From 2bfae02d1df992d20f27abbb081eb0efbb1b58f5 Mon Sep 17 00:00:00 2001 From: Daniel Kurtz Date: Mon, 29 Jan 2018 15:23:39 +0530 Subject: 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 Reviewed-on: https://review.coreboot.org/23657 Tested-by: build bot (Jenkins) Reviewed-by: Duncan Laurie Reviewed-by: Justin TerAvest --- src/drivers/i2c/da7219/chip.h | 3 +++ src/drivers/i2c/da7219/da7219.c | 6 +++++- 2 files changed, 8 insertions(+), 1 deletion(-) (limited to 'src/drivers/i2c') 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 */ -- cgit v1.2.3