linux-kernel - Re: [PATCH] mmc: sdhci-of-arasan: Add the support for sdhci-5.1

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Date:	Tue, 11 Aug 2015 09:21:51 +0800
From:	Shawn Lin <shawn.lin@...k-chips.com>
To:	jh80.chung@...sung.com, ulf.hansson@...aro.org
Cc:	lintao@...k-chips.com, heiko@...ech.de, dianders@...omium.org,
	Vineet.Gupta1@...opsys.com, Wei Xu <xuwei5@...ilicon.com>,
	Joachim Eastwood <manabian@...il.com>,
	Alexey Brodkin <abrodkin@...opsys.com>,
	Kukjin Kim <kgene@...nel.org>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	Russell King <linux@....linux.org.uk>,
	Jun Nie <jun.nie@...aro.org>, Arnd Bergmann <arnd@...db.de>,
	Zhou Wang <wangzhou1@...ilicon.com>,
	Ralf Baechle <ralf@...ux-mips.org>,
	Govindraj Raja <govindraj.raja@...tec.com>,
	linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org, linux-mips@...ux-mips.org,
	linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-rockchip@...ts.infradead.org, devicetree@...r.kernel.org,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Michal Simek <michal.simek@...inx.com>,
	Sören Brinkmann <soren.brinkmann@...inx.com>,
	Suman Tripathi <stripathi@....com>
Subject: Re: [PATCH] mmc: sdhci-of-arasan: Add the support for sdhci-5.1

On 2015/8/11 9:14, Shawn Lin wrote:
> This patch adds the quirks and compatible string in sdhci-of-arasan.c
> to support sdhci-arasan5.1 version of controller.
>

Sorry for wrong send-email ops, pls ignore this patch :(

> Signed-off-by: Shawn Lin <shawn.lin@...k-chips.com>
> ---
>
>   Documentation/devicetree/bindings/mmc/arasan,sdhci.txt | 2 +-
>   drivers/mmc/host/sdhci-of-arasan.c                     | 4 ++++
>   2 files changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt
> index 7e94903..da541c3 100644
> --- a/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt
> +++ b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt
> @@ -9,7 +9,7 @@ Device Tree Bindings for the Arasan SDHCI Controller
>
>   Required Properties:
>     - compatible: Compatibility string. Must be 'arasan,sdhci-8.9a' or
> -                'arasan,sdhci-4.9a'
> +                'arasan,sdhci-4.9a' or 'arasan,sdhci-5.1'
>     - reg: From mmc bindings: Register location and length.
>     - clocks: From clock bindings: Handles to clock inputs.
>     - clock-names: From clock bindings: Tuple including "clk_xin" and "clk_ahb"
> diff --git a/drivers/mmc/host/sdhci-of-arasan.c b/drivers/mmc/host/sdhci-of-arasan.c
> index ef5a7d2..c9012f5 100644
> --- a/drivers/mmc/host/sdhci-of-arasan.c
> +++ b/drivers/mmc/host/sdhci-of-arasan.c
> @@ -175,6 +175,9 @@ static int sdhci_arasan_probe(struct platform_device *pdev)
>   	if (of_device_is_compatible(pdev->dev.of_node, "arasan,sdhci-4.9a")) {
>   		host->quirks |= SDHCI_QUIRK_NO_HISPD_BIT;
>   		host->quirks2 |= SDHCI_QUIRK2_HOST_NO_CMD23;
> +	} else if (of_device_is_compatible(pdev->dev.of_node,
> +					   "arasan,sdhci-5.1")) {
> +		host->quirks |= SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN;
>   	}
>
>   	sdhci_get_of_property(pdev);
> @@ -217,6 +220,7 @@ static int sdhci_arasan_remove(struct platform_device *pdev)
>
>   static const struct of_device_id sdhci_arasan_of_match[] = {
>   	{ .compatible = "arasan,sdhci-8.9a" },
> +	{ .compatible = "arasan,sdhci-5.1" },
>   	{ .compatible = "arasan,sdhci-4.9a" },
>   	{ }
>   };
>


-- 
Shawn Lin
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