aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/include/linux/memory/ti-aemif.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/memory/ti-aemif.h')
-rw-r--r--include/linux/memory/ti-aemif.h32
1 files changed, 32 insertions, 0 deletions
diff --git a/include/linux/memory/ti-aemif.h b/include/linux/memory/ti-aemif.h
new file mode 100644
index 000000000000..da94a9d985e7
--- /dev/null
+++ b/include/linux/memory/ti-aemif.h
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef __MEMORY_TI_AEMIF_H
+#define __MEMORY_TI_AEMIF_H
+
+/**
+ * struct aemif_cs_timings: structure to hold CS timing configuration
+ * values are expressed in number of clock cycles - 1
+ * @ta: minimum turn around time
+ * @rhold: read hold width
+ * @rstrobe: read strobe width
+ * @rsetup: read setup width
+ * @whold: write hold width
+ * @wstrobe: write strobe width
+ * @wsetup: write setup width
+ */
+struct aemif_cs_timings {
+ u32 ta;
+ u32 rhold;
+ u32 rstrobe;
+ u32 rsetup;
+ u32 whold;
+ u32 wstrobe;
+ u32 wsetup;
+};
+
+struct aemif_device;
+
+int aemif_set_cs_timings(struct aemif_device *aemif, u8 cs, struct aemif_cs_timings *timings);
+int aemif_check_cs_timings(struct aemif_cs_timings *timings);
+
+#endif // __MEMORY_TI_AEMIF_H