u79uwXL29TY76Z2rM5mHXA, Scott Branden, Ray Jui, Russell King, open list, Rob Herring, bcm-kernel-feedback-list-dY08KVG/lbpWk0Htik3J/w, Mark Rutland, Florian Fainelli Hi Scott, Am 08.09.2016 um 21:50 schrieb Scott Branden: > Hi Gerd/Eric > > On 16-09-08 12:44 AM, Gerd Hoffmann wrote: >> On Mi, 2016-09-07 at 20:13 +0200, Stefan Wahren wrote: >>>> Gerd Hoffmann <kraxel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> hat am 7. September 2016 um 12:31 >>>> geschrieben: >>>> >>>> >>>> From: Eric Anholt <eric-WhKQ6XTQaPysTnJN9+BGXg@public.gmane.org> >>>> >>>> This will be used for having EMMC (sdhci-bcm2835.c) drive the >>>> wireless. >>> >>> sdhci-bcm2835.c has been replaced by sdhci-iproc.c >> >> Ah, right, I'll update the commit msg for v2. >> > Should we entirely remove sdhci-bcm2835.c to reduce confusion going > forward? did i missed something? https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=46cd175c9788e39a1c57698ab58f34844d216428 https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7eb16493ecaa41ceeb448717ee2c59690cd9047f > >>> How about adding pull defines to include/dt-bindings/pinctrl/bcm2835.h? >> >> Already there (or do you mean something other than '#define >> BCM2835_FSEL_*' ?) >> >> cheers, >> Gerd >> > > Thanks, > Scott -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 27+ messages in thread
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* Re: [PATCH 4/8] ARM: dts: bcm283x: Add a new EMMC pin group from the downstream tree. [not found] ` <e61a4efa-3685-6694-5fda-3272f6605665-eS4NqCHxEME@public.gmane.org> @ 2016-09-09 16:37 ` Scott Branden 0 siblings, 0 replies; 27+ messages in thread From: Scott Branden @ 2016-09-09 16:37 UTC (permalink / raw) To: Stefan Wahren, Gerd Hoffmann Cc: linux-rpi-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, devicetree-u79uwXL29TY76Z2rM5mHXA, Scott Branden, Ray Jui, Russell King, open list, Rob Herring, bcm-kernel-feedback-list-dY08KVG/lbpWk0Htik3J/w, Mark Rutland, Florian Fainelli Hi Stefan, On 16-09-08 11:58 PM, Stefan Wahren wrote: > Hi Scott, > > Am 08.09.2016 um 21:50 schrieb Scott Branden: >> Hi Gerd/Eric >> >> On 16-09-08 12:44 AM, Gerd Hoffmann wrote: >>> On Mi, 2016-09-07 at 20:13 +0200, Stefan Wahren wrote: >>>>> Gerd Hoffmann <kraxel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> hat am 7. September 2016 um 12:31 >>>>> geschrieben: >>>>> >>>>> >>>>> From: Eric Anholt <eric-WhKQ6XTQaPysTnJN9+BGXg@public.gmane.org> >>>>> >>>>> This will be used for having EMMC (sdhci-bcm2835.c) drive the >>>>> wireless. >>>> >>>> sdhci-bcm2835.c has been replaced by sdhci-iproc.c >>> >>> Ah, right, I'll update the commit msg for v2. >>> >> Should we entirely remove sdhci-bcm2835.c to reduce confusion going >> forward? > > did i missed something? No - looks like I did. Everything is cleaned up in latest. > > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=46cd175c9788e39a1c57698ab58f34844d216428 > > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7eb16493ecaa41ceeb448717ee2c59690cd9047f > > >> >>>> How about adding pull defines to include/dt-bindings/pinctrl/bcm2835.h? >>> >>> Already there (or do you mean something other than '#define >>> BCM2835_FSEL_*' ?) >>> >>> cheers, >>> Gerd >>> >> >> Thanks, >> Scott > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 27+ messages in thread
* Re: [PATCH 4/8] ARM: dts: bcm283x: Add a new EMMC pin group from the downstream tree. 2016-09-07 18:13 ` Stefan Wahren 2016-09-08 7:44 ` Gerd Hoffmann @ 2016-09-09 21:22 ` Eric Anholt 1 sibling, 0 replies; 27+ messages in thread From: Eric Anholt @ 2016-09-09 21:22 UTC (permalink / raw) To: Stefan Wahren, Gerd Hoffmann, linux-rpi-kernel, linux-arm-kernel, devicetree Cc: Scott Branden, Ray Jui, Russell King, open list, Rob Herring, bcm-kernel-feedback-list, Mark Rutland, Florian Fainelli [-- Attachment #1: Type: text/plain, Size: 1099 bytes --] Stefan Wahren <stefan.wahren@i2se.com> writes: >> Gerd Hoffmann <kraxel@redhat.com> hat am 7. September 2016 um 12:31 >> geschrieben: >> >> >> From: Eric Anholt <eric@anholt.net> >> >> This will be used for having EMMC (sdhci-bcm2835.c) drive the >> wireless. > > sdhci-bcm2835.c has been replaced by sdhci-iproc.c > >> >> Signed-off-by: Eric Anholt <eric@anholt.net> >> --- >> arch/arm/boot/dts/bcm283x.dtsi | 5 +++++ >> 1 file changed, 5 insertions(+) >> >> diff --git a/arch/arm/boot/dts/bcm283x.dtsi b/arch/arm/boot/dts/bcm283x.dtsi >> index 062d09db..b6b1950 100644 >> --- a/arch/arm/boot/dts/bcm283x.dtsi >> +++ b/arch/arm/boot/dts/bcm283x.dtsi >> @@ -257,6 +257,11 @@ >> brcm,pins = <32 33>; >> brcm,function = <BCM2835_FSEL_ALT3>; >> }; >> + emmc_gpio34: emmc_gpio34 { >> + brcm,pins = <34 35 36 37 38 39>; >> + brcm,function = <BCM2835_FSEL_ALT3>; >> + brcm,pull = <0 2 2 2 2 2>; > > How about adding pull defines to include/dt-bindings/pinctrl/bcm2835.h? A fine idea, but it should not be a requirement for this series. [-- Attachment #2: signature.asc --] [-- Type: application/pgp-signature, Size: 800 bytes --] ^ permalink raw reply [flat|nested] 27+ messages in thread
* [PATCH 6/8] ARM: dts: bcm283x: add pinctrl group to &i2c0, drop pins from &gpio [not found] ` <1473244289-20728-1-git-send-email-kraxel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 2016-09-07 10:31 ` [PATCH 4/8] ARM: dts: bcm283x: Add a new EMMC pin group from the downstream tree Gerd Hoffmann @ 2016-09-07 10:31 ` Gerd Hoffmann 1 sibling, 0 replies; 27+ messages in thread From: Gerd Hoffmann @ 2016-09-07 10:31 UTC (permalink / raw) To: linux-rpi-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, devicetree-u79uwXL29TY76Z2rM5mHXA, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r Cc: eric-WhKQ6XTQaPysTnJN9+BGXg, swarren-3lzwWm7+Weoh9ZMKESR00Q, bcm-kernel-feedback-list-dY08KVG/lbpWk0Htik3J/w, Gerd Hoffmann, Rob Herring, Mark Rutland, Russell King, Lee Jones, Florian Fainelli, Ray Jui, Scott Branden, open list Signed-off-by: Gerd Hoffmann <kraxel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> --- arch/arm/boot/dts/bcm2835-rpi.dtsi | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/bcm2835-rpi.dtsi b/arch/arm/boot/dts/bcm2835-rpi.dtsi index ff62236..b936978 100644 --- a/arch/arm/boot/dts/bcm2835-rpi.dtsi +++ b/arch/arm/boot/dts/bcm2835-rpi.dtsi @@ -38,7 +38,7 @@ }; alt0: alt0 { - brcm,pins = <0 1 2 3 4 5 7 8 9 10 11>; + brcm,pins = <2 3 4 5 7 8 9 10 11>; brcm,function = <BCM2835_FSEL_ALT0>; }; @@ -49,6 +49,8 @@ }; &i2c0 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c0_gpio0>; status = "okay"; clock-frequency = <100000>; }; -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply related [flat|nested] 27+ messages in thread
* [PATCH 5/8] ARM: dts: bcm283x: add pinctrl group to &pwm, drop pins from &gpio 2016-09-07 10:31 [PATCH 0/8] ARM: dts: bcm283x: add and use pinctrl groups Gerd Hoffmann ` (3 preceding siblings ...) [not found] ` <1473244289-20728-1-git-send-email-kraxel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> @ 2016-09-07 10:31 ` Gerd Hoffmann 2016-09-07 10:31 ` [PATCH 7/8] ARM: dts: bcm283x: add pinctrl group to &i2c1, " Gerd Hoffmann 2016-09-07 10:31 ` [PATCH 8/8] ARM: dts: bcm283x: add pinctrl group to &sdhci, " Gerd Hoffmann 6 siblings, 0 replies; 27+ messages in thread From: Gerd Hoffmann @ 2016-09-07 10:31 UTC (permalink / raw) To: linux-rpi-kernel, devicetree, linux-arm-kernel Cc: eric, swarren, bcm-kernel-feedback-list, Gerd Hoffmann, Rob Herring, Mark Rutland, Russell King, Lee Jones, Florian Fainelli, Ray Jui, Scott Branden, open list Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> --- arch/arm/boot/dts/bcm2835-rpi.dtsi | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/bcm2835-rpi.dtsi b/arch/arm/boot/dts/bcm2835-rpi.dtsi index 88bcd0c..ff62236 100644 --- a/arch/arm/boot/dts/bcm2835-rpi.dtsi +++ b/arch/arm/boot/dts/bcm2835-rpi.dtsi @@ -38,7 +38,7 @@ }; alt0: alt0 { - brcm,pins = <0 1 2 3 4 5 7 8 9 10 11 40 45>; + brcm,pins = <0 1 2 3 4 5 7 8 9 10 11>; brcm,function = <BCM2835_FSEL_ALT0>; }; @@ -68,6 +68,8 @@ }; &pwm { + pinctrl-names = "default"; + pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio45>; status = "okay"; }; -- 1.8.3.1 ^ permalink raw reply related [flat|nested] 27+ messages in thread
* [PATCH 7/8] ARM: dts: bcm283x: add pinctrl group to &i2c1, drop pins from &gpio 2016-09-07 10:31 [PATCH 0/8] ARM: dts: bcm283x: add and use pinctrl groups Gerd Hoffmann ` (4 preceding siblings ...) 2016-09-07 10:31 ` [PATCH 5/8] ARM: dts: bcm283x: add pinctrl group to &pwm, " Gerd Hoffmann @ 2016-09-07 10:31 ` Gerd Hoffmann 2016-09-07 10:31 ` [PATCH 8/8] ARM: dts: bcm283x: add pinctrl group to &sdhci, " Gerd Hoffmann 6 siblings, 0 replies; 27+ messages in thread From: Gerd Hoffmann @ 2016-09-07 10:31 UTC (permalink / raw) To: linux-rpi-kernel, devicetree, linux-arm-kernel Cc: Mark Rutland, Florian Fainelli, Scott Branden, swarren, Ray Jui, Lee Jones, Russell King, open list, eric, Rob Herring, bcm-kernel-feedback-list, Gerd Hoffmann Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> --- arch/arm/boot/dts/bcm2835-rpi.dtsi | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/bcm2835-rpi.dtsi b/arch/arm/boot/dts/bcm2835-rpi.dtsi index b936978..8688204 100644 --- a/arch/arm/boot/dts/bcm2835-rpi.dtsi +++ b/arch/arm/boot/dts/bcm2835-rpi.dtsi @@ -38,7 +38,7 @@ }; alt0: alt0 { - brcm,pins = <2 3 4 5 7 8 9 10 11>; + brcm,pins = <4 5 7 8 9 10 11>; brcm,function = <BCM2835_FSEL_ALT0>; }; @@ -56,6 +56,8 @@ }; &i2c1 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c1_gpio2>; status = "okay"; clock-frequency = <100000>; }; -- 1.8.3.1 ^ permalink raw reply related [flat|nested] 27+ messages in thread
* [PATCH 8/8] ARM: dts: bcm283x: add pinctrl group to &sdhci, drop pins from &gpio 2016-09-07 10:31 [PATCH 0/8] ARM: dts: bcm283x: add and use pinctrl groups Gerd Hoffmann ` (5 preceding siblings ...) 2016-09-07 10:31 ` [PATCH 7/8] ARM: dts: bcm283x: add pinctrl group to &i2c1, " Gerd Hoffmann @ 2016-09-07 10:31 ` Gerd Hoffmann 6 siblings, 0 replies; 27+ messages in thread From: Gerd Hoffmann @ 2016-09-07 10:31 UTC (permalink / raw) To: linux-rpi-kernel, devicetree, linux-arm-kernel Cc: eric, swarren, bcm-kernel-feedback-list, Gerd Hoffmann, Rob Herring, Mark Rutland, Russell King, Lee Jones, Florian Fainelli, Ray Jui, Scott Branden, open list Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> --- arch/arm/boot/dts/bcm2835-rpi.dtsi | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/bcm2835-rpi.dtsi b/arch/arm/boot/dts/bcm2835-rpi.dtsi index 8688204..3f0ce61 100644 --- a/arch/arm/boot/dts/bcm2835-rpi.dtsi +++ b/arch/arm/boot/dts/bcm2835-rpi.dtsi @@ -43,7 +43,7 @@ }; alt3: alt3 { - brcm,pins = <48 49 50 51 52 53>; + brcm,pins = <>; brcm,function = <BCM2835_FSEL_ALT3>; }; }; @@ -67,6 +67,8 @@ }; &sdhci { + pinctrl-names = "default"; + pinctrl-0 = <&emmc_gpio48>; status = "okay"; bus-width = <4>; }; -- 1.8.3.1 ^ permalink raw reply related [flat|nested] 27+ messages in thread
end of thread, other threads:[~2016-09-13 6:09 UTC | newest]
Thread overview: 27+ messages (download: mbox.gz follow: Atom feed
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2016-09-07 10:31 [PATCH 0/8] ARM: dts: bcm283x: add and use pinctrl groups Gerd Hoffmann
2016-09-07 10:31 ` [PATCH 1/8] ARM: dts: bcm283x: Define standard pinctrl groups in the gpio node Gerd Hoffmann
[not found] ` <1473244289-20728-2-git-send-email-kraxel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-09-07 18:09 ` Stefan Wahren
2016-09-07 18:50 ` Eric Anholt
[not found] ` <87bmzzr1bg.fsf-omZaPlIz5HhaEpDpdNBo/KxOck334EZe@public.gmane.org>
2016-09-08 7:48 ` Gerd Hoffmann
2016-09-08 17:55 ` Stefan Wahren
[not found] ` <1628308726.55593.220fafc0-57d9-4317-a72d-0875dfb2d658.open-xchange-7tX72C7vayboQLBSYMtkGA@public.gmane.org>
2016-09-09 9:05 ` Gerd Hoffmann
[not found] ` <1473411924.6698.85.camel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-09-09 14:12 ` Stefan Wahren
2016-09-09 21:20 ` Eric Anholt
2016-09-11 21:22 ` Dave Stevenson
2016-09-13 6:09 ` Eric Anholt
2016-09-07 10:31 ` [PATCH 2/8] ARM: dts: bcm283x: Add the emmc pin group to bcm283x.dtsi Gerd Hoffmann
2016-09-07 10:31 ` [PATCH 3/8] ARM: dts: bcm283x: Add a group for mapping pins 48-53 to sdhost Gerd Hoffmann
[not found] ` <1473244289-20728-1-git-send-email-kraxel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-09-07 10:31 ` [PATCH 4/8] ARM: dts: bcm283x: Add a new EMMC pin group from the downstream tree Gerd Hoffmann
2016-09-07 18:13 ` Stefan Wahren
2016-09-08 7:44 ` Gerd Hoffmann
2016-09-08 12:06 ` Stefan Wahren
2016-09-09 8:26 ` Gerd Hoffmann
[not found] ` <1473409591.6698.81.camel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-09-09 8:47 ` Gerd Hoffmann
[not found] ` <1473320687.6698.25.camel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-09-08 19:50 ` Scott Branden
[not found] ` <373fe61a-61d4-164e-0760-d68a0c4925dd-dY08KVG/lbpWk0Htik3J/w@public.gmane.org>
2016-09-09 6:58 ` Stefan Wahren
[not found] ` <e61a4efa-3685-6694-5fda-3272f6605665-eS4NqCHxEME@public.gmane.org>
2016-09-09 16:37 ` Scott Branden
2016-09-09 21:22 ` Eric Anholt
2016-09-07 10:31 ` [PATCH 6/8] ARM: dts: bcm283x: add pinctrl group to &i2c0, drop pins from &gpio Gerd Hoffmann
2016-09-07 10:31 ` [PATCH 5/8] ARM: dts: bcm283x: add pinctrl group to &pwm, " Gerd Hoffmann
2016-09-07 10:31 ` [PATCH 7/8] ARM: dts: bcm283x: add pinctrl group to &i2c1, " Gerd Hoffmann
2016-09-07 10:31 ` [PATCH 8/8] ARM: dts: bcm283x: add pinctrl group to &sdhci, " Gerd Hoffmann
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