Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / include / linux / platform_data / serial-sccnxp.h

diff --git a/kernel/include/linux/platform_data/serial-sccnxp.h b/kernel/include/linux/platform_data/serial-sccnxp.h
new file mode 100644 (file)
index 0000000..af0c8c3
--- /dev/null
+++ b/kernel/include/linux/platform_data/serial-sccnxp.h
@@ -0,0 +1,88 @@
+/*
+ *  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 _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