acpi: Support generation of SPI descriptor
Add a function to write a SPI 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/spi/sandbox_spi.c b/drivers/spi/sandbox_spi.c
index 570ae28..77797bf 100644
--- a/drivers/spi/sandbox_spi.c
+++ b/drivers/spi/sandbox_spi.c
@@ -21,6 +21,7 @@
#include <linux/errno.h>
#include <asm/spi.h>
#include <asm/state.h>
+#include <dm/acpi.h>
#include <dm/device-internal.h>
#ifndef CONFIG_SPI_IDLE_VAL
@@ -133,6 +134,15 @@
return 0;
}
+static int sandbox_spi_get_name(const struct udevice *dev, char *out_name)
+{
+ return acpi_copy_name(out_name, "SSPI");
+}
+
+struct acpi_ops sandbox_spi_acpi_ops = {
+ .get_name = sandbox_spi_get_name,
+};
+
static const struct dm_spi_ops sandbox_spi_ops = {
.xfer = sandbox_spi_xfer,
.set_speed = sandbox_spi_set_speed,
@@ -151,4 +161,5 @@
.id = UCLASS_SPI,
.of_match = sandbox_spi_ids,
.ops = &sandbox_spi_ops,
+ ACPI_OPS_PTR(&sandbox_spi_acpi_ops)
};