On 10/11/25 12:22, Gaurav Sharma wrote:
Enabled GPIO controller emulation
Also updated the GPIO IRQ lines of iMX8MM
Signed-off-by: Gaurav Sharma <[email protected]>
---
docs/system/arm/imx8mm-evk.rst | 1 +
hw/arm/fsl-imx8mm.c | 54 ++++++++++++++++++++++++++++++++++
include/hw/arm/fsl-imx8mm.h | 14 +++++++++
3 files changed, 69 insertions(+)
diff --git a/hw/arm/fsl-imx8mm.c b/hw/arm/fsl-imx8mm.c
index ea5799b2cc..222d3bac1c 100644
--- a/hw/arm/fsl-imx8mm.c
+++ b/hw/arm/fsl-imx8mm.c
@@ -177,6 +177,11 @@ static void fsl_imx8mm_init(Object *obj)
object_initialize_child(obj, name, &s->uart[i], TYPE_IMX_SERIAL);
}
+ for (i = 0; i < FSL_IMX8MM_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_IMX8MM_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);
@@ -350,6 +355,54 @@ static void fsl_imx8mm_realize(DeviceState *dev, Error
**errp)
qdev_get_gpio_in(gicdev, serial_table[i].irq));
}
+ /* GPIOs */
+ for (i = 0; i < FSL_IMX8MM_NUM_GPIOS; i++) {
static const?
+ struct {
+ hwaddr addr;
+ unsigned int irq_low;
+ unsigned int irq_high;
+ } gpio_table[FSL_IMX8MM_NUM_GPIOS] = {
+ {
+ fsl_imx8mm_memmap[FSL_IMX8MM_GPIO1].addr,
+ FSL_IMX8MM_GPIO1_LOW_IRQ,
+ FSL_IMX8MM_GPIO1_HIGH_IRQ
+ },
+ {
+ fsl_imx8mm_memmap[FSL_IMX8MM_GPIO2].addr,
+ FSL_IMX8MM_GPIO2_LOW_IRQ,
+ FSL_IMX8MM_GPIO2_HIGH_IRQ
+ },
+ {
+ fsl_imx8mm_memmap[FSL_IMX8MM_GPIO3].addr,
+ FSL_IMX8MM_GPIO3_LOW_IRQ,
+ FSL_IMX8MM_GPIO3_HIGH_IRQ
+ },
+ {
+ fsl_imx8mm_memmap[FSL_IMX8MM_GPIO4].addr,
+ FSL_IMX8MM_GPIO4_LOW_IRQ,
+ FSL_IMX8MM_GPIO4_HIGH_IRQ
+ },
+ {
+ fsl_imx8mm_memmap[FSL_IMX8MM_GPIO5].addr,
+ FSL_IMX8MM_GPIO5_LOW_IRQ,
+ FSL_IMX8MM_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));
+ }
Reviewed-by: Philippe Mathieu-Daudé <[email protected]>
