From: Ulf Hansson <ulf.hansson@linaro.org>
To: Masahiro Yamada <yamada.masahiro@socionext.com>,
Rob Herring <robh@kernel.org>
Cc: "linux-mmc@vger.kernel.org" <linux-mmc@vger.kernel.org>,
Adrian Hunter <adrian.hunter@intel.com>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>
Subject: Re: [PATCH v2] mmc: sdhci-cadence: add Socionext UniPhier specific compatible string
Date: Fri, 16 Dec 2016 12:09:17 +0100 [thread overview]
Message-ID: <CAPDyKFpJOLv8XoT6MLpHYOKoPZFXKwrhyCvmaB=RdQm3G4OYQA@mail.gmail.com> (raw)
In-Reply-To: <1481681446-29832-1-git-send-email-yamada.masahiro@socionext.com>
On 14 December 2016 at 03:10, Masahiro Yamada
<yamada.masahiro@socionext.com> 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@socionext.com>
This looks good to me. I intend to apply this as fix, although
deferring to first get an ack from Rob - to make sure we get it right
this time. :-)
Kind regards
Uffe
> ---
>
> 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 */ }
> };
> --
> 2.7.4
>
next prev parent reply other threads:[~2016-12-16 11:09 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-14 2:10 [PATCH v2] mmc: sdhci-cadence: add Socionext UniPhier specific compatible string Masahiro Yamada
2016-12-16 11:09 ` Ulf Hansson [this message]
2016-12-19 18:44 ` Rob Herring
2016-12-20 10:50 ` Ulf Hansson
2017-01-03 14:24 ` Adrian Hunter
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