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drivers/spi/acpi: Add generic property list

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The touchscreen vendor (Goodix) needs to use this value
(hid-report-addr) in the touch driver, and this value
needs to be changed later.So add generic property list to allow populating vendor specific device properties to ACPI SSDT table.

BUG=b:342932183
BRANCH=None
TEST=emerge-brox coreboot

Change-Id: I8b18e0a2925e6fd36e3a470bde9910661b7558b8
Signed-off-by: Kun Liu <liukun11@huaqin.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/83139
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Kun Liu 2024-06-20 13:35:42 +08:00 committed by Felix Held
parent 06575901cf
commit c693e92c74
2 changed files with 9 additions and 1 deletions
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5
src/drivers/spi/acpi/acpi.c
View File

@ -131,7 +131,7 @@ static void spi_acpi_fill_ssdt_generator(const struct device *dev)
/* Write device properties if needed */
if (config->compat_string || irq_gpio_index >= 0 ||
reset_gpio_index >= 0 || enable_gpio_index >= 0) {
reset_gpio_index >= 0 || enable_gpio_index >= 0 || config->property_count) {
struct acpi_dp *dsd = acpi_dp_new_table("_DSD");
if (config->compat_string)
acpi_dp_add_string(dsd, "compatible",
@ -148,6 +148,9 @@ static void spi_acpi_fill_ssdt_generator(const struct device *dev)
acpi_dp_add_gpio(dsd, "enable-gpios", path,
enable_gpio_index, 0,
config->enable_gpio.active_low);
/* Add generic property list */
acpi_dp_add_property_list(dsd, config->property_list,
config->property_count);
acpi_dp_write(dsd);
}

5
src/drivers/spi/acpi/chip.h
View File

@ -5,6 +5,8 @@
#include <acpi/acpi_device.h>
#define MAX_GENERIC_PROPERTY_LIST 10
struct drivers_spi_acpi_config {
const char *hid; /* ACPI _HID (required) */
const char *cid; /* ACPI _CID */
@ -42,6 +44,9 @@ struct drivers_spi_acpi_config {
unsigned int stop_delay_ms;
/* Delay to be inserted after enabling stop. */
unsigned int stop_off_delay_ms;
/* Generic properties for exporting device-specific data to the OS */
struct acpi_dp property_list[MAX_GENERIC_PROPERTY_LIST];
unsigned int property_count;
};
#endif /* __SPI_ACPI_CHIP_H__ */