diff options
| author | Daniel Kurtz <djkurtz@chromium.org> | 2018-01-29 15:23:39 +0530 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2018-02-10 23:53:16 +0000 |
| commit | 2bfae02d1df992d20f27abbb081eb0efbb1b58f5 (patch) | |
| tree | 63e27a0a2c9a26dd21e7fd00b9a3bd2f1928f21d /src/drivers/i2c | |
| parent | 681bf41087ae1c2f496b987be283e7df77cc4590 (diff) | |
drivers/i2c/da7219: Allow GPIO based interrupt
Allow specifying the DA7219 interrupt pin as either an Interrupt or
GpioInt.
BUG=b:72121803
TEST=(with whole patch series) Grunt Kernel discovers DA7219 on i2c0
Change-Id: I2d26731bf4c0ad590dad2c5d26c252371f415f9a
Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>
Reviewed-on: https://review.coreboot.org/23657
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-by: Justin TerAvest <teravest@chromium.org>
Diffstat (limited to 'src/drivers/i2c')
| -rw-r--r-- | src/drivers/i2c/da7219/chip.h | 3 | ||||
| -rw-r--r-- | src/drivers/i2c/da7219/da7219.c | 6 |
2 files changed, 8 insertions, 1 deletions
diff --git a/src/drivers/i2c/da7219/chip.h b/src/drivers/i2c/da7219/chip.h index 823b940e67..572d7279a5 100644 --- a/src/drivers/i2c/da7219/chip.h +++ b/src/drivers/i2c/da7219/chip.h @@ -8,6 +8,9 @@ struct drivers_i2c_da7219_config { /* Interrupt configuration */ struct acpi_irq irq; + /* Use GPIO based interrupt instead of PIRQ */ + struct acpi_gpio irq_gpio; + /* I2C Bus Frequency in Hertz (default 400kHz) */ unsigned bus_speed; diff --git a/src/drivers/i2c/da7219/da7219.c b/src/drivers/i2c/da7219/da7219.c index 4eef00cf9f..c0f152d237 100644 --- a/src/drivers/i2c/da7219/da7219.c +++ b/src/drivers/i2c/da7219/da7219.c @@ -57,7 +57,11 @@ static void da7219_fill_ssdt(struct device *dev) acpigen_write_name("_CRS"); acpigen_write_resourcetemplate_header(); acpi_device_write_i2c(&i2c); - acpi_device_write_interrupt(&config->irq); + /* Use either Interrupt() or GpioInt() */ + if (config->irq_gpio.pin_count) + acpi_device_write_gpio(&config->irq_gpio); + else + acpi_device_write_interrupt(&config->irq); acpigen_write_resourcetemplate_footer(); /* AAD Child Device Properties */ |