[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/drivers/fmc/fmc-trivial.c b/src/kernel/linux/v4.14/drivers/fmc/fmc-trivial.c
new file mode 100644
index 0000000..8defdee
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/fmc/fmc-trivial.c
@@ -0,0 +1,103 @@
+/*
+ * Copyright (C) 2012 CERN (www.cern.ch)
+ * Author: Alessandro Rubini <rubini@gnudd.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * The software is provided "as is"; the copyright holders disclaim
+ * all warranties and liabilities, to the extent permitted by
+ * applicable law.
+ */
+
+/* A trivial fmc driver that can load a gateware file and reports interrupts */
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/gpio.h>
+#include <linux/fmc.h>
+
+static struct fmc_driver t_drv; /* initialized later */
+
+static irqreturn_t t_handler(int irq, void *dev_id)
+{
+ struct fmc_device *fmc = dev_id;
+
+ fmc_irq_ack(fmc);
+ dev_info(&fmc->dev, "received irq %i\n", irq);
+ return IRQ_HANDLED;
+}
+
+static struct fmc_gpio t_gpio[] = {
+ {
+ .gpio = FMC_GPIO_IRQ(0),
+ .mode = GPIOF_DIR_IN,
+ .irqmode = IRQF_TRIGGER_RISING,
+ }, {
+ .gpio = FMC_GPIO_IRQ(1),
+ .mode = GPIOF_DIR_IN,
+ .irqmode = IRQF_TRIGGER_RISING,
+ }
+};
+
+static int t_probe(struct fmc_device *fmc)
+{
+ int ret;
+ int index = 0;
+
+ index = fmc_validate(fmc, &t_drv);
+ if (index < 0)
+ return -EINVAL; /* not our device: invalid */
+
+ ret = fmc_irq_request(fmc, t_handler, "fmc-trivial", IRQF_SHARED);
+ if (ret < 0)
+ return ret;
+ /* ignore error code of call below, we really don't care */
+ fmc_gpio_config(fmc, t_gpio, ARRAY_SIZE(t_gpio));
+
+ ret = fmc_reprogram(fmc, &t_drv, "", 0);
+ if (ret == -EPERM) /* programming not supported */
+ ret = 0;
+ if (ret < 0)
+ fmc_irq_free(fmc);
+
+ /* FIXME: reprogram LM32 too */
+ return ret;
+}
+
+static int t_remove(struct fmc_device *fmc)
+{
+ fmc_irq_free(fmc);
+ return 0;
+}
+
+static struct fmc_driver t_drv = {
+ .version = FMC_VERSION,
+ .driver.name = KBUILD_MODNAME,
+ .probe = t_probe,
+ .remove = t_remove,
+ /* no table, as the current match just matches everything */
+};
+
+ /* We accept the generic parameters */
+FMC_PARAM_BUSID(t_drv);
+FMC_PARAM_GATEWARE(t_drv);
+
+static int t_init(void)
+{
+ int ret;
+
+ ret = fmc_driver_register(&t_drv);
+ return ret;
+}
+
+static void t_exit(void)
+{
+ fmc_driver_unregister(&t_drv);
+}
+
+module_init(t_init);
+module_exit(t_exit);
+
+MODULE_LICENSE("Dual BSD/GPL");