Re: [PATCHv3 3/5] ARM: sunxi: dts: Add PS2 nodes to dtsi for A10 and A20

From: Maxime Ripard
Date: Tue Dec 16 2014 - 04:35:12 EST


Hi Vishnu,

On Fri, Dec 12, 2014 at 11:55:46PM +0530, VishnuPatekar wrote:
> 1) Fixup the sun4i ps/2 nodes interrupt property, sun4i interrupts take
> only 1 specifier
>
> 2) dt bindings should use the compat string for the earliest version of the
> hardware which has the relevant hardware block, unless there are differences,
> the A10 and A20 ps2 controllers are identical, so for both sun4i-a10-ps2
> should be used as compat string, update the sun7i.dtsi ps2 entries to
> use the sun4i-a10-ps2 compat string.

This shouldn't be a changelog, but what this patch actually does.

> Signed-off-by: VishnuPatekar <vishnupatekar0510@xxxxxxxxx>
> Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
> ---
> arch/arm/boot/dts/sun4i-a10.dtsi | 17 +++++++++++++++++
> arch/arm/boot/dts/sun7i-a20.dtsi | 18 ++++++++++++++++++
> 2 files changed, 35 insertions(+)
>
> diff --git a/arch/arm/boot/dts/sun4i-a10.dtsi b/arch/arm/boot/dts/sun4i-a10.dtsi
> index 7b4099f..ef9a01c 100644
> --- a/arch/arm/boot/dts/sun4i-a10.dtsi
> +++ b/arch/arm/boot/dts/sun4i-a10.dtsi
> @@ -629,6 +629,7 @@
> allwinner,drive = <0>;
> allwinner,pull = <0>;
> };
> +

This is an uneeded change

> };
>
> timer@01c20c00 {
> @@ -795,5 +796,21 @@
> #address-cells = <1>;
> #size-cells = <0>;
> };
> +
> + ps20: ps2@01c2a000 {
> + compatible = "allwinner,sun4i-a10-ps2";
> + reg = <0x01c2a000 0x400>;
> + interrupts = <62>;
> + clocks = <&apb1_gates 6>;
> + status = "disabled";
> + };
> +
> + ps21: ps2@01c2a400 {
> + compatible = "allwinner,sun4i-a10-ps2";
> + reg = <0x01c2a400 0x400>;
> + interrupts = <63>;
> + clocks = <&apb1_gates 7>;
> + status = "disabled";
> + };
> };
> };
> diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi
> index e21ce59..6ab7714 100644
> --- a/arch/arm/boot/dts/sun7i-a20.dtsi
> +++ b/arch/arm/boot/dts/sun7i-a20.dtsi
> @@ -866,6 +866,7 @@
> allwinner,drive = <0>;
> allwinner,pull = <0>;
> };
> +

Ditto.

Maxime

--
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com

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