On 14/12/16 04:10, Masahiro Yamada wrote:
> Add a Socionext SoC specific compatible (suggested by Rob Herring).
>
> No SoC specific data are associated with the compatible strings for
> now, but other SoC vendors may use this IP and want to differentiate
> IP variants in the future.
>
> Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
For sdhci:
Acked-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
> ---
>
> Changes in v2:
> - Add "uniphier" to the compatible to make it more SoC-specific
>
> Documentation/devicetree/bindings/mmc/sdhci-cadence.txt | 6 ++++--
> drivers/mmc/host/sdhci-cadence.c | 1 +
> 2 files changed, 5 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/mmc/sdhci-cadence.txt b/Documentation/devicetree/bindings/mmc/sdhci-cadence.txt
> index 750374f..c0f37cb 100644
> --- a/Documentation/devicetree/bindings/mmc/sdhci-cadence.txt
> +++ b/Documentation/devicetree/bindings/mmc/sdhci-cadence.txt
> @@ -1,7 +1,9 @@
> * Cadence SD/SDIO/eMMC Host Controller
>
> Required properties:
> -- compatible: should be "cdns,sd4hc".
> +- compatible: should be one of the following:
> + "cdns,sd4hc" - default of the IP
> + "socionext,uniphier-sd4hc" - for Socionext UniPhier SoCs
> - reg: offset and length of the register set for the device.
> - interrupts: a single interrupt specifier.
> - clocks: phandle to the input clock.
> @@ -19,7 +21,7 @@ if supported. See mmc.txt for details.
>
> Example:
> emmc: sdhci@5a000000 {
> - compatible = "cdns,sd4hc";
> + compatible = "socionext,uniphier-sd4hc", "cdns,sd4hc";
> reg = <0x5a000000 0x400>;
> interrupts = <0 78 4>;
> clocks = <&clk 4>;
> diff --git a/drivers/mmc/host/sdhci-cadence.c b/drivers/mmc/host/sdhci-cadence.c
> index 1501cfd..4b0ecb9 100644
> --- a/drivers/mmc/host/sdhci-cadence.c
> +++ b/drivers/mmc/host/sdhci-cadence.c
> @@ -262,6 +262,7 @@ static int sdhci_cdns_probe(struct platform_device *pdev)
> }
>
> static const struct of_device_id sdhci_cdns_match[] = {
> + { .compatible = "socionext,uniphier-sd4hc" },
> { .compatible = "cdns,sd4hc" },
> { /* sentinel */ }
> };
>
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