mmc: tmio-mmc: parse device-tree bindings
Add parsing of common and driver-specific DT bindings to the tmio-mmc
MMC host driver and the sh_mobile_sdhi interface layer.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
diff --git a/drivers/mmc/host/sh_mobile_sdhi.c b/drivers/mmc/host/sh_mobile_sdhi.c
index e0ca0abb..06e1bc9 100644
--- a/drivers/mmc/host/sh_mobile_sdhi.c
+++ b/drivers/mmc/host/sh_mobile_sdhi.c
@@ -23,6 +23,7 @@
#include <linux/slab.h>
#include <linux/mod_devicetable.h>
#include <linux/module.h>
+#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <linux/mmc/host.h>
#include <linux/mmc/sh_mobile_sdhi.h>
@@ -32,6 +33,16 @@
#include "tmio_mmc.h"
+struct sh_mobile_sdhi_of_data {
+ unsigned long tmio_flags;
+};
+
+static const struct sh_mobile_sdhi_of_data sh_mobile_sdhi_of_cfg[] = {
+ {
+ .tmio_flags = TMIO_MMC_HAS_IDLE_WAIT,
+ },
+};
+
struct sh_mobile_sdhi {
struct clk *clk;
struct tmio_mmc_data mmc_data;
@@ -117,8 +128,18 @@
.cd_wakeup = sh_mobile_sdhi_cd_wakeup,
};
+static const struct of_device_id sh_mobile_sdhi_of_match[] = {
+ { .compatible = "renesas,shmobile-sdhi" },
+ { .compatible = "renesas,sh7372-sdhi" },
+ { .compatible = "renesas,r8a7740-sdhi", .data = &sh_mobile_sdhi_of_cfg[0], },
+ {},
+};
+MODULE_DEVICE_TABLE(of, sh_mobile_sdhi_of_match);
+
static int sh_mobile_sdhi_probe(struct platform_device *pdev)
{
+ const struct of_device_id *of_id =
+ of_match_device(sh_mobile_sdhi_of_match, &pdev->dev);
struct sh_mobile_sdhi *priv;
struct tmio_mmc_data *mmc_data;
struct sh_mobile_sdhi_info *p = pdev->dev.platform_data;
@@ -186,6 +207,11 @@
*/
mmc_data->flags |= TMIO_MMC_SDIO_IRQ;
+ if (of_id && of_id->data) {
+ const struct sh_mobile_sdhi_of_data *of_data = of_id->data;
+ mmc_data->flags |= of_data->tmio_flags;
+ }
+
ret = tmio_mmc_host_probe(&host, pdev, mmc_data);
if (ret < 0)
goto eprobe;
@@ -313,12 +339,6 @@
.runtime_resume = tmio_mmc_host_runtime_resume,
};
-static const struct of_device_id sh_mobile_sdhi_of_match[] = {
- { .compatible = "renesas,shmobile-sdhi" },
- { }
-};
-MODULE_DEVICE_TABLE(of, sh_mobile_sdhi_of_match);
-
static struct platform_driver sh_mobile_sdhi_driver = {
.driver = {
.name = "sh_mobile_sdhi",