[PATCH 01/13] spi: add auxiliary device for intel dg spi

[Alexander Usyskin]

Add auxilary bus device structure for
Intel Discrete Graphics SPI device.

Signed-off-by: Alexander Usyskin <alexander.usyskin at intel.com>
---
 include/linux/intel_dg_spi_aux.h | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 include/linux/intel_dg_spi_aux.h

diff --git a/include/linux/intel_dg_spi_aux.h b/include/linux/intel_dg_spi_aux.h
new file mode 100644
index 000000000000..d4c3830d56d6
--- /dev/null
+++ b/include/linux/intel_dg_spi_aux.h
@@ -0,0 +1,27 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright(c) 2019-2024, Intel Corporation. All rights reserved.
+ */
+
+#ifndef __INTEL_DG_SPI_AUX_H__
+#define __INTEL_DG_SPI_AUX_H__
+
+#include <linux/auxiliary_bus.h>
+
+#define INTEL_DG_SPI_REGIONS 13
+
+struct intel_dg_spi_region {
+	const char *name;
+};
+
+struct intel_dg_spi_dev {
+	struct auxiliary_device aux_dev;
+	bool writeable_override;
+	struct resource bar;
+	const struct intel_dg_spi_region *regions;
+};
+
+#define auxiliary_dev_to_intel_dg_spi_dev(auxiliary_dev) \
+	container_of(auxiliary_dev, struct intel_dg_spi_dev, aux_dev)
+
+#endif /* __INTEL_DG_SPI_AUX_H__ */
-- 
2.34.1