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

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Message-Id: <1439255696-3263-1-git-send-email-shawn.lin@rock-chips.com>
Date:	Tue, 11 Aug 2015 09:14:56 +0800
From:	Shawn Lin <shawn.lin@...k-chips.com>
To:	jh80.chung@...sung.com, ulf.hansson@...aro.org
Cc:	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,
	Shawn Lin <shawn.lin@...k-chips.com>,
	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: [PATCH] mmc: sdhci-of-arasan: Add the support for sdhci-5.1

This patch adds the quirks and compatible string in sdhci-of-arasan.c
to support sdhci-arasan5.1 version of controller.

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" },
 	{ }
 };
-- 
2.3.7


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