#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
+#include <linux/reset.h>
#include <linux/sched.h>
#include <linux/spi/spi.h>
#include <linux/timer.h>
struct cqspi_st *cqspi;
struct resource *res;
struct resource *res_ahb;
+ struct reset_control *rstc, *rstc_ocp;
const struct cqspi_driver_platdata *ddata;
int ret;
int irq;
goto probe_clk_failed;
}
+ /* Obtain QSPI reset control */
+ rstc = devm_reset_control_get_optional_exclusive(dev, "qspi");
+ if (IS_ERR(rstc)) {
+ dev_err(dev, "Cannot get QSPI reset.\n");
+ return PTR_ERR(rstc);
+ }
+
+ rstc_ocp = devm_reset_control_get_optional_exclusive(dev, "qspi-ocp");
+ if (IS_ERR(rstc_ocp)) {
+ dev_err(dev, "Cannot get QSPI OCP reset.\n");
+ return PTR_ERR(rstc_ocp);
+ }
+
+ reset_control_assert(rstc);
+ reset_control_deassert(rstc);
+
+ reset_control_assert(rstc_ocp);
+ reset_control_deassert(rstc_ocp);
+
cqspi->master_ref_clk_hz = clk_get_rate(cqspi->clk);
ddata = of_device_get_match_data(dev);
if (ddata && (ddata->quirks & CQSPI_NEEDS_WR_DELAY))