1 files changed, 51 insertions, 0 deletions
diff --git a/board/gateworks/fsa.h b/board/gateworks/fsa.h
new file mode 100644
index 00000000000..ddb64499d78
--- /dev/null
+++ b/board/gateworks/fsa.h
@@ -0,0 +1,51 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright 2025 Gateworks Corporation
+ */
+
+#ifndef _FSA_H_
+#define _FSA_H_
+
+#define FSA_MAX	5
+
+enum fsa_gpio_cfg {
+	FSA_GPIO_NC,
+	FSA_GPIO_UNCONFIGURED,
+	FSA_GPIO_INPUT,
+	FSA_GPIO_OUTPUT_LOW,
+	FSA_GPIO_OUTPUT_HIGH,
+};
+
+struct fsa_gpio_desc {
+	u8 offset;
+	u8 config;
+	u8 source;
+	char name[13];
+};
+
+struct fsa_board_info {
+	char model[16];			/* 0x00: model string */
+	u8 mac[6];			/* 0x10: MAC base */
+	u8 macno;			/* 0x16: number of mac addrs */
+	u8 resv1;			/* 0x17: reserved */
+	u32 serial;			/* 0x18: Serial Number */
+	u8 mfgdate[4];			/* 0x1c: MFG date */
+	u8 sockgpios;			/* 0x20: number of socket gpio descriptors */
+	u8 ioexpgpios;			/* 0x21: number of io expander gpio descriptors */
+	u8 resv2[220];			/* 0x22: reserved */
+	u8 chksum[2];			/* 0xfe: */
+};
+
+struct fsa_user_info {
+	char desc[32];			/* 0x000: user description */
+	char overlay[16];		/* 0x020: dt-overlay suffice */
+	struct fsa_gpio_desc gpios[20];	/* 0x030: gpio descriptors */
+	u8 reserved[398];		/* 0x170: reserved */
+	u8 chksum[2];			/* 0x2fe: */
+};
+
+int fsa_init(void);
+int fsa_show(void);
+int fsa_ft_fixup(void *fdt);
+
+#endif // _FSA_H_