Commit 7e70b59776 for qemu.org

commit 7e70b5977659ea56d3fc8c9fa0213926f4c4e170
Author: Kane Chen <kane_chen@aspeedtech.com>
Date:   Wed Feb 4 08:21:38 2026 +0000

    hw/arm/aspeed: Attach PWM device to AST1700 model

    Connect the PWM 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/20260204082113.3955407-17-kane_chen@aspeedtech.com
    Signed-off-by: Cédric Le Goater <clg@redhat.com>

diff --git a/hw/arm/aspeed_ast1700.c b/hw/arm/aspeed_ast1700.c
index 59954eca99..c0b288a0fc 100644
--- a/hw/arm/aspeed_ast1700.c
+++ b/hw/arm/aspeed_ast1700.c
@@ -18,6 +18,7 @@

 enum {
     ASPEED_AST1700_DEV_SPI0,
+    ASPEED_AST1700_DEV_PWM,
     ASPEED_AST1700_DEV_SRAM,
     ASPEED_AST1700_DEV_ADC,
     ASPEED_AST1700_DEV_SCU,
@@ -31,6 +32,7 @@ enum {

 static const hwaddr aspeed_ast1700_io_memmap[] = {
     [ASPEED_AST1700_DEV_SPI0]      =  0x00030000,
+    [ASPEED_AST1700_DEV_PWM]       =  0x000C0000,
     [ASPEED_AST1700_DEV_SRAM]      =  0x00BC0000,
     [ASPEED_AST1700_DEV_ADC]       =  0x00C00000,
     [ASPEED_AST1700_DEV_SCU]       =  0x00C02000,
@@ -130,6 +132,14 @@ static void aspeed_ast1700_realize(DeviceState *dev, Error **errp)
                         aspeed_ast1700_io_memmap[ASPEED_AST1700_DEV_I2C],
                         sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->i2c), 0));

+    /* PWM */
+    if (!sysbus_realize(SYS_BUS_DEVICE(&s->pwm), errp)) {
+        return;
+    }
+    memory_region_add_subregion(&s->iomem,
+                        aspeed_ast1700_io_memmap[ASPEED_AST1700_DEV_PWM],
+                        sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->pwm), 0));
+
     /* LTPI controller */
     if (!sysbus_realize(SYS_BUS_DEVICE(&s->ltpi), errp)) {
         return;
@@ -183,6 +193,9 @@ static void aspeed_ast1700_instance_init(Object *obj)
     object_initialize_child(obj, "ioexp-i2c", &s->i2c,
                             "aspeed.i2c-ast2700");

+    /* PWM */
+    object_initialize_child(obj, "pwm", &s->pwm, TYPE_ASPEED_PWM);
+
     /* LTPI controller */
     object_initialize_child(obj, "ltpi-ctrl",
                             &s->ltpi, TYPE_ASPEED_LTPI);
diff --git a/include/hw/arm/aspeed_ast1700.h b/include/hw/arm/aspeed_ast1700.h
index ee0c47d173..8db513a38c 100644
--- a/include/hw/arm/aspeed_ast1700.h
+++ b/include/hw/arm/aspeed_ast1700.h
@@ -14,6 +14,7 @@
 #include "hw/gpio/aspeed_gpio.h"
 #include "hw/i2c/aspeed_i2c.h"
 #include "hw/misc/aspeed_ltpi.h"
+#include "hw/misc/aspeed_pwm.h"
 #include "hw/ssi/aspeed_smc.h"
 #include "hw/watchdog/wdt_aspeed.h"
 #include "hw/char/serial-mm.h"
@@ -40,6 +41,7 @@ struct AspeedAST1700SoCState {
     AspeedSCUState scu;
     AspeedGPIOState gpio;
     AspeedI2CState i2c;
+    AspeedPWMState pwm;
     AspeedWDTState wdt[AST1700_WDT_NUM];
 };