On Fri, Feb 06, 2015 at 04:57:49PM +0100, Thomas Petazzoni wrote:
> This commit adds the Device Tree binding documentation to describe the
> pin-muxing controller of the Marvell Armada 39x processors. Two
> variants are supported for the moment: the 88F6920 (Armada 390) and
> 88F6928 (Armada 398).
>
> Signed-off-by: Thomas Petazzoni <[email protected]>
> ---
> .../pinctrl/marvell,armada-39x-pinctrl.txt | 78
> ++++++++++++++++++++++
> 1 file changed, 78 insertions(+)
> create mode 100644
> Documentation/devicetree/bindings/pinctrl/marvell,armada-39x-pinctrl.txt
>
> diff --git
> a/Documentation/devicetree/bindings/pinctrl/marvell,armada-39x-pinctrl.txt
> b/Documentation/devicetree/bindings/pinctrl/marvell,armada-39x-pinctrl.txt
> new file mode 100644
> index 0000000..5b1a9dc
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pinctrl/marvell,armada-39x-pinctrl.txt
> @@ -0,0 +1,78 @@
> +* Marvell Armada 39x SoC pinctrl driver for mpp
> +
> +Please refer to marvell,mvebu-pinctrl.txt in this directory for common
> binding
> +part and usage.
> +
> +Required properties:
> +- compatible: "marvell,88f6920-pinctrl", "marvell,88f6928-pinctrl"
> + depending on the specific variant of the SoC being used.
> +- reg: register specifier of MPP registers
> +
> +Available mpp pins/groups and functions:
> +Note: brackets (x) are not part of the mpp name for marvell,function and
> given
> +only for more detailed description in this document.
> +
> +name pins functions
> +================================================================================
> +mpp0 0 gpio, ua0(rxd)
> +mpp1 1 gpio, ua0(txd)
> +mpp2 2 gpio, i2c0(sck)
> +mpp3 3 gpio, i2c0(sda)
> +mpp4 4 gpio, ua1(txd), ua0(rts), smi(mdc)
> +mpp5 5 gpio, ua1(rxd), ua0(cts), smi(mdio)
> +mpp6 6 gpio, dev(cs3), xsmi(mdio)
> +mpp7 7 gpio, dev(ad9), xsmi(mdc)
> +mpp8 8 gpio, dev(ad10), ptp(trig)
> +mpp9 9 gpio, dev(ad11), ptp(clk)
Hi Thomas
I wondering if there should be an explanation for the less common
names here. I'm guessing dev is a device bus of some sort? What is
xsmi? Some sort of extended System Management Interface? And m?
Thanks
Andrewy
> +mpp10 10 gpio, dev(ad12), ptp(event)
> +mpp11 11 gpio, dev(ad13), led(clk)
> +mpp12 12 gpio, pcie0(rstout), dev(ad14), led(stb)
> +mpp13 13 gpio, dev(ad15), led(data)
> +mpp14 14 gpio, m(vtt), dev(wen1), ua1(txd)
> +mpp15 15 gpio, pcie0(rstout), spi0(mosi), i2c1(sck)
> +mpp16 16 gpio, m(decc), spi0(miso), i2c1(sda)
> +mpp17 17 gpio, ua1(rxd), spi0(sck), smi(mdio)
> +mpp18 18 gpio, ua1(txd), spi0(cs0), i2c2(sck)
> +mpp19 19 gpio, sata1(present) [1], ua0(cts), ua1(rxd), i2c2(sda)
> +mpp20 20 gpio, sata0(present) [1], ua0(rts), ua1(txd), smi(mdc)
> +mpp21 21 gpio, spi0(cs1), sata0(present) [1], sd(cmd),
> dev(bootcs), ge(rxd0)
> +mpp22 22 gpio, spi0(mosi), dev(ad0)
> +mpp23 23 gpio, spi0(sck), dev(ad2)
> +mpp24 24 gpio, spi0(miso), ua0(cts), ua1(rxd), sd(d4),
> dev(readyn)
> +mpp25 25 gpio, spi0(cs0), ua0(rts), ua1(txd), sd(d5), dev(cs0)
> +mpp26 26 gpio, spi0(cs2), i2c1(sck), sd(d6), dev(cs1)
> +mpp27 27 gpio, spi0(cs3), i2c1(sda), sd(d7), dev(cs2),
> ge(txclkout)
> +mpp28 28 gpio, sd(clk), dev(ad5), ge(txd0)
> +mpp29 29 gpio, dev(ale0), ge(txd1)
> +mpp30 30 gpio, dev(oen), ge(txd2)
> +mpp31 31 gpio, dev(ale1), ge(txd3)
> +mpp32 32 gpio, dev(wen0), ge(txctl)
> +mpp33 33 gpio, m(decc), dev(ad3)
> +mpp34 34 gpio, dev(ad1)
> +mpp35 35 gpio, ref(clk), dev(a1)
> +mpp36 36 gpio, dev(a0)
> +mpp37 37 gpio, sd(d3), dev(ad8), ge(rxclk)
> +mpp38 38 gpio, ref(clk), sd(d0), dev(ad4), ge(rxd1)
> +mpp39 39 gpio, i2c1(sck), ua0(cts), sd(d1), dev(a2), ge(rxd2)
> +mpp40 40 gpio, i2c1(sda), ua0(rts), sd(d2), dev(ad6), ge(rxd3)
> +mpp41 41 gpio, ua1(rxd), ua0(cts), spi1(cs3), dev(burstn),
> nd(rbn0), ge(rxctl)
> +mpp42 42 gpio, ua1(txd), ua0(rts), dev(ad7)
> +mpp43 43 gpio, pcie0(clkreq), m(vtt), m(decc), spi1(cs2),
> dev(clkout), nd(rbn1)
> +mpp44 44 gpio, sata0(present) [1], sata1(present) [1], led(clk)
> +mpp45 45 gpio, ref(clk), pcie0(rstout), ua1(rxd)
> +mpp46 46 gpio, ref(clk), pcie0(rstout), ua1(txd), led(stb)
> +mpp47 47 gpio, sata0(present) [1], sata1(present) [1], led(data)
> +mpp48 48 gpio, sata0(present) [1], m(vtt), tdm(pclk) [1],
> audio(mclk) [1], sd(d4), pcie0(clkreq), ua1(txd)
> +mpp49 49 gpio, tdm(fsync) [1], audio(lrclk) [1], sd(d5), ua2(rxd)
> +mpp50 50 gpio, pcie0(rstout), tdm(drx) [1], audio(extclk) [1],
> sd(cmd), ua2(rxd)
> +mpp51 51 gpio, tdm(dtx) [1], audio(sdo) [1], m(decc), ua2(txd)
> +mpp52 52 gpio, pcie0(rstout), tdm(intn) [1], audio(sdi) [1],
> sd(d6), i2c3(sck)
> +mpp53 53 gpio, sata1(present) [1], sata0(present) [1], tdm(rstn)
> [1], audio(bclk) [1], sd(d7), i2c3(sda)
> +mpp54 54 gpio, sata0(present) [1], sata1(present) [1],
> pcie0(rstout), sd(d3), ua3(txd)
> +mpp55 55 gpio, ua1(cts), spi1(cs1), sd(d0), ua1(rxd), ua3(rxd)
> +mpp56 56 gpio, ua1(rts), m(decc), spi1(mosi), ua1(txd)
> +mpp57 57 gpio, spi1(sck), sd(clk), ua1(txd)
> +mpp58 58 gpio, i2c1(sck), pcie2(clkreq), spi1(miso), sd(d1),
> ua1(rxd)
> +mpp59 59 gpio, pcie0(rstout), i2c1(sda), spi1(cs0), sd(d2)
> +
> +[1]: only available on 88F6928
> --
> 2.1.0
>
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