From: Kane Chen <kane_chen@aspeedtech.com>

Connect the ADC device to AST1700 model.

Signed-off-by: Kane-Chen-AS <kane_chen@aspeedtech.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Nabih Estefan <nabihestefan@google.com>
Tested-by: Nabih Estefan <nabihestefan@google.com>
Link: https://lore.kernel.org/qemu-devel/20260204082113.3955407-12-kane_chen@aspeedtech.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>
---
 include/hw/arm/aspeed_ast1700.h |  2 ++
 hw/arm/aspeed_ast1700.c         | 14 ++++++++++++++
 hw/arm/aspeed_ast27x0.c         |  5 +++++
 3 files changed, 21 insertions(+)

diff --git a/include/hw/arm/aspeed_ast1700.h b/include/hw/arm/aspeed_ast1700.h
index 89562eb64f60..441655cee7f4 100644
--- a/include/hw/arm/aspeed_ast1700.h
+++ b/include/hw/arm/aspeed_ast1700.h
@@ -9,6 +9,7 @@
 #define ASPEED_AST1700_H
 
 #include "hw/core/sysbus.h"
+#include "hw/adc/aspeed_adc.h"
 #include "hw/misc/aspeed_ltpi.h"
 #include "hw/ssi/aspeed_smc.h"
 #include "hw/char/serial-mm.h"
@@ -28,6 +29,7 @@ struct AspeedAST1700SoCState {
     SerialMM uart;
     MemoryRegion sram;
     AspeedSMCState spi;
+    AspeedADCState adc;
 };
 
 #endif /* ASPEED_AST1700_H */
diff --git a/hw/arm/aspeed_ast1700.c b/hw/arm/aspeed_ast1700.c
index 97990688f8d3..17577ebb5abb 100644
--- a/hw/arm/aspeed_ast1700.c
+++ b/hw/arm/aspeed_ast1700.c
@@ -19,6 +19,7 @@
 enum {
     ASPEED_AST1700_DEV_SPI0,
     ASPEED_AST1700_DEV_SRAM,
+    ASPEED_AST1700_DEV_ADC,
     ASPEED_AST1700_DEV_UART12,
     ASPEED_AST1700_DEV_LTPI_CTRL,
     ASPEED_AST1700_DEV_SPI0_MEM,
@@ -27,6 +28,7 @@ enum {
 static const hwaddr aspeed_ast1700_io_memmap[] = {
     [ASPEED_AST1700_DEV_SPI0]      =  0x00030000,
     [ASPEED_AST1700_DEV_SRAM]      =  0x00BC0000,
+    [ASPEED_AST1700_DEV_ADC]       =  0x00C00000,
     [ASPEED_AST1700_DEV_UART12]    =  0x00C33B00,
     [ASPEED_AST1700_DEV_LTPI_CTRL] =  0x00C34000,
     [ASPEED_AST1700_DEV_SPI0_MEM]  =  0x04000000,
@@ -81,6 +83,14 @@ static void aspeed_ast1700_realize(DeviceState *dev, Error **errp)
                         aspeed_ast1700_io_memmap[ASPEED_AST1700_DEV_SPI0_MEM],
                         sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->spi), 1));
 
+    /* ADC */
+    if (!sysbus_realize(SYS_BUS_DEVICE(&s->adc), errp)) {
+        return;
+    }
+    memory_region_add_subregion(&s->iomem,
+                        aspeed_ast1700_io_memmap[ASPEED_AST1700_DEV_ADC],
+                        sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->adc), 0));
+
     /* LTPI controller */
     if (!sysbus_realize(SYS_BUS_DEVICE(&s->ltpi), errp)) {
         return;
@@ -102,6 +112,10 @@ static void aspeed_ast1700_instance_init(Object *obj)
     object_initialize_child(obj, "ioexp-spi", &s->spi,
                             "aspeed.spi0-ast2700");
 
+    /* ADC */
+    object_initialize_child(obj, "ioexp-adc", &s->adc,
+                            "aspeed.adc-ast2700");
+
     /* LTPI controller */
     object_initialize_child(obj, "ltpi-ctrl",
                             &s->ltpi, TYPE_ASPEED_LTPI);
diff --git a/hw/arm/aspeed_ast27x0.c b/hw/arm/aspeed_ast27x0.c
index 2fc50af8b420..5086d4c51e78 100644
--- a/hw/arm/aspeed_ast27x0.c
+++ b/hw/arm/aspeed_ast27x0.c
@@ -1046,6 +1046,11 @@ static void aspeed_soc_ast2700_realize(DeviceState *dev, Error **errp)
             sysbus_connect_irq(SYS_BUS_DEVICE(&a->intcioexp[i]), j,
                                irq);
         }
+
+        /* ADC */
+        sysbus_connect_irq(SYS_BUS_DEVICE(&s->ioexp[i].adc), 0,
+                           aspeed_soc_ast2700_get_irq(s, ASPEED_DEV_ADC));
+
     }
 
     aspeed_mmio_map_unimplemented(s->memory, SYS_BUS_DEVICE(&s->dpmcu),
-- 
2.52.0