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firmware: xilinx: Add sysfs interface

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Add firmware-ggs sysfs interface which provides read/write
interface to global storage registers.

Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Tejas Patel <tejas.patel@xilinx.com>
Signed-off-by: Jolly Shah <jolly.shah@xilinx.com>
Link: https://lore.kernel.org/r/1587761887-4279-23-git-send-email-jolly.shah@xilinx.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Rajan Vaja
2020-04-24 13:58:04 -07:00
committed by Greg Kroah-Hartman
parent 4f680b72ea
commit ae5c961da6
3 changed files with 218 additions and 1 deletions
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2
include/linux/firmware/xlnx-zynqmp.h
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@@ -42,6 +42,8 @@
#define ZYNQMP_PM_MAX_QOS 100U
#define GSS_NUM_REGS (4)
/* Node capabilities */
#define ZYNQMP_PM_CAPABILITY_ACCESS 0x1U
#define ZYNQMP_PM_CAPABILITY_CONTEXT 0x2U