[PATCH 00/21] ARM: kirkwood: improve pinmux configs in Device Tree
Jason Cooper
jason at lakedaemon.net
Fri May 24 14:33:10 EDT 2013
On Fri, May 24, 2013 at 11:44:37AM +0200, Thomas Petazzoni wrote:
> Hello,
>
> This series of patches has the goal of adding support for the Init
> button on OpenBlocks A6, but takes this opportunity to do a little bit
> of cleanup in the pinmux configurations of the various Kirkwood Device
> Trees.
>
> Until now, all pinmux configurations were "owned" by the pinctrl
> driver, because back when they were introduced, the driver core was
> not selecting the pinmux configuration, each driver had to do it
> manually (and not all drivers were doing so). Now that the driver core
> selects the default pinmux configuration when available, it makes
> sense to associate the pinmux configuration to the particular device
> it is related to.
>
> It allows pinctrl to show nice informations in debugfs, which
> associates a particular pin with the particular device using it:
>
> # cat pinctrl/f1010000.pinctrl/pinmux-pins
> Pinmux settings per pin
> Format: pin (name): mux_owner gpio_owner hog?
> pin 0 (PIN0): f4000000.nand (GPIO UNCLAIMED) function nand group mpp0
> pin 1 (PIN1): f4000000.nand (GPIO UNCLAIMED) function nand group mpp1
> pin 2 (PIN2): f4000000.nand (GPIO UNCLAIMED) function nand group mpp2
> pin 3 (PIN3): f4000000.nand (GPIO UNCLAIMED) function nand group mpp3
> pin 4 (PIN4): f4000000.nand (GPIO UNCLAIMED) function nand group mpp4
> pin 5 (PIN5): f4000000.nand (GPIO UNCLAIMED) function nand group mpp5
> pin 6 (PIN6): (MUX UNCLAIMED) (GPIO UNCLAIMED)
> pin 7 (PIN7): (MUX UNCLAIMED) (GPIO UNCLAIMED)
> pin 8 (PIN8): f1012100.serial (GPIO UNCLAIMED) function uart1 group mpp8
> pin 9 (PIN9): f1012100.serial (GPIO UNCLAIMED) function uart1 group mpp9
> pin 10 (PIN10): f1012000.serial (GPIO UNCLAIMED) function uart0 group mpp10
> pin 11 (PIN11): f1012000.serial (GPIO UNCLAIMED) function uart0 group mpp11
> pin 12 (PIN12): (MUX UNCLAIMED) (GPIO UNCLAIMED)
> pin 13 (PIN13): f1012100.serial (GPIO UNCLAIMED) function uart1 group mpp13
> pin 14 (PIN14): f1012100.serial (GPIO UNCLAIMED) function uart1 group mpp14
> pin 15 (PIN15): f1012000.serial (GPIO UNCLAIMED) function uart0 group mpp15
> pin 16 (PIN16): f1012000.serial (GPIO UNCLAIMED) function uart0 group mpp16
> pin 17 (PIN17): (MUX UNCLAIMED) (GPIO UNCLAIMED)
> pin 18 (PIN18): f4000000.nand (GPIO UNCLAIMED) function nand group mpp18
> pin 19 (PIN19): f4000000.nand (GPIO UNCLAIMED) function nand group mpp19
> pin 20 (PIN20): f1010000.pinctrl (GPIO UNCLAIMED) (HOG) function gpio group mpp20
> pin 21 (PIN21): f1010000.pinctrl (GPIO UNCLAIMED) (HOG) function gpio group mpp21
> pin 22 (PIN22): f1010000.pinctrl (GPIO UNCLAIMED) (HOG) function gpio group mpp22
> pin 23 (PIN23): f1010000.pinctrl (GPIO UNCLAIMED) (HOG) function gpio group mpp23
> pin 24 (PIN24): f1010000.pinctrl (GPIO UNCLAIMED) (HOG) function gpio group mpp24
> pin 25 (PIN25): f1010000.pinctrl (GPIO UNCLAIMED) (HOG) function gpio group mpp25
> pin 26 (PIN26): f1010000.pinctrl (GPIO UNCLAIMED) (HOG) function gpio group mpp26
> pin 27 (PIN27): f1010000.pinctrl (GPIO UNCLAIMED) (HOG) function gpio group mpp27
> pin 28 (PIN28): f1010000.pinctrl (GPIO UNCLAIMED) (HOG) function gpio group mpp28
> pin 29 (PIN29): f1010000.pinctrl (GPIO UNCLAIMED) (HOG) function gpio group mpp29
> pin 30 (PIN30): f1010000.pinctrl (GPIO UNCLAIMED) (HOG) function gpio group mpp30
> pin 31 (PIN31): f1010000.pinctrl (GPIO UNCLAIMED) (HOG) function gpio group mpp31
> pin 32 (PIN32): (MUX UNCLAIMED) (GPIO UNCLAIMED)
> pin 33 (PIN33): (MUX UNCLAIMED) (GPIO UNCLAIMED)
> pin 34 (PIN34): (MUX UNCLAIMED) (GPIO UNCLAIMED)
> pin 35 (PIN35): (MUX UNCLAIMED) (GPIO UNCLAIMED)
> pin 36 (PIN36): f1011100.i2c (GPIO UNCLAIMED) function twsi1 group mpp36
> pin 37 (PIN37): f1011100.i2c (GPIO UNCLAIMED) function twsi1 group mpp37
> pin 38 (PIN38): gpio_keys.2 mvebu-gpio:38 function gpio group mpp38
> pin 39 (PIN39): (MUX UNCLAIMED) (GPIO UNCLAIMED)
> pin 40 (PIN40): (MUX UNCLAIMED) (GPIO UNCLAIMED)
> pin 41 (PIN41): gpio-leds.1 mvebu-gpio:41 function gpio group mpp41
> pin 42 (PIN42): gpio-leds.1 mvebu-gpio:42 function gpio group mpp42
> pin 43 (PIN43): gpio-leds.1 mvebu-gpio:43 function gpio group mpp43
> pin 44 (PIN44): (MUX UNCLAIMED) (GPIO UNCLAIMED)
> pin 45 (PIN45): (MUX UNCLAIMED) (GPIO UNCLAIMED)
> pin 46 (PIN46): (MUX UNCLAIMED) (GPIO UNCLAIMED)
> pin 47 (PIN47): (MUX UNCLAIMED) (GPIO UNCLAIMED)
> pin 48 (PIN48): (MUX UNCLAIMED) (GPIO UNCLAIMED)
> pin 49 (PIN49): (MUX UNCLAIMED) (GPIO UNCLAIMED)
>
> Without this patch set, all pins appear to be owned by
> "f1010000.pinctrl".
>
> Even though GPIO muxing is automatically done when a device driver
> requests a GPIO, Andrew Lunn and I had agreed to make the pinmuxing
> explicit, in order to have correct informations in debugfs. See our
> discussion at
> http://lists.infradead.org/pipermail/linux-arm-kernel/2013-March/158190.html.
>
> The last patch finally adds support for the init button of the
> Plathome OpenBlocks A6 platform.
>
> Best regards,
>
> Thomas
>
> Thomas Petazzoni (21):
> arm: kirkwood: cloudbox: affect pinmux configs to the right devices
> arm: kirkwood: dlink dns: affect pinmux configs to the right devices
> arm: kirkwood: dockstar: affect pinmux configs to the right devices
> arm: kirkwood: dreamplug: affect pinmux configs to the right devices
> arm: kirkwood: goflexnet: affect pinmux configs to the right devices
> arm: kirkwood: guruplug: affect pinmux configs to the right devices
> arm: kirkwood: ib62x0: affect pinmux configs to the right devices
> arm: kirkwood: iconnect: give meaningful names to pinmux configs
> arm: kirkwood: iconnect: affect pinmux configs to the right devices
> arm: kirkwood: iomega ix2-200: affect pinmux configs to the right
> devices
> arm: kirkwood: ns2: affect pinmux configs to the right devices
> arm: kirkwood: keymile: affect pinmux configs to the right devices
> arm: kirkwood: buffalo linkstation: affect pinmux configs to the
> right devices
> arm: kirkwood: mplcec4: affect pinmux configs to the right devices
> arm: kirkwood: readynas: affect pinmux configs to the right devices
> arm: kirkwood: nsa310: affect pinmux configs to the right devices
> arm: kirkwood: openblocks_a6: affect pinmux configs to the right
> devices
> arm: kirkwood: topkick: affect pinmux configs to the right devices
> arm: kirkwood: ts219: affect pinmux configs to the right devices
> arm: kirkwood: openblocks-a6: group pinmux configurations
> arm: kirkwood: openblocks-a6: add support for Init button
>
> arch/arm/boot/dts/kirkwood-cloudbox.dts | 10 +-
> arch/arm/boot/dts/kirkwood-dns320.dts | 7 ++
> arch/arm/boot/dts/kirkwood-dns325.dts | 5 +
> arch/arm/boot/dts/kirkwood-dnskw.dtsi | 32 +++---
> arch/arm/boot/dts/kirkwood-dockstar.dts | 9 +-
> arch/arm/boot/dts/kirkwood-dreamplug.dts | 11 +-
> arch/arm/boot/dts/kirkwood-goflexnet.dts | 18 ++--
> .../arm/boot/dts/kirkwood-guruplug-server-plus.dts | 8 +-
> arch/arm/boot/dts/kirkwood-ib62x0.dts | 17 +--
> arch/arm/boot/dts/kirkwood-iconnect.dts | 36 +++----
> arch/arm/boot/dts/kirkwood-iomega_ix2_200.dts | 15 +--
> arch/arm/boot/dts/kirkwood-is2.dts | 2 +
> arch/arm/boot/dts/kirkwood-km_kirkwood.dts | 6 +-
> arch/arm/boot/dts/kirkwood-lsxl.dtsi | 22 ++--
> arch/arm/boot/dts/kirkwood-mplcec4.dts | 23 +++--
> .../boot/dts/kirkwood-netgear_readynas_duo_v2.dts | 22 ++--
> arch/arm/boot/dts/kirkwood-ns2-common.dtsi | 10 +-
> arch/arm/boot/dts/kirkwood-ns2.dts | 2 +
> arch/arm/boot/dts/kirkwood-ns2lite.dts | 2 +
> arch/arm/boot/dts/kirkwood-ns2max.dts | 2 +
> arch/arm/boot/dts/kirkwood-ns2mini.dts | 2 +
> arch/arm/boot/dts/kirkwood-nsa310.dts | 29 +++---
> arch/arm/boot/dts/kirkwood-openblocks_a6.dts | 108 ++++++--------------
> arch/arm/boot/dts/kirkwood-topkick.dts | 51 ++++-----
> arch/arm/boot/dts/kirkwood-ts219-6281.dts | 8 +-
> arch/arm/boot/dts/kirkwood-ts219-6282.dts | 8 +-
> arch/arm/boot/dts/kirkwood-ts219.dtsi | 10 ++
> 27 files changed, 235 insertions(+), 240 deletions(-)
Whole series applied to mvebu/dt with one small change, s/affect/move/
on the Subjects.
thx,
Jason.
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