include: adi-axi-common: add new helper macros

Add new helper macros and enums to help identifying the platform and some
characteristics of it at runtime.

Signed-off-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20250519-dev-axi-clkgen-limits-v6-4-bc4b3b61d1d4@analog.com
Reviewed-by: David Lechner <dlechner@baylibre.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

Author: nunojsa

include/linux/adi-axi-common.h

@@ -12,6 +12,7 @@
 #define ADI_AXI_COMMON_H_
 
 #define ADI_AXI_REG_VERSION			0x0000
+#define ADI_AXI_REG_FPGA_INFO			0x001C
 
 #define ADI_AXI_PCORE_VER(major, minor, patch)	\
 	(((major) << 16) | ((minor) << 8) | (patch))
@@ -20,4 +21,36 @@
 #define ADI_AXI_PCORE_VER_MINOR(version)	(((version) >> 8) & 0xff)
 #define ADI_AXI_PCORE_VER_PATCH(version)	((version) & 0xff)
 
+#define ADI_AXI_INFO_FPGA_TECH(info)            (((info) >> 24) & 0xff)
+#define ADI_AXI_INFO_FPGA_FAMILY(info)          (((info) >> 16) & 0xff)
+#define ADI_AXI_INFO_FPGA_SPEED_GRADE(info)     (((info) >> 8) & 0xff)
+
+enum adi_axi_fpga_technology {
+	ADI_AXI_FPGA_TECH_UNKNOWN = 0,
+	ADI_AXI_FPGA_TECH_SERIES7,
+	ADI_AXI_FPGA_TECH_ULTRASCALE,
+	ADI_AXI_FPGA_TECH_ULTRASCALE_PLUS,
+};
+
+enum adi_axi_fpga_family {
+	ADI_AXI_FPGA_FAMILY_UNKNOWN = 0,
+	ADI_AXI_FPGA_FAMILY_ARTIX,
+	ADI_AXI_FPGA_FAMILY_KINTEX,
+	ADI_AXI_FPGA_FAMILY_VIRTEX,
+	ADI_AXI_FPGA_FAMILY_ZYNQ,
+};
+
+enum adi_axi_fpga_speed_grade {
+	ADI_AXI_FPGA_SPEED_UNKNOWN      = 0,
+	ADI_AXI_FPGA_SPEED_1    = 10,
+	ADI_AXI_FPGA_SPEED_1L   = 11,
+	ADI_AXI_FPGA_SPEED_1H   = 12,
+	ADI_AXI_FPGA_SPEED_1HV  = 13,
+	ADI_AXI_FPGA_SPEED_1LV  = 14,
+	ADI_AXI_FPGA_SPEED_2    = 20,
+	ADI_AXI_FPGA_SPEED_2L   = 21,
+	ADI_AXI_FPGA_SPEED_2LV  = 22,
+	ADI_AXI_FPGA_SPEED_3    = 30,
+};
+
 #endif /* ADI_AXI_COMMON_H_ */