Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 308f3f8d authored by Suman Tripathi's avatar Suman Tripathi Committed by Ulf Hansson
Browse files

mmc: sdhci-of-arasan: Add the support for sdhci-arasan4.9a 



This patch adds the quirks and compatible string in sdhci-of-arasan.c
to support sdhci-arasan4.9a version of controller.

Signed-off-by: default avatarSuman Tripathi <stripathi@apm.com>
Reviewed-by: default avatarMichal Simek <michal.simek@xilinx.com>
Acked-by: default avatarArnd Bergmann <arnd@arndb.de>
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent 4d0aa491

Documentation/devicetree/bindings/mmc/arasan,sdhci.txt

+2 −1
Original line number Diff line number Diff line
@@ -8,7 +8,8 @@ Device Tree Bindings for the Arasan SDHCI Controller 
  [3] Documentation/devicetree/bindings/interrupt-controller/interrupts.txt



Required Properties:

  - compatible: Compatibility string. Must be 'arasan,sdhci-8.9a'

  - compatible: Compatibility string. Must be 'arasan,sdhci-8.9a' or

                'arasan,sdhci-4.9a'

  - 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"

drivers/mmc/host/sdhci-of-arasan.c

+7 −0
Original line number Diff line number Diff line
@@ -20,6 +20,7 @@ 
 */



#include <linux/module.h>

#include <linux/of_device.h>

#include "sdhci-pltfm.h"



#define SDHCI_ARASAN_CLK_CTRL_OFFSET	0x2c
@@ -168,6 +169,11 @@ static int sdhci_arasan_probe(struct platform_device *pdev) 
		goto clk_disable_all;

	}



	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;

	}



	sdhci_get_of_property(pdev);

	pltfm_host = sdhci_priv(host);

	pltfm_host->priv = sdhci_arasan;
@@ -208,6 +214,7 @@ 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-4.9a" },

	{ }

};

MODULE_DEVICE_TABLE(of, sdhci_arasan_of_match);