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authorAjay Neeli <ajay.neeli@amd.com>2025-10-21 17:00:02 +0530
committerMartin K. Petersen <martin.petersen@oracle.com>2025-10-29 23:00:48 -0400
commit0e4d26f79a74bc633846a27a9a20d52217c108dc (patch)
tree24d650b558825e5746e1e9c2608cfdcfd412e860 /include
parent00b3e8480be7a49203594bd1fdb4fd46f3b69d59 (diff)
scsi: firmware: xilinx: Add APIs for UFS PHY initialization
- Add APIs for UFS PHY initialization. - Verify M-PHY TX-RX configuration readiness. - Confirm SRAM initialization and Set SRAM bypass. - Retrieve UFS calibration values. Signed-off-by: Ajay Neeli <ajay.neeli@amd.com> Acked-by: Senthil Nathan Thangaraj <senthilnathan.thangaraj@amd.com> Acked-by: Michal Simek <michal.simek@amd.com> Acked-by: Bart Van Assche <bvanassche@acm.org> Link: https://patch.msgid.link/20251021113003.13650-4-ajay.neeli@amd.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'include')
-rw-r--r--include/linux/firmware/xlnx-zynqmp-ufs.h38
-rw-r--r--include/linux/firmware/xlnx-zynqmp.h1
2 files changed, 39 insertions, 0 deletions
diff --git a/include/linux/firmware/xlnx-zynqmp-ufs.h b/include/linux/firmware/xlnx-zynqmp-ufs.h
new file mode 100644
index 000000000000..d3538dd5822a
--- /dev/null
+++ b/include/linux/firmware/xlnx-zynqmp-ufs.h
@@ -0,0 +1,38 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Firmware layer for UFS APIs.
+ *
+ * Copyright (c) 2025 Advanced Micro Devices, Inc.
+ */
+
+#ifndef __FIRMWARE_XLNX_ZYNQMP_UFS_H__
+#define __FIRMWARE_XLNX_ZYNQMP_UFS_H__
+
+#if IS_REACHABLE(CONFIG_ZYNQMP_FIRMWARE)
+int zynqmp_pm_is_mphy_tx_rx_config_ready(bool *is_ready);
+int zynqmp_pm_is_sram_init_done(bool *is_done);
+int zynqmp_pm_set_sram_bypass(void);
+int zynqmp_pm_get_ufs_calibration_values(u32 *val);
+#else
+static inline int zynqmp_pm_is_mphy_tx_rx_config_ready(bool *is_ready)
+{
+ return -ENODEV;
+}
+
+static inline int zynqmp_pm_is_sram_init_done(bool *is_done)
+{
+ return -ENODEV;
+}
+
+static inline int zynqmp_pm_set_sram_bypass(void)
+{
+ return -ENODEV;
+}
+
+static inline int zynqmp_pm_get_ufs_calibration_values(u32 *val)
+{
+ return -ENODEV;
+}
+#endif
+
+#endif /* __FIRMWARE_XLNX_ZYNQMP_UFS_H__ */
diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h
index b161f37de5cc..784d5920b4cd 100644
--- a/include/linux/firmware/xlnx-zynqmp.h
+++ b/include/linux/firmware/xlnx-zynqmp.h
@@ -16,6 +16,7 @@
#include <linux/types.h>
#include <linux/err.h>
+#include <linux/firmware/xlnx-zynqmp-ufs.h>
#define ZYNQMP_PM_VERSION_MAJOR 1
#define ZYNQMP_PM_VERSION_MINOR 0