Driver should be able to handle optional pinctrl setting.
Signed-off-by: Michal Simek <michal.simek@xxxxxxxxxx>
Signed-off-by: Manish Narani <manish.narani@xxxxxxxxxx>
---
drivers/mmc/host/sdhci-of-arasan.c | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/drivers/mmc/host/sdhci-of-arasan.c b/drivers/mmc/host/sdhci-of-arasan.c
index 829ccef87426..f788cc9d5914 100644
--- a/drivers/mmc/host/sdhci-of-arasan.c
+++ b/drivers/mmc/host/sdhci-of-arasan.c
@@ -23,6 +23,7 @@
#include <linux/regmap.h>
#include <linux/of.h>
#include <linux/firmware/xlnx-zynqmp.h>
+#include <linux/pinctrl/consumer.h>
#include "cqhci.h"
#include "sdhci-pltfm.h"
@@ -135,6 +136,8 @@ struct sdhci_arasan_clk_data {
* @clk_ops: Struct for the Arasan Controller Clock Operations.
* @soc_ctl_base: Pointer to regmap for syscon for soc_ctl registers.
* @soc_ctl_map: Map to get offsets into soc_ctl registers.
+ * @pinctrl: Per-device pin control state holder.
+ * @pins_default: Pinctrl state for a device.
* @quirks: Arasan deviations from spec.
*/
struct sdhci_arasan_data {
@@ -149,6 +152,8 @@ struct sdhci_arasan_data {
struct regmap *soc_ctl_base;
const struct sdhci_arasan_soc_ctl_map *soc_ctl_map;
+ struct pinctrl *pinctrl;
+ struct pinctrl_state *pins_default;
unsigned int quirks;
/* Controller does not have CD wired and will not function normally without */
@@ -1619,6 +1624,25 @@ static int sdhci_arasan_probe(struct platform_device *pdev)
goto unreg_clk;
}
+ sdhci_arasan->pinctrl = devm_pinctrl_get(&pdev->dev);
+ if (!IS_ERR(sdhci_arasan->pinctrl)) {
+ sdhci_arasan->pins_default =
+ pinctrl_lookup_state(sdhci_arasan->pinctrl,
+ PINCTRL_STATE_DEFAULT);
+ if (IS_ERR(sdhci_arasan->pins_default)) {
+ dev_err(&pdev->dev, "Missing default pinctrl config\n");
+ ret = PTR_ERR(sdhci_arasan->pins_default);
+ goto unreg_clk;
+ }
+
+ ret = pinctrl_select_state(sdhci_arasan->pinctrl,
+ sdhci_arasan->pins_default);
+ if (ret) {
+ dev_err(&pdev->dev, "could not select default state\n");
+ goto unreg_clk;
+ }
+ }
+
sdhci_arasan->phy = ERR_PTR(-ENODEV);
if (of_device_is_compatible(pdev->dev.of_node,
"arasan,sdhci-5.1")) {
--
2.17.1
