hw/arm/fsl-imx8mp: Add GPIO controllers

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Message-id: 20250223114708.1780-10-shentey@gmail.com
[PMM: drop static const from gpio_table for GCC 7.5]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 55 insertions, 0 deletions

diff --git a/hw/arm/fsl-imx8mp.c b/hw/arm/fsl-imx8mp.c
index 1ee681ac1d..541e4ab5b6 100644
--- a/hw/arm/fsl-imx8mp.c
+++ b/hw/arm/fsl-imx8mp.c
@@ -208,6 +208,11 @@ static void fsl_imx8mp_init(Object *obj)
         object_initialize_child(obj, name, &s->uart[i], TYPE_IMX_SERIAL);
     }
 
+    for (i = 0; i < FSL_IMX8MP_NUM_GPIOS; i++) {
+        g_autofree char *name = g_strdup_printf("gpio%d", i + 1);
+        object_initialize_child(obj, name, &s->gpio[i], TYPE_IMX_GPIO);
+    }
+
     for (i = 0; i < FSL_IMX8MP_NUM_USDHCS; i++) {
         g_autofree char *name = g_strdup_printf("usdhc%d", i + 1);
         object_initialize_child(obj, name, &s->usdhc[i], TYPE_IMX_USDHC);
@@ -355,6 +360,55 @@ static void fsl_imx8mp_realize(DeviceState *dev, Error **errp)
                            qdev_get_gpio_in(gicdev, serial_table[i].irq));
     }
 
+    /* GPIOs */
+    for (i = 0; i < FSL_IMX8MP_NUM_GPIOS; i++) {
+        struct {
+            hwaddr addr;
+            unsigned int irq_low;
+            unsigned int irq_high;
+        } gpio_table[FSL_IMX8MP_NUM_GPIOS] = {
+            {
+                fsl_imx8mp_memmap[FSL_IMX8MP_GPIO1].addr,
+                FSL_IMX8MP_GPIO1_LOW_IRQ,
+                FSL_IMX8MP_GPIO1_HIGH_IRQ
+            },
+            {
+                fsl_imx8mp_memmap[FSL_IMX8MP_GPIO2].addr,
+                FSL_IMX8MP_GPIO2_LOW_IRQ,
+                FSL_IMX8MP_GPIO2_HIGH_IRQ
+            },
+            {
+                fsl_imx8mp_memmap[FSL_IMX8MP_GPIO3].addr,
+                FSL_IMX8MP_GPIO3_LOW_IRQ,
+                FSL_IMX8MP_GPIO3_HIGH_IRQ
+            },
+            {
+                fsl_imx8mp_memmap[FSL_IMX8MP_GPIO4].addr,
+                FSL_IMX8MP_GPIO4_LOW_IRQ,
+                FSL_IMX8MP_GPIO4_HIGH_IRQ
+            },
+            {
+                fsl_imx8mp_memmap[FSL_IMX8MP_GPIO5].addr,
+                FSL_IMX8MP_GPIO5_LOW_IRQ,
+                FSL_IMX8MP_GPIO5_HIGH_IRQ
+            },
+        };
+
+        object_property_set_bool(OBJECT(&s->gpio[i]), "has-edge-sel", true,
+                                 &error_abort);
+        object_property_set_bool(OBJECT(&s->gpio[i]), "has-upper-pin-irq",
+                                 true, &error_abort);
+        if (!sysbus_realize(SYS_BUS_DEVICE(&s->gpio[i]), errp)) {
+            return;
+        }
+
+        sysbus_mmio_map(SYS_BUS_DEVICE(&s->gpio[i]), 0, gpio_table[i].addr);
+        sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpio[i]), 0,
+                           qdev_get_gpio_in(gicdev, gpio_table[i].irq_low));
+        sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpio[i]), 1,
+                           qdev_get_gpio_in(gicdev, gpio_table[i].irq_high));
+    }
+
     /* USDHCs */
     for (i = 0; i < FSL_IMX8MP_NUM_USDHCS; i++) {
         struct {
@@ -415,6 +469,7 @@ static void fsl_imx8mp_realize(DeviceState *dev, Error **errp)
         case FSL_IMX8MP_CCM:
         case FSL_IMX8MP_GIC_DIST:
         case FSL_IMX8MP_GIC_REDIST:
+        case FSL_IMX8MP_GPIO1 ... FSL_IMX8MP_GPIO5:
         case FSL_IMX8MP_PCIE1:
         case FSL_IMX8MP_PCIE_PHY1:
         case FSL_IMX8MP_RAM: