On Tue, Feb 13, 2018 at 07:15:29PM +0200, Tero Kristo wrote:
> Certain revisions of the TI EMIF IP contain ECC support in them. Reflect
> this in the DT binding. Also, add interrupts property as a required
> property for the emif controller, as all revisions of the emif IP contain
> interrupt support; this might remain unused by the kernel driver though.
>
> Signed-off-by: Tero Kristo <t-kristo@xxxxxx>
> ---
> .../devicetree/bindings/memory-controllers/ti/emif.txt | 13 ++++++++++++-
> 1 file changed, 12 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/devicetree/bindings/memory-controllers/ti/emif.txt b/Documentation/devicetree/bindings/memory-controllers/ti/emif.txt
> index 621b41c..87022a9 100644
> --- a/Documentation/devicetree/bindings/memory-controllers/ti/emif.txt
> +++ b/Documentation/devicetree/bindings/memory-controllers/ti/emif.txt
> @@ -3,7 +3,9 @@
> EMIF - External Memory Interface - is an SDRAM controller used in
> TI SoCs. EMIF supports, based on the IP revision, one or more of
> DDR2/DDR3/LPDDR2 protocols. This binding describes a given instance
> -of the EMIF IP and memory parts attached to it.
> +of the EMIF IP and memory parts attached to it. Certain revisions
> +of the EMIF controller also contain optional ECC support, which
> +corrects one bit errors and detects two bit errors.
>
> Required properties:
> - compatible : Should be of the form "ti,emif-<ip-rev>" where <ip-rev>
> @@ -11,6 +13,8 @@ Required properties:
> compatible should be one of the following:
> "ti,emif-am3352"
> "ti,emif-am4372"
> + "ti,emif-dra7xx"
> + "ti,emif-keystone"
>
> - phy-type : <u32> indicating the DDR phy type. Following are the
> allowed values
> @@ -22,6 +26,7 @@ Required properties:
> - ti,hwmods : For TI hwmods processing and omap device creation
> the value shall be "emif<n>" where <n> is the number of the EMIF
> instance with base 1.
> +- interrupts : interrupt used by the controller
Only for the new compatibles?
>
> Required only for "ti,emif-am3352" and "ti,emif-am4372":
> - sram : Phandles for generic sram driver nodes,
> @@ -71,3 +76,9 @@ emif: emif@4c000000 {
> sram = <&pm_sram_code
> &pm_sram_data>;
> };
> +
> +emif1: emif@4c000000 {
> + compatible = "ti,emif-dra7xx";
> + reg = <0x4c000000 0x200>;
> + interrupts = <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH>;
> +};
> --
> 1.9.1
>
> --
> Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
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