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| author | Bernhard Beschow <shentey@gmail.com> | 2025-02-23 12:47:00 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2025-02-25 17:02:59 +0000 |
| commit | 764f18afb2b749a9dcfd37bac5709e7a7bcd2589 (patch) | |
| tree | cb45c10d4697b0c573b8ce14dfc50467ca853205 /hw | |
| parent | a17c1d932ec6ae1a3364eaf34c0660f01f806267 (diff) | |
| download | qemu-764f18afb2b749a9dcfd37bac5709e7a7bcd2589.zip qemu-764f18afb2b749a9dcfd37bac5709e7a7bcd2589.tar.gz qemu-764f18afb2b749a9dcfd37bac5709e7a7bcd2589.tar.bz2 | |
hw/arm/fsl-imx8mp: Add I2C controllers
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Message-id: 20250223114708.1780-11-shentey@gmail.com
[PMM: drop static const from i2c_table for GCC 7.5]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/arm/Kconfig | 2 | ||||
| -rw-r--r-- | hw/arm/fsl-imx8mp.c | 29 |
2 files changed, 31 insertions, 0 deletions
diff --git a/hw/arm/Kconfig b/hw/arm/Kconfig index be5a2c0..28ae409 100644 --- a/hw/arm/Kconfig +++ b/hw/arm/Kconfig @@ -595,11 +595,13 @@ config FSL_IMX7 config FSL_IMX8MP bool + imply I2C_DEVICES imply PCI_DEVICES select ARM_GIC select FSL_IMX8MP_ANALOG select FSL_IMX8MP_CCM select IMX + select IMX_I2C select PCI_EXPRESS_DESIGNWARE select PCI_EXPRESS_FSL_IMX8M_PHY select SDHCI diff --git a/hw/arm/fsl-imx8mp.c b/hw/arm/fsl-imx8mp.c index 541e4ab..750dbf9 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_I2CS; i++) { + g_autofree char *name = g_strdup_printf("i2c%d", i + 1); + object_initialize_child(obj, name, &s->i2c[i], TYPE_IMX_I2C); + } + 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); @@ -360,6 +365,29 @@ static void fsl_imx8mp_realize(DeviceState *dev, Error **errp) qdev_get_gpio_in(gicdev, serial_table[i].irq)); } + /* I2Cs */ + for (i = 0; i < FSL_IMX8MP_NUM_I2CS; i++) { + struct { + hwaddr addr; + unsigned int irq; + } i2c_table[FSL_IMX8MP_NUM_I2CS] = { + { fsl_imx8mp_memmap[FSL_IMX8MP_I2C1].addr, FSL_IMX8MP_I2C1_IRQ }, + { fsl_imx8mp_memmap[FSL_IMX8MP_I2C2].addr, FSL_IMX8MP_I2C2_IRQ }, + { fsl_imx8mp_memmap[FSL_IMX8MP_I2C3].addr, FSL_IMX8MP_I2C3_IRQ }, + { fsl_imx8mp_memmap[FSL_IMX8MP_I2C4].addr, FSL_IMX8MP_I2C4_IRQ }, + { fsl_imx8mp_memmap[FSL_IMX8MP_I2C5].addr, FSL_IMX8MP_I2C5_IRQ }, + { fsl_imx8mp_memmap[FSL_IMX8MP_I2C6].addr, FSL_IMX8MP_I2C6_IRQ }, + }; + + if (!sysbus_realize(SYS_BUS_DEVICE(&s->i2c[i]), errp)) { + return; + } + + sysbus_mmio_map(SYS_BUS_DEVICE(&s->i2c[i]), 0, i2c_table[i].addr); + sysbus_connect_irq(SYS_BUS_DEVICE(&s->i2c[i]), 0, + qdev_get_gpio_in(gicdev, i2c_table[i].irq)); + } + /* GPIOs */ for (i = 0; i < FSL_IMX8MP_NUM_GPIOS; i++) { struct { @@ -470,6 +498,7 @@ static void fsl_imx8mp_realize(DeviceState *dev, Error **errp) case FSL_IMX8MP_GIC_DIST: case FSL_IMX8MP_GIC_REDIST: case FSL_IMX8MP_GPIO1 ... FSL_IMX8MP_GPIO5: + case FSL_IMX8MP_I2C1 ... FSL_IMX8MP_I2C6: case FSL_IMX8MP_PCIE1: case FSL_IMX8MP_PCIE_PHY1: case FSL_IMX8MP_RAM: |