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-rw-r--r--include/linux/platform_data/sccnxp.h93
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diff --git a/include/linux/platform_data/sccnxp.h b/include/linux/platform_data/sccnxp.h
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+++ b/include/linux/platform_data/sccnxp.h
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+/*
+ * 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)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef __SCCNXP_H
+#define __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 = {
+ * .frequency = 3686400,
+ * .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 {
+ /* Frequency (extrenal clock or crystal) */
+ int frequency;
+ /* Shift for A0 line */
+ const u8 reg_shift;
+ /* Modem control lines configuration */
+ const u32 mctrl_cfg[SCCNXP_MAX_UARTS];
+ /* Called during startup */
+ void (*init)(void);
+ /* Called before finish */
+ void (*exit)(void);
+};
+
+#endif
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