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authorJoao Pinto <Joao.Pinto@synopsys.com>2016-05-11 12:21:30 +0100
committerMartin K. Petersen <martin.petersen@oracle.com>2016-07-12 23:16:31 -0400
commit4b9ffb5a353bdee49f1f477ffe2b95ab3f9cbc0c (patch)
tree0560ae666ca38ed447984c9a7a3d0396ef312a8a /drivers/scsi/ufs/ufshci-dwc.h
parent79fcc03349b5766dbd15b169c762b442296fbf6b (diff)
downloadlinux-4b9ffb5a353bdee49f1f477ffe2b95ab3f9cbc0c.tar.bz2
ufs: add support for DesignWare Controller
This patch has the goal to add support for DesignWare UFS Controller specific operations. Signed-off-by: Joao Pinto <jpinto@synopsys.com> Reviewed-by: Hannes Reinicke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/ufs/ufshci-dwc.h')
-rw-r--r--drivers/scsi/ufs/ufshci-dwc.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/scsi/ufs/ufshci-dwc.h b/drivers/scsi/ufs/ufshci-dwc.h
new file mode 100644
index 000000000000..ca341fece310
--- /dev/null
+++ b/drivers/scsi/ufs/ufshci-dwc.h
@@ -0,0 +1,36 @@
+/*
+ * UFS Host driver for Synopsys Designware Core
+ *
+ * Copyright (C) 2015-2016 Synopsys, Inc. (www.synopsys.com)
+ *
+ * Authors: Joao Pinto <jpinto@synopsys.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _UFSHCI_DWC_H
+#define _UFSHCI_DWC_H
+
+/* DWC HC UFSHCI specific Registers */
+enum dwc_specific_registers {
+ DWC_UFS_REG_HCLKDIV = 0xFC,
+};
+
+/* Clock Divider Values: Hex equivalent of frequency in MHz */
+enum clk_div_values {
+ DWC_UFS_REG_HCLKDIV_DIV_62_5 = 0x3e,
+ DWC_UFS_REG_HCLKDIV_DIV_125 = 0x7d,
+ DWC_UFS_REG_HCLKDIV_DIV_200 = 0xc8,
+};
+
+/* Selector Index */
+enum selector_index {
+ SELIND_LN0_TX = 0x00,
+ SELIND_LN1_TX = 0x01,
+ SELIND_LN0_RX = 0x04,
+ SELIND_LN1_RX = 0x05,
+};
+
+#endif /* End of Header */