[Qemu-devel] [PATCH 2/2] aspeed: add a GPIO controller to the SoC

[Rashmica Gupta <rashmica.g@gmail.com>]

Signed-off-by: Rashmica Gupta <rashmica.g@gmail.com>
---
 hw/arm/aspeed_soc.c         | 17 +++++++++++++++++
 include/hw/arm/aspeed_soc.h |  3 +++
 2 files changed, 20 insertions(+)

diff --git a/hw/arm/aspeed_soc.c b/hw/arm/aspeed_soc.c
index 1cc98b9f40..8583869acf 100644
--- a/hw/arm/aspeed_soc.c
+++ b/hw/arm/aspeed_soc.c
@@ -23,6 +23,7 @@
 #include "net/net.h"
 
 #define ASPEED_SOC_IOMEM_SIZE       0x00200000
+#define ASPEED_SOC_GPIO_BASE        0x1E780000
 
 static const hwaddr aspeed_soc_ast2400_memmap[] = {
     [ASPEED_IOMEM]  = 0x1E600000,
@@ -120,6 +121,7 @@ static const AspeedSoCInfo aspeed_socs[] = {
         .spis_num     = 1,
         .fmc_typename = "aspeed.smc.fmc",
         .spi_typename = aspeed_soc_ast2400_typenames,
+        .gpio_typename = "aspeed.gpio-ast2400",
         .wdts_num     = 2,
         .irqmap       = aspeed_soc_ast2400_irqmap,
         .memmap       = aspeed_soc_ast2400_memmap,
@@ -131,6 +133,7 @@ static const AspeedSoCInfo aspeed_socs[] = {
         .spis_num     = 1,
         .fmc_typename = "aspeed.smc.fmc",
         .spi_typename = aspeed_soc_ast2400_typenames,
+        .gpio_typename = "aspeed.gpio-ast2400",
         .wdts_num     = 2,
         .irqmap       = aspeed_soc_ast2400_irqmap,
         .memmap       = aspeed_soc_ast2400_memmap,
@@ -142,6 +145,7 @@ static const AspeedSoCInfo aspeed_socs[] = {
         .spis_num     = 1,
         .fmc_typename = "aspeed.smc.fmc",
         .spi_typename = aspeed_soc_ast2400_typenames,
+        .gpio_typename = "aspeed.gpio-ast2400",
         .wdts_num     = 2,
         .irqmap       = aspeed_soc_ast2400_irqmap,
         .memmap       = aspeed_soc_ast2400_memmap,
@@ -153,6 +157,7 @@ static const AspeedSoCInfo aspeed_socs[] = {
         .spis_num     = 2,
         .fmc_typename = "aspeed.smc.ast2500-fmc",
         .spi_typename = aspeed_soc_ast2500_typenames,
+        .gpio_typename = "aspeed.gpio-ast2500",
         .wdts_num     = 3,
         .irqmap       = aspeed_soc_ast2500_irqmap,
         .memmap       = aspeed_soc_ast2500_memmap,
@@ -225,6 +230,8 @@ static void aspeed_soc_init(Object *obj)
 
     sysbus_init_child_obj(obj, "ftgmac100", OBJECT(&s->ftgmac100),
                           sizeof(s->ftgmac100), TYPE_FTGMAC100);
+    sysbus_init_child_obj(obj, "gpio", OBJECT(&s->gpio), sizeof(s->gpio),
+                          sc->info->gpio_typename);
 }
 
 static void aspeed_soc_realize(DeviceState *dev, Error **errp)
@@ -366,6 +373,16 @@ static void aspeed_soc_realize(DeviceState *dev, Error **errp)
                     sc->info->memmap[ASPEED_ETH1]);
     sysbus_connect_irq(SYS_BUS_DEVICE(&s->ftgmac100), 0,
                        aspeed_soc_get_irq(s, ASPEED_ETH1));
+
+    /* GPIO */
+    object_property_set_bool(OBJECT(&s->gpio), true, "realized", &err);
+    if (err) {
+        error_propagate(errp, err);
+        return;
+    }
+    sysbus_mmio_map(SYS_BUS_DEVICE(&s->gpio), 0, ASPEED_SOC_GPIO_BASE);
+    sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpio), 0,
+            qdev_get_gpio_in(DEVICE(&s->vic), 20));
 }
 
 static void aspeed_soc_class_init(ObjectClass *oc, void *data)
diff --git a/include/hw/arm/aspeed_soc.h b/include/hw/arm/aspeed_soc.h
index 88b901d5df..28ff2bedb4 100644
--- a/include/hw/arm/aspeed_soc.h
+++ b/include/hw/arm/aspeed_soc.h
@@ -20,6 +20,7 @@
 #include "hw/ssi/aspeed_smc.h"
 #include "hw/watchdog/wdt_aspeed.h"
 #include "hw/net/ftgmac100.h"
+#include "hw/gpio/aspeed_gpio.h"
 
 #define ASPEED_SPIS_NUM  2
 #define ASPEED_WDTS_NUM  3
@@ -40,6 +41,7 @@ typedef struct AspeedSoCState {
     AspeedSDMCState sdmc;
     AspeedWDTState wdt[ASPEED_WDTS_NUM];
     FTGMAC100State ftgmac100;
+    AspeedGPIOState gpio;
 } AspeedSoCState;
 
 #define TYPE_ASPEED_SOC "aspeed-soc"
@@ -53,6 +55,7 @@ typedef struct AspeedSoCInfo {
     int spis_num;
     const char *fmc_typename;
     const char **spi_typename;
+    const char *gpio_typename;
     int wdts_num;
     const int *irqmap;
     const hwaddr *memmap;
-- 
2.17.2