UFS_EMBD sharability register of fsys block provides "sharability"
setting of ufs-exynos. It can be set via syscon and regmap.
Cc: Alim Akhtar <alim.akhtar@xxxxxxxxxxx>
Cc: Kiwoong Kim <kwmad.kim@xxxxxxxxxxx>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxx>
Signed-off-by: Chanho Park <chanho61.park@xxxxxxxxxxx>
---
drivers/scsi/ufs/ufs-exynos.c | 5 +++++
drivers/scsi/ufs/ufs-exynos.h | 1 +
2 files changed, 6 insertions(+)
diff --git a/drivers/scsi/ufs/ufs-exynos.c b/drivers/scsi/ufs/ufs-exynos.c
index 8a17ba32a721..f7a1b99c823b 100644
--- a/drivers/scsi/ufs/ufs-exynos.c
+++ b/drivers/scsi/ufs/ufs-exynos.c
@@ -12,6 +12,7 @@
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_address.h>
+#include <linux/mfd/syscon.h>
#include <linux/phy/phy.h>
#include <linux/platform_device.h>
@@ -906,6 +907,10 @@ static int exynos_ufs_parse_dt(struct device *dev, struct exynos_ufs *ufs)
goto out;
}
+ ufs->sysreg = syscon_regmap_lookup_by_phandle(np, "sysreg");
+ if (IS_ERR(ufs->sysreg))
+ ufs->sysreg = NULL;
+
ufs->pclk_avail_min = PCLK_AVAIL_MIN;
ufs->pclk_avail_max = PCLK_AVAIL_MAX;
diff --git a/drivers/scsi/ufs/ufs-exynos.h b/drivers/scsi/ufs/ufs-exynos.h
index 2e72aabaa673..4f93db893ce8 100644
--- a/drivers/scsi/ufs/ufs-exynos.h
+++ b/drivers/scsi/ufs/ufs-exynos.h
@@ -191,6 +191,7 @@ struct exynos_ufs {
struct ufs_phy_time_cfg t_cfg;
ktime_t entry_hibern8_t;
const struct exynos_ufs_drv_data *drv_data;
+ struct regmap *sysreg;
u32 opts;
#define EXYNOS_UFS_OPT_HAS_APB_CLK_CTRL BIT(0)
--
2.33.0
