3 files changed, 93 insertions, 0 deletions
diff --git a/include/linux/can/platform/cc770.h b/include/linux/can/platform/cc770.h
new file mode 100644
index 000000000..9587d6882
--- /dev/null
+++ b/include/linux/can/platform/cc770.h
@@ -0,0 +1,34 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _CAN_PLATFORM_CC770_H
+#define _CAN_PLATFORM_CC770_H
+
+/* CPU Interface Register (0x02) */
+#define CPUIF_CEN	0x01	/* Clock Out Enable */
+#define CPUIF_MUX	0x04	/* Multiplex */
+#define CPUIF_SLP	0x08	/* Sleep */
+#define CPUIF_PWD	0x10	/* Power Down Mode */
+#define CPUIF_DMC	0x20	/* Divide Memory Clock */
+#define CPUIF_DSC	0x40	/* Divide System Clock */
+#define CPUIF_RST	0x80	/* Hardware Reset Status */
+
+/* Clock Out Register (0x1f) */
+#define CLKOUT_CD_MASK  0x0f	/* Clock Divider mask */
+#define CLKOUT_SL_MASK	0x30	/* Slew Rate mask */
+#define CLKOUT_SL_SHIFT	4
+
+/* Bus Configuration Register (0x2f) */
+#define BUSCFG_DR0	0x01	/* Disconnect RX0 Input / Select RX input */
+#define BUSCFG_DR1	0x02	/* Disconnect RX1 Input / Silent mode */
+#define BUSCFG_DT1	0x08	/* Disconnect TX1 Output */
+#define BUSCFG_POL	0x20	/* Polarity dominant or recessive */
+#define BUSCFG_CBY	0x40	/* Input Comparator Bypass */
+
+struct cc770_platform_data {
+	u32 osc_freq;	/* CAN bus oscillator frequency in Hz */
+
+	u8 cir;		/* CPU Interface Register */
+	u8 cor;		/* Clock Out Register */
+	u8 bcr;		/* Bus Configuration Register */
+};
+
+#endif	/* !_CAN_PLATFORM_CC770_H */
diff --git a/include/linux/can/platform/flexcan.h b/include/linux/can/platform/flexcan.h
new file mode 100644
index 000000000..1b536fb99
--- /dev/null
+++ b/include/linux/can/platform/flexcan.h
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2021  Angelo Dureghello <angelo@kernel-space.org>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _CAN_PLATFORM_FLEXCAN_H
+#define _CAN_PLATFORM_FLEXCAN_H
+
+struct flexcan_platform_data {
+	u32 clock_frequency;
+	u8 clk_src;
+};
+
+#endif /* _CAN_PLATFORM_FLEXCAN_H */
diff --git a/include/linux/can/platform/sja1000.h b/include/linux/can/platform/sja1000.h
new file mode 100644
index 000000000..6a869682c
--- /dev/null
+++ b/include/linux/can/platform/sja1000.h
@@ -0,0 +1,36 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _CAN_PLATFORM_SJA1000_H
+#define _CAN_PLATFORM_SJA1000_H
+
+/* clock divider register */
+#define CDR_CLKOUT_MASK 0x07
+#define CDR_CLK_OFF	0x08 /* Clock off (CLKOUT pin) */
+#define CDR_RXINPEN	0x20 /* TX1 output is RX irq output */
+#define CDR_CBP		0x40 /* CAN input comparator bypass */
+#define CDR_PELICAN	0x80 /* PeliCAN mode */
+
+/* output control register */
+#define OCR_MODE_BIPHASE  0x00
+#define OCR_MODE_TEST     0x01
+#define OCR_MODE_NORMAL   0x02
+#define OCR_MODE_CLOCK    0x03
+#define OCR_MODE_MASK     0x03
+#define OCR_TX0_INVERT    0x04
+#define OCR_TX0_PULLDOWN  0x08
+#define OCR_TX0_PULLUP    0x10
+#define OCR_TX0_PUSHPULL  0x18
+#define OCR_TX1_INVERT    0x20
+#define OCR_TX1_PULLDOWN  0x40
+#define OCR_TX1_PULLUP    0x80
+#define OCR_TX1_PUSHPULL  0xc0
+#define OCR_TX_MASK       0xfc
+#define OCR_TX_SHIFT      2
+
+struct sja1000_platform_data {
+	u32 osc_freq;	/* CAN bus oscillator frequency in Hz */
+
+	u8 ocr;		/* output control register */
+	u8 cdr;		/* clock divider register */
+};
+
+#endif	/* !_CAN_PLATFORM_SJA1000_H */