acpi: Support generation of I2C descriptor
Add a function to write a GPIO descriptor to the generated ACPI code.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/drivers/rtc/sandbox_rtc.c b/drivers/rtc/sandbox_rtc.c
index 77065e4..852770a 100644
--- a/drivers/rtc/sandbox_rtc.c
+++ b/drivers/rtc/sandbox_rtc.c
@@ -9,6 +9,7 @@
#include <i2c.h>
#include <rtc.h>
#include <asm/rtc.h>
+#include <dm/acpi.h>
#define REG_COUNT 0x80
@@ -67,6 +68,17 @@
return dm_i2c_reg_write(dev, reg, val);
}
+#if CONFIG_IS_ENABLED(ACPIGEN)
+static int sandbox_rtc_get_name(const struct udevice *dev, char *out_name)
+{
+ return acpi_copy_name(out_name, "RTCC");
+}
+
+struct acpi_ops sandbox_rtc_acpi_ops = {
+ .get_name = sandbox_rtc_get_name,
+};
+#endif
+
static const struct rtc_ops sandbox_rtc_ops = {
.get = sandbox_rtc_get,
.set = sandbox_rtc_set,
@@ -85,4 +97,5 @@
.id = UCLASS_RTC,
.of_match = sandbox_rtc_ids,
.ops = &sandbox_rtc_ops,
+ ACPI_OPS_PTR(&sandbox_rtc_acpi_ops)
};