linux-kernel - [PATCH 11/12] mmc: sdhci-omap: Add support for MMC/SD controller in k2g SoC

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Message-ID: <20171214130941.26666-12-kishon@ti.com>
Date:   Thu, 14 Dec 2017 18:39:40 +0530
From:   Kishon Vijay Abraham I <kishon@...com>
To:     Ulf Hansson <ulf.hansson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Tony Lindgren <tony@...mide.com>,
        Adrian Hunter <adrian.hunter@...el.com>
CC:     Mark Rutland <mark.rutland@....com>,
        Russell King <linux@...linux.org.uk>,
        <linux-mmc@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-omap@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <nsekhar@...com>,
        <kishon@...com>
Subject: [PATCH 11/12] mmc: sdhci-omap: Add support for MMC/SD controller in k2g SoC

Add support for the new compatible added specifically to support
k2g's MMC/SD controller.

Signed-off-by: Kishon Vijay Abraham I <kishon@...com>
---
 drivers/mmc/host/sdhci-omap.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/mmc/host/sdhci-omap.c b/drivers/mmc/host/sdhci-omap.c
index cddc3ad1331f..5e81e29383d9 100644
--- a/drivers/mmc/host/sdhci-omap.c
+++ b/drivers/mmc/host/sdhci-omap.c
@@ -767,6 +767,10 @@ static const struct sdhci_pltfm_data sdhci_omap_pdata = {
 	.ops = &sdhci_omap_ops,
 };
 
+static const struct sdhci_omap_data k2g_data = {
+	.offset = 0x200,
+};
+
 static const struct sdhci_omap_data dra7_data = {
 	.offset = 0x200,
 	.flags	= SDHCI_OMAP_REQUIRE_IODELAY,
@@ -774,6 +778,7 @@ static const struct sdhci_omap_data dra7_data = {
 
 static const struct of_device_id omap_sdhci_match[] = {
 	{ .compatible = "ti,dra7-sdhci", .data = &dra7_data },
+	{ .compatible = "ti,k2g-sdhci", .data = &k2g_data },
 	{},
 };
 MODULE_DEVICE_TABLE(of, omap_sdhci_match);
@@ -882,6 +887,7 @@ static int sdhci_omap_probe(struct platform_device *pdev)
 	int ret;
 	u32 offset;
 	struct device *dev = &pdev->dev;
+	struct device_node *node = dev->of_node;
 	struct sdhci_host *host;
 	struct sdhci_pltfm_host *pltfm_host;
 	struct sdhci_omap_host *omap_host;
@@ -908,6 +914,9 @@ static int sdhci_omap_probe(struct platform_device *pdev)
 		return PTR_ERR(host);
 	}
 
+	if (of_device_is_compatible(node, "ti,k2g-sdhci"))
+		host->quirks2 |= SDHCI_QUIRK2_NO_1_8_V;
+
 	pltfm_host = sdhci_priv(host);
 	omap_host = sdhci_pltfm_priv(pltfm_host);
 	omap_host->host = host;
-- 
2.11.0