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mfd: dln2: Allow to be enumerated via ACPI

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On some platforms user may want to enumerate DLN2 device, its children,
to be enumerated via ACPI. In order to achieve this, let's distinguish
children by _ADR value.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Andy Shevchenko 2020-03-23 22:02:37 +02:00 committed by Lee Jones
parent b1cc5409f0
commit e3fadb35bc
1 changed files with 21 additions and 0 deletions
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21
drivers/mfd/dln2.c
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@ -645,35 +645,56 @@ static int dln2_start_rx_urbs(struct dln2_dev *dln2, gfp_t gfp)
return 0;
}
enum {
DLN2_ACPI_MATCH_GPIO = 0,
DLN2_ACPI_MATCH_I2C = 1,
DLN2_ACPI_MATCH_SPI = 2,
};
static struct dln2_platform_data dln2_pdata_gpio = {
.handle = DLN2_HANDLE_GPIO,
};
static struct mfd_cell_acpi_match dln2_acpi_match_gpio = {
.adr = DLN2_ACPI_MATCH_GPIO,
};
/* Only one I2C port seems to be supported on current hardware */
static struct dln2_platform_data dln2_pdata_i2c = {
.handle = DLN2_HANDLE_I2C,
.port = 0,
};
static struct mfd_cell_acpi_match dln2_acpi_match_i2c = {
.adr = DLN2_ACPI_MATCH_I2C,
};
/* Only one SPI port supported */
static struct dln2_platform_data dln2_pdata_spi = {
.handle = DLN2_HANDLE_SPI,
.port = 0,
};
static struct mfd_cell_acpi_match dln2_acpi_match_spi = {
.adr = DLN2_ACPI_MATCH_SPI,
};
static const struct mfd_cell dln2_devs[] = {
{
.name = "dln2-gpio",
.acpi_match = &dln2_acpi_match_gpio,
.platform_data = &dln2_pdata_gpio,
.pdata_size = sizeof(struct dln2_platform_data),
},
{
.name = "dln2-i2c",
.acpi_match = &dln2_acpi_match_i2c,
.platform_data = &dln2_pdata_i2c,
.pdata_size = sizeof(struct dln2_platform_data),
},
{
.name = "dln2-spi",
.acpi_match = &dln2_acpi_match_spi,
.platform_data = &dln2_pdata_spi,
.pdata_size = sizeof(struct dln2_platform_data),
},