1 files changed, 84 insertions, 0 deletions
diff --git a/include/linux/platform_data/serial-sccnxp.h b/include/linux/platform_data/serial-sccnxp.h
new file mode 100644
index 000000000..dc670f24e
--- /dev/null
+++ b/include/linux/platform_data/serial-sccnxp.h
@@ -0,0 +1,84 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ *  NXP (Philips) SCC+++(SCN+++) serial driver
+ *
+ *  Copyright (C) 2012 Alexander Shiyan <shc_work@mail.ru>
+ *
+ *  Based on sc26xx.c, by Thomas Bogendörfer (tsbogend@alpha.franken.de)
+ */
+
+#ifndef _PLATFORM_DATA_SERIAL_SCCNXP_H_
+#define _PLATFORM_DATA_SERIAL_SCCNXP_H_
+
+#define SCCNXP_MAX_UARTS	2
+
+/* Output lines */
+#define LINE_OP0		1
+#define LINE_OP1		2
+#define LINE_OP2		3
+#define LINE_OP3		4
+#define LINE_OP4		5
+#define LINE_OP5		6
+#define LINE_OP6		7
+#define LINE_OP7		8
+
+/* Input lines */
+#define LINE_IP0		9
+#define LINE_IP1		10
+#define LINE_IP2		11
+#define LINE_IP3		12
+#define LINE_IP4		13
+#define LINE_IP5		14
+#define LINE_IP6		15
+
+/* Signals */
+#define DTR_OP			0	/* DTR */
+#define RTS_OP			4	/* RTS */
+#define DSR_IP			8	/* DSR */
+#define CTS_IP			12	/* CTS */
+#define DCD_IP			16	/* DCD */
+#define RNG_IP			20	/* RNG */
+
+#define DIR_OP			24	/* Special signal for control RS-485.
+					 * Goes high when transmit,
+					 * then goes low.
+					 */
+
+/* Routing control signal 'sig' to line 'line' */
+#define MCTRL_SIG(sig, line)	((line) << (sig))
+
+/*
+ * Example board initialization data:
+ *
+ * static struct resource sc2892_resources[] = {
+ *	DEFINE_RES_MEM(UART_PHYS_START, 0x10),
+ *	DEFINE_RES_IRQ(IRQ_EXT2),
+ * };
+ *
+ * static struct sccnxp_pdata sc2892_info = {
+ *	.mctrl_cfg[0]	= MCTRL_SIG(DIR_OP, LINE_OP0),
+ *	.mctrl_cfg[1]	= MCTRL_SIG(DIR_OP, LINE_OP1),
+ * };
+ *
+ * static struct platform_device sc2892 = {
+ *	.name		= "sc2892",
+ *	.id		= -1,
+ *	.resource	= sc2892_resources,
+ *	.num_resources	= ARRAY_SIZE(sc2892_resources),
+ *	.dev = {
+ *		.platform_data	= &sc2892_info,
+ *	},
+ * };
+ */
+
+/* SCCNXP platform data structure */
+struct sccnxp_pdata {
+	/* Shift for A0 line */
+	const u8		reg_shift;
+	/* Modem control lines configuration */
+	const u32		mctrl_cfg[SCCNXP_MAX_UARTS];
+	/* Timer value for polling mode (usecs) */
+	const unsigned int	poll_time_us;
+};
+
+#endif