hw/gpio: Add ASPEED GPIO model for AST1030

AST1030 integrates one set of Parallel GPIO Controller
with maximum 151 control pins, which are 21 groups
(A~U, exclude pin: M6 M7 Q5 Q6 Q7 R0 R1 R4 R5 R6 R7 S0 S3 S4
S5 S6 S7 ) and the group T and U are input only.

Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20220525053444.27228-3-jamin_lin@aspeedtech.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>

hw/arm/aspeed_ast10x0.c

@@ -136,6 +136,9 @@ static void aspeed_soc_ast1030_init(Object *obj)
         snprintf(typename, sizeof(typename), "aspeed.wdt-%s", socname);
         object_initialize_child(obj, "wdt[*]", &s->wdt[i], typename);
     }
+
+    snprintf(typename, sizeof(typename), "aspeed.gpio-%s", socname);
+    object_initialize_child(obj, "gpio", &s->gpio, typename);
 }
 
 static void aspeed_soc_ast1030_realize(DeviceState *dev_soc, Error **errp)
@@ -281,6 +284,14 @@ static void aspeed_soc_ast1030_realize(DeviceState *dev_soc, Error **errp)
         sysbus_mmio_map(SYS_BUS_DEVICE(&s->wdt[i]), 0,
                         sc->memmap[ASPEED_DEV_WDT] + i * awc->offset);
     }
+
+    /* GPIO */
+    if (!sysbus_realize(SYS_BUS_DEVICE(&s->gpio), errp)) {
+        return;
+    }
+    sysbus_mmio_map(SYS_BUS_DEVICE(&s->gpio), 0, sc->memmap[ASPEED_DEV_GPIO]);
+    sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpio), 0,
+                       aspeed_soc_get_irq(s, ASPEED_DEV_GPIO));
 }
 
 static void aspeed_soc_ast1030_class_init(ObjectClass *klass, void *data)

hw/gpio/aspeed_gpio.c

@@ -819,6 +819,15 @@ static GPIOSetProperties ast2600_1_8v_set_props[ASPEED_GPIO_MAX_NR_SETS] = {
     [1] = {0x0000000f,  0x0000000f,  {"18E"} },
 };
 
+static GPIOSetProperties ast1030_set_props[ASPEED_GPIO_MAX_NR_SETS] = {
+    [0] = {0xffffffff,  0xffffffff,  {"A", "B", "C", "D"} },
+    [1] = {0xffffffff,  0xffffffff,  {"E", "F", "G", "H"} },
+    [2] = {0xffffffff,  0xffffffff,  {"I", "J", "K", "L"} },
+    [3] = {0xffffff3f,  0xffffff3f,  {"M", "N", "O", "P"} },
+    [4] = {0xff060c1f,  0x00060c1f,  {"Q", "R", "S", "T"} },
+    [5] = {0x000000ff,  0x00000000,  {"U"} },
+};
+
 static const MemoryRegionOps aspeed_gpio_ops = {
     .read       = aspeed_gpio_read,
     .write      = aspeed_gpio_write,
@@ -971,6 +980,16 @@ static void aspeed_gpio_ast2600_1_8v_class_init(ObjectClass *klass, void *data)
     agc->reg_table = aspeed_1_8v_gpios;
 }
 
+static void aspeed_gpio_1030_class_init(ObjectClass *klass, void *data)
+{
+    AspeedGPIOClass *agc = ASPEED_GPIO_CLASS(klass);
+
+    agc->props = ast1030_set_props;
+    agc->nr_gpio_pins = 151;
+    agc->nr_gpio_sets = 6;
+    agc->reg_table = aspeed_3_3v_gpios;
+}
+
 static const TypeInfo aspeed_gpio_info = {
     .name           = TYPE_ASPEED_GPIO,
     .parent         = TYPE_SYS_BUS_DEVICE,
@@ -1008,6 +1027,13 @@ static const TypeInfo aspeed_gpio_ast2600_1_8v_info = {
     .instance_init  = aspeed_gpio_init,
 };
 
+static const TypeInfo aspeed_gpio_ast1030_info = {
+    .name           = TYPE_ASPEED_GPIO "-ast1030",
+    .parent         = TYPE_ASPEED_GPIO,
+    .class_init     = aspeed_gpio_1030_class_init,
+    .instance_init  = aspeed_gpio_init,
+};
+
 static void aspeed_gpio_register_types(void)
 {
     type_register_static(&aspeed_gpio_info);
@@ -1015,6 +1041,7 @@ static void aspeed_gpio_register_types(void)
     type_register_static(&aspeed_gpio_ast2500_info);
     type_register_static(&aspeed_gpio_ast2600_3_3v_info);
     type_register_static(&aspeed_gpio_ast2600_1_8v_info);
+    type_register_static(&aspeed_gpio_ast1030_info);
 }
 
 type_init(aspeed_gpio_register_types);