[PATCH v5 3/3] ARM: dts: mvebu: Introduce a new compatible string for mv64xxx-i2c
Jason Cooper
jason at lakedaemon.net
Fri Aug 9 07:32:15 EDT 2013
Ezequiel,
On Fri, Aug 09, 2013 at 06:13:37AM -0300, Ezequiel Garcia wrote:
> (Sending to devicetree)
As an FYI? I already responded to Mark Rutland's request for the
binding doc to be updated (that it was this patch, already merged into
mvebu/dt). I also asked him if everything looked ok to him and he said
yes.
Is there something else you're looking for with this patch?
confused,
Jason.
> On Fri, Aug 09, 2013 at 11:05:58AM +0200, Gregory CLEMENT wrote:
> > The mv64xxx-i2c embedded in the Armada XP have a new feature to
> > offload i2c transaction. This new version of the IP come also with
> > some errata. This lead to the introduction to a another compatible
> > string.
> >
> > This commit split the i2c information into armada-370.dtsi and
> > armada-xp.dtsi. Most of the data remains the same and stay in the
> > common file Armada-370-xp.dtsi. With this new feature the size of the
> > registers are bigger for Armada XP and the new compatible string is
> > used.
> >
> > The Device Tree binding documentation is updated accordingly.
> >
> > Signed-off-by: Gregory CLEMENT <gregory.clement at free-electrons.com>
> > ---
> > Documentation/devicetree/bindings/i2c/i2c-mv64xxx.txt | 13 ++++++++++++-
> > arch/arm/boot/dts/armada-370-xp.dtsi | 2 --
> > arch/arm/boot/dts/armada-370.dtsi | 8 ++++++++
> > arch/arm/boot/dts/armada-xp.dtsi | 10 ++++++++++
> > 4 files changed, 30 insertions(+), 3 deletions(-)
> >
> > diff --git a/Documentation/devicetree/bindings/i2c/i2c-mv64xxx.txt b/Documentation/devicetree/bindings/i2c/i2c-mv64xxx.txt
> > index a1ee681..c5dd952 100644
> > --- a/Documentation/devicetree/bindings/i2c/i2c-mv64xxx.txt
> > +++ b/Documentation/devicetree/bindings/i2c/i2c-mv64xxx.txt
> > @@ -4,7 +4,8 @@
> > Required properties :
> >
> > - reg : Offset and length of the register set for the device
> > - - compatible : Should be "marvell,mv64xxx-i2c"
> > + - compatible : Should be "marvell,mv64xxx-i2c" and "marvell,mv7230-i2c"
> > +for controller which support the I2C Transaction Generator
> > - interrupts : The interrupt number
> >
> > Optional properties :
> > @@ -20,3 +21,13 @@ Examples:
> > interrupts = <29>;
> > clock-frequency = <100000>;
> > };
> > +
> > +For a controller which support the I2C Transaction Generator:
> > +
> > + i2c at 11000 {
> > + compatible = "marvell,mv78230-i2c", "marvell,mv64xxx-i2c";
> > + reg = <0x11000 0x100>;
> > + compatible = "marvell,mv64xxx-i2c";
> > + interrupts = <29>;
> > + clock-frequency = <100000>;
> > + };
> > diff --git a/arch/arm/boot/dts/armada-370-xp.dtsi b/arch/arm/boot/dts/armada-370-xp.dtsi
> > index 90b1176..d8b24c9 100644
> > --- a/arch/arm/boot/dts/armada-370-xp.dtsi
> > +++ b/arch/arm/boot/dts/armada-370-xp.dtsi
> > @@ -121,7 +121,6 @@
> >
> > i2c0: i2c at 11000 {
> > compatible = "marvell,mv64xxx-i2c";
> > - reg = <0x11000 0x20>;
> > #address-cells = <1>;
> > #size-cells = <0>;
> > interrupts = <31>;
> > @@ -132,7 +131,6 @@
> >
> > i2c1: i2c at 11100 {
> > compatible = "marvell,mv64xxx-i2c";
> > - reg = <0x11100 0x20>;
> > #address-cells = <1>;
> > #size-cells = <0>;
> > interrupts = <32>;
> > diff --git a/arch/arm/boot/dts/armada-370.dtsi b/arch/arm/boot/dts/armada-370.dtsi
> > index fa3dfc6..0e2eefa 100644
> > --- a/arch/arm/boot/dts/armada-370.dtsi
> > +++ b/arch/arm/boot/dts/armada-370.dtsi
> > @@ -155,6 +155,14 @@
> > };
> > };
> >
> > + i2c0: i2c at 11000 {
> > + reg = <0x11000 0x20>;
> > + };
> > +
> > + i2c1: i2c at 11100 {
> > + reg = <0x11100 0x20>;
> > + };
> > +
> > usb at 50000 {
> > clocks = <&coreclk 0>;
> > };
> > diff --git a/arch/arm/boot/dts/armada-xp.dtsi b/arch/arm/boot/dts/armada-xp.dtsi
> > index 416eb94..e1f2547 100644
> > --- a/arch/arm/boot/dts/armada-xp.dtsi
> > +++ b/arch/arm/boot/dts/armada-xp.dtsi
> > @@ -138,6 +138,16 @@
> > };
> > };
> >
> > + i2c0: i2c at 11000 {
> > + compatible = "marvell,mv78230-i2c", "marvell,mv64xxx-i2c";
> > + reg = <0x11000 0x100>;
> > + };
> > +
> > + i2c1: i2c at 11100 {
> > + compatible = "marvell,mv78230-i2c", "marvell,mv64xxx-i2c";
> > + reg = <0x11100 0x100>;
> > + };
> > +
> > usb at 50000 {
> > clocks = <&gateclk 18>;
> > };
> > --
> > 1.8.1.2
> >
>
> --
> Ezequiel García, Free Electrons
> Embedded Linux, Kernel and Android Engineering
> http://free-electrons.com
> --
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