[coreboot-gerrit] Change in coreboot[master]: drivers/i2c/da7219: Allow GPIO based interrupt
Daniel Kurtz (Code Review)
gerrit at coreboot.org
Thu Feb 8 20:10:03 CET 2018
Hello Daniel Kurtz,
I'd like you to do a code review. Please visit
https://review.coreboot.org/23657
to review the following change.
Change subject: drivers/i2c/da7219: Allow GPIO based interrupt
......................................................................
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 at chromium.org>
---
M src/drivers/i2c/da7219/chip.h
M src/drivers/i2c/da7219/da7219.c
2 files changed, 8 insertions(+), 1 deletion(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/57/23657/1
diff --git a/src/drivers/i2c/da7219/chip.h b/src/drivers/i2c/da7219/chip.h
index 823b940..572d727 100644
--- a/src/drivers/i2c/da7219/chip.h
+++ b/src/drivers/i2c/da7219/chip.h
@@ -8,6 +8,9 @@
/* 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 4eef00c..c0f152d 100644
--- a/src/drivers/i2c/da7219/da7219.c
+++ b/src/drivers/i2c/da7219/da7219.c
@@ -57,7 +57,11 @@
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 */
--
To view, visit https://review.coreboot.org/23657
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Gerrit-Project: coreboot
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: I2d26731bf4c0ad590dad2c5d26c252371f415f9a
Gerrit-Change-Number: 23657
Gerrit-PatchSet: 1
Gerrit-Owner: Daniel Kurtz <djkurtz at google.com>
Gerrit-Reviewer: Akshu Agrawal <akshu.agrawal at amd.com>
Gerrit-Reviewer: Daniel Kurtz <djkurtz at chromium.org>
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